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Rev | Author | Line No. | Line |
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422 | giacomo | 1 | #ifndef __ASM_MSR_H |
2 | #define __ASM_MSR_H |
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3 | |||
4 | /* |
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5 | * Access to machine-specific registers (available on 586 and better only) |
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6 | * Note: the rd* operations modify the parameters directly (without using |
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7 | * pointer indirection), this allows gcc to optimize better |
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8 | */ |
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9 | |||
10 | #define rdmsr(msr,val1,val2) \ |
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11 | __asm__ __volatile__("rdmsr" \ |
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12 | : "=a" (val1), "=d" (val2) \ |
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13 | : "c" (msr)) |
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14 | |||
15 | #define wrmsr(msr,val1,val2) \ |
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16 | __asm__ __volatile__("wrmsr" \ |
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17 | : /* no outputs */ \ |
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18 | : "c" (msr), "a" (val1), "d" (val2)) |
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19 | |||
20 | #define rdmsrl(msr,val) do { \ |
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21 | unsigned long l__,h__; \ |
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22 | rdmsr (msr, l__, h__); \ |
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23 | val = l__; \ |
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24 | val |= ((u64)h__<<32); \ |
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25 | } while(0) |
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26 | |||
27 | static inline void wrmsrl (unsigned long msr, unsigned long long val) |
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28 | { |
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29 | unsigned long lo, hi; |
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30 | lo = (unsigned long) val; |
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31 | hi = val >> 32; |
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32 | wrmsr (msr, lo, hi); |
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33 | } |
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34 | |||
35 | #define rdtsc(low,high) \ |
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36 | __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high)) |
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37 | |||
38 | #define rdtscl(low) \ |
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39 | __asm__ __volatile__("rdtsc" : "=a" (low) : : "edx") |
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40 | |||
41 | #define rdtscll(val) \ |
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42 | __asm__ __volatile__("rdtsc" : "=A" (val)) |
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43 | |||
44 | #define write_tsc(val1,val2) wrmsr(0x10, val1, val2) |
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45 | |||
46 | #define rdpmc(counter,low,high) \ |
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47 | __asm__ __volatile__("rdpmc" \ |
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48 | : "=a" (low), "=d" (high) \ |
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49 | : "c" (counter)) |
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50 | |||
51 | /* symbolic names for some interesting MSRs */ |
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52 | /* Intel defined MSRs. */ |
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53 | #define MSR_IA32_P5_MC_ADDR 0 |
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54 | #define MSR_IA32_P5_MC_TYPE 1 |
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55 | #define MSR_IA32_PLATFORM_ID 0x17 |
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56 | #define MSR_IA32_EBL_CR_POWERON 0x2a |
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57 | |||
58 | #define MSR_IA32_APICBASE 0x1b |
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59 | #define MSR_IA32_APICBASE_BSP (1<<8) |
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60 | #define MSR_IA32_APICBASE_ENABLE (1<<11) |
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61 | #define MSR_IA32_APICBASE_BASE (0xfffff<<12) |
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62 | |||
63 | #define MSR_IA32_UCODE_WRITE 0x79 |
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64 | #define MSR_IA32_UCODE_REV 0x8b |
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65 | |||
66 | #define MSR_P6_PERFCTR0 0xc1 |
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67 | #define MSR_P6_PERFCTR1 0xc2 |
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68 | |||
69 | #define MSR_IA32_BBL_CR_CTL 0x119 |
