flash_v2: packages/hal/mips/arch/current/src/hal

annotate packages/hal/mips/arch/current/src/hal_misc.c @ 1777:c16341b1bac6 default tip

* Added execute permissions to files missed in conversion from CVS

author	alexs
date	Mon, 12 Oct 2009 02:26:09 +0100
parents	b3be5b1e1cfd
children

rev	line source
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	1 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	2 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	3 // hal_misc.c
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	4 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	5 // HAL miscellaneous functions
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	6 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	7 //==========================================================================
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	8 //####ECOSGPLCOPYRIGHTBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	9 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	10 // This file is part of eCos, the Embedded Configurable Operating System.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	12 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	13 // eCos is free software; you can redistribute it and/or modify it under
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	14 // the terms of the GNU General Public License as published by the Free
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	15 // Software Foundation; either version 2 or (at your option) any later version.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	16 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	20 // for more details.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	21 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	22 // You should have received a copy of the GNU General Public License along
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	23 // with eCos; if not, write to the Free Software Foundation, Inc.,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	25 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	26 // As a special exception, if other files instantiate templates or use macros
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	27 // or inline functions from this file, or you compile this file and link it
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	28 // with other works to produce a work based on this file, this file does not
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	29 // by itself cause the resulting work to be covered by the GNU General Public
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	30 // License. However the source code for this file must still be made available
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	31 // in accordance with section (3) of the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	32 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	33 // This exception does not invalidate any other reasons why a work based on
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	34 // this file might be covered by the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	35 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
210 d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	37 // at http://sources.redhat.com/ecos/ecos-license/
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	38 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 200 diff changeset	39 //####ECOSGPLCOPYRIGHTEND####
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	40 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	41 //#####DESCRIPTIONBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	42 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	43 // Author(s): nickg
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	44 // Contributors: nickg, jlarmour
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	45 // Date: 1999-01-21
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	46 // Purpose: HAL miscellaneous functions
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	47 // Description: This file contains miscellaneous functions provided by the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	48 // HAL.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	49 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	50 //####DESCRIPTIONEND####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	51 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	52 //========================================================================*/
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	53
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	54 #include <pkgconf/hal.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	55
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	56 #include <cyg/infra/cyg_type.h> // Base types
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	57 #include <cyg/infra/cyg_trac.h> // tracing macros
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	58 #include <cyg/infra/cyg_ass.h> // assertion macros
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	59
126 518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	60 #define CYGARC_HAL_COMMON_EXPORT_CPU_MACROS
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	61 #include <cyg/hal/hal_arch.h> // architectural definitions
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	62
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	63 #include <cyg/hal/hal_intr.h> // Interrupt handling
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	64
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	65 #include <cyg/hal/hal_cache.h> // Cache handling
165 d63db767121d Merge from eCos master repository on 2001-06-29-06:43:03-BST jlarmour parents: 154 diff changeset	66 #include <cyg/hal/hal_if.h> // hal_ctrlc_isr()
126 518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	67 #include <cyg/hal/mips-regs.h> // FPU cause register definitions
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	68
198 ea3f0bd33a73 Merge from eCos master repository on 2001-12-07-11:40:47-GMT jlarmour parents: 196 diff changeset	69 #include CYGHWR_MEMORY_LAYOUT_H
ea3f0bd33a73 Merge from eCos master repository on 2001-12-07-11:40:47-GMT jlarmour parents: 196 diff changeset	70
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	71 /------------------------------------------------------------------------/
