diff options
Diffstat (limited to 'libpeci/peci.c')
| -rw-r--r-- | libpeci/peci.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/libpeci/peci.c b/libpeci/peci.c index 7e3f5e3..90d68b0 100644 --- a/libpeci/peci.c +++ b/libpeci/peci.c @@ -1134,12 +1134,16 @@ EPECIStatus peci_raw(uint8_t target, uint8_t u8ReadLen, const uint8_t* pRawCmd, } /*------------------------------------------------------------------------- - * This function returns the CPUID for the given PECI client address + * This function returns the CPUID (Model and stepping) for the given PECI + * client address *------------------------------------------------------------------------*/ EPECIStatus peci_GetCPUID(const uint8_t clientAddr, CPUModel* cpuModel, - uint8_t* cc) + uint8_t* stepping, uint8_t* cc) { - if (cpuModel == NULL || cc == NULL) + EPECIStatus ret = PECI_CC_SUCCESS; + uint32_t cpuid = 0; + + if (cpuModel == NULL || stepping == NULL || cc == NULL) { return PECI_CC_INVALID_REQ; } @@ -1149,7 +1153,12 @@ EPECIStatus peci_GetCPUID(const uint8_t clientAddr, CPUModel* cpuModel, return PECI_CC_CPU_NOT_PRESENT; } - return peci_RdPkgConfig(clientAddr, PECI_MBX_INDEX_CPU_ID, - PECI_PKG_ID_CPU_ID, sizeof(uint32_t), - (uint8_t*)cpuModel, cc); + ret = + peci_RdPkgConfig(clientAddr, PECI_MBX_INDEX_CPU_ID, PECI_PKG_ID_CPU_ID, + sizeof(uint32_t), (uint8_t*)&cpuid, cc); + + // Separate out the model and stepping (bits 3:0) from the CPUID + *cpuModel = cpuid & 0xFFFFFFF0; + *stepping = (uint8_t)(cpuid & 0x0000000F); + return ret; } |