From 7bf965b755b667f7da05e0995c2f09c54a8a2f11 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Thu, 15 Dec 2022 00:41:05 -0600
Subject: Implement swi (system call)

---
 sim/start.S | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

(limited to 'sim/start.S')

diff --git a/sim/start.S b/sim/start.S
index 65c49c1..28ff728 100644
--- a/sim/start.S
+++ b/sim/start.S
@@ -7,7 +7,7 @@ __undefined:
 	b undefined
 
 __swi:
-	b .
+	b swi
 
 __prefetch_abort:
 	b prefetch_abort
@@ -30,14 +30,11 @@ __fiq:
 _start:
 	ldr sp, =_stack_end
 	bl  reset
-
-.global halt
-halt:
-exc_default:
 	b   .
 
-.weak undefined, data_abort, prefetch_abort, irq
-.set undefined, exc_default
-.set data_abort, exc_default
-.set prefetch_abort, exc_default
-.set irq, exc_default
+.weak undefined, swi, data_abort, prefetch_abort, irq
+.set swi, __swi
+.set undefined, __undefined
+.set data_abort, __data_abort
+.set prefetch_abort, __prefetch_abort
+.set irq, __irq
-- 
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