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	72 /* If required, define a variable to store the clock period. */
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	73
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	74 #ifdef CYGHWR_HAL_CLOCK_PERIOD_DEFINED
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	75
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	76 CYG_WORD32 cyg_hal_clock_period;
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	77
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	78 #endif
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	79
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	80 /------------------------------------------------------------------------/
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	81 /* First level C exception handler. */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	82
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	83 externC void __handle_exception (void);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	84
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	85 externC HAL_SavedRegisters *_hal_registers;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	86
130 eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 126 diff changeset	87 externC void* volatile __mem_fault_handler;
36 e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	88
26 4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	89 externC cyg_uint8 cyg_hal_mips_process_fpe( HAL_SavedRegisters *regs );
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	90
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	91 externC cyg_uint32 cyg_hal_exception_handler(HAL_SavedRegisters *regs)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	92 {
200 8147f1c99f15 Merge from eCos master repository on 2001-12-21-06:43:03-GMT jlarmour parents: 198 diff changeset	93 #if defined(CYGHWR_HAL_MIPS_FPU) \|\| \
8147f1c99f15 Merge from eCos master repository on 2001-12-21-06:43:03-GMT jlarmour parents: 198 diff changeset	94 (defined(CYGFUN_HAL_COMMON_KERNEL_SUPPORT) && defined(CYGPKG_HAL_EXCEPTIONS))
126 518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	95 int vec = regs->vector>>2;
200 8147f1c99f15 Merge from eCos master repository on 2001-12-21-06:43:03-GMT jlarmour parents: 198 diff changeset	96 #endif
26 4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	97
126 518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	98 #if defined(CYGHWR_HAL_MIPS_FPU)
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	99 // Special handling of FPU exceptions
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	100 if (CYGNUM_HAL_VECTOR_FPE == vec) {
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	101
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	102 #if defined(CYGSEM_HAL_MIPS_EMULATE_UNIMPLEMENTED_FPU_OPS)
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	103 // We may be required to emulate certain unimplemented Floating Point
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	104 // operations
26 4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	105
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	106 // cyg_hal_mips_process_fpe() returns non-zero if it could handle
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	107 // the exception successfully. If so, we just return
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	108
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	109 if ( cyg_hal_mips_process_fpe(regs) )
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	110 return 0;
126 518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	111 #endif
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	112
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	113 // Find the cause of the FPU exception, clear the flag and use
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	114 // the decoded vector number.
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	115 {
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	116 cyg_uint32 cause = regs->fcr31;
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	117
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	118 if (cause & FCR31_CAUSE_I) {
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	119 vec = CYGNUM_HAL_EXCEPTION_FPU_INEXACT;
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	120 cause &= ~(FCR31_FLAGS_I \| FCR31_CAUSE_I);
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	121 } else if (cause & FCR31_CAUSE_U) {
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	122 vec = CYGNUM_HAL_EXCEPTION_FPU_UNDERFLOW;
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	123 cause &= ~(FCR31_FLAGS_U \| FCR31_CAUSE_U);
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	124 } else if (cause & FCR31_CAUSE_O) {
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	125 vec = CYGNUM_HAL_EXCEPTION_FPU_OVERFLOW;
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	126 cause &= ~(FCR31_FLAGS_O \| FCR31_CAUSE_O);
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	127 } else if (cause & FCR31_CAUSE_Z) {
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	128 vec = CYGNUM_HAL_EXCEPTION_FPU_DIV_BY_ZERO;
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	129 cause &= ~(FCR31_FLAGS_Z \| FCR31_CAUSE_Z);
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	130 } else if (cause & FCR31_CAUSE_V) {
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	131 vec = CYGNUM_HAL_EXCEPTION_FPU_INVALID;
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	132 cause &= ~(FCR31_FLAGS_V \| FCR31_CAUSE_V);
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	133 }
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	134 regs->fcr31 = cause;
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	135
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	136 #if 1
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	137 // Update the FPU status register with the new
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	138 // setting. This is a workaround for the signal2 test
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	139 // which does a longjump in the exception handler and thus
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	140 // never gets around to executing the register restore
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	141 // code.
