From 482e65d13d9d2932d244483c6ca2209823941583 Mon Sep 17 00:00:00 2001
From: Max Wash <mbswash@gmail.com>
Date: Mon, 8 May 2023 08:08:33 +0100
Subject: [PATCH] x86_64: irq: add array of asm irq entry points

---
 arch/x86_64/irq.c | 839 +++++++++++++++++++++++-----------------------
 1 file changed, 422 insertions(+), 417 deletions(-)

diff --git a/arch/x86_64/irq.c b/arch/x86_64/irq.c
index 07bad5a..d703cf1 100644
--- a/arch/x86_64/irq.c
+++ b/arch/x86_64/irq.c
@@ -12,6 +12,170 @@
 
 #define MAX_ISR_HANDLERS 16
 
+extern void syscall_gate();
+extern uintptr_t pf_faultptr(void);
+
+static int_hook isr_handlers[NR_IDT_ENTRIES];
+static struct queue irq_hooks[223];
+
+static struct idt idt;
+static int idt_initialised = 0;
+static uintptr_t int_entry_points[NR_IDT_ENTRIES];
+
+static void set_idt_gate(struct idt *idt, uint8_t index, uintptr_t base, uint16_t sel, uint8_t flags)
+{
+	idt->i_entries[index].base_low    = base & 0xFFFF;
+	idt->i_entries[index].base_middle = (base >> 16) & 0xFFFF;
+	idt->i_entries[index].base_high   = (base >> 32) & 0xFFFFFFFF;
+	idt->i_entries[index].selector    = sel;
+	idt->i_entries[index].always0     = 0;
+	idt->i_entries[index].present     = 1;
+	idt->i_entries[index].dpl         = 3;
+	idt->i_entries[index].zero        = 0;
+	idt->i_entries[index].type        = 0xE;
+	idt->i_entries[index].reserved    = 0;
+}
+
+static void gpf_handler(struct cpu_context *regs)
+{
+	int ext   = regs->err_no & 1;
+	int table = (regs->err_no >> 1) & 0x03;
+	int index = (regs->err_no >> 3) & 0x1FFF;
+
+	panic_irq(regs, "general protection fault (%016llx %02x %02x %04x %016llx)",
+		  regs->err_no, ext, table, index, regs->rip);
+}
+
+static void pf_handler(struct cpu_context *regs)
+{
+	panic_irq(regs, "page fault (%016llx %016llx %016llx)", pf_faultptr(), regs->rip, regs->err_no);
+}
+
+#if 0
+static void set_syscall_gate(uintptr_t rip)
+{
+	/* sysret adds 0x10 to this to get cs, and 0x8 to get ss
+	 * note that the CPU should force the RPL to 3 when loading
+	 * the selector by using user_cs | 3. However, this doesn't happen
+	 * in certain scenarios (specifically, QEMU + KVM on a Ryzen 5 1600X). */
+	uint64_t user_cs = 0x13;
+	uint64_t kernel_cs = 0x8;
+
+	uintptr_t star_reg = 0xC0000081;
+	uintptr_t lstar_reg = 0xC0000082;
+	uintptr_t sfmask_reg = 0xC0000084;
+
+	uint64_t selectors = 0;
+	selectors |= (user_cs) << 48;
+	selectors |= (kernel_cs) << 32;
+
+	/* disable interrupts */
+	uint64_t flag_mask = 0x200;
+
+	write_msr(star_reg, selectors);
+	write_msr(lstar_reg, rip);
+	write_msr(sfmask_reg, flag_mask);
+}
+#endif
+
+static void init_pic()
+{
+	// Remap the PIC
+	outportb(0x20, 0x11);
+	outportb(0xA0, 0x11);
+	outportb(0x21, 0x20);
+	outportb(0xA1, 0x28);
+	outportb(0x21, 0x04);
+	outportb(0xA1, 0x02);
+	outportb(0x21, 0x01);
+	outportb(0xA1, 0x01);
+	outportb(0x21, 0x0);
+	outportb(0xA1, 0x0);
+
+	isr_handlers[13] = gpf_handler;
+	isr_handlers[14] = pf_handler;
+}
+
+static void init_global_idt(void)
+{
+	memset((void *)&idt.i_entries, 0, sizeof idt.i_entries);
+
+	for (int i = 0; i < NR_IDT_ENTRIES; i++) {
+		set_idt_gate(&idt, i, int_entry_points[i], 0x08, 0x8E);
+	}
+
+	init_pic();
+
+	idt_initialised = 1;
+}
+
+int idt_init(struct idt_ptr *ptr)
+{
+	if (idt_initialised == 0) {
+		init_global_idt();
+	}
+
+	ptr->i_limit = sizeof(idt) - 1;
+	ptr->i_base  = (uintptr_t)&idt;
+
+	return 0;
+}
+
+int idt_load(struct idt_ptr *ptr)
+{
+	__asm__ __volatile__("lidt (%0)" ::"r" (ptr));
+	return 0;
+}
+
+void isr_dispatch(struct cpu_context *regs)
+{
+	printk("received ISR#%u on CPU %u", regs->int_no, this_cpu());
+	int_hook h = isr_handlers[regs->int_no];
+	if (h) {
+		h(regs);
+	} else {
+		panic_irq(regs, "unhandled exception %u", regs->int_no);
+	}
+}
+
+void irq_dispatch(struct cpu_context *regs)
+{
+	end_charge_period();
+
+	if (regs->int_no != IRQ0) {
