flash_v2: packages/hal/common/current/src/hal

annotate packages/hal/common/current/src/hal_stub.c @ 136:a9ac27ec7abc ecos-sw-2000-11-17

Merge from eCos master repository on 2000-11-17-18:24:25-GMT

author	jlarmour
date	Fri, 17 Nov 2000 23:16:43 +0000
parents	eb9fd8c04db3
children	289bf90c6a9b

rev	line source
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	2 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	3 // hal_stub.c
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	4 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	5 // Helper functions for stub, specific to eCos HAL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	6 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	7 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	8 //####COPYRIGHTBEGIN####
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	9 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	10 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	11 // The contents of this file are subject to the Red Hat eCos Public License
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	12 // Version 1.1 (the "License"); you may not use this file except in
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	13 // compliance with the License. You may obtain a copy of the License at
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	14 // http://www.redhat.com/
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	15 //
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	16 // Software distributed under the License is distributed on an "AS IS"
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	18 // License for the specific language governing rights and limitations under
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	19 // the License.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	20 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	21 // The Original Code is eCos - Embedded Configurable Operating System,
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	22 // released September 30, 1998.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	23 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	24 // The Initial Developer of the Original Code is Red Hat.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	25 // Portions created by Red Hat are
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	27 // All Rights Reserved.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	28 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 50 diff changeset	29 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	30 //####COPYRIGHTEND####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	31 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	32 //#####DESCRIPTIONBEGIN####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	33 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	34 // Author(s): jskov (based on powerpc/cogent hal_stub.c)
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	35 // Contributors:jskov, dmoseley
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	36 // Date: 1999-02-12
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	37 // Purpose: Helper functions for stub, specific to eCos HAL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	38 // Description: Parts of the GDB stub requirements are provided by
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	39 // the eCos HAL, rather than target and/or board specific
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	40 // code.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	41 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	42 //####DESCRIPTIONEND####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	43 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	44 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	45
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	46 #include <pkgconf/hal.h>
50 a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	47 #ifdef CYGPKG_CYGMON
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	48 #include <pkgconf/cygmon.h>
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	49 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	50
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	51 #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	52
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	53 #include <cyg/hal/hal_stub.h> // Our header
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	54
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	55 #include <cyg/hal/hal_arch.h> // HAL_BREAKINST
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	56 #include <cyg/hal/hal_cache.h> // HAL_xCACHE_x
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	57 #include <cyg/hal/hal_intr.h> // interrupt disable/restore
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	58
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	59 #include <cyg/hal/hal_if.h> // ROM calling interface
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	60 #include <cyg/hal/hal_misc.h> // Helper functions
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	61
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	62 #ifdef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	63 #include <cyg/hal/dbg-threads-api.h> // dbg_currthread_id
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	64 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	65
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	66 #ifdef USE_LONG_NAMES_FOR_ENUM_REGNAMES
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	67 #ifndef PC
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	68 #define PC REG_PC
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	69 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	70 #ifndef SP
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	71 #define SP REG_SP
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	72 #endif
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	73 #endif
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	74
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	75 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	76 // Extra eCos data.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	77
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	78 // Saved registers.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	79 HAL_SavedRegisters *_hal_registers;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	80 target_register_t registers[NUMREGS];
14 01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST jlarmour parents: 12 diff changeset	81 target_register_t alt_registers[NUMREGS] ; // Thread or saved process state
01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST jlarmour parents: 12 diff changeset	82 target_register_t * _registers = registers; // Pointer to current set of registers
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	83
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	84 #if defined(HAL_STUB_HW_WATCHPOINT) \|\| defined(HAL_STUB_HW_BREAKPOINT)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	85 static int _hw_stop_reason; // Reason we were stopped by hw.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	86
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	87 // strings indexed by hw stop reasons defined in hal_stub.h
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	88 static const char * const _hw_stop_str[] = {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	89 "",
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	90 "hbreak",
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	91 "watch",
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	92 "rwatch",
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	93 "awatch"
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	94 };
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	95
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	96 static void *_watch_data_addr; // The data address if stopped by watchpoint
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	97 #endif
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	98
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	99 // Register validity checking
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	100 #ifdef CYGHWR_REGISTER_VALIDITY_CHECKING
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	101 int registers_valid[NUMREGS];
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	102 int *_registers_valid = registers_valid;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	103 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	104
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	105 #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this should go away
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	106 // Interrupt control.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	107 static volatile __PFI __interruptible_control;
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	108 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	109
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	110 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	111 // Register access
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	112
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	113 // Return the currently-saved value corresponding to register REG of
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	114 // the exception context.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	115 target_register_t
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	116 get_register (regnames_t reg)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	117 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	118 return _registers[reg];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	119 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	120
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	121 #ifdef CYGHWR_REGISTER_VALIDITY_CHECKING
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	122 // Return the validity of register REG.