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	142 asm ("ctc1 %0,$31" : : "r" (cause));
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	143 #endif
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	144 }
26 4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	145 }
126 518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	146 #endif // CYGHWR_HAL_MIPS_FPU
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	147
26 4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	148
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	149 #if defined(CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	150
36 e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	151 // If we caught an exception inside the stubs, see if we were expecting it
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	152 // and if so jump to the saved address
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	153 if (__mem_fault_handler) {
194 feb0fcf83327 Merge from eCos master repository on 2001-10-26-06:43:03-BST jlarmour parents: 184 diff changeset	154 regs->pc = (CYG_HAL_MIPS_REG)(signed long)__mem_fault_handler;
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	155 return 0; // Caught an exception inside stubs
36 e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	156 }
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	157
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	158 // Set the pointer to the registers of the current exception
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	159 // context. At entry the GDB stub will expand the
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	160 // HAL_SavedRegisters structure into a (bigger) register array.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	161 _hal_registers = regs;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	162 __handle_exception();
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	163
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	164 #elif defined(CYGFUN_HAL_COMMON_KERNEL_SUPPORT) && defined(CYGPKG_HAL_EXCEPTIONS)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	165
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	166 // We should decode the vector and pass a more appropriate
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	167 // value as the second argument. For now we simply pass a
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	168 // pointer to the saved registers. We should also divert
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	169 // breakpoint and other debug vectors into the debug stubs.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	170
126 518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 101 diff changeset	171 cyg_hal_deliver_exception( vec, (CYG_ADDRWORD)regs );
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	172
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	173 #else
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	174
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	175 CYG_FAIL("Exception!!!");
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	176
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	177 #endif
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	178 return 0;
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	179 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	180
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	181 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	182 /* default ISR */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	183
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	184 #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	185 externC cyg_uint32 hal_default_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	186 {
50 a0774359f013 Merge from eCos master repository on 1999-11-02-17:02:15-GMT jlarmour parents: 38 diff changeset	187 #if defined(CYGDBG_HAL_MIPS_DEBUG_GDB_CTRLC_SUPPORT) && \
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	188 defined(CYGHWR_HAL_GDB_PORT_VECTOR) && \
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	189 defined(HAL_CTRLC_ISR)
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	190
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	191 #ifndef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	192 if( vector == CYGHWR_HAL_GDB_PORT_VECTOR )
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	193 #endif
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	194 {
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	195 cyg_uint32 result = HAL_CTRLC_ISR( vector, data );
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	196 if( result != 0 ) return result;
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	197 }
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	198
62 7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 50 diff changeset	199 #if defined(CYGSEM_HAL_USE_ROM_MONITOR_CygMon)
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	200 #if defined(HAL_DIAG_IRQ_CHECK)
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	201 {
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	202 cyg_uint32 ret;
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	203 /* let ROM monitor handle unexpected interrupts */
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	204 HAL_DIAG_IRQ_CHECK(vector, ret);
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	205 if (ret<=0)
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	206 return ret;
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	207 }
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	208 #endif // def HAL_DIAG_IRQ_CHECK
62 7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 50 diff changeset	209 #endif // def CYGSEM_HAL_USE_ROM_MONITOR_CygMon
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	210 #endif
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	211
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	212 CYG_TRACE1(true, "Interrupt: %d", vector);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	213 CYG_FAIL("Spurious Interrupt!!!");
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	214 return 0;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	215 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	216
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	217 #else // CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	218
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	219 externC cyg_uint32 hal_arch_default_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	220 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	221 #if defined(CYGDBG_HAL_MIPS_DEBUG_GDB_CTRLC_SUPPORT) && \
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	222 defined(CYGHWR_HAL_GDB_PORT_VECTOR) && \
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	223 defined(HAL_CTRLC_ISR)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	224
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	225 #if defined(CYGSEM_HAL_USE_ROM_MONITOR_CygMon)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	226 #if defined(HAL_DIAG_IRQ_CHECK)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	227 {
