diff options
| author | Ian Moffett <ian@osmora.org> | 2025-11-17 11:41:40 -0500 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2025-11-17 11:41:40 -0500 |
| commit | c09f0ee6b338e30d8408dc43378f4e7838819275 (patch) | |
| tree | 131dec09f99bce52c3e86ac5a1160e6c39de2f93 /sys/inc | |
| parent | 358d38649de0ba2ee28ec4ba9315a76eaadbb947 (diff) | |
kern/amd64: lapic: Configure and calibrate timer
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/inc')
| -rw-r--r-- | sys/inc/arch/amd64/lapic.h | 2 | ||||
| -rw-r--r-- | sys/inc/arch/amd64/mcb.h | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/sys/inc/arch/amd64/lapic.h b/sys/inc/arch/amd64/lapic.h index b65f14b..4f82681 100644 --- a/sys/inc/arch/amd64/lapic.h +++ b/sys/inc/arch/amd64/lapic.h @@ -30,6 +30,8 @@ #ifndef _MACHINE_LAPIC_H_ #define _MACHINE_LAPIC_H_ 1 +#define LAPIC_TMR_VEC 0x81 + /* * Initialize the Local APIC on-board the * processor for the current core diff --git a/sys/inc/arch/amd64/mcb.h b/sys/inc/arch/amd64/mcb.h index eb63365..ccd71ce 100644 --- a/sys/inc/arch/amd64/mcb.h +++ b/sys/inc/arch/amd64/mcb.h @@ -40,11 +40,13 @@ * @hwid: Hardware APIC ID * @xapic_io: MMIO base for the legacy xAPIC * @has_x2apic: Set if x2APIC mode is supported + * @lapic_tmr_freq: Frequency of Local APIC timer */ struct mcb { uint32_t hwid; void *xapic_io; uint8_t has_x2apic : 1; + size_t lapic_tmr_freq; }; #endif /* !_MACHINE_MCB_H_ */ |