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70 | |||
71 | #define MSR_IA32_SYSENTER_CS 0x174 |
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72 | #define MSR_IA32_SYSENTER_ESP 0x175 |
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73 | #define MSR_IA32_SYSENTER_EIP 0x176 |
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74 | |||
75 | #define MSR_IA32_MCG_CAP 0x179 |
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76 | #define MSR_IA32_MCG_STATUS 0x17a |
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77 | #define MSR_IA32_MCG_CTL 0x17b |
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78 | |||
79 | /* P4/Xeon+ specific */ |
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80 | #define MSR_IA32_MCG_EAX 0x180 |
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81 | #define MSR_IA32_MCG_EBX 0x181 |
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82 | #define MSR_IA32_MCG_ECX 0x182 |
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83 | #define MSR_IA32_MCG_EDX 0x183 |
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84 | #define MSR_IA32_MCG_ESI 0x184 |
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85 | #define MSR_IA32_MCG_EDI 0x185 |
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86 | #define MSR_IA32_MCG_EBP 0x186 |
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87 | #define MSR_IA32_MCG_ESP 0x187 |
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88 | #define MSR_IA32_MCG_EFLAGS 0x188 |
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89 | #define MSR_IA32_MCG_EIP 0x189 |
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90 | #define MSR_IA32_MCG_RESERVED 0x18A |
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91 | |||
92 | #define MSR_P6_EVNTSEL0 0x186 |
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93 | #define MSR_P6_EVNTSEL1 0x187 |
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94 | |||
95 | #define MSR_IA32_PERF_STATUS 0x198 |
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96 | #define MSR_IA32_PERF_CTL 0x199 |
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97 | |||
98 | #define MSR_IA32_THERM_CONTROL 0x19a |
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99 | #define MSR_IA32_THERM_INTERRUPT 0x19b |
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100 | #define MSR_IA32_THERM_STATUS 0x19c |
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101 | #define MSR_IA32_MISC_ENABLE 0x1a0 |
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102 | |||
103 | #define MSR_IA32_DEBUGCTLMSR 0x1d9 |
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104 | #define MSR_IA32_LASTBRANCHFROMIP 0x1db |
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105 | #define MSR_IA32_LASTBRANCHTOIP 0x1dc |
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106 | #define MSR_IA32_LASTINTFROMIP 0x1dd |
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107 | #define MSR_IA32_LASTINTTOIP 0x1de |
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108 | |||
109 | #define MSR_IA32_MC0_CTL 0x400 |
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110 | #define MSR_IA32_MC0_STATUS 0x401 |
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111 | #define MSR_IA32_MC0_ADDR 0x402 |
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112 | #define MSR_IA32_MC0_MISC 0x403 |
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113 | |||
114 | /* Pentium IV performance counter MSRs */ |
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115 | #define MSR_P4_BPU_PERFCTR0 0x300 |
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116 | #define MSR_P4_BPU_PERFCTR1 0x301 |
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117 | #define MSR_P4_BPU_PERFCTR2 0x302 |
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118 | #define MSR_P4_BPU_PERFCTR3 0x303 |
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119 | #define MSR_P4_MS_PERFCTR0 0x304 |
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120 | #define MSR_P4_MS_PERFCTR1 0x305 |
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121 | #define MSR_P4_MS_PERFCTR2 0x306 |
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122 | #define MSR_P4_MS_PERFCTR3 0x307 |
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123 | #define MSR_P4_FLAME_PERFCTR0 0x308 |
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124 | #define MSR_P4_FLAME_PERFCTR1 0x309 |
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125 | #define MSR_P4_FLAME_PERFCTR2 0x30a |
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126 | #define MSR_P4_FLAME_PERFCTR3 0x30b |
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127 | #define MSR_P4_IQ_PERFCTR0 0x30c |
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128 | #define MSR_P4_IQ_PERFCTR1 0x30d |
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129 | #define MSR_P4_IQ_PERFCTR2 0x30e |
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130 | #define MSR_P4_IQ_PERFCTR3 0x30f |
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131 | #define MSR_P4_IQ_PERFCTR4 0x310 |
