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1 | /* |
1 | /* |
2 | * Copyright (c) 2003-2004 Jakub Jermar |
2 | * Copyright (c) 2007 Michal Kebrt |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
Line 30... | Line 30... | ||
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
- | 35 | #include <arch/cpu.h> |
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35 | #include <cpu.h> |
36 | #include <cpu.h> |
- | 37 | #include <arch.h> |
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36 | #include <print.h> |
38 | #include <print.h> |
37 | 39 | ||
- | 40 | ||
- | 41 | /** Implementators (vendor) names */ |
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- | 42 | static char * imp_data[] = { |
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- | 43 | "?", |
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- | 44 | "ARM Ltd", /* 0x41 */ |
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- | 45 | "", /* 0x42 */ |
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- | 46 | "", /* 0x43 */ |
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- | 47 | "Digital Equipment Corporation", /* 0x44 */ |
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- | 48 | "", "", "", "", "", "", "", "", "", "", "", /* 0x4f */ |
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- | 49 | "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", /* 0x5f */ |
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- | 50 | "", "", "", "", "", "", "", "", "", /* 0x68 */ |
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- | 51 | "Intel Corporation" /* 0x69 */ |
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- | 52 | }; |
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- | 53 | ||
- | 54 | /** Length of imp_data array */ |
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- | 55 | static int imp_data_length = sizeof(imp_data)/sizeof(char *); |
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- | 56 | ||
- | 57 | /** Architecture names */ |
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- | 58 | static char * arch_data[] = { |
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- | 59 | "?", /* 0x0 */ |
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- | 60 | "4", /* 0x1 */ |
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- | 61 | "4T", /* 0x2 */ |
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- | 62 | "5", /* 0x3 */ |
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- | 63 | "5T", /* 0x4 */ |
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- | 64 | "5TE", /* 0x5 */ |
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- | 65 | "5TEJ", /* 0x6 */ |
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- | 66 | "6" /* 0x7 */ |
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- | 67 | }; |
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- | 68 | ||
- | 69 | /** Length of arch_data array */ |
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- | 70 | static int arch_data_length = sizeof(arch_data)/sizeof(char *); |
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- | 71 | ||
- | 72 | ||
- | 73 | ||
38 | void cpu_arch_init(void) |
74 | void cpu_arch_init(void) |
39 | { |
75 | { |
- | 76 | /* TODO */ |
|
40 | } |
77 | } |
41 | 78 | ||
- | 79 | /** |
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- | 80 | * Retrieves processor identification from CP15 register 0. |
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- | 81 | * |
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- | 82 | * @param cpu structure for storing identification |
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- | 83 | */ |
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42 | void cpu_identify(void) |
84 | static void arch_cpu_identify(cpu_arch_t * cpu) |
43 | { |
85 | { |
- | 86 | uint32_t ident; |
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- | 87 | asm volatile ( |
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- | 88 | "mrc p15, 0, %0, c0, c0, 0 \n" |
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44 | /* TODO */ |
89 | : "=r" (ident) |
- | 90 | ); |
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- | 91 | ||
- | 92 | cpu->imp_num = ident >> 24; |
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- | 93 | cpu->variant_num = (ident << 8) >> 28; |
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- | 94 | cpu->arch_num = (ident << 12) >> 28; |
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- | 95 | cpu->prim_part_num = (ident << 16) >> 20; |
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- | 96 | cpu->rev_num = (ident << 28) >> 28; |
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45 | } |
97 | } |
46 | 98 | ||
- | 99 | ||
- | 100 | void cpu_identify(void) |
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- | 101 | { |
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- | 102 | arch_cpu_identify(&CPU->arch); |
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- | 103 | } |
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- | 104 | ||
- | 105 | ||
47 | void cpu_print_report(cpu_t *m) |
106 | void cpu_print_report(cpu_t *m) |
48 | { |
107 | { |
49 | /* TODO */ |
108 | char * vendor = imp_data[0]; |
- | 109 | char * architecture = arch_data[0]; |
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- | 110 | cpu_arch_t * cpu_arch = &m->arch; |
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- | 111 | ||
- | 112 | if ( (cpu_arch->imp_num) > 0 && (cpu_arch->imp_num < (imp_data_length + 0x40)) ) { |
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- | 113 | vendor = imp_data[cpu_arch->imp_num - 0x40]; |
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- | 114 | } |
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- | 115 | ||
- | 116 | if ( (cpu_arch->arch_num) > 0 && (cpu_arch->arch_num < arch_data_length) ) { |
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- | 117 | architecture = arch_data[cpu_arch->arch_num]; |
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- | 118 | } |
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- | 119 | ||
- | 120 | printf("vendor: %s, architecture: ARM %s, part number: %x, variant: %x, revision: %x", |
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- | 121 | vendor, architecture, cpu_arch->prim_part_num, cpu_arch->variant_num, cpu_arch->rev_num); |
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- | 122 | ||
50 | } |
123 | } |
51 | 124 | ||
52 | /** @} |
125 | /** @} |
53 | */ |
126 | */ |