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arch/x86/cpu_common: use cpu_cpuid_extended_level

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Use cpu_cpuid_extended_level instead of open-coding the same
functionality in cpu_check_deterministic_cache_cpuid_supported.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I4ea22c3997769179311f3c8822e6d8cc15a8834c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78057
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Felix Held
2023-09-21 20:33:10 +02:00
parent 97a48961e8
commit 9acae39bc2
1 changed files with 1 additions and 2 deletions
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3
src/arch/x86/cpu_common.c
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@@ -97,8 +97,7 @@ enum cpu_type cpu_check_deterministic_cache_cpuid_supported(void)
return CPUID_COMMAND_UNSUPPORTED; return CPUID_COMMAND_UNSUPPORTED;
return CPUID_TYPE_INTEL; return CPUID_TYPE_INTEL;
} else if (cpu_is_amd()) { } else if (cpu_is_amd()) {
res = cpuid(0x80000000); if (cpu_cpuid_extended_level() < 0x80000001)
if (res.eax < 0x80000001)
return CPUID_COMMAND_UNSUPPORTED; return CPUID_COMMAND_UNSUPPORTED;
res = cpuid(0x80000001); res = cpuid(0x80000001);