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| author | Ian Moffett <ian@osmora.org> | 2025-08-12 22:50:51 -0400 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2025-08-12 22:50:51 -0400 |
| commit | 39c2c3c8de8b2f3a18315e2001eac05fe52c0956 (patch) | |
| tree | 57086542aacf3842509dd45f0c8b223c79dbc1f5 /sys/include | |
| parent | 49e744c65c8e3d2f72357f865dbd1908796950cf (diff) | |
kernel/amd64: cpu: Report CPU vendor type
This commit introduces a vendor field within the 'cpu_info' structure.
This allows kernel code to detect the CPU vendor by comparing it with
the CPU_VENDOR_* defines that have also been added.
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/include')
| -rw-r--r-- | sys/include/arch/amd64/cpu.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/include/arch/amd64/cpu.h b/sys/include/arch/amd64/cpu.h index 4586163..b02ed5f 100644 --- a/sys/include/arch/amd64/cpu.h +++ b/sys/include/arch/amd64/cpu.h @@ -45,11 +45,17 @@ #define CPU_FEAT_SMAP BIT(0) #define CPU_FEAT_SMEP BIT(1) +/* CPU vendors */ +#define CPU_VENDOR_OTHER 0x00000000 +#define CPU_VENDOR_INTEL 0x00000001 +#define CPU_VENDOR_AMD 0x00000002 + typedef uint16_t ipi_pend_t; struct cpu_info { uint32_t apicid; uint32_t feat; + uint32_t vendor; /* Vendor (see CPU_VENDOR_*) */ uint8_t ipi_dispatch : 1; /* 1: IPIs being dispatched */ uint8_t ipi_id; ipi_pend_t ipi_pending[N_IPIVEC]; |