ecos: packages/hal/arm/arch/current/include/hal

annotate packages/hal/arm/arch/current/include/hal_arch.h @ 3292:7f8e529b4d82 default tip

Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.

author	vae
date	Wed, 29 Apr 2015 23:31:48 +0000
parents	afb59e9b7339
children

rev	line source
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1 #ifndef CYGONCE_HAL_ARCH_H
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	2 #define CYGONCE_HAL_ARCH_H
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	3
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	4 //==========================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	5 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	6 // hal_arch.h
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	7 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	8 // Architecture specific abstractions
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	9 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	10 //==========================================================================
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	11 // ####ECOSGPLCOPYRIGHTBEGIN####
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	12 // -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	13 // This file is part of eCos, the Embedded Configurable Operating System.
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	14 // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	15 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	16 // eCos is free software; you can redistribute it and/or modify it under
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	17 // the terms of the GNU General Public License as published by the Free
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	18 // Software Foundation; either version 2 or (at your option) any later
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	19 // version.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	20 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	21 // eCos is distributed in the hope that it will be useful, but WITHOUT
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	22 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	23 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	24 // for more details.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	25 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	26 // You should have received a copy of the GNU General Public License
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	27 // along with eCos; if not, write to the Free Software Foundation, Inc.,
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	28 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	29 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	30 // As a special exception, if other files instantiate templates or use
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	31 // macros or inline functions from this file, or you compile this file
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	32 // and link it with other works to produce a work based on this file,
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	33 // this file does not by itself cause the resulting work to be covered by
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	34 // the GNU General Public License. However the source code for this file
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	35 // must still be made available in accordance with section (3) of the GNU
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	36 // General Public License v2.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	37 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	38 // This exception does not invalidate any other reasons why a work based
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	39 // on this file might be covered by the GNU General Public License.
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	40 // -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 2594 diff changeset	41 // ####ECOSGPLCOPYRIGHTEND####
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	42 //==========================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	43 //#####DESCRIPTIONBEGIN####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	44 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	45 // Author(s): nickg, gthomas
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	46 // Contributors: nickg, gthomas
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	47 // Date: 1999-02-20
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	48 // Purpose: Define architecture abstractions
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	49 // Usage: #include <cyg/hal/hal_arch.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	50
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	51 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	52 //####DESCRIPTIONEND####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	53 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	54 //==========================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	55
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	56 #include <pkgconf/hal.h> // To decide on stack usage
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	57 #include <cyg/infra/cyg_type.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	58
1073 d5ff69833fad * include/hal_arch.h: Include plf_arch.h or var_arch.h if platform jlarmour parents: 1002 diff changeset	59 #ifdef CYGBLD_HAL_ARM_PLF_ARCH_H
d5ff69833fad * include/hal_arch.h: Include plf_arch.h or var_arch.h if platform jlarmour parents: 1002 diff changeset	60 #include <cyg/hal/plf_arch.h>
d5ff69833fad * include/hal_arch.h: Include plf_arch.h or var_arch.h if platform jlarmour parents: 1002 diff changeset	61 #endif
