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annotate packages/hal/sh/arch/current/src/hal_mk_defs.c @ 134:d2f49caf9e38 ecos-sw-2000-11-03

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Merge from eCos master repository on 2000-11-03-09:00:49-GMT
author jlarmour
date Fri, 03 Nov 2000 21:17:40 +0000
parents 0c2b7be0d798
children 678094f34118
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1 //==========================================================================
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2 //
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3 // hal_mk_defs.c
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4 //
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5 // HAL (architecture) "make defs" program
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): gthomas
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35 // Contributors: gthomas, jskov
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36 // Date: 2000-02-21
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37 // Purpose: SH architecture dependent definition generator
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38 // Description: This file contains code that can be compiled by the target
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39 // compiler and used to generate machine specific definitions
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40 // suitable for use in assembly code.
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41 //
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42 //####DESCRIPTIONEND####
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43 //
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44 //==========================================================================
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45
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46 #include <pkgconf/hal.h>
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47
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48 #include <cyg/hal/hal_arch.h> // HAL header
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49 #include <cyg/hal/hal_intr.h> // HAL header
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50 #include <cyg/hal/hal_cache.h> // HAL header
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51 #ifdef CYGPKG_KERNEL
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52 # include <pkgconf/kernel.h>
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53 # include <cyg/kernel/instrmnt.h>
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54 #endif
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55
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56 /*
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57 * This program is used to generate definitions needed by
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58 * assembly language modules.
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59 *
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60 * This technique was first used in the OSF Mach kernel code:
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61 * generate asm statements containing #defines,
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62 * compile this file to assembler, and then extract the
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63 * #defines from the assembly-language output.
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64 */
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65
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66 #define DEFINE(sym, val) \
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67 asm volatile("\n\t.equ\t" #sym ",%0" : : "i" (val))
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68
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69 int
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70 main(void)
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71 {
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72 // setjmp/longjmp buffer
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73 DEFINE(CYGARC_JMPBUF_SP, offsetof(hal_jmp_buf_t, sp));
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74 DEFINE(CYGARC_JMPBUF_PR, offsetof(hal_jmp_buf_t, pr));
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75 DEFINE(CYGARC_JMPBUF_R8, offsetof(hal_jmp_buf_t, r8));
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76 DEFINE(CYGARC_JMPBUF_R9, offsetof(hal_jmp_buf_t, r9));
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77 DEFINE(CYGARC_JMPBUF_R10, offsetof(hal_jmp_buf_t, r10));
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78 DEFINE(CYGARC_JMPBUF_R11, offsetof(hal_jmp_buf_t, r11));
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79 DEFINE(CYGARC_JMPBUF_R12, offsetof(hal_jmp_buf_t, r12));
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80 DEFINE(CYGARC_JMPBUF_R13, offsetof(hal_jmp_buf_t, r13));
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81 DEFINE(CYGARC_JMPBUF_R14, offsetof(hal_jmp_buf_t, r14));
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82
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83 // Exception/interrupt/context save buffer
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84 DEFINE(CYGARC_SHREG_REGS, offsetof(HAL_SavedRegisters, r[0]));
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85 DEFINE(CYGARC_SHREG_MACH, offsetof(HAL_SavedRegisters, mach));
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86 DEFINE(CYGARC_SHREG_MACL, offsetof(HAL_SavedRegisters, macl));
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87 DEFINE(CYGARC_SHREG_PR, offsetof(HAL_SavedRegisters, pr));
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88 DEFINE(CYGARC_SHREG_SR, offsetof(HAL_SavedRegisters, sr));
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89 DEFINE(CYGARC_SHREG_PC, offsetof(HAL_SavedRegisters, pc));
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90 DEFINE(CYGARC_SH_CONTEXT_SIZE, offsetof(HAL_SavedRegisters, context_size));
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91
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92 // Below only saved on exceptions/interrupts
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93 DEFINE(CYGARC_SHREG_VBR, offsetof(HAL_SavedRegisters, vbr));
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94 DEFINE(CYGARC_SHREG_GBR, offsetof(HAL_SavedRegisters, gbr));
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95 DEFINE(CYGARC_SHREG_EVENT, offsetof(HAL_SavedRegisters, event));
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96 DEFINE(CYGARC_SH_EXCEPTION_SIZE, sizeof(HAL_SavedRegisters));
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97
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98 DEFINE(CYGARC_SH_EXCEPTION_DECREMENT, sizeof(HAL_SavedRegisters));
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99
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100 // Some other exception related definitions
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101 DEFINE(CYGNUM_HAL_ISR_COUNT, CYGNUM_HAL_ISR_COUNT);
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102 DEFINE(CYGNUM_HAL_VECTOR_INTERRUPT, CYGNUM_HAL_VECTOR_INTERRUPT);
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103 DEFINE(CYGNUM_HAL_VSR_MAX, CYGNUM_HAL_VSR_MAX);
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104 DEFINE(CYGNUM_HAL_VSR_COUNT, CYGNUM_HAL_VSR_COUNT);
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105 DEFINE(CYGNUM_HAL_VSR_EXCEPTION_COUNT, CYGNUM_HAL_VSR_EXCEPTION_COUNT);
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106 }
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107
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108 //--------------------------------------------------------------------------
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109 // EOF hal_mk_defs.c