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	123 int
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	124 get_register_valid (regnames_t reg)
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	125 {
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	126 return _registers_valid[reg];
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	127 }
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	128 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	129
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	130 // Store VALUE in the register corresponding to WHICH in the exception
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	131 // context.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	132 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	133 put_register (regnames_t which, target_register_t value)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	134 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	135 _registers[which] = value;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	136 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	137
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	138 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	139 // Serial stuff
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	140 #ifdef CYGPKG_CYGMON
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	141 extern void ecos_bsp_console_putc(char);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	142 extern char ecos_bsp_console_getc(void);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	143 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	144
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	145 // Write C to the current serial port.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	146 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	147 putDebugChar (int c)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	148 {
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	149 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	150 __call_if_debug_procs_t __debug_procs = CYGACC_CALL_IF_DEBUG_PROCS();
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	151 CYGACC_COMM_IF_PUTC(*__debug_procs, c);
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	152 #elif defined(CYGPKG_CYGMON)
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	153 ecos_bsp_console_putc(c);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	154 #else
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	155 HAL_STUB_PLATFORM_PUT_CHAR(c);
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	156 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	157 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	158
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	159 // Read one character from the current serial port.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	160 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	161 getDebugChar (void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	162 {
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	163 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	164 __call_if_debug_procs_t __debug_procs = CYGACC_CALL_IF_DEBUG_PROCS();
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	165 return CYGACC_COMM_IF_GETC(*__debug_procs);
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	166 #elif defined(CYGPKG_CYGMON)
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	167 return ecos_bsp_console_getc();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	168 #else
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	169 return HAL_STUB_PLATFORM_GET_CHAR();
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	170 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	171 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	172
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	173 // Set the baud rate for the current serial port.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	174 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	175 __set_baud_rate (int baud)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	176 {
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	177 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	178 __call_if_debug_procs_t __debug_procs = CYGACC_CALL_IF_DEBUG_PROCS();
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	179 CYGACC_COMM_IF_CONTROL(*__debug_procs, __COMMCTL_SETBAUD, baud);
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	180 #elif defined(CYGPKG_CYGMON)
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	181 // FIXME!
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	182 #else
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	183 HAL_STUB_PLATFORM_SET_BAUD_RATE(baud);
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	184 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	185 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	186
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	187 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	188 // GDB interrupt (BREAK) support.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	189
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	190 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	191
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	192 #ifndef CYGPKG_HAL_ARM
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 34 diff changeset	193
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	194 #if (HAL_BREAKINST_SIZE == 1)
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	195 typedef cyg_uint8 t_inst;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	196 #elif (HAL_BREAKINST_SIZE == 2)
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	197 typedef cyg_uint16 t_inst;
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	198 #elif (HAL_BREAKINST_SIZE == 4)
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	199 typedef cyg_uint32 t_inst;
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	200 #else
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	201 #error "Don't know how to handle that size"
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	202 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	203
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	204 typedef struct
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	205 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	206 t_inst *targetAddr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	207 t_inst savedInstr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	208 } instrBuffer;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	209
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	210 static instrBuffer break_buffer;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	211
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	212 volatile int cyg_hal_gdb_running_step = 0;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	213
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	214 void
50 a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	215 cyg_hal_gdb_place_break (target_register_t pc)
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	216 {
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	217 cyg_hal_gdb_interrupt( pc ); // Let's hope this becomes a drop-through:
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	218 }
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	219
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	220 void
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	221 cyg_hal_gdb_interrupt (target_register_t pc)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	222 {
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	223 CYGARC_HAL_SAVE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	224
50 a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	225 // Clear flag that we Continued instead of Stepping
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	226 cyg_hal_gdb_running_step = 0;
50 a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	227 // and override existing break? So that a ^C takes effect...
