diff options
| author | Felix Held <felix-coreboot@felixheld.de> | 2023-09-21 20:34:43 +0200 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-09-23 01:22:14 +0000 |
| commit | 1d466f2a75854eaffab0f33cf024bd9e8029104d (patch) | |
| tree | bb6a0c2240670f402408f47b876c2a434233cf78 /src/arch/x86 | |
| parent | 9acae39bc22a53689cab9311e26b6ed248cedd58 (diff) | |
arch/x86/cpu_common: use cpuid_e[a,c]x
Use cpuid_eax and cpuid_ecx instead of sort-of open-coding the same
functionality in cpu_check_deterministic_cache_cpuid_supported.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ib0dc2be4f602bf63183b9096e38403ae2f45d959
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78058
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/arch/x86')
| -rw-r--r-- | src/arch/x86/cpu_common.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/src/arch/x86/cpu_common.c b/src/arch/x86/cpu_common.c index 102ccf0468..9727d64528 100644 --- a/src/arch/x86/cpu_common.c +++ b/src/arch/x86/cpu_common.c @@ -89,19 +89,15 @@ uint32_t cpu_get_feature_flags_edx(void) enum cpu_type cpu_check_deterministic_cache_cpuid_supported(void) { - struct cpuid_result res; - if (cpu_is_intel()) { - res = cpuid(0); - if (res.eax < 4) + if (cpuid_eax(0) < 4) return CPUID_COMMAND_UNSUPPORTED; return CPUID_TYPE_INTEL; } else if (cpu_is_amd()) { if (cpu_cpuid_extended_level() < 0x80000001) return CPUID_COMMAND_UNSUPPORTED; - res = cpuid(0x80000001); - if (!(res.ecx & (1 << 22))) + if (!(cpuid_ecx(0x80000001) & (1 << 22))) return CPUID_COMMAND_UNSUPPORTED; return CPUID_TYPE_AMD; |