diff options
| author | sigsegv7 <ian@vegaa.systems> | 2023-09-14 00:22:21 -0400 |
|---|---|---|
| committer | sigsegv7 <ian@vegaa.systems> | 2023-09-14 00:22:21 -0400 |
| commit | 3a72a201448fe16657a14cfc5916b672df94acf0 (patch) | |
| tree | ff0f71e02fd2791b85f7791ab6ec98a0c58bf743 /sys/arch/amd64/machdep.c | |
| parent | ec0809d472d0f79420b7e0cebc32a01b93aeff39 (diff) | |
kernel/amd64: Introduce initial I/O APIC support
Signed-off-by: sigsegv7 <ian@vegaa.systems>
Diffstat (limited to 'sys/arch/amd64/machdep.c')
| -rw-r--r-- | sys/arch/amd64/machdep.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/arch/amd64/machdep.c b/sys/arch/amd64/machdep.c index 4da73ae..0b52792 100644 --- a/sys/arch/amd64/machdep.c +++ b/sys/arch/amd64/machdep.c @@ -32,8 +32,10 @@ #include <machine/trap.h> #include <machine/idt.h> #include <machine/gdt.h> +#include <machine/ioapic.h> #define ISR(func) ((uintptr_t)func) +#define INIT_FLAG_IOAPIC 0x00000001U static void interrupts_init(void) @@ -61,6 +63,14 @@ processor_halt(void) void processor_init(void) { + /* Indicates what doesn't need to be init anymore */ + static uint8_t init_flags = 0; + + if (!__TEST(init_flags, INIT_FLAG_IOAPIC)) { + init_flags |= INIT_FLAG_IOAPIC; + ioapic_init(); + } + gdt_load(&g_gdtr); interrupts_init(); } |