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	228 if (NULL != break_buffer.targetAddr)
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	229 cyg_hal_gdb_remove_break( (target_register_t)break_buffer.targetAddr );
a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 48 diff changeset	230
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	231 if (NULL == break_buffer.targetAddr) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	232 break_buffer.targetAddr = (t_inst*) pc;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	233 break_buffer.savedInstr = (t_inst)pc;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	234 (t_inst)pc = (t_inst)HAL_BREAKINST;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	235
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	236 __data_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	237 __instruction_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	238 }
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	239
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	240 CYGARC_HAL_RESTORE_GP();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	241 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	242
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	243 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	244 cyg_hal_gdb_remove_break (target_register_t pc)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	245 {
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	246 if ( cyg_hal_gdb_running_step )
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	247 return 0;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	248
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	249 if ((t_inst*)pc == break_buffer.targetAddr) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	250 (t_inst)pc = break_buffer.savedInstr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	251 break_buffer.targetAddr = NULL;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	252
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	253 __data_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	254 __instruction_cache(CACHE_FLUSH);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	255 return 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	256 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	257 return 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	258 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	259
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	260 int
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	261 cyg_hal_gdb_break_is_set (void)
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	262 {
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	263 if (NULL != break_buffer.targetAddr) {
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	264 return 1;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	265 }
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	266 return 0;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	267 }
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	268
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	269 #endif // CYGPKG_HAL_ARM
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 34 diff changeset	270
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	271 #endif // CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	272
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	273 // Use this function to disable serial interrupts whenever reply
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	274 // characters are expected from GDB. The reason we want to control
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	275 // whether the target can be interrupted or not is simply that GDB on
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	276 // the host will be sending acknowledge characters/commands while the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	277 // stub is running - if serial interrupts were still active, the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	278 // characters would never reach the (polling) getDebugChar.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	279 static void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	280 interruptible(int state)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	281 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	282 static int __interrupts_suspended = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	283
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	284 if (state) {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	285 __interrupts_suspended--;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	286 if (0 >= __interrupts_suspended) {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	287 __interrupts_suspended = 0;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	288 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this _check_ should go away
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	289 {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	290 hal_virtual_comm_table_t* __chan;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	291 __chan = CYGACC_CALL_IF_DEBUG_PROCS();
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	292 CYGACC_COMM_IF_CONTROL(*__chan, __COMMCTL_IRQ_ENABLE);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	293 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	294 #else
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	295 if (__interruptible_control)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	296 __interruptible_control(1);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	297 #endif
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	298 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	299 } else {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	300 __interrupts_suspended++;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	301 if (1 == __interrupts_suspended)
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	302 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this _check_ should go away
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	303 {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	304 hal_virtual_comm_table_t* __chan;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	305 __chan = CYGACC_CALL_IF_DEBUG_PROCS();
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	306 CYGACC_COMM_IF_CONTROL(*__chan, __COMMCTL_IRQ_DISABLE);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	307 }
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	308 #else
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	309 if (__interruptible_control)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	310 __interruptible_control(0);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	311 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	312 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	313 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	314
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	315 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	316 //-----------------------------------------------------------------------------
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	317 // GDB O-packetizer function.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	318
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	319 // This gets called via the virtual vector debug comms entry and
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	320 // handles O-packetization. The debug comms entries are used for the
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	321 // actual device IO.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	322
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	323 static cyg_uint8
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	324 cyg_hal_gdb_diag_getc(void* __ch_data)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	325 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	326 cyg_uint8 __ch;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	327 hal_virtual_comm_table_t* __chan = CYGACC_CALL_IF_DEBUG_PROCS();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	328 CYGARC_HAL_SAVE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	329
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	330 __ch = CYGACC_COMM_IF_GETC(*__chan);
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	331
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	332 CYGARC_HAL_RESTORE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	333
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	334 return __ch;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	335 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	336
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	337
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	338 static void
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	339 cyg_hal_gdb_diag_putc(void* __ch_data, cyg_uint8 c)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	340 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	341 static char line[100];
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	342 static int pos = 0;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	343 CYGARC_HAL_SAVE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	344
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	345 // No need to send CRs
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	346 if( c == '\r' ) return;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	347
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	348 line[pos++] = c;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	349
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	350 if( c == '\n' \|\| pos == sizeof(line) )
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	351 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	352 CYG_INTERRUPT_STATE old;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	353 hal_virtual_comm_table_t* __chan = CYGACC_CALL_IF_DEBUG_PROCS();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	354
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	355 // Disable interrupts. This prevents GDB trying to interrupt us
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	356 // while we are in the middle of sending a packet. The serial
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	357 // receive interrupt will be seen when we re-enable interrupts
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	358 // later.