+		printk("received IRQ#%u on CPU %u", regs->int_no - IRQ0,  this_cpu());
+	}
+
+	irq_ack(regs->int_no);
+	struct queue *hooks = &irq_hooks[regs->int_no - IRQ0];
+	queue_foreach(struct irq_hook, hook, hooks, irq_entry) {
+		hook->irq_callback();
+	}
+
+	if (need_resched()) {
+		schedule(SCHED_IRQ);
+	}
+
+	start_charge_period();
+}
+
+void syscall_dispatch(struct cpu_context *regs)
+{
+
+}
+
+void hook_irq(enum irq_vector vec, struct irq_hook *hook)
+{
+	struct queue *hook_queue = &irq_hooks[vec - IRQ0];
+	queue_push_back(hook_queue, &hook->irq_entry);
+}
+
+void unhook_irq(enum irq_vector vec, struct irq_hook *hook)
+{
+	struct queue *hook_queue = &irq_hooks[vec - IRQ0];
+	queue_delete(hook_queue, &hook->irq_entry);
+}
+
 extern void _isr0();
 extern void _isr1();
 extern void _isr2();
@@ -270,420 +434,261 @@ extern void _irq221();
 extern void _irq222();
 extern void _irq223();
 
-extern void syscall_gate();
-extern uintptr_t pf_faultptr(void);
-
-static int_hook isr_handlers[NR_IDT_ENTRIES];
-static struct queue irq_hooks[223];
-
-static struct idt idt;
-static int idt_initialised = 0;
-
-static void set_idt_gate(struct idt *idt, uint8_t index, uintptr_t base, uint16_t sel, uint8_t flags)
-{
-	idt->i_entries[index].base_low    = base & 0xFFFF;
-	idt->i_entries[index].base_middle = (base >> 16) & 0xFFFF;
-	idt->i_entries[index].base_high   = (base >> 32) & 0xFFFFFFFF;
-	idt->i_entries[index].selector    = sel;
-	idt->i_entries[index].always0     = 0;
-	idt->i_entries[index].present     = 1;
-	idt->i_entries[index].dpl         = 3;
-	idt->i_entries[index].zero        = 0;
-	idt->i_entries[index].type        = 0xE;
-	idt->i_entries[index].reserved    = 0;
-}
-
-static void gpf_handler(struct cpu_context *regs)
-{
-	int ext   = regs->err_no & 1;
-	int table = (regs->err_no >> 1) & 0x03;
-	int index = (regs->err_no >> 3) & 0x1FFF;
-
-	panic_irq(regs, "general protection fault (%016llx %02x %02x %04x %016llx)",
-		  regs->err_no, ext, table, index, regs->rip);
-}
-
-static void pf_handler(struct cpu_context *regs)
-{
-	panic_irq(regs, "page fault (%016llx %016llx %016llx)", pf_faultptr(), regs->rip, regs->err_no);
-}
-
-#if 0
-static void set_syscall_gate(uintptr_t rip)
-{
-	/* sysret adds 0x10 to this to get cs, and 0x8 to get ss
-	 * note that the CPU should force the RPL to 3 when loading
-	 * the selector by using user_cs | 3. However, this doesn't happen
-	 * in certain scenarios (specifically, QEMU + KVM on a Ryzen 5 1600X). */
-	uint64_t user_cs = 0x13;
-	uint64_t kernel_cs = 0x8;
-
-	uintptr_t star_reg = 0xC0000081;
-	uintptr_t lstar_reg = 0xC0000082;
-	uintptr_t sfmask_reg = 0xC0000084;
-
-	uint64_t selectors = 0;
-	selectors |= (user_cs) << 48;
-	selectors |= (kernel_cs) << 32;
-
-	/* disable interrupts */
-	uint64_t flag_mask = 0x200;
-
-	write_msr(star_reg, selectors);
-	write_msr(lstar_reg, rip);
-	write_msr(sfmask_reg, flag_mask);
-}
-#endif
-
-static void init_pic()
-{
-	// Remap the PIC
-	outportb(0x20, 0x11);
-	outportb(0xA0, 0x11);
-	outportb(0x21, 0x20);
-	outportb(0xA1, 0x28);
-	outportb(0x21, 0x04);
-	outportb(0xA1, 0x02);
-	outportb(0x21, 0x01);
-	outportb(0xA1, 0x01);
-	outportb(0x21, 0x0);
-	outportb(0xA1, 0x0);
-
-	isr_handlers[13] = gpf_handler;
-	isr_handlers[14] = pf_handler;
-}
-
-static void init_global_idt(void)
-{
-	memset((void *)&idt.i_entries, 0, sizeof idt.i_entries);
-
-	set_idt_gate(&idt, 0, (uintptr_t)_isr0, 0x08, 0x8E);
-	set_idt_gate(&idt, 1, (uintptr_t)_isr1, 0x08, 0x8E);
-	set_idt_gate(&idt, 2, (uintptr_t)_isr2, 0x08, 0x8E);
-	set_idt_gate(&idt, 3, (uintptr_t)_isr3, 0x08, 0x8E);
-	set_idt_gate(&idt, 4, (uintptr_t)_isr4, 0x08, 0x8E);
-	set_idt_gate(&idt, 5, (uintptr_t)_isr5, 0x08, 0x8E);
-	set_idt_gate(&idt, 6, (uintptr_t)_isr6, 0x08, 0x8E);
-	set_idt_gate(&idt, 7, (uintptr_t)_isr7, 0x08, 0x8E);
-	set_idt_gate(&idt, 8, (uintptr_t)_isr8, 0x08, 0x8E);
-	set_idt_gate(&idt, 9, (uintptr_t)_isr9, 0x08, 0x8E);
