ecos-v3_0-branch: packages/hal/mn10300/arch/current/src/hal

annotate packages/hal/mn10300/arch/current/src/hal_misc.c @ 130:eb9fd8c04db3 ecos-sw-2000-10-23

Merge from eCos master repository on 2000-10-23-17:01:37-BST

author	jlarmour
date	Mon, 23 Oct 2000 17:10:57 +0000
parents	6ed91473a1cd
children	9b55e9c69693

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 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	8 //####COPYRIGHTBEGIN####
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 32 diff changeset	9 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 32 diff changeset	10 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 32 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: 32 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: 32 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: 32 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: 32 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: 32 diff changeset	19 // the License.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 32 diff changeset	20 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 32 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: 32 diff changeset	22 // released September 30, 1998.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 32 diff changeset	23 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 32 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: 32 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: 32 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: 32 diff changeset	27 // All Rights Reserved.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 32 diff changeset	28 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 32 diff changeset	29 //
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	30 //####COPYRIGHTEND####
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	31 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	32 //#####DESCRIPTIONBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	33 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	34 // Author(s): nickg
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	35 // Contributors: nickg, jlarmour, dmoseley
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	36 // Date: 1999-02-18
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	37 // Purpose: HAL miscellaneous functions
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	38 // Description: This file contains miscellaneous functions provided by the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	39 // HAL.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	40 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	41 //####DESCRIPTIONEND####
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 //========================================================================*/
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	44
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	45 #include <pkgconf/hal.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	46
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	47 #include <cyg/infra/cyg_type.h>
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	48 #include <cyg/infra/cyg_trac.h>
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 #include <cyg/hal/hal_arch.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	51
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	52 #include <cyg/hal/hal_intr.h>
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 <cyg/hal/hal_cache.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	55
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	56 #if 0
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	57 void trace( CYG_ADDRWORD tag, CYG_ADDRWORD a1, CYG_ADDRWORD a2)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	58 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	59 CYG_ADDRWORD pp = (CYG_ADDRWORD )0x48100000;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	60 CYG_ADDRWORD ix = (CYG_ADDRWORD )0x4810000C;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	61 CYG_ADDRWORD p = pp;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	62 *p++ = tag;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	63 ix = ix + 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	64 p++ = ix;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	65 *p++ = a1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	66 *p++ = a2;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	67 *pp = p;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	68 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	69 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	70
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	71 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	72
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	73 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	74 cyg_bool cyg_hal_stop_constructors;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	75 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	76
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	77 void
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	78 cyg_hal_invoke_constructors(void)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	79 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	80 typedef void (*pfunc) (void);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	81 extern pfunc _CTOR_LIST__[];
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	82 extern pfunc _CTOR_END__[];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	83
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	84 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	85 static pfunc *p = &_CTOR_END__[-1];
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	86
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	87 cyg_hal_stop_constructors = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	88 for (; p >= _CTOR_LIST__; p--) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	89 (*p) ();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	90 if (cyg_hal_stop_constructors) {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	91 p--;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	92 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	93 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	94 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	95 #else
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	96 pfunc *p;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	97
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	98 for (p = &_CTOR_END__[-1]; p >= _CTOR_LIST__; p--)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	99 (*p) ();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	100 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	101
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	102 } // cyg_hal_invoke_constructors()
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	103
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	104 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	105 /* Determine the index of the ls bit of the supplied mask. */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	106
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	107 cyg_uint32
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	108 hal_lsbit_index(cyg_uint32 mask)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	109 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	110 cyg_uint32 n = mask;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	111
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	112 static const signed char tab[64] =
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	113 { -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	114 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	115 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	116 0, 23, 0, 19, 29, 0, 22, 18, 28, 17, 16, 0
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	117 };
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	118
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	119 n &= ~(n-1UL);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	120 n = (n<<16)-n;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	121 n = (n<<6)+n;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	122 n = (n<<4)+n;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	123
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	124 return tab[n>>26];
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	125 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	126
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	127 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	128 /* Determine the index of the ms bit of the supplied mask. */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	129
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	130 cyg_uint32
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	131 hal_msbit_index(cyg_uint32 mask)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	132 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	133 cyg_uint32 x = mask;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	134 cyg_uint32 w;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	135
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	136 /* 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	137 x \|= x >> 16;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	138 x \|= x >> 8;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	139 x \|= x >> 4;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	140 x \|= x >> 2;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	141 x \|= x >> 1;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	142
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	143 /* Phase 2: calculate number of "1" bits in the word */
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	144 w = (x & 0x55555555) + ((x >> 1) & 0x55555555);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	145 w = (w & 0x33333333) + ((w >> 2) & 0x33333333);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	146 w = w + (w >> 4);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	147 w = (w & 0x000F000F) + ((w >> 8) & 0x000F000F);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	148 return (cyg_uint32)((w + (w >> 16)) & 0xFF);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	149
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	150 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	151
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	152 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	153 /* First level C exception handler. */
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	154
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	155 externC void __handle_exception (void);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	156
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	157 externC HAL_SavedRegisters *_hal_registers;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	158
130 eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 115 diff changeset	159 externC void* volatile __mem_fault_handler;
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	160
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	161 externC cyg_uint32