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	359 #ifdef CYG_HAL_STARTUP_ROM
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	360 HAL_DISABLE_INTERRUPTS(old);
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	361 #else
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	362 CYG_HAL_GDB_ENTER_CRITICAL_IO_REGION(old);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	363 #endif
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	364
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	365 while(1)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	366 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	367 static const char hex[] = "0123456789ABCDEF";
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	368 cyg_uint8 csum = 0, c1;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	369 int i;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	370
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	371 CYGACC_COMM_IF_PUTC(*__chan, '$');
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	372 CYGACC_COMM_IF_PUTC(*__chan, 'O');
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	373 csum += 'O';
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	374 for( i = 0; i < pos; i++ )
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	375 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	376 char ch = line[i];
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	377 char h = hex[(ch>>4)&0xF];
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	378 char l = hex[ch&0xF];
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	379 CYGACC_COMM_IF_PUTC(*__chan, h);
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	380 CYGACC_COMM_IF_PUTC(*__chan, l);
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	381 csum += h;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	382 csum += l;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	383 }
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	384 CYGACC_COMM_IF_PUTC(*__chan, '#');
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	385 CYGACC_COMM_IF_PUTC(*__chan, hex[(csum>>4)&0xF]);
7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	386 CYGACC_COMM_IF_PUTC(*__chan, hex[csum&0xF]);
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	387
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	388 nak:
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	389 c1 = CYGACC_COMM_IF_GETC(*__chan);
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	390
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	391 if( c1 == '+' ) break;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	392
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	393 if( cyg_hal_is_break( &c1 , 1 ) ) {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	394 // Caller's responsibility to react on this.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	395 CYGACC_CALL_IF_CONSOLE_INTERRUPT_FLAG_SET(1);
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	396 break;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	397 }
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 112 diff changeset	398 if( c1 != '-' ) goto nak;
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	399 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	400
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	401 pos = 0;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	402 // And re-enable interrupts
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	403 #ifdef CYG_HAL_STARTUP_ROM
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	404 HAL_RESTORE_INTERRUPTS(old);
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	405 #else
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	406 CYG_HAL_GDB_LEAVE_CRITICAL_IO_REGION(old);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	407 #endif
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	408 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	409
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	410 CYGARC_HAL_RESTORE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	411 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	412
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	413 static void
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	414 cyg_hal_gdb_diag_write(void* __ch_data, const cyg_uint8* __buf,
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	415 cyg_uint32 __len)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	416 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	417 CYGARC_HAL_SAVE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	418
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	419 while(__len-- > 0)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	420 cyg_hal_gdb_diag_putc(__ch_data, *__buf++);
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	421
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	422 CYGARC_HAL_RESTORE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	423 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	424
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	425 static void
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	426 cyg_hal_gdb_diag_read(void* __ch_data, cyg_uint8* __buf, cyg_uint32 __len)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	427 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	428 CYGARC_HAL_SAVE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	429
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	430 while(__len-- > 0)
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	431 *__buf++ = cyg_hal_gdb_diag_getc(__ch_data);
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	432
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	433 CYGARC_HAL_RESTORE_GP();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	434 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	435
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	436 static int
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	437 cyg_hal_gdb_diag_control(void *__ch_data, __comm_control_cmd_t __func, ...)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	438 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	439 // Do nothing (yet).
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	440 return 0;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	441 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	442 #endif
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	443
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	444
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	445 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	446 // eCos stub entry and exit magic.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	447
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	448 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	449 int cyg_hal_gdb_break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	450 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	451
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	452 // Called at stub entry
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	453 static void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	454 handle_exception_cleanup( void )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	455 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	456 interruptible(0);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	457
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	458 // Expand the HAL_SavedRegisters structure into the GDB register
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	459 // array format.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	460 HAL_GET_GDB_REGISTERS(&registers[0], _hal_registers);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	461 _registers = &registers[0];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	462
8 ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	463 #ifdef HAL_STUB_PLATFORM_STUBS_FIXUP
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	464 // Some architectures may need to fix the PC in case of a partial
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	465 // or fully executed trap instruction. GDB only takes correct action
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	466 // when the PC is pointing to the breakpoint instruction it set.
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	467 //
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	468 // Most architectures would leave PC pointing at the trap
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	469 // instruction itself though, and so do not need to do anything
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	470 // special.
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	471 HAL_STUB_PLATFORM_STUBS_FIXUP();
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	472 #endif
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	473
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	474 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	475 // If we continued instead of stepping, when there was a break set
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	476 // ie. we were stepping within a critical region, clear the break, and
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	477 // that flag. If we stopped for some other reason, this has no effect.