-	set_idt_gate(&idt, 10, (uintptr_t)_isr10, 0x08, 0x8E);
-	set_idt_gate(&idt, 11, (uintptr_t)_isr11, 0x08, 0x8E);
-	set_idt_gate(&idt, 12, (uintptr_t)_isr12, 0x08, 0x8E);
-	set_idt_gate(&idt, 13, (uintptr_t)_isr13, 0x08, 0x8E);
-	set_idt_gate(&idt, 14, (uintptr_t)_isr14, 0x08, 0x8E);
-	set_idt_gate(&idt, 15, (uintptr_t)_isr15, 0x08, 0x8E);
-	set_idt_gate(&idt, 16, (uintptr_t)_isr16, 0x08, 0x8E);
-	set_idt_gate(&idt, 17, (uintptr_t)_isr17, 0x08, 0x8E);
-	set_idt_gate(&idt, 18, (uintptr_t)_isr18, 0x08, 0x8E);
-	set_idt_gate(&idt, 19, (uintptr_t)_isr19, 0x08, 0x8E);
-	set_idt_gate(&idt, 20, (uintptr_t)_isr20, 0x08, 0x8E);
-	set_idt_gate(&idt, 21, (uintptr_t)_isr21, 0x08, 0x8E);
-	set_idt_gate(&idt, 22, (uintptr_t)_isr22, 0x08, 0x8E);
-	set_idt_gate(&idt, 23, (uintptr_t)_isr23, 0x08, 0x8E);
-	set_idt_gate(&idt, 24, (uintptr_t)_isr24, 0x08, 0x8E);
-	set_idt_gate(&idt, 25, (uintptr_t)_isr25, 0x08, 0x8E);
-	set_idt_gate(&idt, 26, (uintptr_t)_isr26, 0x08, 0x8E);
-	set_idt_gate(&idt, 27, (uintptr_t)_isr27, 0x08, 0x8E);
-	set_idt_gate(&idt, 28, (uintptr_t)_isr28, 0x08, 0x8E);
-	set_idt_gate(&idt, 29, (uintptr_t)_isr29, 0x08, 0x8E);
-	set_idt_gate(&idt, 30, (uintptr_t)_isr30, 0x08, 0x8E);
-	set_idt_gate(&idt, 31, (uintptr_t)_isr31, 0x08, 0x8E);
-
-	init_pic();
-
-	// Install the IRQs
-	set_idt_gate(&idt, 32, (uintptr_t)_irq0, 0x08, 0x8E);
-	set_idt_gate(&idt, 33, (uintptr_t)_irq1, 0x08, 0x8E);
-	set_idt_gate(&idt, 34, (uintptr_t)_irq2, 0x08, 0x8E);
-	set_idt_gate(&idt, 35, (uintptr_t)_irq3, 0x08, 0x8E);
-	set_idt_gate(&idt, 36, (uintptr_t)_irq4, 0x08, 0x8E);
-	set_idt_gate(&idt, 37, (uintptr_t)_irq5, 0x08, 0x8E);
-	set_idt_gate(&idt, 38, (uintptr_t)_irq6, 0x08, 0x8E);
-	set_idt_gate(&idt, 39, (uintptr_t)_irq7, 0x08, 0x8E);
-	set_idt_gate(&idt, 40, (uintptr_t)_irq8, 0x08, 0x8E);
-	set_idt_gate(&idt, 41, (uintptr_t)_irq9, 0x08, 0x8E);
-	set_idt_gate(&idt, 42, (uintptr_t)_irq10, 0x08, 0x8E);
-	set_idt_gate(&idt, 43, (uintptr_t)_irq11, 0x08, 0x8E);
-	set_idt_gate(&idt, 44, (uintptr_t)_irq12, 0x08, 0x8E);
-	set_idt_gate(&idt, 45, (uintptr_t)_irq13, 0x08, 0x8E);
-	set_idt_gate(&idt, 46, (uintptr_t)_irq14, 0x08, 0x8E);
-	set_idt_gate(&idt, 47, (uintptr_t)_irq15, 0x08, 0x8E);
-	set_idt_gate(&idt, 48, (uintptr_t)_irq16, 0x08, 0x8E);
-	set_idt_gate(&idt, 49, (uintptr_t)_irq17, 0x08, 0x8E);
-	set_idt_gate(&idt, 50, (uintptr_t)_irq18, 0x08, 0x8E);
-	set_idt_gate(&idt, 51, (uintptr_t)_irq19, 0x08, 0x8E);
-	set_idt_gate(&idt, 52, (uintptr_t)_irq20, 0x08, 0x8E);
-	set_idt_gate(&idt, 53, (uintptr_t)_irq21, 0x08, 0x8E);
-	set_idt_gate(&idt, 54, (uintptr_t)_irq22, 0x08, 0x8E);
-	set_idt_gate(&idt, 55, (uintptr_t)_irq23, 0x08, 0x8E);
-	set_idt_gate(&idt, 56, (uintptr_t)_irq24, 0x08, 0x8E);
-	set_idt_gate(&idt, 57, (uintptr_t)_irq25, 0x08, 0x8E);
-	set_idt_gate(&idt, 58, (uintptr_t)_irq26, 0x08, 0x8E);
-	set_idt_gate(&idt, 59, (uintptr_t)_irq27, 0x08, 0x8E);
-	set_idt_gate(&idt, 60, (uintptr_t)_irq28, 0x08, 0x8E);
-	set_idt_gate(&idt, 61, (uintptr_t)_irq29, 0x08, 0x8E);
-	set_idt_gate(&idt, 62, (uintptr_t)_irq30, 0x08, 0x8E);
-	set_idt_gate(&idt, 63, (uintptr_t)_irq31, 0x08, 0x8E);
-	set_idt_gate(&idt, 64, (uintptr_t)_irq32, 0x08, 0x8E);
-	set_idt_gate(&idt, 65, (uintptr_t)_irq33, 0x08, 0x8E);
-	set_idt_gate(&idt, 66, (uintptr_t)_irq34, 0x08, 0x8E);
-	set_idt_gate(&idt, 67, (uintptr_t)_irq35, 0x08, 0x8E);
-	set_idt_gate(&idt, 68, (uintptr_t)_irq36, 0x08, 0x8E);
-	set_idt_gate(&idt, 69, (uintptr_t)_irq37, 0x08, 0x8E);
-	set_idt_gate(&idt, 70, (uintptr_t)_irq38, 0x08, 0x8E);
-	set_idt_gate(&idt, 71, (uintptr_t)_irq39, 0x08, 0x8E);
-	set_idt_gate(&idt, 72, (uintptr_t)_irq40, 0x08, 0x8E);
-	set_idt_gate(&idt, 73, (uintptr_t)_irq41, 0x08, 0x8E);
-	set_idt_gate(&idt, 74, (uintptr_t)_irq42, 0x08, 0x8E);
-	set_idt_gate(&idt, 75, (uintptr_t)_irq43, 0x08, 0x8E);
-	set_idt_gate(&idt, 76, (uintptr_t)_irq44, 0x08, 0x8E);