d5ff69833fad * include/hal_arch.h: Include plf_arch.h or var_arch.h if platform jlarmour parents: 1002 diff changeset	62
d5ff69833fad * include/hal_arch.h: Include plf_arch.h or var_arch.h if platform jlarmour parents: 1002 diff changeset	63 #ifdef CYGBLD_HAL_ARM_VAR_ARCH_H
d5ff69833fad * include/hal_arch.h: Include plf_arch.h or var_arch.h if platform jlarmour parents: 1002 diff changeset	64 #include <cyg/hal/var_arch.h>
d5ff69833fad * include/hal_arch.h: Include plf_arch.h or var_arch.h if platform jlarmour parents: 1002 diff changeset	65 #endif
d5ff69833fad * include/hal_arch.h: Include plf_arch.h or var_arch.h if platform jlarmour parents: 1002 diff changeset	66
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	67 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	68 // CPSR Register defines
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	69 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	70
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	71 #define CPSR_IRQ_DISABLE 0x80 // IRQ disabled when =1
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	72 #define CPSR_FIQ_DISABLE 0x40 // FIQ disabled when =1
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	73 #define CPSR_THUMB_ENABLE 0x20 // Thumb mode when =1
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 304 diff changeset	74 #define CPSR_USER_MODE 0x10
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	75 #define CPSR_FIQ_MODE 0x11
1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	76 #define CPSR_IRQ_MODE 0x12
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	77 #define CPSR_SUPERVISOR_MODE 0x13
4 1d7f19c9e4d1 Merge from eCos master repository on 1999-05-11-21:11:10-BST jlarmour parents: 2 diff changeset	78 #define CPSR_UNDEF_MODE 0x1B
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	79
2594 4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	80 // The following are not supported by every CPU, but if
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	81 // they are, they have the following values:
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	82 #define CPSR_ICACHE_ENABLE 0x1000
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	83 #define CPSR_BIG_ENDIAN 0x80
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	84 #define CPSR_DCACHE_ENABLE 0x4
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	85 #define CPSR_ALIGN_FAULT_ENABLE 0x2
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	86 #define CPSR_MMU_ENABLE 0x1
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	87
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	88 #define CPSR_MODE_BITS 0x1F
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	89
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	90 #define CPSR_INITIAL (CPSR_IRQ_DISABLE\|CPSR_FIQ_DISABLE\|CPSR_SUPERVISOR_MODE)
3173 afb59e9b7339 * cdl/hal_arm.cdl: Add CDL to control whether both IRQs and FIQs nickg parents: 2729 diff changeset	91 #ifdef CYGOPT_HAL_ARM_FIQ_DISABLE
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	92 #define CPSR_THREAD_INITIAL (CPSR_SUPERVISOR_MODE)
3173 afb59e9b7339 * cdl/hal_arm.cdl: Add CDL to control whether both IRQs and FIQs nickg parents: 2729 diff changeset	93 #else
afb59e9b7339 * cdl/hal_arm.cdl: Add CDL to control whether both IRQs and FIQs nickg parents: 2729 diff changeset	94 #define CPSR_THREAD_INITIAL (CPSR_SUPERVISOR_MODE\|CPSR_FIQ_DISABLE)
afb59e9b7339 * cdl/hal_arm.cdl: Add CDL to control whether both IRQs and FIQs nickg parents: 2729 diff changeset	95 #endif
2594 4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	96 //
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	97 // Vector table offsets
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	98 //
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	99
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	100 #define HAL_ARM_RESET_VECTOR 0x00
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	101 #define HAL_ARM_UNDEFINED_VECTOR 0x04
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	102 #define HAL_ARM_SWI_VECTOR 0x08
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	103 #define HAL_ARM_PREFETCH_VECTOR 0x0C
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	104 #define HAL_ARM_ABORT_VECTOR 0x10
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	105 #define HAL_ARM_RESERVED_VECTOR 0x14
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	106 #define HAL_ARM_IRQ_VECTOR 0x18
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	107 #define HAL_ARM_FIQ_VECTOR 0x1C
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	108 #define HAL_ARM_RESET_VECTOR_ADDR 0x20
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	109 #define HAL_ARM_UNDEFINED_VECTOR_ADDR 0x24
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	110 #define HAL_ARM_SWI_VECTOR_ADDR 0x28
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	111 #define HAL_ARM_PREFETCH_VECTOR_ADDR 0x2C
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	112 #define HAL_ARM_ABORT_VECTOR_ADDR 0x30
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	113 #define HAL_ARM_RESERVED_VECTOR_ADDR 0x34
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	114 #define HAL_ARM_IRQ_VECTOR_ADDR 0x38
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	115 #define HAL_ARM_FIQ_VECTOR_ADDR 0x3C
4ca9d5dac8b0 * src/arm.ld: Discard C++ EH-related sections when we can't jlarmour parents: 1073 diff changeset	116
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	117 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	118 // Processor saved states:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	119 // The layout of this structure is also defined in "arm.inc", for assembly
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	120 // code, which will be generated automatically if this file changes.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	121