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	478 if ( cyg_hal_gdb_running_step ) {
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	479 cyg_hal_gdb_running_step = 0;
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	480 cyg_hal_gdb_remove_break(get_register (PC));
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	481 }
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	482
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	483 // FIXME: (there may be a better way to do this)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	484 // If we hit a breakpoint set by the gdb interrupt stub, make it
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	485 // seem like an interrupt rather than having hit a breakpoint.
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	486 cyg_hal_gdb_break = cyg_hal_gdb_remove_break(get_register (PC));
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	487 #endif
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	488
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	489 #if defined(HAL_STUB_HW_WATCHPOINT) \|\| defined(HAL_STUB_HW_BREAKPOINT)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	490 // For HW watchpoint/breakpoint support, we need to know if we
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	491 // stopped because of watchpoint or hw break. We do that here
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	492 // before GDB has a chance to remove the watchpoints and save
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	493 // the information for later use in building response packets.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	494 _hw_stop_reason = HAL_STUB_IS_STOPPED_BY_HARDWARE(_watch_data_addr);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	495 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	496 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	497
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	498 // Called at stub exit
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	499 static void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	500 handle_exception_init( void )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	501 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	502 // Compact register array again.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	503 HAL_SET_GDB_REGISTERS(_hal_registers, &registers[0]);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	504
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	505 interruptible(1);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	506 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	507
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	508
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	509 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	510 // Initialization.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	511
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	512 // Signal handler.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	513 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	514 cyg_hal_process_signal (int signal)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	515 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	516 // We don't care about the signal (atm).
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	517 return 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	518 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	519
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	520 // Install the standard set of trap handlers for the stub.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	521 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	522 __install_traps (void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	523 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	524 // Set signal handling vector so we can treat 'C<signum>' as 'c'.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	525 __process_signal_vec = &cyg_hal_process_signal;
8 ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	526 // Set exit vector to reset vector. This will allow automatic reset on
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	527 // some platforms.
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	528 __process_exit_vec = &__reset;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	529
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	530 __cleanup_vec = &handle_exception_cleanup;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	531 __init_vec = &handle_exception_init;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	532
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	533 #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this should go away
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	534 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	535 // Control of GDB interrupts.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	536 __interruptible_control = HAL_STUB_PLATFORM_INTERRUPTIBLE;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	537 #endif
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	538 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	539
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	540 // Nothing further to do, handle_exception will be called when an
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	541 // exception occurs.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	542 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	543
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	544 // Initialize the hardware.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	545 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	546 initHardware (void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	547 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	548 static int initialized = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	549
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	550 if (initialized)
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	551 return;
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	552 initialized = 1;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	553
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	554 // Get serial port initialized.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	555 HAL_STUB_PLATFORM_INIT_SERIAL();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	556
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	557 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	558 {
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	559 hal_virtual_comm_table_t* comm;
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	560 int cur = CYGACC_CALL_IF_SET_CONSOLE_COMM(CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT);
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	561
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	562 // Initialize mangler procs
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	563 CYGACC_CALL_IF_SET_CONSOLE_COMM(CYGNUM_CALL_IF_SET_COMM_ID_MANGLER);
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	564 comm = CYGACC_CALL_IF_CONSOLE_PROCS();
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	565 CYGACC_COMM_IF_WRITE_SET(*comm, cyg_hal_gdb_diag_write);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	566 CYGACC_COMM_IF_READ_SET(*comm, cyg_hal_gdb_diag_read);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	567 CYGACC_COMM_IF_PUTC_SET(*comm, cyg_hal_gdb_diag_putc);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	568 CYGACC_COMM_IF_GETC_SET(*comm, cyg_hal_gdb_diag_getc);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	569 CYGACC_COMM_IF_CONTROL_SET(*comm, cyg_hal_gdb_diag_control);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	570
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	571 // Now either restore the previous console channel, or let the
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	572 // mangler stay in its place. The latter happens if the
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	573 // console channel was previously unspecified, or if the
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	574 // previous channel matches the used for GDB communication.
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	575 if (CYGNUM_CALL_IF_SET_COMM_ID_EMPTY != cur
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	576 && CYGNUM_HAL_VIRTUAL_VECTOR_DEBUG_CHANNEL != cur)
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	577 CYGACC_CALL_IF_SET_CONSOLE_COMM(cur);
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	578
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	579 // Set the debug channel.