-	set_idt_gate(&idt, 77, (uintptr_t)_irq45, 0x08, 0x8E);
-	set_idt_gate(&idt, 78, (uintptr_t)_irq46, 0x08, 0x8E);
-	set_idt_gate(&idt, 79, (uintptr_t)_irq47, 0x08, 0x8E);
-	set_idt_gate(&idt, 80, (uintptr_t)_irq48, 0x08, 0x8E);
-	set_idt_gate(&idt, 81, (uintptr_t)_irq49, 0x08, 0x8E);
-	set_idt_gate(&idt, 82, (uintptr_t)_irq50, 0x08, 0x8E);
-	set_idt_gate(&idt, 83, (uintptr_t)_irq51, 0x08, 0x8E);
-	set_idt_gate(&idt, 84, (uintptr_t)_irq52, 0x08, 0x8E);
-	set_idt_gate(&idt, 85, (uintptr_t)_irq53, 0x08, 0x8E);
-	set_idt_gate(&idt, 86, (uintptr_t)_irq54, 0x08, 0x8E);
-	set_idt_gate(&idt, 87, (uintptr_t)_irq55, 0x08, 0x8E);
-	set_idt_gate(&idt, 88, (uintptr_t)_irq56, 0x08, 0x8E);
-	set_idt_gate(&idt, 89, (uintptr_t)_irq57, 0x08, 0x8E);
-	set_idt_gate(&idt, 90, (uintptr_t)_irq58, 0x08, 0x8E);
-	set_idt_gate(&idt, 91, (uintptr_t)_irq59, 0x08, 0x8E);
-	set_idt_gate(&idt, 92, (uintptr_t)_irq60, 0x08, 0x8E);
-	set_idt_gate(&idt, 93, (uintptr_t)_irq61, 0x08, 0x8E);
-	set_idt_gate(&idt, 94, (uintptr_t)_irq62, 0x08, 0x8E);
-	set_idt_gate(&idt, 95, (uintptr_t)_irq63, 0x08, 0x8E);
-	set_idt_gate(&idt, 96, (uintptr_t)_irq64, 0x08, 0x8E);
-	set_idt_gate(&idt, 97, (uintptr_t)_irq65, 0x08, 0x8E);
-	set_idt_gate(&idt, 98, (uintptr_t)_irq66, 0x08, 0x8E);
-	set_idt_gate(&idt, 99, (uintptr_t)_irq67, 0x08, 0x8E);
-	set_idt_gate(&idt, 100, (uintptr_t)_irq68, 0x08, 0x8E);
-	set_idt_gate(&idt, 101, (uintptr_t)_irq69, 0x08, 0x8E);
-	set_idt_gate(&idt, 102, (uintptr_t)_irq70, 0x08, 0x8E);
-	set_idt_gate(&idt, 103, (uintptr_t)_irq71, 0x08, 0x8E);
-	set_idt_gate(&idt, 104, (uintptr_t)_irq72, 0x08, 0x8E);
-	set_idt_gate(&idt, 105, (uintptr_t)_irq73, 0x08, 0x8E);
-	set_idt_gate(&idt, 106, (uintptr_t)_irq74, 0x08, 0x8E);
-	set_idt_gate(&idt, 107, (uintptr_t)_irq75, 0x08, 0x8E);
-	set_idt_gate(&idt, 108, (uintptr_t)_irq76, 0x08, 0x8E);
-	set_idt_gate(&idt, 109, (uintptr_t)_irq77, 0x08, 0x8E);
-	set_idt_gate(&idt, 110, (uintptr_t)_irq78, 0x08, 0x8E);
-	set_idt_gate(&idt, 111, (uintptr_t)_irq79, 0x08, 0x8E);
-	set_idt_gate(&idt, 112, (uintptr_t)_irq80, 0x08, 0x8E);
-	set_idt_gate(&idt, 113, (uintptr_t)_irq81, 0x08, 0x8E);
-	set_idt_gate(&idt, 114, (uintptr_t)_irq82, 0x08, 0x8E);
-	set_idt_gate(&idt, 115, (uintptr_t)_irq83, 0x08, 0x8E);
-	set_idt_gate(&idt, 116, (uintptr_t)_irq84, 0x08, 0x8E);
-	set_idt_gate(&idt, 117, (uintptr_t)_irq85, 0x08, 0x8E);
-	set_idt_gate(&idt, 118, (uintptr_t)_irq86, 0x08, 0x8E);
-	set_idt_gate(&idt, 119, (uintptr_t)_irq87, 0x08, 0x8E);
-	set_idt_gate(&idt, 120, (uintptr_t)_irq88, 0x08, 0x8E);
-	set_idt_gate(&idt, 121, (uintptr_t)_irq89, 0x08, 0x8E);
-	set_idt_gate(&idt, 122, (uintptr_t)_irq90, 0x08, 0x8E);
-	set_idt_gate(&idt, 123, (uintptr_t)_irq91, 0x08, 0x8E);
-	set_idt_gate(&idt, 124, (uintptr_t)_irq92, 0x08, 0x8E);
-	set_idt_gate(&idt, 125, (uintptr_t)_irq93, 0x08, 0x8E);
-	set_idt_gate(&idt, 126, (uintptr_t)_irq94, 0x08, 0x8E);
-	set_idt_gate(&idt, 127, (uintptr_t)_irq95, 0x08, 0x8E);
-	set_idt_gate(&idt, 128, (uintptr_t)_irq96, 0x08, 0x8E);
-	set_idt_gate(&idt, 129, (uintptr_t)_irq97, 0x08, 0x8E);
-	set_idt_gate(&idt, 130, (uintptr_t)_irq98, 0x08, 0x8E);
-	set_idt_gate(&idt, 131, (uintptr_t)_irq99, 0x08, 0x8E);
-	set_idt_gate(&idt, 132, (uintptr_t)_irq100, 0x08, 0x8E);
-	set_idt_gate(&idt, 133, (uintptr_t)_irq101, 0x08, 0x8E);
-	set_idt_gate(&idt, 134, (uintptr_t)_irq102, 0x08, 0x8E);
-	set_idt_gate(&idt, 135, (uintptr_t)_irq103, 0x08, 0x8E);
-	set_idt_gate(&idt, 136, (uintptr_t)_irq104, 0x08, 0x8E);
-	set_idt_gate(&idt, 137, (uintptr_t)_irq105, 0x08, 0x8E);
-	set_idt_gate(&idt, 138, (uintptr_t)_irq106, 0x08, 0x8E);
-	set_idt_gate(&idt, 139, (uintptr_t)_irq107, 0x08, 0x8E);
-	set_idt_gate(&idt, 140, (uintptr_t)_irq108, 0x08, 0x8E);
-	set_idt_gate(&idt, 141, (uintptr_t)_irq109, 0x08, 0x8E);
-	set_idt_gate(&idt, 142, (uintptr_t)_irq110, 0x08, 0x8E);
-	set_idt_gate(&idt, 143, (uintptr_t)_irq111, 0x08, 0x8E);
