diff options
Diffstat (limited to 'src/kernel/arch/i386')
| -rw-r--r-- | src/kernel/arch/i386/interrupts/idt.c | 36 |
1 files changed, 14 insertions, 22 deletions
diff --git a/src/kernel/arch/i386/interrupts/idt.c b/src/kernel/arch/i386/interrupts/idt.c index 4c46514..0b327c8 100644 --- a/src/kernel/arch/i386/interrupts/idt.c +++ b/src/kernel/arch/i386/interrupts/idt.c @@ -27,35 +27,27 @@ struct lidt_arg { static struct idt_entry IDT[256]; static struct lidt_arg lidt_arg; -static inline void idt_add(uint8_t num, bool user); static void idt_prepare(); static void idt_load(); static void idt_test(); -static inline void idt_add(uint8_t num, bool user) { - uintptr_t offset = (uintptr_t) &_isr_stubs + 8 * num; - - IDT[num] = (struct idt_entry) { - .offset_low = offset, - .offset_high = offset >> 16, - .code_seg = SEG_r0code << 3, - .zero = 0, - .present = 1, - .ring = user ? 3 : 0, - .storage = 0, - .type = 0xE, // 32-bit interrupt gate - }; -} - static void idt_prepare() { - for (int i = 0; i < 256; i++) - IDT[i].present = 0; + uintptr_t offset; + for (int i = 0; i < 256; i++) { + offset = (uintptr_t) &_isr_stubs + i * 8; - idt_add(0x08, false); - idt_add(0x0d, false); - idt_add(0x0e, false); - idt_add(0x34, false); + IDT[i] = (struct idt_entry) { + .offset_low = offset, + .offset_high = offset >> 16, + .code_seg = SEG_r0code << 3, + .zero = 0, + .present = 1, + .ring = 0, + .storage = 0, + .type = 0xE, // 32-bit interrupt gate + }; + } } static void idt_load() { |