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	580 CYGACC_CALL_IF_SET_DEBUG_COMM(CYGNUM_HAL_VIRTUAL_VECTOR_DEBUG_CHANNEL);
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	581 }
110 84e4bde58b26 Merge from eCos master repository on 2000-07-14-22:00:02-BST jlarmour parents: 107 diff changeset	582 #endif // CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	583
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	584 #ifdef HAL_STUB_PLATFORM_INIT
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	585 // If the platform defines any initialization code, call it here.
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	586 HAL_STUB_PLATFORM_INIT();
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	587 #endif
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	588
110 84e4bde58b26 Merge from eCos master repository on 2000-07-14-22:00:02-BST jlarmour parents: 107 diff changeset	589 #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // this should go away
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	590 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	591 // Get interrupt handler initialized.
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	592 HAL_STUB_PLATFORM_INIT_BREAK_IRQ();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	593 #endif
110 84e4bde58b26 Merge from eCos master repository on 2000-07-14-22:00:02-BST jlarmour parents: 107 diff changeset	594 #endif // !CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	595 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	596
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	597 // Reset the board.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	598 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	599 __reset (void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	600 {
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	601 #ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	602 __call_if_reset_t __rom_reset = CYGACC_CALL_IF_RESET_GET();
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	603 if (__rom_reset)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	604 __rom_reset();
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	605 #else
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	606 HAL_STUB_PLATFORM_RESET();
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	607 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	608 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	609
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	610 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	611 // Breakpoint support.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	612
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	613 #ifndef CYGPKG_HAL_ARM
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	614 // This function will generate a breakpoint exception. It is used at
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	615 // the beginning of a program to sync up with a debugger and can be
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	616 // used otherwise as a quick means to stop program execution and
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	617 // "break" into the debugger.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	618 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	619 breakpoint()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	620 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	621 HAL_BREAKPOINT(_breakinst);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	622 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	623
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	624 // This function returns the opcode for a 'trap' instruction.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	625 unsigned long
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	626 __break_opcode ()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	627 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	628 return HAL_BREAKINST;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	629 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	630 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	631
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	632 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	633 // Write the 'T' packet in BUFFER. SIGVAL is the signal the program received.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	634 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	635 __build_t_packet (int sigval, char *buf)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	636 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	637 target_register_t addr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	638 char *ptr = buf;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	639
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	640 *ptr++ = 'T';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	641 *ptr++ = __tohex (sigval >> 4);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	642 *ptr++ = __tohex (sigval);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	643
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	644 #ifdef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	645 // Include thread ID if thread manipulation is required.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	646 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	647 int id;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	648
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	649 *ptr++ = 't';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	650 *ptr++ = 'h';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	651 *ptr++ = 'r';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	652 *ptr++ = 'e';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	653 *ptr++ = 'a';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	654 *ptr++ = 'd';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	655 *ptr++ = ':';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	656
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	657 #if (CYG_BYTEORDER == CYG_MSBFIRST)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	658 id = dbg_currthread_id ();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	659 #else
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	660 // FIXME: Temporary workaround for PR 18903. Thread ID must be
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	661 // big-endian in the T packet.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	662 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	663 unsigned char* bep = (unsigned char*)&id;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	664 int be_id;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	665
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	666 be_id = dbg_currthread_id ();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	667 *bep++ = (be_id >> 24) & 0xff ;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	668 *bep++ = (be_id >> 16) & 0xff ;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	669 *bep++ = (be_id >> 8) & 0xff ;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	670 *bep++ = (be_id & 0xff) ;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	671 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	672 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	673 ptr = __mem2hex((char *)&id, ptr, sizeof(id), 0);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	674 *ptr++ = ';';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	675 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	676 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	677
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	678 #ifdef HAL_STUB_HW_WATCHPOINT
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	679 switch(_hw_stop_reason) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	680 case HAL_STUB_HW_STOP_WATCH:
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	681 case HAL_STUB_HW_STOP_RWATCH:
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	682 case HAL_STUB_HW_STOP_AWATCH:
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	683 strcpy(ptr, _hw_stop_str[_hw_stop_reason]);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	684 ptr += strlen(_hw_stop_str[_hw_stop_reason]);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	685 *ptr++ = ':';
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	686 // Send address MSB first
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	687 ptr += __intToHex(ptr, (target_register_t)_watch_data_addr,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	688 sizeof(_watch_data_addr) * 8);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	689 *ptr++ = ';';
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	690 break;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	691 default:
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	692 break;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	693 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	694 #endif
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 130 diff changeset	695
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	696 *ptr++ = __tohex (PC >> 4);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	697 *ptr++ = __tohex (PC);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	698 *ptr++ = ':';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	699 addr = get_register (PC);
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	700 if (sizeof(addr) < REGSIZE(PC))
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	701 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	702 // GDB is expecting REGSIZE(PC) number of bytes.
