From 36413cc8227d25f3b6d3c3c6f0311403adf7428f Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Thu, 17 Mar 2022 08:26:08 -0700
Subject: Fixed Mutex Block Return Address
---
src/exceptions/svc.S | 1 +
1 file changed, 1 insertion(+)
(limited to 'src')
diff --git a/src/exceptions/svc.S b/src/exceptions/svc.S
index 7c8a9cc..88716db 100644
--- a/src/exceptions/svc.S
+++ b/src/exceptions/svc.S
@@ -64,6 +64,7 @@ svc_000004_delay_mutex: // Wait-queue the current thread
// r0 = struct Lock* m
bl sched_mutex_yield
ldmfd sp!, {r0-r12,lr}
+ sub lr, #4
b schedule
svc_000005: // Release Lock
ldr r0, [sp, #0] // struct Lock* m
--
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