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132 | #define MSR_P4_IQ_PERFCTR5 0x311 |
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133 | #define MSR_P4_BPU_CCCR0 0x360 |
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134 | #define MSR_P4_BPU_CCCR1 0x361 |
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135 | #define MSR_P4_BPU_CCCR2 0x362 |
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136 | #define MSR_P4_BPU_CCCR3 0x363 |
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137 | #define MSR_P4_MS_CCCR0 0x364 |
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138 | #define MSR_P4_MS_CCCR1 0x365 |
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139 | #define MSR_P4_MS_CCCR2 0x366 |
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140 | #define MSR_P4_MS_CCCR3 0x367 |
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141 | #define MSR_P4_FLAME_CCCR0 0x368 |
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142 | #define MSR_P4_FLAME_CCCR1 0x369 |
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143 | #define MSR_P4_FLAME_CCCR2 0x36a |
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144 | #define MSR_P4_FLAME_CCCR3 0x36b |
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145 | #define MSR_P4_IQ_CCCR0 0x36c |
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146 | #define MSR_P4_IQ_CCCR1 0x36d |
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147 | #define MSR_P4_IQ_CCCR2 0x36e |
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148 | #define MSR_P4_IQ_CCCR3 0x36f |
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149 | #define MSR_P4_IQ_CCCR4 0x370 |
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150 | #define MSR_P4_IQ_CCCR5 0x371 |
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151 | #define MSR_P4_ALF_ESCR0 0x3ca |
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152 | #define MSR_P4_ALF_ESCR1 0x3cb |
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153 | #define MSR_P4_BPU_ESCR0 0x3b2 |
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154 | #define MSR_P4_BPU_ESCR1 0x3b3 |
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155 | #define MSR_P4_BSU_ESCR0 0x3a0 |
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156 | #define MSR_P4_BSU_ESCR1 0x3a1 |
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157 | #define MSR_P4_CRU_ESCR0 0x3b8 |
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158 | #define MSR_P4_CRU_ESCR1 0x3b9 |
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159 | #define MSR_P4_CRU_ESCR2 0x3cc |
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160 | #define MSR_P4_CRU_ESCR3 0x3cd |
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161 | #define MSR_P4_CRU_ESCR4 0x3e0 |
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162 | #define MSR_P4_CRU_ESCR5 0x3e1 |
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163 | #define MSR_P4_DAC_ESCR0 0x3a8 |
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164 | #define MSR_P4_DAC_ESCR1 0x3a9 |
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165 | #define MSR_P4_FIRM_ESCR0 0x3a4 |
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166 | #define MSR_P4_FIRM_ESCR1 0x3a5 |
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167 | #define MSR_P4_FLAME_ESCR0 0x3a6 |
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168 | #define MSR_P4_FLAME_ESCR1 0x3a7 |
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169 | #define MSR_P4_FSB_ESCR0 0x3a2 |
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170 | #define MSR_P4_FSB_ESCR1 0x3a3 |
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171 | #define MSR_P4_IQ_ESCR0 0x3ba |
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172 | #define MSR_P4_IQ_ESCR1 0x3bb |
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173 | #define MSR_P4_IS_ESCR0 0x3b4 |
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174 | #define MSR_P4_IS_ESCR1 0x3b5 |
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175 | #define MSR_P4_ITLB_ESCR0 0x3b6 |
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176 | #define MSR_P4_ITLB_ESCR1 0x3b7 |
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177 | #define MSR_P4_IX_ESCR0 0x3c8 |
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178 | #define MSR_P4_IX_ESCR1 0x3c9 |
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179 | #define MSR_P4_MOB_ESCR0 0x3aa |
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180 | #define MSR_P4_MOB_ESCR1 0x3ab |
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181 | #define MSR_P4_MS_ESCR0 0x3c0 |
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182 | #define MSR_P4_MS_ESCR1 0x3c1 |
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183 | #define MSR_P4_PMH_ESCR0 0x3ac |
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184 | #define MSR_P4_PMH_ESCR1 0x3ad |
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185 | #define MSR_P4_RAT_ESCR0 0x3bc |
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186 | #define MSR_P4_RAT_ESCR1 0x3bd |
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187 | #define MSR_P4_SAAT_ESCR0 0x3ae |