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	122 #define HAL_THREAD_CONTEXT_FIRST 0
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	123 #define HAL_THREAD_CONTEXT_R0 (0-HAL_THREAD_CONTEXT_FIRST)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	124 #define HAL_THREAD_CONTEXT_R4 (4-HAL_THREAD_CONTEXT_FIRST)
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	125 #define HAL_THREAD_CONTEXT_R8 (8-HAL_THREAD_CONTEXT_FIRST)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	126 #define HAL_THREAD_CONTEXT_R9 (9-HAL_THREAD_CONTEXT_FIRST)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	127 #define HAL_THREAD_CONTEXT_R10 (10-HAL_THREAD_CONTEXT_FIRST)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	128 #define HAL_THREAD_CONTEXT_LAST 10
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	129 #define HAL_NUM_THREAD_CONTEXT_REGS (HAL_THREAD_CONTEXT_LAST - \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	130 HAL_THREAD_CONTEXT_FIRST+1)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	131
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	132 // It seems that r0-r3,r12 are considered scratch by function calls
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	133
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	134 typedef struct
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	135 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	136 // These are common to all saved states
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	137 cyg_uint32 d[HAL_NUM_THREAD_CONTEXT_REGS] ; // Data regs (r0..r10)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	138 cyg_uint32 fp; // (r11) Frame pointer
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	139 cyg_uint32 ip; // (r12)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	140 cyg_uint32 sp; // (r13) Stack pointer
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	141 cyg_uint32 lr; // (r14) Link Reg
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	142 cyg_uint32 pc; // (r15) PC place holder
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	143 // (never used)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	144 cyg_uint32 cpsr; // Condition Reg
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	145 // These are only saved for exceptions and interrupts
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	146 cyg_uint32 vector; // Vector number
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	147 cyg_uint32 svc_lr; // saved svc mode lr
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	148 cyg_uint32 svc_sp; // saved svc mode sp
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	149
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	150 } HAL_SavedRegisters;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	151
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	152 //-------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	153 // Exception handling function.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	154 // This function is defined by the kernel according to this prototype. It is
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	155 // invoked from the HAL to deal with any CPU exceptions that the HAL does
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	156 // not want to deal with itself. It usually invokes the kernel's exception
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	157 // delivery mechanism.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	158
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	159 externC void cyg_hal_deliver_exception( CYG_WORD code, CYG_ADDRWORD data );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	160
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	161 //-------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	162 // Bit manipulation macros
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	163
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	164 externC int hal_lsbindex(int);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	165 externC int hal_msbindex(int);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	166
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	167 #define HAL_LSBIT_INDEX(index, mask) index = hal_lsbindex(mask)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	168 #define HAL_MSBIT_INDEX(index, mask) index = hal_msbindex(mask)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	169
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	170 //-------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	171 // Context Initialization
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	172 // Initialize the context of a thread.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	173 // Arguments:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	174 // _sparg_ name of variable containing current sp, will be changed to new sp
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	175 // _thread_ thread object address, passed as argument to entry point
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	176 // _entry_ entry point address.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	177 // _id_ bit pattern used in initializing registers, for debugging.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	178
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	179 #define HAL_THREAD_INIT_CONTEXT( _sparg_, _thread_, _entry_, _id_ ) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	180 CYG_MACRO_START \
