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Fix previous commit based on comments in issue #89 thread.

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This should be correct now.
This commit is contained in:
Veselin Georgiev 2017-04-04 06:18:47 +03:00
parent 88483aaba0
commit 8fe734c493
1 changed files with 3 additions and 3 deletions
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6
libcpuid/rdmsr.c
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@ -631,8 +631,8 @@ static int get_amd_multipliers(struct msr_info_t *info, uint32_t pstate, uint64_
{ 0x6, 8 }, { 0x6, 8 },
{ 0x7, 12 }, { 0x7, 12 },
{ 0x8, 16 }, { 0x8, 16 },
{ CpuDid, 0 },
}; };
int num_dids = (int) COUNT_OF(divisor_t);
if (pstate < MSR_PSTATE_0 || MSR_PSTATE_7 < pstate) if (pstate < MSR_PSTATE_0 || MSR_PSTATE_7 < pstate)
return 1; return 1;
@ -646,9 +646,9 @@ static int get_amd_multipliers(struct msr_info_t *info, uint32_t pstate, uint64_
err = cpu_rdmsr_range(info->handle, pstate, 8, 4, &CpuFid); err = cpu_rdmsr_range(info->handle, pstate, 8, 4, &CpuFid);
err += cpu_rdmsr_range(info->handle, pstate, 3, 0, &CpuDid); err += cpu_rdmsr_range(info->handle, pstate, 3, 0, &CpuDid);
i = 0; i = 0;
while(divisor_t[i].did != CpuDid) while (i < num_dids && divisor_t[i].did != CpuDid)
i++; i++;
if (divisor_t[i].divisor > 0) if (i < num_dids)
*multiplier = (uint64_t) ((CpuFid + 0x10) / divisor_t[i].divisor); *multiplier = (uint64_t) ((CpuFid + 0x10) / divisor_t[i].divisor);
else else
err++; err++;