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comparison packages/hal/arm/arch/current/src/arm.ld @ 66:bf00f99aec69 ecos-sw-2000-02-02

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Merge from eCos master repository on 2000-02-02-19:16:44-GMT
author jlarmour
date Wed, 02 Feb 2000 19:57:02 +0000
parents c38311975d4f
children 435cced73e2f
comparison
equal deleted inserted replaced
65:b4822dd69c33 66:bf00f99aec69
6 //============================================================================= 6 //=============================================================================
7 //####COPYRIGHTBEGIN#### 7 //####COPYRIGHTBEGIN####
8 // 8 //
9 // ------------------------------------------- 9 // -------------------------------------------
10 // The contents of this file are subject to the Red Hat eCos Public License 10 // The contents of this file are subject to the Red Hat eCos Public License
11 // Version 1.0 (the "License"); you may not use this file except in 11 // Version 1.1 (the "License"); you may not use this file except in
12 // compliance with the License. You may obtain a copy of the License at 12 // compliance with the License. You may obtain a copy of the License at
13 // http://sourceware.cygnus.com/ecos 13 // http://www.redhat.com/
14 // 14 //
15 // Software distributed under the License is distributed on an 15 // Software distributed under the License is distributed on an "AS IS"
16 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the 16 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
17 // License for the specific language governing rights and limitations under 17 // License for the specific language governing rights and limitations under
18 // the License. 18 // the License.
19 // 19 //
20 // The Original Code is eCos - Embedded Configurable Operating System, 20 // The Original Code is eCos - Embedded Configurable Operating System,
28 // 28 //
29 //####COPYRIGHTEND#### 29 //####COPYRIGHTEND####
30 //============================================================================= 30 //=============================================================================
31 31
32 #include <pkgconf/system.h> 32 #include <pkgconf/system.h>
33
33 STARTUP(vectors.o) 34 STARTUP(vectors.o)
34 ENTRY(reset_vector) 35 ENTRY(reset_vector)
35 #ifdef EXTRAS 36 #ifdef EXTRAS
36 INPUT(extras.o) 37 INPUT(extras.o)
37 #endif 38 #endif
39 40
40 #if defined(__ARMEB__) 41 #if defined(__ARMEB__)
41 OUTPUT_FORMAT(elf32-bigarm) 42 OUTPUT_FORMAT(elf32-bigarm)
42 #endif 43 #endif
43 44
44 #if defined(CYG_HAL_STARTUP_STUBS) \ 45 #if defined(CYG_HAL_STARTUP_ROM) \
45 && defined(CYGPKG_HAL_ARM_PID) \ 46 && defined(CYGPKG_HAL_ARM_PID) \
46 && defined(__ARMEB__) 47 && defined(__ARMEB__)
47 // Note: This is only needed when the PID board is used in BE mode without 48 // Note: This is only needed when the PID board is used in BE mode without
48 // the proper ROM controller part. 49 // the proper ROM controller part.
49 // 50 //
50 // In big-endian mode, merge .RODATA sections into the .DATA section. This 51 // In big-endian mode, merge .RODATA sections into the .DATA section. This
51 // causes the data in these sections to be copied to RAM. When the CPU 52 // causes the data in these sections to be copied to RAM. When the CPU
52 // makes byte or halfword access to RAM, A0/A1 are modified correctly. 53 // makes byte or halfword access to RAM, A0/A1 are modified correctly.
53 // This does not happen on ROM access (unless the proper ROM controller 54 // This does not happen on ROM access (unless the proper ROM controller
54 // is used). 55 // is used).
55 // 56 //
56 // This is matched in the PID stubs.ldi file which does not use the
57 // RODATA macros.
58 #define MERGE_IN_RODATA *(.rodata*) 57 #define MERGE_IN_RODATA *(.rodata*)
58 #define CYGPRI_PID_BE_WORKAROUND
59 #else 59 #else
60 // Keep RODATA in separate sections. 60 // Keep RODATA in separate sections.
61 #define MERGE_IN_RODATA 61 #define MERGE_IN_RODATA
62 #undef CYGPRI_PID_BE_WORKAROUND
62 #endif 63 #endif
63 64
64 #define ALIGN_LMA 4 65 #define ALIGN_LMA 4
65 #define FOLLOWING(_section_) AT ((LOADADDR (_section_) + SIZEOF (_section_) + ALIGN_LMA - 1) & ~ (ALIGN_LMA - 1)) 66 #define FOLLOWING(_section_) AT ((LOADADDR (_section_) + SIZEOF (_section_) + ALIGN_LMA - 1) & ~ (ALIGN_LMA - 1))
66 #define LMA_EQ_VMA 67 #define LMA_EQ_VMA
94 #define SECTION_fini(_region_, _vma_, _lma_) \ 95 #define SECTION_fini(_region_, _vma_, _lma_) \
95 .fini _vma_ : _lma_ \ 96 .fini _vma_ : _lma_ \
96 { FORCE_OUTPUT; *(.fini) } \ 97 { FORCE_OUTPUT; *(.fini) } \
97 > _region_ 98 > _region_
98 99
100 #if defined(CYGPRI_PID_BE_WORKAROUND)
101 #define SECTION_rodata(_region_, _vma_, _lma_)
102 #define SECTION_rodata1(_region_, _vma_, _lma_)
103 #else
99 #define SECTION_rodata(_region_, _vma_, _lma_) \ 104 #define SECTION_rodata(_region_, _vma_, _lma_) \
100 .rodata _vma_ : _lma_ \ 105 .rodata _vma_ : _lma_ \
101 { FORCE_OUTPUT; *(.rodata*) } \ 106 { FORCE_OUTPUT; *(.rodata*) } \
102 > _region_ 107 > _region_
103 108
104 #define SECTION_rodata1(_region_, _vma_, _lma_) \ 109 #define SECTION_rodata1(_region_, _vma_, _lma_) \
105 .rodata1 _vma_ : _lma_ \ 110 .rodata1 _vma_ : _lma_ \
106 { FORCE_OUTPUT; *(.rodata1) } \ 111 { FORCE_OUTPUT; *(.rodata1) } \
107 > _region_ 112 > _region_
113 #endif // CYGPRI_PID_BE_WORKAROUND
108 114
109 #define SECTION_fixup(_region_, _vma_, _lma_) \ 115 #define SECTION_fixup(_region_, _vma_, _lma_) \
110 .fixup _vma_ : _lma_ \ 116 .fixup _vma_ : _lma_ \
111 { FORCE_OUTPUT; *(.fixup) } \ 117 { FORCE_OUTPUT; *(.fixup) } \
112 > _region_ 118 > _region_