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	228 cyg_uint32 ret;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	229 /* let ROM monitor handle unexpected interrupts */
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	230 HAL_DIAG_IRQ_CHECK(vector, ret);
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	231 if (ret<=0)
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	232 return ret;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	233 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	234 #endif // def HAL_DIAG_IRQ_CHECK
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	235 #endif // def CYGSEM_HAL_USE_ROM_MONITOR_CygMon
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	236 #endif
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	237
153 5e8f3b328bb3 Merge from eCos master repository on 2001-02-19-15:48:12-GMT jlarmour parents: 143 diff changeset	238 #ifdef CYGPKG_REDBOOT
5e8f3b328bb3 Merge from eCos master repository on 2001-02-19-15:48:12-GMT jlarmour parents: 143 diff changeset	239 hal_ctrlc_isr( vector, data );
5e8f3b328bb3 Merge from eCos master repository on 2001-02-19-15:48:12-GMT jlarmour parents: 143 diff changeset	240 #endif
5e8f3b328bb3 Merge from eCos master repository on 2001-02-19-15:48:12-GMT jlarmour parents: 143 diff changeset	241
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	242 return 0;
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	243 }
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	244
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	245 #endif // CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	246
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	247 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	248 /* data copy and bss zero functions */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	249
16 4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	250 typedef void (CYG_SYM_ADDRESS)(void);
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	251
16 4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	252 // All these must use this type of address to stop them being given relocations
4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	253 // relative to $gp (i.e. assuming they would be in .sdata)
4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	254 extern CYG_SYM_ADDRESS __ram_data_start;
4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	255 extern CYG_SYM_ADDRESS __ram_data_end;
4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	256 extern CYG_SYM_ADDRESS __rom_data_start;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	257
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	258 #ifdef CYG_HAL_STARTUP_ROM
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	259 void hal_copy_data(void)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	260 {
16 4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	261 char p = (char )&__ram_data_start;
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	262 char q = (char )&__rom_data_start;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	263
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	264 while( p != (char *)&__ram_data_end )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	265 p++ = q++;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	266 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	267 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	268
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	269 /------------------------------------------------------------------------/
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	270
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	271 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	272 cyg_bool cyg_hal_stop_constructors;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	273 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	274
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	275 typedef void (*pfunc) (void);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	276 extern pfunc __CTOR_LIST__[];
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	277 extern pfunc __CTOR_END__[];
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	278
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	279 void
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	280 cyg_hal_invoke_constructors(void)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	281 {
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	282 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	283 static pfunc *p = &__CTOR_END__[-1];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	284
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	285 cyg_hal_stop_constructors = 0;
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	286 for (; p >= __CTOR_LIST__; p--) {
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	287 (*p) ();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	288 if (cyg_hal_stop_constructors) {
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	289 p--;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	290 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	291 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	292 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	293 #else
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	294 pfunc *p;
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	295
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	296 for (p = &__CTOR_END__[-1]; p >= __CTOR_LIST__; p--)
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	297 (*p) ();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	298 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	299
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	300 } // cyg_hal_invoke_constructors()
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	301
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	302 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	303 /* Determine the index of the ls bit of the supplied mask. */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	304
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	305 cyg_uint32 hal_lsbit_index(cyg_uint32 mask)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	306 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	307 cyg_uint32 n = mask;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	308
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	309 static const signed char tab[64] =
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	310 { -1, 0, 1, 12, 2, 6, 0, 13, 3, 0, 7, 0, 0, 0, 0, 14, 10,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	311 4, 0, 0, 8, 0, 0, 25, 0, 0, 0, 0, 0, 21, 27 , 15, 31, 11,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	312 5, 0, 0, 0, 0, 0, 9, 0, 0, 24, 0, 0 , 20, 26, 30, 0, 0, 0,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	313 0, 23, 0, 19, 29, 0, 22, 18, 28, 17, 16, 0
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	314 };
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	315