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 4 diff changeset	181 register CYG_WORD _sp_ = ((CYG_WORD)_sparg_) &~15; \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	182 register HAL_SavedRegisters *_regs_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	183 int _i_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	184 _regs_ = (HAL_SavedRegisters *)((_sp_) - sizeof(HAL_SavedRegisters)); \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	185 for( _i_ = HAL_THREAD_CONTEXT_FIRST; _i_ <= HAL_THREAD_CONTEXT_LAST; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	186 _i_++ ) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	187 (_regs_)->d[_i_] = (_id_)\|_i_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	188 (_regs_)->d[00] = (CYG_WORD)(_thread_); /* R0 = arg1 = thread ptr */ \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	189 (_regs_)->sp = (CYG_WORD)(_sp_); /* SP = top of stack */ \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	190 (_regs_)->lr = (CYG_WORD)(_entry_); /* LR = entry point */ \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	191 (_regs_)->pc = (CYG_WORD)(_entry_); /* PC = [initial] entry point */\
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	192 (_regs_)->cpsr = (CPSR_THREAD_INITIAL); /* PSR = Interrupt enabled */ \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	193 _sparg_ = (CYG_ADDRESS)_regs_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	194 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	195
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	196 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	197 // Context switch macros.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	198 // The arguments are pointers to locations where the stack pointer
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	199 // of the current thread is to be stored, and from where the sp of the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	200 // next thread is to be fetched.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	201
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	202 externC void hal_thread_switch_context( CYG_ADDRESS to, CYG_ADDRESS from );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	203 externC void hal_thread_load_context( CYG_ADDRESS to )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	204 __attribute__ ((noreturn));
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	205
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	206 #define HAL_THREAD_SWITCH_CONTEXT(_fspptr_,_tspptr_) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	207 hal_thread_switch_context((CYG_ADDRESS)_tspptr_, \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	208 (CYG_ADDRESS)_fspptr_);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	209
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	210 #define HAL_THREAD_LOAD_CONTEXT(_tspptr_) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	211 hal_thread_load_context( (CYG_ADDRESS)_tspptr_ );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	212
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	213 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	214 // Execution reorder barrier.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	215 // When optimizing the compiler can reorder code. In multithreaded systems
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	216 // where the order of actions is vital, this can sometimes cause problems.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	217 // This macro may be inserted into places where reordering should not happen.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	218
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	219 #define HAL_REORDER_BARRIER() asm volatile ( "" : : : "memory" )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	220
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	221 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	222 // Breakpoint support
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	223 // HAL_BREAKPOINT() is a code sequence that will cause a breakpoint to happen
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	224 // if executed.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	225 // HAL_BREAKINST is the value of the breakpoint instruction and
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	226 // HAL_BREAKINST_SIZE is its size in bytes.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	227
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	228 #define _stringify1(__arg) #__arg
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	229 #define _stringify(__arg) _stringify1(__arg)
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	230
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	231 #define HAL_BREAKINST_ARM 0xE7FFDEFE
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	232 #define HAL_BREAKINST_ARM_SIZE 4
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	233 #define HAL_BREAKINST_THUMB 0xbebe // illegal instruction currently
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	234 #define HAL_BREAKINST_THUMB_SIZE 2
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	235
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	236 #ifdef __thumb__
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	237
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	238 # define HAL_BREAKPOINT(_label_) \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	239 asm volatile (" .code 16;" \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	240 " .globl " #_label_ ";" \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	241 #_label_":" \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	242 " .short " _stringify(HAL_BREAKINST_THUMB) \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	243 );
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	244
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	245 # define HAL_BREAKINST HAL_BREAKINST_THUMB
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	246 # define HAL_BREAKINST_SIZE HAL_BREAKINST_THUMB_SIZE
