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Replace hardcoded addresses by define in cpu_msrinfo()

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Xorg 2016-06-04 20:52:27 +02:00
parent e631e62ce6
commit cba9a1e19a
1 changed files with 7 additions and 5 deletions
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12
libcpuid/rdmsr.c
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@ -488,8 +488,11 @@ int cpu_msrinfo(struct msr_driver_t* driver, cpu_msrinfo_request_t which)
#define MSR_PSTATE_7 0xC001006B
/* Intel MSRs addresses */
#define IA32_MPERF 0xE7
#define IA32_APERF 0xE8
#define IA32_PERF_STATUS 0x198
#define IA32_THERM_STATUS 0x19C
#define MSR_EBL_CR_POWERON 0x2A
#define MSR_TURBO_RATIO_LIMIT 0x1AD
#define MSR_TEMPERATURE_TARGET 0x1A2
#define MSR_PERF_STATUS 0x198
@ -582,7 +585,7 @@ static double get_info_cur_multiplier(struct msr_driver_t* handle, struct cpu_id
uint64_t reg;
if(id->vendor == VENDOR_INTEL && internal->code.intel == PENTIUM) {
err = cpu_rdmsr(handle, 0x2a, &reg);
err = cpu_rdmsr(handle, MSR_EBL_CR_POWERON, &reg);
if (!err) return (reg>>22) & 0x1f;
}
else if(id->vendor == VENDOR_INTEL && internal->code.intel != PENTIUM) {
@ -611,7 +614,7 @@ static double get_info_max_multiplier(struct msr_driver_t* handle, struct cpu_id
uint64_t reg;
if(id->vendor == VENDOR_INTEL && internal->code.intel == PENTIUM) {
err = cpu_rdmsr(handle, 0x198, &reg);
err = cpu_rdmsr(handle, IA32_PERF_STATUS, &reg);
if (!err) return (reg >> 40) & 0x1f;
}
else if(id->vendor == VENDOR_INTEL && internal->code.intel != PENTIUM) {
@ -641,7 +644,6 @@ static double get_info_max_multiplier(struct msr_driver_t* handle, struct cpu_id
if (!err) return reg;
}
return CPU_INVALID_VALUE;
}
@ -773,9 +775,9 @@ int cpu_msrinfo(struct msr_driver_t* handle, cpu_msrinfo_request_t which)
switch (which) {
case INFO_MPERF:
return perfmsr_measure(handle, 0xe7);
return perfmsr_measure(handle, IA32_MPERF);
case INFO_APERF:
return perfmsr_measure(handle, 0xe8);
return perfmsr_measure(handle, IA32_APERF);
case INFO_MIN_MULTIPLIER:
return get_info_min_multiplier(handle, &id, &internal) * 100;
case INFO_CUR_MULTIPLIER: