refactor: decouple i386 specific instruction invocation

[lunaix-os.git] / lunaix-os / kernel / asm / x86 / interrupts.c

diff --git a/lunaix-os/kernel/asm/x86/interrupts.c b/lunaix-os/kernel/asm/x86/interrupts.c
deleted file mode 100644 (file)
index 8330bc2..0000000
--- a/lunaix-os/kernel/asm/x86/interrupts.c
+++ /dev/null
@@ -1,83 +0,0 @@
-#include <arch/x86/interrupts.h>
-#include <hal/apic.h>
-#include <hal/cpu.h>
-#include <lunaix/syslog.h>
-#include <lunaix/tty/tty.h>
-#include <lunaix/process.h>
-#include <lunaix/sched.h>
-#include <lunaix/mm/page.h>
-
-LOG_MODULE("intr")
-
-static int_subscriber subscribers[256];
-
-static int_subscriber fallback = (int_subscriber) 0;
-
-void
-intr_subscribe(const uint8_t vector, int_subscriber subscriber) {
-    subscribers[vector] = subscriber;
-}
-
-void
-intr_unsubscribe(const uint8_t vector, int_subscriber subscriber) {
-    if (subscribers[vector] == subscriber) {
-        subscribers[vector] = (int_subscriber) 0;
-    }
-}
-
-void
-intr_set_fallback_handler(int_subscriber subscribers) {
-    fallback = subscribers;
-}
-
-extern x86_page_table* __kernel_ptd;
-
-void
-intr_handler(isr_param* param)
-{
-    // if (param->vector == LUNAIX_SYS_CALL) {
-    //     kprintf(KDEBUG "%p", param->registers.esp);
-    // }
-    __current->intr_ctx = *param;
-
-    cpu_lcr3(__kernel_ptd);
-
-    isr_param *lparam = &__current->intr_ctx;
-    
-    if (lparam->vector <= 255) {
-        int_subscriber subscriber = subscribers[lparam->vector];
-        if (subscriber) {
-            subscriber(lparam);
-            goto done;
-        }
-    }
-
-    if (fallback) {
-        fallback(lparam);
-        goto done;
-    }
-    
-    kprint_panic("INT %u: (%x) [%p: %p] Unknown",
-            lparam->vector,
-            lparam->err_code,
-            lparam->cs,
-            lparam->eip);
-
-done:
-
-    // if (__current->state != PROC_RUNNING) {
-    //     schedule();
-    // }
-
-    // for all external interrupts except the spurious interrupt
-    //  this is required by Intel Manual Vol.3A, section 10.8.1 & 10.8.5
-    if (lparam->vector >= EX_INTERRUPT_BEGIN && lparam->vector != APIC_SPIV_IV) {
-        apic_done_servicing();
-    }
-
-    cpu_lcr3(__current->page_table);
-
-    *param = __current->intr_ctx;
-
-    return;
-}
\ No newline at end of file