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| author | Ahmed S. Darwish <darwi@linutronix.de> | 2025-03-24 15:20:36 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-03-25 09:53:46 +0100 |
| commit | 87669e74d8481a066eb8d319cef7b2ea93d4e24b (patch) | |
| tree | e7e432b7b0bb818c2de001121451c600349f7f2f /tools/arch | |
| parent | tools/x86/kcpuid: Filter valid CPUID ranges (diff) | |
| download | linux-87669e74d8481a066eb8d319cef7b2ea93d4e24b.tar.gz linux-87669e74d8481a066eb8d319cef7b2ea93d4e24b.zip | |
tools/x86/kcpuid: Define Transmeta and Centaur index ranges
Explicitly define the CPUID index ranges for Transmeta (0x80860000) and
Centaur/Zhaoxin (0xc0000000).
Without these explicit definitions, their respective CPUID indices would
be skipped during CSV bitfield parsing.
Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20250324142042.29010-16-darwi@linutronix.de
Diffstat (limited to 'tools/arch')
| -rw-r--r-- | tools/arch/x86/kcpuid/kcpuid.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/arch/x86/kcpuid/kcpuid.c b/tools/arch/x86/kcpuid/kcpuid.c index fe3d0581afd1..7dc6b9235d02 100644 --- a/tools/arch/x86/kcpuid/kcpuid.c +++ b/tools/arch/x86/kcpuid/kcpuid.c @@ -69,6 +69,8 @@ struct cpuid_func { enum range_index { RANGE_STD = 0, /* Standard */ RANGE_EXT = 0x80000000, /* Extended */ + RANGE_TSM = 0x80860000, /* Transmeta */ + RANGE_CTR = 0xc0000000, /* Centaur/Zhaoxin */ }; #define CPUID_INDEX_MASK 0xffff0000 @@ -85,6 +87,8 @@ struct cpuid_range { static struct cpuid_range ranges[] = { { .index = RANGE_STD, }, { .index = RANGE_EXT, }, + { .index = RANGE_TSM, }, + { .index = RANGE_CTR, }, }; static char *range_to_str(struct cpuid_range *range) @@ -92,6 +96,8 @@ static char *range_to_str(struct cpuid_range *range) switch (range->index) { case RANGE_STD: return "Standard"; case RANGE_EXT: return "Extended"; + case RANGE_TSM: return "Transmeta"; + case RANGE_CTR: return "Centaur"; default: return NULL; } } |