1 files changed, 56 insertions, 0 deletions
diff --git a/src/interrupts/interrupt_vector.S b/src/interrupts/interrupt_vector.S
new file mode 100644
index 0000000..1ec80f7
--- /dev/null
+++ b/src/interrupts/interrupt_vector.S
@@ -0,0 +1,56 @@
+_interrupt_vectors:
+	b reset_handler_caller
+	b undef_handler_caller
+	b svc_handler_caller
+	b abort_handler_caller
+	b abort_handler_caller
+	b generic_handler_caller
+	b irq_handler_caller
+	b fiq_handler_caller
+	
+reset_handler_caller:
+	ldr sp, =_supervisor_stack_top
+	ldr r5, =reset_handler
+	bx r5
+	
+undef_handler_caller:
+	ldr sp, =_supervisor_stack_top
+	ldr r5, =undefined_instruction_vector
+	bx r5
+
+svc_handler_caller:
+	ldr sp, =_supervisor_stack_top
+	push {r0-r12, lr}
+	mov r0, sp
+	ldr r5, =supervisor_call_handler
+	blx r5
+	ldm sp!, {r0-r12, pc} ^
+	
+abort_handler_caller:
+	ldr sp, =_supervisor_stack_top
+	ldr r5, =abort_handler
+	bx r5
+
+generic_handler_caller:
+	ldr sp, =_supervisor_stack_top
+	ldr r5, =generic_handler
+	bx r5
+
+irq_handler_caller:
+	ldr sp, =_irq_stack_top
+	sub lr, #4
+	push {r0-r12, lr}
+	mov r0, sp
+	ldr r3, =irq_handler
+	blx r3
+	ldm sp!, {r0-r12, pc} ^
+
+fiq_handler_caller:
+	ldr sp, =_fiq_stack_top
+	ldr r5, =fiq_handler
+	bx r5
+
+irq:
+	mov sp, #0x8000
+	ldr r5, =abort_handler
+    subs pc,lr,#4