From 1fbbb6f15fef8e958b57728d59d1912aeea7c7c6 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Fri, 18 Mar 2022 16:02:08 -0700
Subject: Supervisor Call to Add Thread

---
 src/exceptions/svc.S | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'src/exceptions')

diff --git a/src/exceptions/svc.S b/src/exceptions/svc.S
index 8494281..d14344b 100644
--- a/src/exceptions/svc.S
+++ b/src/exceptions/svc.S
@@ -27,8 +27,15 @@ svc_000001: // SYS_TIME
 svc_000002: // Run Schedule
 	ldmfd sp!, {r0-r12,lr}
 	b schedule
-svc_000003: // Unused
-	b svc_exit
+svc_000003: // Add Thread
+	ldr r0, [sp, #0]
+	ldr r1, [sp, #4]
+	ldr r2, [sp, #8]
+	and r2, #0xFF
+	bl svc_add_thread
+	str r0, [sp, #0]
+	ldmfd sp!, {r0-r12,lr}
+	b schedule
 svc_000004: // Lock Lock (usr_r0 = struct Lock*)
 	ldr r3, =scheduler
 	ldr r2, [r3, #0] // struct Thread* rthread
-- 
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