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	316 n &= ~(n-1UL);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	317 n = (n<<16)-n;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	318 n = (n<<6)+n;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	319 n = (n<<4)+n;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	320
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	321 return tab[n>>26];
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	322 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	323
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	324 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	325 /* Determine the index of the ms bit of the supplied mask. */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	326
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	327 cyg_uint32 hal_msbit_index(cyg_uint32 mask)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	328 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	329 cyg_uint32 x = mask;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	330 cyg_uint32 w;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	331
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	332 /* Phase 1: make word with all ones from that one to the right */
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	333 x \|= x >> 16;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	334 x \|= x >> 8;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	335 x \|= x >> 4;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	336 x \|= x >> 2;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	337 x \|= x >> 1;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	338
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	339 /* Phase 2: calculate number of "1" bits in the word */
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	340 w = (x & 0x55555555) + ((x >> 1) & 0x55555555);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	341 w = (w & 0x33333333) + ((w >> 2) & 0x33333333);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	342 w = w + (w >> 4);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	343 w = (w & 0x000F000F) + ((w >> 8) & 0x000F000F);
196 9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT jlarmour parents: 194 diff changeset	344 return (cyg_uint32)((w + (w >> 16)) & 0xFF) - 1;
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	345
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	346 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	347
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	348 /------------------------------------------------------------------------/
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 130 diff changeset	349 /* Delay for some number of useconds. */
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 130 diff changeset	350 void
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 130 diff changeset	351 hal_delay_us(int us)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 130 diff changeset	352 {
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 130 diff changeset	353 cyg_uint32 val1, val2;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 130 diff changeset	354 int diff;
184 022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	355 long usticks;
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 130 diff changeset	356 long ticks;
184 022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	357
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	358 // Calculate the number of counter register ticks per microsecond.
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	359
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	360 usticks = (CYGNUM_HAL_RTC_PERIOD * CYGNUM_HAL_RTC_DENOMINATOR) / 1000000;
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	361
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	362 // Make sure that the value is not zero. This will only happen if the
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	363 // CPU is running at < 2MHz.
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	364 if( usticks == 0 ) usticks = 1;
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	365
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	366 while( us > 0 )
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	367 {
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	368 int us1 = us;
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 130 diff changeset	369
184 022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	370 // Wait in bursts of less than 10000us to avoid any overflow
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	371 // problems in the multiply.
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	372 if( us1 > 10000 )
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	373 us1 = 10000;
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	374
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	375 us -= us1;
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	376
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	377 ticks = us1 * usticks;
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	378
488 b3be5b1e1cfd * src/hal_misc.c (hal_delay_us): Use HAL_CLOCK_READ instead of inline jlarmour parents: 210 diff changeset	379 HAL_CLOCK_READ(&val1);
184 022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	380 while (ticks > 0) {
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	381 do {
488 b3be5b1e1cfd * src/hal_misc.c (hal_delay_us): Use HAL_CLOCK_READ instead of inline jlarmour parents: 210 diff changeset	382 HAL_CLOCK_READ(&val2);
184 022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	383 } while (val1 == val2);
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	384 diff = val2 - val1;
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	385 if (diff < 0) diff += CYGNUM_HAL_RTC_PERIOD;
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	386 ticks -= diff;
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	387 val1 = val2;
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 165 diff changeset	388 }
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 130 diff changeset	389 }
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 130 diff changeset	390 }
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 130 diff changeset	391
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 130 diff changeset	392 /------------------------------------------------------------------------/
198 ea3f0bd33a73 Merge from eCos master repository on 2001-12-07-11:40:47-GMT jlarmour parents: 196 diff changeset	393
ea3f0bd33a73 Merge from eCos master repository on 2001-12-07-11:40:47-GMT jlarmour parents: 196 diff changeset	394 void hal_arch_program_new_stack(void *_func)
ea3f0bd33a73 Merge from eCos master repository on 2001-12-07-11:40:47-GMT jlarmour parents: 196 diff changeset	395 {
ea3f0bd33a73 Merge from eCos master repository on 2001-12-07-11:40:47-GMT jlarmour parents: 196 diff changeset	396 externC void hal_program_new_stack( void *func, CYG_ADDRESS addr);
ea3f0bd33a73 Merge from eCos master repository on 2001-12-07-11:40:47-GMT jlarmour parents: 196 diff changeset	397 hal_program_new_stack( (void *)_func,
