diff options
| author | Ian Moffett <ian@osmora.org> | 2024-02-26 00:16:55 -0500 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2024-02-26 00:16:55 -0500 |
| commit | d2bb1bd0f7ee62c5e9051db95df2916271c91105 (patch) | |
| tree | a08a1b7a91613dc1f07943464044b18e6d0d9b18 | |
| parent | 3591368b6cf0b7c1e48edfe811e519ad9b3d01b5 (diff) | |
kernel/amd64: lapic: Add support for sending EOIs
Signed-off-by: Ian Moffett <ian@osmora.org>
| -rw-r--r-- | sys/arch/amd64/amd64/lapic.c | 6 | ||||
| -rw-r--r-- | sys/include/arch/amd64/lapic.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/sys/arch/amd64/amd64/lapic.c b/sys/arch/amd64/amd64/lapic.c index c342844..a72e14e 100644 --- a/sys/arch/amd64/amd64/lapic.c +++ b/sys/arch/amd64/amd64/lapic.c @@ -309,6 +309,12 @@ lapic_send_ipi(uint8_t id, uint8_t shorthand, uint8_t vector) } } +void +lapic_send_eoi(void) +{ + lapic_writel(LAPIC_EOI, 0); +} + /* * Calibrates the Local APIC timer * diff --git a/sys/include/arch/amd64/lapic.h b/sys/include/arch/amd64/lapic.h index db27ad6..5ab810a 100644 --- a/sys/include/arch/amd64/lapic.h +++ b/sys/include/arch/amd64/lapic.h @@ -52,6 +52,7 @@ void lapic_timer_init(size_t *freq_out); void lapic_timer_oneshot(bool mask, uint32_t count); void lapic_timer_oneshot_us(size_t us); void lapic_send_ipi(uint8_t id, uint8_t shorthand, uint8_t vector); +void lapic_send_eoi(void); void lapic_init(void); #endif /* !_AMD64_LAPIC_H_ */ |