132 0ae0bc38e387 Merge from eCos master repository on 2000-10-31-00:30:36-GMT jlarmour parents: 115 diff changeset	247 # define HAL_BREAKINST_TYPE cyg_uint16
80 2085233a121a Merge from eCos master repository on 2000-04-07-07:52:29-BST jlarmour parents: 78 diff changeset	248 #else // __thumb__
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	249
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	250 #define HAL_BREAKPOINT(_label_) \
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	251 asm volatile (" .globl " #_label_ ";" \
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	252 #_label_":" \
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	253 " .word " _stringify(HAL_BREAKINST_ARM) \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	254 );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	255
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	256 //#define HAL_BREAKINST {0xFE, 0xDE, 0xFF, 0xE7}
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	257 #define HAL_BREAKINST HAL_BREAKINST_ARM
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 38 diff changeset	258 #define HAL_BREAKINST_SIZE HAL_BREAKINST_ARM_SIZE
132 0ae0bc38e387 Merge from eCos master repository on 2000-10-31-00:30:36-GMT jlarmour parents: 115 diff changeset	259 #define HAL_BREAKINST_TYPE cyg_uint32
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 66 diff changeset	260 #endif // __thumb__
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	261
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 132 diff changeset	262
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 132 diff changeset	263 extern cyg_uint32 __arm_breakinst;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 132 diff changeset	264 extern cyg_uint16 __thumb_breakinst;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 132 diff changeset	265 #define HAL_BREAKINST_ADDR(x) (((x)==2)? \
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 132 diff changeset	266 ((void*)&__thumb_breakinst) : \
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 132 diff changeset	267 ((void*)&__arm_breakinst))
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 132 diff changeset	268
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	269 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	270 // Thread register state manipulation for GDB support.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	271
304 e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	272 // Register layout expected by GDB
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	273 typedef struct
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	274 {
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	275 cyg_uint32 gpr[16];
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	276 cyg_uint32 f0[3];
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	277 cyg_uint32 f1[3];
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	278 cyg_uint32 f2[3];
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	279 cyg_uint32 f3[3];
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	280 cyg_uint32 f4[3];
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	281 cyg_uint32 f5[3];
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	282 cyg_uint32 f6[3];
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	283 cyg_uint32 f7[3];
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	284 cyg_uint32 fps;
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	285 cyg_uint32 ps;
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	286 } GDB_Registers;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	287
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	288 // Translate a stack pointer as saved by the thread context macros above into
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	289 // a pointer to a HAL_SavedRegisters structure.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	290 #define HAL_THREAD_GET_SAVED_REGISTERS( _sp_, _regs_ ) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	291 (_regs_) = (HAL_SavedRegisters *)(_sp_)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	292
304 e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	293 // Copy a set of coprocessor registers from a HAL_SavedRegisters structure
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	294 // into a GDB_Registers structure. GDB expects placeholders for FP regs
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	295 // even for non-FP targets, so we just zero fill the fields.
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	296 #define HAL_GET_GDB_COPROCESSOR_REGISTERS( _gdb_, _regs_ ) \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	297 CYG_MACRO_START \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	298 cyg_uint32 *_p_ = _gdb_->f0; \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	299 for(_i_ = 0; _i_ < (8 * 3); _i_++) \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	300 *_p_++ = 0; \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	301 _gdb_->fps = 0; \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	302 CYG_MACRO_END
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	303
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	304 // Copy coprocessor registers from a GDB_Registers structure into a
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	305 // HAL_SavedRegisters structure.
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	306 #define HAL_SET_GDB_COPROCESSOR_REGISTERS( _regs_, _gdb_ )
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	307
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	308 // Copy a set of registers from a HAL_SavedRegisters structure into a
304 e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	309 // GDB_Registers structure.
