From 13b239faf1c7f1d21fd4b0b774ea90c97c536623 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Sun, 23 Jan 2022 13:15:31 -0700
Subject: Fixed argument

---
 src/cpu/irq.c      | 7 +++++++
 src/sys/schedule.c | 4 ++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/cpu/irq.c b/src/cpu/irq.c
index 1b5e09f..fd0cbd5 100644
--- a/src/cpu/irq.c
+++ b/src/cpu/irq.c
@@ -12,6 +12,7 @@
 #include <util/time.h>
 
 void localtest(void);
+void uarttest(unsigned char);
 
 void c_irq_handler(void)
 {
@@ -90,6 +91,7 @@ void c_irq_handler(void)
 						} else {
 							cmd[off] = (char) data;
 							off += 1;
+							add_thread(uarttest, (void*)data, 2);
 						}
 					} else if (off == 2048) {
 						if (data == 0x0D) {
@@ -246,3 +248,8 @@ unsigned long c_fiq_handler(void)
 void localtest(void)
 {
 }
+
+void uarttest(unsigned char a)
+{
+	uart_char(a);
+}
diff --git a/src/sys/schedule.c b/src/sys/schedule.c
index ebf60bc..ad7feec 100644
--- a/src/sys/schedule.c
+++ b/src/sys/schedule.c
@@ -77,9 +77,9 @@ void add_thread(void* pc, void* arg, unsigned char priority)
 	if (r.sp) {
 		thread->sp_base = r.idx;
 		unsigned long* argp = r.sp;
-		argp -= 1;
-		*argp = (unsigned long)arg; // Set r0 to the argument
 		argp -= 13;
+		*argp = (unsigned long)arg; // Set r0 to the argument
+		argp -= 1;
 		*(unsigned long**)argp = (unsigned long*)cleanup; // Set lr to the cleanup function
 		thread->sp = (void*)argp;
 		thread->status = THREAD_READY;
-- 
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