#include <arch/x86/interrupts.h>
+#include <arch/x86/tss.h>
+
#include <hal/apic.h>
#include <hal/cpu.h>
+
+#include <lunaix/isrm.h>
+#include <lunaix/mm/page.h>
+#include <lunaix/mm/vmm.h>
+#include <lunaix/process.h>
+#include <lunaix/sched.h>
#include <lunaix/syslog.h>
#include <lunaix/tty/tty.h>
-int_subscriber subscribers[256];
+LOG_MODULE("INTR")
-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 <= 255) {
- int_subscriber subscriber = subscribers[param->vector];
- if (subscriber) {
- subscriber(param);
- goto done;
- }
- }
+ param->execp->saved_prev_ctx = __current->intr_ctx;
+ __current->intr_ctx = *param;
- if (fallback) {
- fallback(param);
+ volatile struct exec_param* execp = __current->intr_ctx.execp;
+
+ if (execp->vector <= 255) {
+ isr_cb subscriber = isrm_get(execp->vector);
+ subscriber(param);
goto done;
}
-
+
kprint_panic("INT %u: (%x) [%p: %p] Unknown",
- param->vector,
- param->err_code,
- param->cs,
- param->eip);
+ execp->vector,
+ execp->err_code,
+ execp->cs,
+ execp->eip);
done:
// for all external interrupts except the spurious interrupt
// this is required by Intel Manual Vol.3A, section 10.8.1 & 10.8.5
- if (param->vector >= EX_INTERRUPT_BEGIN && param->vector != APIC_SPIV_IV) {
+ if (execp->vector >= IV_EX && execp->vector != APIC_SPIV_IV) {
apic_done_servicing();
}
+
return;
}
\ No newline at end of file