X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=rpikern;a=blobdiff_plain;f=src%2Fintrasm.s;fp=src%2Fintrasm.s;h=4ef2cd020e7d113ab4c79a1c35a27c5a3d8c805b;hp=0000000000000000000000000000000000000000;hb=574147e84aafb61db3cf8b595d2a12ce5ba160de;hpb=99bdc8838f189f79ba77bfbbf41d7f1b4839ce0f

diff --git a/src/intrasm.s b/src/intrasm.s
new file mode 100644
index 0000000..4ef2cd0
--- /dev/null
+++ b/src/intrasm.s
@@ -0,0 +1,28 @@
+	.code 32
+
+	.section .vect
+	.extern startup
+intr_vector:
+	b startup
+	b intr_entry_undef
+	b intr_entry_swi
+	b intr_entry_iabort
+	b intr_entry_dabort
+	b intr_entry_irq
+
+	@ FIQ entry point used for timer interrupts
+	.extern num_ticks
+intr_entry_fiq:
+	ldr r9, =num_ticks
+	ldr r8, [r9]
+	add r8, #1
+	str r8, [r9]
+	subs pc, lr, #4
+
+	.text
+intr_entry_undef:
+intr_entry_swi:
+intr_entry_iabort:
+intr_entry_dabort:
+intr_entry_irq:
+	subs pc, lr, #4