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	310 #define HAL_GET_GDB_REGISTERS( _aregval_, _regs_ ) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	311 CYG_MACRO_START \
304 e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	312 GDB_Registers _gdb_ = (GDB_Registers )(_aregval_); \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	313 int _i_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	314 \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	315 for( _i_ = 0; _i_ <= 10; _i_++ ) \
304 e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	316 _gdb_->gpr[_i_] = (_regs_)->d[_i_]; \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	317 \
304 e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	318 _gdb_->gpr[11] = (_regs_)->fp; \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	319 _gdb_->gpr[12] = (_regs_)->ip; \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	320 _gdb_->gpr[13] = (_regs_)->sp; \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	321 _gdb_->gpr[14] = (_regs_)->lr; \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	322 _gdb_->gpr[15] = (_regs_)->pc; \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	323 _gdb_->ps = (_regs_)->cpsr; \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	324 HAL_GET_GDB_COPROCESSOR_REGISTERS(_gdb_,_regs_); \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	325 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	326
304 e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	327 // Copy a set of registers from a GDB_Registers structure into a
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	328 // HAL_SavedRegisters structure.
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	329 #define HAL_SET_GDB_REGISTERS( _regs_ , _aregval_ ) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	330 CYG_MACRO_START \
304 e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	331 GDB_Registers _gdb_ = (GDB_Registers )(_aregval_); \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	332 int _i_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	333 \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	334 for( _i_ = 0; _i_ <= 10; _i_++ ) \
304 e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	335 (_regs_)->d[_i_] = _gdb_->gpr[_i_]; \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	336 \
304 e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	337 (_regs_)->fp = _gdb_->gpr[11]; \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	338 (_regs_)->ip = _gdb_->gpr[12]; \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	339 (_regs_)->sp = _gdb_->gpr[13]; \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	340 (_regs_)->lr = _gdb_->gpr[14]; \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	341 (_regs_)->pc = _gdb_->gpr[15]; \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	342 (_regs_)->cpsr = _gdb_->ps; \
e206cd7d2ed1 Fix coprocessor register handling in ARM stub. msalter parents: 210 diff changeset	343 HAL_SET_GDB_COPROCESSOR_REGISTERS(_regs_,_gdb_); \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	344 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	345
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	346 #if defined(CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT) \|\| defined(CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	347 #define HAL_GET_PROFILE_INFO( _thepc_, _thesp_ ) \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	348 CYG_MACRO_START \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	349 extern HAL_SavedRegisters *hal_saved_interrupt_state; \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	350 if ( hal_saved_interrupt_state ) { \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	351 (_thepc_) = (char *)(hal_saved_interrupt_state->pc); \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	352 (_thesp_) = (char *)(hal_saved_interrupt_state->sp); \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	353 } \
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	354 CYG_MACRO_END
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	355 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	356
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	357 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	358 // HAL setjmp
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	359
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	360 #define CYGARC_JMP_BUF_SIZE 16 // Actually 11, but some room left over
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	361
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	362 typedef cyg_uint32 hal_jmp_buf[CYGARC_JMP_BUF_SIZE];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	363
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	364 externC int hal_setjmp(hal_jmp_buf env);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	365 externC void hal_longjmp(hal_jmp_buf env, int val);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	366
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	367
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	368 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	369 // Idle thread code.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	370 // This macro is called in the idle thread loop, and gives the HAL the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	371 // chance to insert code. Typical idle thread behaviour might be to halt the
1073 d5ff69833fad * include/hal_arch.h: Include plf_arch.h or var_arch.h if platform jlarmour parents: 1002 diff changeset	372 // processor. Here we only supply a default fallback if the variant/platform
d5ff69833fad * include/hal_arch.h: Include plf_arch.h or var_arch.h if platform jlarmour parents: 1002 diff changeset	373 // doesn't define anything.