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	703 // We only have sizeof(addr) number. Let's fill
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	704 // the appropriate number of bytes intelligently.
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	705 target_register_t extend_val = 0;
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	706 #ifdef CYGARC_SIGN_EXTEND_REGISTERS
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	707 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	708 unsigned long bits_in_addr = (sizeof(addr) << 3); // ie Size in bytes * 8
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	709 target_register_t sign_bit_mask = (1 << (bits_in_addr - 1));
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	710 if ((addr & sign_bit_mask) == sign_bit_mask)
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	711 extend_val = ~0;
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	712 }
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	713 #endif
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	714 ptr = __mem2hex((char *)&extend_val, ptr, REGSIZE(PC) - sizeof(addr), 0);
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	715 }
121 6bd9d475ed4b Merge from eCos master repository on 2000-09-04-20:50:20-BST jlarmour parents: 115 diff changeset	716 ptr = __mem2hex((char *)&addr, ptr, sizeof(addr), 0);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	717 *ptr++ = ';';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	718
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	719 *ptr++ = __tohex (SP >> 4);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	720 *ptr++ = __tohex (SP);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	721 *ptr++ = ':';
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	722 addr = (target_register_t) get_register (SP);
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	723 if (sizeof(addr) < REGSIZE(SP))
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	724 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	725 // GDB is expecting REGSIZE(SP) number of bytes.
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	726 // We only have sizeof(addr) number. Let's fill
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	727 // the appropriate number of bytes intelligently.
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	728 target_register_t extend_val = 0;
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	729 #ifdef CYGARC_SIGN_EXTEND_REGISTERS
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	730 {
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	731 unsigned long bits_in_addr = (sizeof(addr) << 3); // ie Size in bytes * 8
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	732 target_register_t sign_bit_mask = (1 << (bits_in_addr - 1));
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	733 if ((addr & sign_bit_mask) == sign_bit_mask)
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	734 extend_val = ~0;
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	735 }
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	736 #endif
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	737 ptr = __mem2hex((char *)&extend_val, ptr, REGSIZE(SP) - sizeof(addr), 0);
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 110 diff changeset	738 }
121 6bd9d475ed4b Merge from eCos master repository on 2000-09-04-20:50:20-BST jlarmour parents: 115 diff changeset	739 ptr = __mem2hex((char *)&addr, ptr, sizeof(addr), 0);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	740 *ptr++ = ';';
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	741
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	742 *ptr++ = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	743 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	744
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	745
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	746 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	747 // Cache functions.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	748
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	749 // Perform the specified operation on the instruction cache.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	750 // Returns 1 if the cache is enabled, 0 otherwise.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	751 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	752 __instruction_cache (cache_control_t request)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	753 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	754 int state = 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	755
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	756 switch (request) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	757 case CACHE_ENABLE:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	758 HAL_ICACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	759 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	760 case CACHE_DISABLE:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	761 HAL_ICACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	762 state = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	763 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	764 case CACHE_FLUSH:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	765 HAL_ICACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	766 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	767 case CACHE_NOOP:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	768 /* fall through */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	769 default:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	770 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	771 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	772
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	773 #ifdef HAL_ICACHE_IS_ENABLED
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	774 HAL_ICACHE_IS_ENABLED(state);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	775 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	776
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	777 return state;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	778 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	779
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	780 // Perform the specified operation on the data cache.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	781 // Returns 1 if the cache is enabled, 0 otherwise.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	782 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	783 __data_cache (cache_control_t request)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	784 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	785 int state = 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	786
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	787 switch (request) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	788 case CACHE_ENABLE:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	789 HAL_DCACHE_ENABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	790 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	791 case CACHE_DISABLE:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	792 HAL_DCACHE_DISABLE();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	793 state = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	794 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	795 case CACHE_FLUSH:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	796 HAL_DCACHE_SYNC();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	797 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	798 case CACHE_NOOP:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	799 /* fall through */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	800 default:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	801 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	802 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	803 #ifdef HAL_DCACHE_IS_ENABLED
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	804 HAL_DCACHE_IS_ENABLED(state);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	805 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	806
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	807 return state;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	808 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	809
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	810 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	811 // Memory accessor functions.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	812
130 eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	813 // The __mem_fault_handler pointer is volatile since it is only
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	814 // set/cleared by the function below - which does not rely on any
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	815 // other functions, so the compiler may decide to not bother updating
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	816 // the pointer at all. If any of the memory accesses cause an
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	817 // exception, the pointer must be set to ensure the exception handler
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	818 // can make use of it.