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188 | #define MSR_P4_SAAT_ESCR1 0x3af |
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189 | #define MSR_P4_SSU_ESCR0 0x3be |
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190 | #define MSR_P4_SSU_ESCR1 0x3bf /* guess: not defined in manual */ |
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191 | #define MSR_P4_TBPU_ESCR0 0x3c2 |
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192 | #define MSR_P4_TBPU_ESCR1 0x3c3 |
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193 | #define MSR_P4_TC_ESCR0 0x3c4 |
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194 | #define MSR_P4_TC_ESCR1 0x3c5 |
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195 | #define MSR_P4_U2L_ESCR0 0x3b0 |
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196 | #define MSR_P4_U2L_ESCR1 0x3b1 |
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197 | |||
198 | /* AMD Defined MSRs */ |
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199 | #define MSR_K6_EFER 0xC0000080 |
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200 | #define MSR_K6_STAR 0xC0000081 |
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201 | #define MSR_K6_WHCR 0xC0000082 |
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202 | #define MSR_K6_UWCCR 0xC0000085 |
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203 | #define MSR_K6_EPMR 0xC0000086 |
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204 | #define MSR_K6_PSOR 0xC0000087 |
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205 | #define MSR_K6_PFIR 0xC0000088 |
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206 | |||
207 | #define MSR_K7_EVNTSEL0 0xC0010000 |
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208 | #define MSR_K7_EVNTSEL1 0xC0010001 |
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209 | #define MSR_K7_EVNTSEL2 0xC0010002 |
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210 | #define MSR_K7_EVNTSEL3 0xC0010003 |
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211 | #define MSR_K7_PERFCTR0 0xC0010004 |
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212 | #define MSR_K7_PERFCTR1 0xC0010005 |
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213 | #define MSR_K7_PERFCTR2 0xC0010006 |
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214 | #define MSR_K7_PERFCTR3 0xC0010007 |
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215 | #define MSR_K7_HWCR 0xC0010015 |
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216 | #define MSR_K7_CLK_CTL 0xC001001b |
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217 | #define MSR_K7_FID_VID_CTL 0xC0010041 |
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218 | #define MSR_K7_FID_VID_STATUS 0xC0010042 |
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219 | |||
220 | /* Centaur-Hauls/IDT defined MSRs. */ |
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221 | #define MSR_IDT_FCR1 0x107 |
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222 | #define MSR_IDT_FCR2 0x108 |
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223 | #define MSR_IDT_FCR3 0x109 |
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224 | #define MSR_IDT_FCR4 0x10a |
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225 | |||
226 | #define MSR_IDT_MCR0 0x110 |
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227 | #define MSR_IDT_MCR1 0x111 |
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228 | #define MSR_IDT_MCR2 0x112 |
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229 | #define MSR_IDT_MCR3 0x113 |
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230 | #define MSR_IDT_MCR4 0x114 |
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231 | #define MSR_IDT_MCR5 0x115 |
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232 | #define MSR_IDT_MCR6 0x116 |
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233 | #define MSR_IDT_MCR7 0x117 |
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234 | #define MSR_IDT_MCR_CTRL 0x120 |
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235 | |||
236 | /* VIA Cyrix defined MSRs*/ |
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237 | #define MSR_VIA_FCR 0x1107 |
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238 | #define MSR_VIA_LONGHAUL 0x110a |
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239 | #define MSR_VIA_RNG 0x110b |
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240 | #define MSR_VIA_BCR2 0x1147 |
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241 | |||
242 | /* Transmeta defined MSRs */ |
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243 | #define MSR_TMTA_LONGRUN_CTRL 0x80868010 |
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244 | #define MSR_TMTA_LONGRUN_FLAGS 0x80868011 |
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245 | #define MSR_TMTA_LRTI_READOUT 0x80868018 |
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246 | #define MSR_TMTA_LRTI_VOLT_MHZ 0x8086801a |
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247 | |||
248 | #endif /* __ASM_MSR_H */ |