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	374
1073 d5ff69833fad * include/hal_arch.h: Include plf_arch.h or var_arch.h if platform jlarmour parents: 1002 diff changeset	375 #ifndef HAL_IDLE_THREAD_ACTION
d5ff69833fad * include/hal_arch.h: Include plf_arch.h or var_arch.h if platform jlarmour parents: 1002 diff changeset	376 #define HAL_IDLE_THREAD_ACTION(_count_) CYG_EMPTY_STATEMENT
d5ff69833fad * include/hal_arch.h: Include plf_arch.h or var_arch.h if platform jlarmour parents: 1002 diff changeset	377 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	378
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	379 //---------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	380
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	381 // Minimal and sensible stack sizes: the intention is that applications
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	382 // will use these to provide a stack size in the first instance prior to
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	383 // proper analysis. Idle thread stack should be this big.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	384
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	385 // THESE ARE NOT INTENDED TO BE MICROMETRICALLY ACCURATE FIGURES.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	386 // THEY ARE HOWEVER ENOUGH TO START PROGRAMMING.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	387 // YOU MUST MAKE YOUR STACKS LARGER IF YOU HAVE LARGE "AUTO" VARIABLES!
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	388
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	389 // This is not a config option because it should not be adjusted except
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	390 // under "enough rope" sort of disclaimers.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	391
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	392 // A minimal, optimized stack frame, rounded up - no autos
78 59d97b6ba612 Merge from eCos master repository on 2000-03-28-19:50:47-BST jlarmour parents: 76 diff changeset	393 #define CYGNUM_HAL_STACK_FRAME_SIZE (4 * 20)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	394
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	395 // Stack needed for a context switch: this is implicit in the estimate for
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	396 // interrupts so not explicitly used below:
78 59d97b6ba612 Merge from eCos master repository on 2000-03-28-19:50:47-BST jlarmour parents: 76 diff changeset	397 #define CYGNUM_HAL_STACK_CONTEXT_SIZE (4 * 20)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	398
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	399 // Interrupt + call to ISR, interrupt_end() and the DSR
78 59d97b6ba612 Merge from eCos master repository on 2000-03-28-19:50:47-BST jlarmour parents: 76 diff changeset	400 #define CYGNUM_HAL_STACK_INTERRUPT_SIZE \
59d97b6ba612 Merge from eCos master repository on 2000-03-28-19:50:47-BST jlarmour parents: 76 diff changeset	401 ((4 * 20) + 2 * CYGNUM_HAL_STACK_FRAME_SIZE)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	402
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	403 // Space for the maximum number of nested interrupts, plus room to call functions
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	404 #define CYGNUM_HAL_MAX_INTERRUPT_NESTING 4
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	405
78 59d97b6ba612 Merge from eCos master repository on 2000-03-28-19:50:47-BST jlarmour parents: 76 diff changeset	406 #define CYGNUM_HAL_STACK_SIZE_MINIMUM \
59d97b6ba612 Merge from eCos master repository on 2000-03-28-19:50:47-BST jlarmour parents: 76 diff changeset	407 (CYGNUM_HAL_MAX_INTERRUPT_NESTING * CYGNUM_HAL_STACK_INTERRUPT_SIZE + \
59d97b6ba612 Merge from eCos master repository on 2000-03-28-19:50:47-BST jlarmour parents: 76 diff changeset	408 2 * CYGNUM_HAL_STACK_FRAME_SIZE)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	409
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	410 #define CYGNUM_HAL_STACK_SIZE_TYPICAL \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	411 (CYGNUM_HAL_STACK_SIZE_MINIMUM + \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	412 16 * CYGNUM_HAL_STACK_FRAME_SIZE)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	413
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 80 diff changeset	414 //--------------------------------------------------------------------------
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 80 diff changeset	415 // Macros for switching context between two eCos instances (jump from
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 80 diff changeset	416 // code in ROM to code in RAM or vice versa).
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 80 diff changeset	417 #define CYGARC_HAL_SAVE_GP()
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 80 diff changeset	418 #define CYGARC_HAL_RESTORE_GP()
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 80 diff changeset	419
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	420 #endif // CYGONCE_HAL_ARCH_H
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	421 // End of hal_arch.h

Mercurial > ecos

annotate packages/hal/arm/arch/current/include/hal_arch.h @ 3292:7f8e529b4d82 default tip