diff options
| author | aqua <aqua@iserlohn-fortress.net> | 2022-11-01 21:18:17 +0200 |
|---|---|---|
| committer | aqua <aqua@iserlohn-fortress.net> | 2022-11-01 21:35:57 +0200 |
| commit | 2f82430b488878d321276e6efb10c61042ca2930 (patch) | |
| tree | 34455e48a90eb61f1d814ff2c18cb962c02f89a6 /i686/lidt.c | |
| parent | Add uppercase scancodes (diff) | |
| download | kernel-2f82430b488878d321276e6efb10c61042ca2930.tar.xz | |
Enable interrupts after enabling the PIC
Diffstat (limited to 'i686/lidt.c')
| -rw-r--r-- | i686/lidt.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/i686/lidt.c b/i686/lidt.c index aa6185b..5cb66b6 100644 --- a/i686/lidt.c +++ b/i686/lidt.c @@ -39,16 +39,15 @@ idt_install() { // exceptions 0x00~0x13 for (int i = 0; i <= 0x13; ++i) Gate(&interrupt_table[i], &abort_handler, 0x10); + // irq 0x20~0x2f - // for (int i = 0; i < 16; ++i) irq_table[i] = NULL; - for (int i = 0x20; i <= 0x2f; ++i) Gate(&interrupt_table[i], &abort_handler, 0x10); Gate(&interrupt_table[0x20], &irq0x00, 0x10); Gate(&interrupt_table[0x21], &irq0x01, 0x10); + for (int i = 0x22; i <= 0x2f; ++i) Gate(&interrupt_table[i], &abort_handler, 0x10); + // syscall 0x80 Gate(&interrupt_table[0x80], &abort_handler, 0x10); const struct Pointer ptr = {.limit = sizeof(interrupt_table) - 1, .base = (unsigned)&interrupt_table}; asm volatile("lidt (%0)" : : "a"(&ptr)); - - asm volatile("sti"); } |