ea3f0bd33a73 Merge from eCos master repository on 2001-12-07-11:40:47-GMT jlarmour parents: 196 diff changeset	398 (CYGMEM_REGION_ram + CYGMEM_REGION_ram_SIZE - sizeof(CYG_ADDRESS)) & ~15 );
ea3f0bd33a73 Merge from eCos master repository on 2001-12-07-11:40:47-GMT jlarmour parents: 196 diff changeset	399 }
ea3f0bd33a73 Merge from eCos master repository on 2001-12-07-11:40:47-GMT jlarmour parents: 196 diff changeset	400
ea3f0bd33a73 Merge from eCos master repository on 2001-12-07-11:40:47-GMT jlarmour parents: 196 diff changeset	401 /------------------------------------------------------------------------/
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	402 /* Idle thread action */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	403
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	404 #include <cyg/infra/diag.h>
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	405
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	406 void hal_idle_thread_action( cyg_uint32 count )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	407 {
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	408 #if 0 //def CYGPKG_HAL_MIPS_SIM
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	409 if( (count % 1000) == 0 )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	410 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	411 // This code causes a fake interrupt.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	412 asm volatile (
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	413 "xor $24,$24,$24;"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	414 "mtc0 $24,$13;"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	415 "lui $25,%%hi(1f);"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	416 "ori $25,$25,%%lo(1f);"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	417 "j other_vector;"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	418 "nop;"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	419 "1:"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	420 :
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	421 :
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	422 : "t8", "t9"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	423 );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	424 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	425 #endif
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	426 #if 0 //def CYGPKG_HAL_MIPS_TX39_JMR3904
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	427
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	428 if( (count % 100000 ) == 0 )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	429 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	430 // cyg_uint32 tval, isr, imr, ilr;
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	431 cyg_uint32 sr = 0, cr = 0, ctr = 0, cpr = 0;
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	432 // HAL_CLOCK_READ( &tval );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	433 // HAL_READ_UINT32( 0xFFFFC000, isr );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	434 // HAL_READ_UINT32( 0xFFFFC004, imr );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	435 // HAL_READ_UINT32( 0xFFFFC01C, ilr );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	436 // CYG_TRACE2(1, "Timer value, ISR ",tval, isr);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	437 // CYG_TRACE2(1, "IMR ILR0 ", imr, ilr);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	438
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	439 // asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	440 // "mfc0 %0,$12;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	441 // "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	442 // "mfc0 %1,$13;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	443 // "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	444 // "mfc0 %2,$9;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	445 // "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	446 // "mfc0 %3,$11;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	447 // "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	448 // : "=r"(sr), "=r"(cr), "=r"(ctr), "=r"(cpr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	449 // );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	450
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	451
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	452 // diag_printf("Status %08x ", sr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	453 // diag_printf("Cause %08x ", cr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	454 // diag_printf("Counter %08x ", ctr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	455 // diag_printf("Compare %08x\n", cpr);
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	456
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	457 #if 0
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	458 asm volatile (
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	459 "mfc0 %0,$12;"
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	460 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	461 : "=r"(sr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	462 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	463 diag_write_string("Status "); diag_write_hex( sr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	464
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	465 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	466 "mfc0 %0,$13;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	467 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	468 : "=r"(cr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	469 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	470 diag_write_string(" Cause "); diag_write_hex( cr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	471
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	472 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	473 "mfc0 %0,$9;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	474 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	475 : "=r"(ctr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	476 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	477 diag_write_string(" Counter "); diag_write_hex( ctr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	478
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	479 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	480 "mfc0 %0,$11;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	481 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	482 : "=r"(cpr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	483 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	484 diag_write_string(" Compare "); diag_write_hex( cpr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	485 diag_write_string( "\n" );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	486
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	487 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	488 #if 1