-	set_idt_gate(&idt, 144, (uintptr_t)_irq112, 0x08, 0x8E);
-	set_idt_gate(&idt, 145, (uintptr_t)_irq113, 0x08, 0x8E);
-	set_idt_gate(&idt, 146, (uintptr_t)_irq114, 0x08, 0x8E);
-	set_idt_gate(&idt, 147, (uintptr_t)_irq115, 0x08, 0x8E);
-	set_idt_gate(&idt, 148, (uintptr_t)_irq116, 0x08, 0x8E);
-	set_idt_gate(&idt, 149, (uintptr_t)_irq117, 0x08, 0x8E);
-	set_idt_gate(&idt, 150, (uintptr_t)_irq118, 0x08, 0x8E);
-	set_idt_gate(&idt, 151, (uintptr_t)_irq119, 0x08, 0x8E);
-	set_idt_gate(&idt, 152, (uintptr_t)_irq120, 0x08, 0x8E);
-	set_idt_gate(&idt, 153, (uintptr_t)_irq121, 0x08, 0x8E);
-	set_idt_gate(&idt, 154, (uintptr_t)_irq122, 0x08, 0x8E);
-	set_idt_gate(&idt, 155, (uintptr_t)_irq123, 0x08, 0x8E);
-	set_idt_gate(&idt, 156, (uintptr_t)_irq124, 0x08, 0x8E);
-	set_idt_gate(&idt, 157, (uintptr_t)_irq125, 0x08, 0x8E);
-	set_idt_gate(&idt, 158, (uintptr_t)_irq126, 0x08, 0x8E);
-	set_idt_gate(&idt, 159, (uintptr_t)_irq127, 0x08, 0x8E);
-	set_idt_gate(&idt, 160, (uintptr_t)_irq128, 0x08, 0x8E);
-	set_idt_gate(&idt, 161, (uintptr_t)_irq129, 0x08, 0x8E);
-	set_idt_gate(&idt, 162, (uintptr_t)_irq130, 0x08, 0x8E);
-	set_idt_gate(&idt, 163, (uintptr_t)_irq131, 0x08, 0x8E);
-	set_idt_gate(&idt, 164, (uintptr_t)_irq132, 0x08, 0x8E);
-	set_idt_gate(&idt, 165, (uintptr_t)_irq133, 0x08, 0x8E);
-	set_idt_gate(&idt, 166, (uintptr_t)_irq134, 0x08, 0x8E);
-	set_idt_gate(&idt, 167, (uintptr_t)_irq135, 0x08, 0x8E);
-	set_idt_gate(&idt, 168, (uintptr_t)_irq136, 0x08, 0x8E);
-	set_idt_gate(&idt, 169, (uintptr_t)_irq137, 0x08, 0x8E);
-	set_idt_gate(&idt, 170, (uintptr_t)_irq138, 0x08, 0x8E);
-	set_idt_gate(&idt, 171, (uintptr_t)_irq139, 0x08, 0x8E);
-	set_idt_gate(&idt, 172, (uintptr_t)_irq140, 0x08, 0x8E);
-	set_idt_gate(&idt, 173, (uintptr_t)_irq141, 0x08, 0x8E);
-	set_idt_gate(&idt, 174, (uintptr_t)_irq142, 0x08, 0x8E);
-	set_idt_gate(&idt, 175, (uintptr_t)_irq143, 0x08, 0x8E);
-	set_idt_gate(&idt, 176, (uintptr_t)_irq144, 0x08, 0x8E);
-	set_idt_gate(&idt, 177, (uintptr_t)_irq145, 0x08, 0x8E);
-	set_idt_gate(&idt, 178, (uintptr_t)_irq146, 0x08, 0x8E);
-	set_idt_gate(&idt, 179, (uintptr_t)_irq147, 0x08, 0x8E);
-	set_idt_gate(&idt, 180, (uintptr_t)_irq148, 0x08, 0x8E);
-	set_idt_gate(&idt, 181, (uintptr_t)_irq149, 0x08, 0x8E);
-	set_idt_gate(&idt, 182, (uintptr_t)_irq150, 0x08, 0x8E);
-	set_idt_gate(&idt, 183, (uintptr_t)_irq151, 0x08, 0x8E);
-	set_idt_gate(&idt, 184, (uintptr_t)_irq152, 0x08, 0x8E);
-	set_idt_gate(&idt, 185, (uintptr_t)_irq153, 0x08, 0x8E);
-	set_idt_gate(&idt, 186, (uintptr_t)_irq154, 0x08, 0x8E);
-	set_idt_gate(&idt, 187, (uintptr_t)_irq155, 0x08, 0x8E);
-	set_idt_gate(&idt, 188, (uintptr_t)_irq156, 0x08, 0x8E);
-	set_idt_gate(&idt, 189, (uintptr_t)_irq157, 0x08, 0x8E);
-	set_idt_gate(&idt, 190, (uintptr_t)_irq158, 0x08, 0x8E);
-	set_idt_gate(&idt, 191, (uintptr_t)_irq159, 0x08, 0x8E);
-	set_idt_gate(&idt, 192, (uintptr_t)_irq160, 0x08, 0x8E);
-	set_idt_gate(&idt, 193, (uintptr_t)_irq161, 0x08, 0x8E);
-	set_idt_gate(&idt, 194, (uintptr_t)_irq162, 0x08, 0x8E);
-	set_idt_gate(&idt, 195, (uintptr_t)_irq163, 0x08, 0x8E);
-	set_idt_gate(&idt, 196, (uintptr_t)_irq164, 0x08, 0x8E);
-	set_idt_gate(&idt, 197, (uintptr_t)_irq165, 0x08, 0x8E);
-	set_idt_gate(&idt, 198, (uintptr_t)_irq166, 0x08, 0x8E);
-	set_idt_gate(&idt, 199, (uintptr_t)_irq167, 0x08, 0x8E);
-	set_idt_gate(&idt, 200, (uintptr_t)_irq168, 0x08, 0x8E);
-	set_idt_gate(&idt, 201, (uintptr_t)_irq169, 0x08, 0x8E);
-	set_idt_gate(&idt, 202, (uintptr_t)_irq170, 0x08, 0x8E);
-	set_idt_gate(&idt, 203, (uintptr_t)_irq171, 0x08, 0x8E);
-	set_idt_gate(&idt, 204, (uintptr_t)_irq172, 0x08, 0x8E);
-	set_idt_gate(&idt, 205, (uintptr_t)_irq173, 0x08, 0x8E);
-	set_idt_gate(&idt, 206, (uintptr_t)_irq174, 0x08, 0x8E);
-	set_idt_gate(&idt, 207, (uintptr_t)_irq175, 0x08, 0x8E);
-	set_idt_gate(&idt, 208, (uintptr_t)_irq176, 0x08, 0x8E);
-	set_idt_gate(&idt, 209, (uintptr_t)_irq177, 0x08, 0x8E);
