tasking: add simple base for running things in ring 3

2025-04-07 16:13:31 +03:00
parent 03e718c2c8
commit 372b308ec8
9 changed files with 163 additions and 10 deletions
@@ -22,6 +22,8 @@ __attribute__((interrupt)) void isr_timer(struct interrupt_frame *frame);
 void isr_custom();
 void default_handler();

+extern void sys_exit_handler();
+
 void isr_install() {
    idt_set_descriptor(0, (uint32)isr0, 0x8E);
    idt_set_descriptor(1, (uint32)isr1, 0x8E);
@@ -62,6 +64,7 @@ void isr_install() {
    idt_set_descriptor(0x20, (uint32)isr_timer, 0x8E);
    idt_set_descriptor(0x21, (uint32)isr_custom, 0x8E);

+    idt_set_descriptor(0x80, (uint32)sys_exit_handler, 0xEE);

    idt_set(); // Load with ASM
    printf("isr_install done\n");