sched: thread: add cpu context pointer usable during interrupts and syscalls

2026-04-01 18:22:23 +01:00
parent 7bcd1577be
commit 876f91d8be
2 changed files with 19 additions and 0 deletions
@@ -8,6 +8,7 @@
 #include <kernel/panic.h>
 #include <kernel/sched.h>
 #include <kernel/syscall.h>
+#include <kernel/thread.h>
 #include <stddef.h>

 #define MAX_ISR_HANDLERS  16
@@ -166,6 +167,12 @@ int idt_load(struct idt_ptr *ptr)

 void isr_dispatch(struct ml_cpu_context *regs)
 {
+	struct thread *thr = get_current_thread();
+	if (thr) {
+		thr->tr_irqctx = regs;
+		put_current_thread(thr);
+	}
+
 	int_hook h = isr_handlers[regs->int_no];
 	if (h) {
 		h(regs);
@@ -188,6 +195,13 @@ void irq_dispatch(struct ml_cpu_context *regs)
 	end_charge_period();

 	irq_ack(regs->int_no);
+
+	struct thread *thr = get_current_thread();
+	if (thr) {
+		thr->tr_irqctx = regs;
+		put_current_thread(thr);
+	}
+
 	struct queue *hooks = &irq_hooks[regs->int_no - IRQ0];
 	queue_foreach(struct irq_hook, hook, hooks, irq_entry)
 	{