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	489 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	490 "mfc0 %0,$12;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	491 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	492 : "=r"(sr)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	493 );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	494
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	495 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	496 "mfc0 %0,$13;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	497 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	498 : "=r"(cr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	499 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	500
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	501 CYG_INSTRUMENT_USER( 1, sr, cr );
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	502
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	503 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	504 "mfc0 %0,$9;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	505 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	506 : "=r"(ctr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	507 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	508
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	509 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	510 "mfc0 %0,$11;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	511 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	512 : "=r"(cpr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	513 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	514
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	515 CYG_INSTRUMENT_USER( 2, ctr, cpr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	516 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	517
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	518 // if( count == 4 )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	519 // {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	520 // HAL_ENABLE_INTERRUPTS();
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	521 // }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	522
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	523 // if( count >= 10 )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	524 // for(;;);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	525 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	526 #endif
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	527 #if 0
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	528 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	529 static CYG_WORD32 istat[3] = { 0xffffffff,0xffffffff,0xffffffff };
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	530 int i;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	531 for( i = 0; i < 3; i++ )
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	532 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	533 CYG_WORD32 reg, sr;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	534 HAL_READ_UINT32( CYGHWR_HAL_MIPS_VRC4373_INTC_STAT0 + i * CYGHWR_HAL_MIPS_VRC4373_INTC_MASK_OFF, reg );
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	535 if( reg != istat[i] )
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	536 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	537 hal_diag_ai_write_char('~');
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	538 hal_diag_ai_write_char('0'+i);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	539 hal_diag_ai_write_hex8( reg );
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	540 istat[i] = reg;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	541 HAL_READ_UINT32( CYGHWR_HAL_MIPS_VRC4373_INTC_MASK0 + i * CYGHWR_HAL_MIPS_VRC4373_INTC_MASK_OFF, reg );
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	542 hal_diag_ai_write_char('.');
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	543 hal_diag_ai_write_hex8( reg );
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	544 #if 0
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	545 asm volatile (
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	546 "mfc0 %0,$12;"
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	547 "nop; nop; nop;"
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	548 : "=r"(sr)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	549 );
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	550 hal_diag_ai_write_char('.');
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	551 hal_diag_ai_write_hex8( sr );
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	552 #endif
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	553 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	554 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	555 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	556 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	557 static CYG_WORD32 old_pins = 0;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	558 CYG_WORD32 reg;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	559 HAL_READ_UINT32( CYGHWR_HAL_MIPS_VRC4373_INTC_PINS, reg );
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	560 if( reg != old_pins )
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	561 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	562 hal_diag_ai_write_char('%');
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	563 hal_diag_ai_write_hex8( reg );
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	564 old_pins = reg;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	565 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	566 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	567 #endif
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	568 #if 0 //def CYGPKG_HAL_MIPS_VR4300_VRC4373
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	569
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	570 // Wiggle one of the leds to show we are running
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	571
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	572 if( (count % 50000 ) == 0 )
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	573 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	574 cyg_uint8 lr;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	575 { int i; for( i = 0; i < 200; i++ ); }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	576 HAL_READ_UINT8( 0xc2000008, lr );
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	577 lr ^= 2;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	578 { int i; for( i = 0; i < 200; i++ ); }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	579 HAL_WRITE_UINT8( 0xc2000008, lr );
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	580
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	581 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	582 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	583 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	584
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	585 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	586 /* End of hal_misc.c */

Mercurial > flash_v2

annotate packages/hal/mips/arch/current/src/hal_misc.c @ 1777:c16341b1bac6 default tip