-	set_idt_gate(&idt, 210, (uintptr_t)_irq178, 0x08, 0x8E);
-	set_idt_gate(&idt, 211, (uintptr_t)_irq179, 0x08, 0x8E);
-	set_idt_gate(&idt, 212, (uintptr_t)_irq180, 0x08, 0x8E);
-	set_idt_gate(&idt, 213, (uintptr_t)_irq181, 0x08, 0x8E);
-	set_idt_gate(&idt, 214, (uintptr_t)_irq182, 0x08, 0x8E);
-	set_idt_gate(&idt, 215, (uintptr_t)_irq183, 0x08, 0x8E);
-	set_idt_gate(&idt, 216, (uintptr_t)_irq184, 0x08, 0x8E);
-	set_idt_gate(&idt, 217, (uintptr_t)_irq185, 0x08, 0x8E);
-	set_idt_gate(&idt, 218, (uintptr_t)_irq186, 0x08, 0x8E);
-	set_idt_gate(&idt, 219, (uintptr_t)_irq187, 0x08, 0x8E);
-	set_idt_gate(&idt, 220, (uintptr_t)_irq188, 0x08, 0x8E);
-	set_idt_gate(&idt, 221, (uintptr_t)_irq189, 0x08, 0x8E);
-	set_idt_gate(&idt, 222, (uintptr_t)_irq190, 0x08, 0x8E);
-	set_idt_gate(&idt, 223, (uintptr_t)_irq191, 0x08, 0x8E);
-	set_idt_gate(&idt, 224, (uintptr_t)_irq192, 0x08, 0x8E);
-	set_idt_gate(&idt, 225, (uintptr_t)_irq193, 0x08, 0x8E);
-	set_idt_gate(&idt, 226, (uintptr_t)_irq194, 0x08, 0x8E);
-	set_idt_gate(&idt, 227, (uintptr_t)_irq195, 0x08, 0x8E);
-	set_idt_gate(&idt, 228, (uintptr_t)_irq196, 0x08, 0x8E);
-	set_idt_gate(&idt, 229, (uintptr_t)_irq197, 0x08, 0x8E);
-	set_idt_gate(&idt, 230, (uintptr_t)_irq198, 0x08, 0x8E);
-	set_idt_gate(&idt, 231, (uintptr_t)_irq199, 0x08, 0x8E);
-	set_idt_gate(&idt, 232, (uintptr_t)_irq200, 0x08, 0x8E);
-	set_idt_gate(&idt, 233, (uintptr_t)_irq201, 0x08, 0x8E);
-	set_idt_gate(&idt, 234, (uintptr_t)_irq202, 0x08, 0x8E);
-	set_idt_gate(&idt, 235, (uintptr_t)_irq203, 0x08, 0x8E);
-	set_idt_gate(&idt, 236, (uintptr_t)_irq204, 0x08, 0x8E);
-	set_idt_gate(&idt, 237, (uintptr_t)_irq205, 0x08, 0x8E);
-	set_idt_gate(&idt, 238, (uintptr_t)_irq206, 0x08, 0x8E);
-	set_idt_gate(&idt, 239, (uintptr_t)_irq207, 0x08, 0x8E);
-	set_idt_gate(&idt, 240, (uintptr_t)_irq208, 0x08, 0x8E);
-	set_idt_gate(&idt, 241, (uintptr_t)_irq209, 0x08, 0x8E);
-	set_idt_gate(&idt, 242, (uintptr_t)_irq210, 0x08, 0x8E);
-	set_idt_gate(&idt, 243, (uintptr_t)_irq211, 0x08, 0x8E);
-	set_idt_gate(&idt, 244, (uintptr_t)_irq212, 0x08, 0x8E);
-	set_idt_gate(&idt, 245, (uintptr_t)_irq213, 0x08, 0x8E);
-	set_idt_gate(&idt, 246, (uintptr_t)_irq214, 0x08, 0x8E);
-	set_idt_gate(&idt, 247, (uintptr_t)_irq215, 0x08, 0x8E);
-	set_idt_gate(&idt, 248, (uintptr_t)_irq216, 0x08, 0x8E);
-	set_idt_gate(&idt, 249, (uintptr_t)_irq217, 0x08, 0x8E);
-	set_idt_gate(&idt, 250, (uintptr_t)_irq218, 0x08, 0x8E);
-	set_idt_gate(&idt, 251, (uintptr_t)_irq219, 0x08, 0x8E);
-	set_idt_gate(&idt, 252, (uintptr_t)_irq220, 0x08, 0x8E);
-	set_idt_gate(&idt, 253, (uintptr_t)_irq221, 0x08, 0x8E);
-	set_idt_gate(&idt, 254, (uintptr_t)_irq222, 0x08, 0x8E);
-	set_idt_gate(&idt, 255, (uintptr_t)_irq223, 0x08, 0x8E);
-
-	idt_initialised = 1;
-}
-
-int idt_init(struct idt_ptr *ptr)
-{
-	if (idt_initialised == 0) {
-		init_global_idt();
-	}
-
-	ptr->i_limit = sizeof(idt) - 1;
-	ptr->i_base  = (uintptr_t)&idt;
-
-	return 0;
-}
-
-int idt_load(struct idt_ptr *ptr)
-{
-	__asm__ __volatile__("lidt (%0)" ::"r" (ptr));
-	return 0;
-}
-
-void isr_dispatch(struct cpu_context *regs)
-{
-	printk("received ISR#%u on CPU %u", regs->int_no, this_cpu());
-	int_hook h = isr_handlers[regs->int_no];
-	if (h) {
-		h(regs);
-	} else {
-		panic_irq(regs, "unhandled exception %u", regs->int_no);
-	}
-}
-
-void irq_dispatch(struct cpu_context *regs)
-{
-	end_charge_period();
-
-	if (regs->int_no != IRQ0) {
-		printk("received IRQ#%u on CPU %u", regs->int_no, this_cpu());
-	}
-
-	irq_ack(regs->int_no);
-	struct queue *hooks = &irq_hooks[regs->int_no - IRQ0];
-	queue_foreach(struct irq_hook, hook, hooks, irq_entry) {
-		hook->irq_callback();
-	}
-
-	if (need_resched()) {
-		schedule(SCHED_IRQ);
-	}
-
-	start_charge_period();
-}
-
-void syscall_dispatch(struct cpu_context *regs)
-{
-
-}
-
-void hook_irq(enum irq_vector vec, struct irq_hook *hook)
-{