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	162 cyg_hal_exception_handler(HAL_SavedRegisters *regs, CYG_WORD32 isr)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	163 {
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	164 CYG_WORD vector = regs->vector;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	165
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	166 #if defined(CYGNUM_HAL_EXCEPTION_SYSTEM_ERROR) && defined(CYGNUM_HAL_EXCEPTION_JTAG)
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	167 if( vector == CYGNUM_HAL_EXCEPTION_SYSTEM_ERROR )
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	168 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	169 // Translate vector number via ISR bits into the full
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	170 // set.
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	171 vector = CYGNUM_HAL_EXCEPTION_JTAG+hal_lsbit_index( isr );
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	172
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	173 regs->vector = vector;
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	174 }
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	175 #endif
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	176
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	177 #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	178
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	179 // If we caught an exception inside the stubs, see if we were expecting it
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	180 // and if so jump to the saved address
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	181 if (__mem_fault_handler) {
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	182 regs->pc = (CYG_ADDRWORD)__mem_fault_handler;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	183 return 0; // Caught an exception inside stubs
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	184 }
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	185
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	186 // Set the pointer to the registers of the current exception
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	187 // context. At entry the GDB stub will expand the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	188 // HAL_SavedRegisters structure into a (bigger) register array.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	189 _hal_registers = regs;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	190
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	191 __handle_exception();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	192
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	193 #elif defined(CYGFUN_HAL_COMMON_KERNEL_SUPPORT)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	194
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: 30 diff changeset	195 if( vector == CYGNUM_HAL_EXCEPTION_WATCHDOG )
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	196 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	197 // Special case the watchdog timer exception, look for an
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	198 // ISR for it and call it if present. Otherwise pass on to
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	199 // the exception system.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	200
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	201 cyg_uint32 (*isr)(CYG_ADDRWORD,CYG_ADDRWORD);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	202 cyg_uint32 index;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	203
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	204 HAL_TRANSLATE_VECTOR( CYGNUM_HAL_INTERRUPT_WATCHDOG, index );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	205
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	206 isr = (cyg_uint32 (*)(CYG_ADDRWORD,CYG_ADDRWORD))
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	207 (hal_interrupt_handlers[index]);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	208
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	209 if( isr != 0 )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	210 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	211 isr(CYGNUM_HAL_INTERRUPT_WATCHDOG,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	212 hal_interrupt_data[CYGNUM_HAL_INTERRUPT_WATCHDOG]
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	213 );
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	214 return 0;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	215 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	216 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	217
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	218 #if defined(CYGPKG_HAL_EXCEPTIONS)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	219
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	220 // We should decode the vector and pass a more appropriate
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	221 // value as the second argument. For now we simply pass a
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	222 // pointer to the saved registers. We should also divert
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	223 // breakpoint and other debug vectors into the debug stubs.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	224
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	225 cyg_hal_deliver_exception( vector, (CYG_ADDRWORD)regs );
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	226
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	227 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	228
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	229 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	230
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	231 return 0;
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	232 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	233
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	234 /------------------------------------------------------------------------/
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	235 /* default ISR */
14 01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST jlarmour parents: 2 diff changeset	236
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	237 #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	238 externC cyg_uint32 hal_default_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data)
14 01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST jlarmour parents: 2 diff changeset	239 {
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	240 #if defined(CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT) && \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	241 defined(CYGHWR_HAL_GDB_PORT_VECTOR) && \
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	242 defined(HAL_CTRLC_ISR)
14 01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST jlarmour parents: 2 diff changeset	243
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	244 #ifndef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	245 if( vector == CYGHWR_HAL_GDB_PORT_VECTOR )
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	246 #endif
14 01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST jlarmour parents: 2 diff changeset	247 {
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	248 cyg_uint32 result = HAL_CTRLC_ISR( vector, data );
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	249 if( result != 0 ) return result;
14 01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST jlarmour parents: 2 diff changeset	250 }
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	251
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	252 #endif
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	253
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	254 CYG_TRACE1(true, "Interrupt: %d", vector);
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	255 CYG_FAIL("Spurious Interrupt!!!");
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	256 return 0;
14 01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST jlarmour parents: 2 diff changeset	257 }
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	258
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	259 #else // CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	260
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	261 #include <cyg/hal/plf_io.h>
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	262 externC cyg_uint32 hal_arch_default_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data)
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	263 {
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	264 #if defined(CYGDBG_HAL_MN10300_DEBUG_GDB_CTRLC_SUPPORT) && \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	265 defined(CYGHWR_HAL_GDB_PORT_VECTOR) && \
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	266 defined(HAL_CTRLC_ISR)
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	267
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	268 #if defined(CYGSEM_HAL_USE_ROM_MONITOR_CygMon)
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	269 #if defined(HAL_DIAG_IRQ_CHECK)
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	270 {
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	271 cyg_uint32 ret;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	272 /* let ROM monitor handle unexpected interrupts */
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	273 HAL_DIAG_IRQ_CHECK(vector, ret);
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	274 if (ret<=0)
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	275 return ret;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	276 }
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	277 #endif // def HAL_DIAG_IRQ_CHECK
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	278 #endif // def CYGSEM_HAL_USE_ROM_MONITOR_CygMon
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	279 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	280
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	281 return 0;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	282 }
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	283 #endif
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	284
30 641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	285 /------------------------------------------------------------------------/
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	286 /* Idle thread activity. */
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	287
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	288 externC void hal_idle_thread_action(cyg_uint32 loop_count)
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	289 {
641b639be825 Merge from eCos master repository on 1999-08-16-22:01:37-BST jlarmour parents: 14 diff changeset	290 }
14 01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST jlarmour parents: 2 diff changeset	291
01ce82f3e11a Merge from eCos master repository on 1999-06-11-17:05:41-BST jlarmour parents: 2 diff changeset	292 /------------------------------------------------------------------------/
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	293 /* End of hal_misc.c */

Mercurial > ecos-v3_0-branch

annotate packages/hal/mn10300/arch/current/src/hal_misc.c @ 130:eb9fd8c04db3 ecos-sw-2000-10-23