interrupt: interrupt_set()

kernel-src/arch/x86-64/idt.c

@@ -80,3 +80,11 @@ void arch_idt_reload() {
 	for (int i = 0; i < 32; ++i)
 		interrupt_register(i, exceptisr, NULL, 0); // TODO assign priority
 }
+
+void arch_interrupt_disable() {
+	asm("cli");
+}
+
+void arch_interrupt_enable() {
+	asm("sti");
+}

kernel-src/include/kernel/interrupt.h

@@ -24,5 +24,6 @@ void interrupt_register(int vector, void (*func)(isr_t *self, context_t *ctx), v
 isr_t *interrupt_allocate(void (*func)(isr_t *self, context_t *ctx), void (*eoi)(isr_t *self), long priority);
 void interrupt_raiseipl(long newipl);
 void interrupt_loweripl(long newipl);
+bool interrupt_set(bool status);
 
 #endif

kernel-src/include/x86-64/arch/cpu.h

@@ -6,8 +6,10 @@
 
 #include <arch/msr.h>
 #include <arch/ist.h>
+#include <arch/archint.h>
 #include <kernel/interrupt.h>
 #include <kernel/vmm.h>
+#include <kernel/timer.h>
 
 typedef struct {
 	uint64_t gdt[7];
@@ -16,6 +18,8 @@ typedef struct {
 	isr_t isr[MAX_ISR_COUNT];
 	vmmcontext_t *vmmctx;
 	int acpiid;
+	timer_t *timer;
+	bool intstatus;
 } cpu_t;
 
 static inline cpu_t *_cpu() {

kernel-src/sys/interrupt.c

@@ -47,3 +47,16 @@ void interrupt_raiseipl(long newipl) {
 void interrupt_loweripl(long newipl) {
 	__assert(!"Unimplemented");
 }
+
+void arch_interrupt_disable();
+void arch_interrupt_enable();
+
+bool interrupt_set(bool status) {
+	if (status)
+		arch_interrupt_enable();
+	else
+		arch_interrupt_disable();
+	bool old = _cpu()->intstatus;
+	_cpu()->intstatus = status;
+	return old;
+}