-	struct queue *hook_queue = &irq_hooks[vec - IRQ0];
-	queue_push_back(hook_queue, &hook->irq_entry);
-}
-
-void unhook_irq(enum irq_vector vec, struct irq_hook *hook)
-{
-	struct queue *hook_queue = &irq_hooks[vec - IRQ0];
-	queue_delete(hook_queue, &hook->irq_entry);
-}
+static uintptr_t int_entry_points[NR_IDT_ENTRIES] = {
+	[0] = (uintptr_t)_isr0,
+	[1] = (uintptr_t)_isr1,
+	[2] = (uintptr_t)_isr2,
+	[3] = (uintptr_t)_isr3,
+	[4] = (uintptr_t)_isr4,
+	[5] = (uintptr_t)_isr5,
+	[6] = (uintptr_t)_isr6,
+	[7] = (uintptr_t)_isr7,
+	[8] = (uintptr_t)_isr8,
+	[9] = (uintptr_t)_isr9,
+	[10] = (uintptr_t)_isr10,
+	[11] = (uintptr_t)_isr11,
+	[12] = (uintptr_t)_isr12,
+	[13] = (uintptr_t)_isr13,
+	[14] = (uintptr_t)_isr14,
+	[15] = (uintptr_t)_isr15,
+	[16] = (uintptr_t)_isr16,
+	[17] = (uintptr_t)_isr17,
+	[18] = (uintptr_t)_isr18,
+	[19] = (uintptr_t)_isr19,
+	[20] = (uintptr_t)_isr20,
+	[21] = (uintptr_t)_isr21,
+	[22] = (uintptr_t)_isr22,
+	[23] = (uintptr_t)_isr23,
+	[24] = (uintptr_t)_isr24,
+	[25] = (uintptr_t)_isr25,
+	[26] = (uintptr_t)_isr26,
+	[27] = (uintptr_t)_isr27,
+	[28] = (uintptr_t)_isr28,
+	[29] = (uintptr_t)_isr29,
+	[30] = (uintptr_t)_isr30,
+	[31] = (uintptr_t)_isr31,
+	[32] = (uintptr_t)_irq0,
+	[33] = (uintptr_t)_irq1,
+	[34] = (uintptr_t)_irq2,
+	[35] = (uintptr_t)_irq3,
+	[36] = (uintptr_t)_irq4,
+	[37] = (uintptr_t)_irq5,
+	[38] = (uintptr_t)_irq6,
+	[39] = (uintptr_t)_irq7,
+	[40] = (uintptr_t)_irq8,
+	[41] = (uintptr_t)_irq9,
+	[42] = (uintptr_t)_irq10,
+	[43] = (uintptr_t)_irq11,
+	[44] = (uintptr_t)_irq12,
+	[45] = (uintptr_t)_irq13,
+	[46] = (uintptr_t)_irq14,
+	[47] = (uintptr_t)_irq15,
+	[48] = (uintptr_t)_irq16,
+	[49] = (uintptr_t)_irq17,
+	[50] = (uintptr_t)_irq18,
+	[51] = (uintptr_t)_irq19,
+	[52] = (uintptr_t)_irq20,
+	[53] = (uintptr_t)_irq21,
+	[54] = (uintptr_t)_irq22,
+	[55] = (uintptr_t)_irq23,
+	[56] = (uintptr_t)_irq24,
+	[57] = (uintptr_t)_irq25,
+	[58] = (uintptr_t)_irq26,
+	[59] = (uintptr_t)_irq27,
+	[60] = (uintptr_t)_irq28,
+	[61] = (uintptr_t)_irq29,
+	[62] = (uintptr_t)_irq30,
+	[63] = (uintptr_t)_irq31,
+	[64] = (uintptr_t)_irq32,
+	[65] = (uintptr_t)_irq33,
+	[66] = (uintptr_t)_irq34,
+	[67] = (uintptr_t)_irq35,
+	[68] = (uintptr_t)_irq36,
+	[69] = (uintptr_t)_irq37,
+	[70] = (uintptr_t)_irq38,
+	[71] = (uintptr_t)_irq39,
+	[72] = (uintptr_t)_irq40,
+	[73] = (uintptr_t)_irq41,
+	[74] = (uintptr_t)_irq42,
+	[75] = (uintptr_t)_irq43,
+	[76] = (uintptr_t)_irq44,
+	[77] = (uintptr_t)_irq45,
+	[78] = (uintptr_t)_irq46,
+	[79] = (uintptr_t)_irq47,
+	[80] = (uintptr_t)_irq48,
+	[81] = (uintptr_t)_irq49,
+	[82] = (uintptr_t)_irq50,
+	[83] = (uintptr_t)_irq51,
+	[84] = (uintptr_t)_irq52,
+	[85] = (uintptr_t)_irq53,
+	[86] = (uintptr_t)_irq54,
+	[87] = (uintptr_t)_irq55,
+	[88] = (uintptr_t)_irq56,
+	[89] = (uintptr_t)_irq57,
+	[90] = (uintptr_t)_irq58,
+	[91] = (uintptr_t)_irq59,
+	[92] = (uintptr_t)_irq60,
+	[93] = (uintptr_t)_irq61,
+	[94] = (uintptr_t)_irq62,
+	[95] = (uintptr_t)_irq63,
+	[96] = (uintptr_t)_irq64,
+	[97] = (uintptr_t)_irq65,
+	[98] = (uintptr_t)_irq66,
+	[99] = (uintptr_t)_irq67,
+	[100] = (uintptr_t)_irq68,
+	[101] = (uintptr_t)_irq69,
+	[102] = (uintptr_t)_irq70,
+	[103] = (uintptr_t)_irq71,
+	[104] = (uintptr_t)_irq72,
+	[105] = (uintptr_t)_irq73,
+	[106] = (uintptr_t)_irq74,
+	[107] = (uintptr_t)_irq75,
+	[108] = (uintptr_t)_irq76,
+	[109] = (uintptr_t)_irq77,
+	[110] = (uintptr_t)_irq78,
+	[111] = (uintptr_t)_irq79,
+	[112] = (uintptr_t)_irq80,
+	[113] = (uintptr_t)_irq81,
+	[114] = (uintptr_t)_irq82,
+	[115] = (uintptr_t)_irq83,
+	[116] = (uintptr_t)_irq84,
+	[117] = (uintptr_t)_irq85,
+	[118] = (uintptr_t)_irq86,
+	[119] = (uintptr_t)_irq87,
+	[120] = (uintptr_t)_irq88,
+	[121] = (uintptr_t)_irq89,
+	[122] = (uintptr_t)_irq90,
+	[123] = (uintptr_t)_irq91,
+	[124] = (uintptr_t)_irq92,
+	[125] = (uintptr_t)_irq93,
+	[126] = (uintptr_t)_irq94,