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	819
eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 121 diff changeset	820 void* volatile __mem_fault_handler = (void *)0;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	821
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	822 /* These are the "arguments" to __do_read_mem and __do_write_mem,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	823 which are passed as globals to avoid squeezing them thru
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	824 __set_mem_fault_trap. */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	825
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	826 static volatile target_register_t memCount;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	827
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	828 static void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	829 __do_copy_mem (unsigned char* src, unsigned char* dst)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	830 {
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	831 unsigned long *long_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	832 unsigned long *long_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	833 unsigned short *short_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	834 unsigned short *short_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	835
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	836 __mem_fault = 1; /* Defaults to 'fail'. Is cleared */
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	837 /* when the copy loop completes. */
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	838 __mem_fault_handler = &&err;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	839
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	840 // See if it's safe to do multi-byte, aligned operations
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	841 while (memCount) {
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	842 if ((memCount >= sizeof(long)) &&
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	843 (((target_register_t)dst & (sizeof(long)-1)) == 0) &&
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	844 (((target_register_t)src & (sizeof(long)-1)) == 0)) {
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	845
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	846 long_dst = (unsigned long *)dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	847 long_src = (unsigned long *)src;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	848
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	849 long_dst++ = long_src++;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	850 memCount -= sizeof(long);
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	851
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	852 dst = (unsigned char *)long_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	853 src = (unsigned char *)long_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	854 } else if ((memCount >= sizeof(short)) &&
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	855 (((target_register_t)dst & (sizeof(short)-1)) == 0) &&
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	856 (((target_register_t)src & (sizeof(short)-1)) == 0)) {
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	857
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	858 short_dst = (unsigned short *)dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	859 short_src = (unsigned short *)src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	860
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	861 short_dst++ = short_src++;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	862 memCount -= sizeof(short);
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	863
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	864 dst = (unsigned char *)short_dst;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	865 src = (unsigned char *)short_src;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	866 } else {
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	867 dst++ = src++;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	868 memCount--;
29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	869 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	870 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	871
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	872 __mem_fault = 0;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	873
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	874 err:
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	875 __mem_fault_handler = (void *)0;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	876 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	877
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	878 /*
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	879 * __read_mem_safe:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	880 * Get contents of target memory, abort on error.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	881 */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	882
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	883 int
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	884 __read_mem_safe (void dst, void src, int count)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	885 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	886 memCount = count;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	887 __do_copy_mem((unsigned char) src, (unsigned char) dst);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	888 return count - memCount; // return number of bytes successfully read
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	889 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	890
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	891 /*
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	892 * __write_mem_safe:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	893 * Set contents of target memory, abort on error.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	894 */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	895
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	896 int
34 29bc183297e1 Merge from eCos master repository on 1999-09-02-16:26:10-BST jlarmour parents: 30 diff changeset	897 __write_mem_safe (void src, void dst, int count)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	898 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	899 memCount = count;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	900 __do_copy_mem((unsigned char) src, (unsigned char) dst);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	901 return count - memCount; // return number of bytes successfully written
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	902 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	903
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	904 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	905 // Target extras?!
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	906 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	907 __process_target_query(char * pkt, char * out, int maxOut)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	908 { return 0 ; }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	909 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	910 __process_target_set(char * pkt, char * out, int maxout)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	911 { return 0 ; }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	912 int
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	913 __process_target_packet(char * pkt, char * out, int maxout)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	914 { return 0 ; }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	915
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	916 // GDB string output, making sure interrupts are disabled.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	917 // This function gets used by some diag output functions.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	918 void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	919 hal_output_gdb_string(target_register_t str, int string_len)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	920 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	921 unsigned long __state;
8 ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	922 HAL_DISABLE_INTERRUPTS(__state);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	923 __output_gdb_string(str, string_len);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	924 HAL_RESTORE_INTERRUPTS(__state);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	925 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	926
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	927 #endif // CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS

Mercurial > flash_v2

annotate packages/hal/common/current/src/hal_stub.c @ 136:a9ac27ec7abc ecos-sw-2000-11-17