From a1f49718aee378fa075303c86106309091d56b80 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Mon, 31 Jan 2022 19:05:50 -0700
Subject: Break exceptions off to own files

---
 src/exceptions/prefetch.S | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 src/exceptions/prefetch.S

(limited to 'src/exceptions/prefetch.S')

diff --git a/src/exceptions/prefetch.S b/src/exceptions/prefetch.S
new file mode 100644
index 0000000..1aeba10
--- /dev/null
+++ b/src/exceptions/prefetch.S
@@ -0,0 +1,20 @@
+.section ".text.exceptions"
+.globl prefetch
+prefetch:
+	cpsid aif
+	stmfd sp!, {r0-r12,lr}
+	mov r4, lr
+	mov r0, #0
+	mov r1, #16
+	ldr r2, =prefetch_msg
+	bl draw_string
+	// Output return address
+	mov r0, #17
+	mov r1, #16
+	mov r2, r4
+	bl draw_hex32
+	ldmfd sp!, {r0-r12,lr}
+	subs pc, lr, #4
+
+.section .data
+prefetch_msg:	.asciz "Prefetch Handler"
-- 
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