+	[127] = (uintptr_t)_irq95,
+	[128] = (uintptr_t)_irq96,
+	[129] = (uintptr_t)_irq97,
+	[130] = (uintptr_t)_irq98,
+	[131] = (uintptr_t)_irq99,
+	[132] = (uintptr_t)_irq100,
+	[133] = (uintptr_t)_irq101,
+	[134] = (uintptr_t)_irq102,
+	[135] = (uintptr_t)_irq103,
+	[136] = (uintptr_t)_irq104,
+	[137] = (uintptr_t)_irq105,
+	[138] = (uintptr_t)_irq106,
+	[139] = (uintptr_t)_irq107,
+	[140] = (uintptr_t)_irq108,
+	[141] = (uintptr_t)_irq109,
+	[142] = (uintptr_t)_irq110,
+	[143] = (uintptr_t)_irq111,
+	[144] = (uintptr_t)_irq112,
+	[145] = (uintptr_t)_irq113,
+	[146] = (uintptr_t)_irq114,
+	[147] = (uintptr_t)_irq115,
+	[148] = (uintptr_t)_irq116,
+	[149] = (uintptr_t)_irq117,
+	[150] = (uintptr_t)_irq118,
+	[151] = (uintptr_t)_irq119,
+	[152] = (uintptr_t)_irq120,
+	[153] = (uintptr_t)_irq121,
+	[154] = (uintptr_t)_irq122,
+	[155] = (uintptr_t)_irq123,
+	[156] = (uintptr_t)_irq124,
+	[157] = (uintptr_t)_irq125,
+	[158] = (uintptr_t)_irq126,
+	[159] = (uintptr_t)_irq127,
+	[160] = (uintptr_t)_irq128,
+	[161] = (uintptr_t)_irq129,
+	[162] = (uintptr_t)_irq130,
+	[163] = (uintptr_t)_irq131,
+	[164] = (uintptr_t)_irq132,
+	[165] = (uintptr_t)_irq133,
+	[166] = (uintptr_t)_irq134,
+	[167] = (uintptr_t)_irq135,
+	[168] = (uintptr_t)_irq136,
+	[169] = (uintptr_t)_irq137,
+	[170] = (uintptr_t)_irq138,
+	[171] = (uintptr_t)_irq139,
+	[172] = (uintptr_t)_irq140,
+	[173] = (uintptr_t)_irq141,
+	[174] = (uintptr_t)_irq142,
+	[175] = (uintptr_t)_irq143,
+	[176] = (uintptr_t)_irq144,
+	[177] = (uintptr_t)_irq145,
+	[178] = (uintptr_t)_irq146,
+	[179] = (uintptr_t)_irq147,
+	[180] = (uintptr_t)_irq148,
+	[181] = (uintptr_t)_irq149,
+	[182] = (uintptr_t)_irq150,
+	[183] = (uintptr_t)_irq151,
+	[184] = (uintptr_t)_irq152,
+	[185] = (uintptr_t)_irq153,
+	[186] = (uintptr_t)_irq154,
+	[187] = (uintptr_t)_irq155,
+	[188] = (uintptr_t)_irq156,
+	[189] = (uintptr_t)_irq157,
+	[190] = (uintptr_t)_irq158,
+	[191] = (uintptr_t)_irq159,
+	[192] = (uintptr_t)_irq160,
+	[193] = (uintptr_t)_irq161,
+	[194] = (uintptr_t)_irq162,
+	[195] = (uintptr_t)_irq163,
+	[196] = (uintptr_t)_irq164,
+	[197] = (uintptr_t)_irq165,
+	[198] = (uintptr_t)_irq166,
+	[199] = (uintptr_t)_irq167,
+	[200] = (uintptr_t)_irq168,
+	[201] = (uintptr_t)_irq169,
+	[202] = (uintptr_t)_irq170,
+	[203] = (uintptr_t)_irq171,
+	[204] = (uintptr_t)_irq172,
+	[205] = (uintptr_t)_irq173,
+	[206] = (uintptr_t)_irq174,
+	[207] = (uintptr_t)_irq175,
+	[208] = (uintptr_t)_irq176,
+	[209] = (uintptr_t)_irq177,
+	[210] = (uintptr_t)_irq178,
+	[211] = (uintptr_t)_irq179,
+	[212] = (uintptr_t)_irq180,
+	[213] = (uintptr_t)_irq181,
+	[214] = (uintptr_t)_irq182,
+	[215] = (uintptr_t)_irq183,
+	[216] = (uintptr_t)_irq184,
+	[217] = (uintptr_t)_irq185,
+	[218] = (uintptr_t)_irq186,
+	[219] = (uintptr_t)_irq187,
+	[220] = (uintptr_t)_irq188,
+	[221] = (uintptr_t)_irq189,
+	[222] = (uintptr_t)_irq190,
+	[223] = (uintptr_t)_irq191,
+	[224] = (uintptr_t)_irq192,
+	[225] = (uintptr_t)_irq193,
+	[226] = (uintptr_t)_irq194,
+	[227] = (uintptr_t)_irq195,
+	[228] = (uintptr_t)_irq196,
+	[229] = (uintptr_t)_irq197,
+	[230] = (uintptr_t)_irq198,
+	[231] = (uintptr_t)_irq199,
+	[232] = (uintptr_t)_irq200,
+	[233] = (uintptr_t)_irq201,
+	[234] = (uintptr_t)_irq202,
+	[235] = (uintptr_t)_irq203,
+	[236] = (uintptr_t)_irq204,
+	[237] = (uintptr_t)_irq205,
+	[238] = (uintptr_t)_irq206,
+	[239] = (uintptr_t)_irq207,
+	[240] = (uintptr_t)_irq208,
+	[241] = (uintptr_t)_irq209,
+	[242] = (uintptr_t)_irq210,
+	[243] = (uintptr_t)_irq211,
+	[244] = (uintptr_t)_irq212,
+	[245] = (uintptr_t)_irq213,
+	[246] = (uintptr_t)_irq214,
+	[247] = (uintptr_t)_irq215,
+	[248] = (uintptr_t)_irq216,
+	[249] = (uintptr_t)_irq217,
+	[250] = (uintptr_t)_irq218,
+	[251] = (uintptr_t)_irq219,
+	[252] = (uintptr_t)_irq220,
+	[253] = (uintptr_t)_irq221,
+	[254] = (uintptr_t)_irq222,
+	[255] = (uintptr_t)_irq223,
+};