diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/cpu/x86/msr.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/include/cpu/x86/msr.h b/src/include/cpu/x86/msr.h index bc367d72ec..ac48ca2de6 100644 --- a/src/include/cpu/x86/msr.h +++ b/src/include/cpu/x86/msr.h @@ -155,6 +155,13 @@ static __always_inline void wrmsr(unsigned int index, msr_t msr) #endif /* CONFIG_SOC_SETS_MSRS */ +/* Get MCA bank count from MSR */ +static inline unsigned int mca_get_bank_count(void) +{ + msr_t msr = rdmsr(IA32_MCG_CAP); + return msr.lo & MCA_BANKS_MASK; +} + /* Helpers for interpreting MC[i]_STATUS */ static inline int mca_valid(msr_t msr) |