rp2040

commit 8a347c5c0da05100a62c21f461cd4cc4e0e343ab
parent dfe368ecd912b49a10165cb34c95491e5759a87c
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Mon, 18 Mar 2024 12:36:05 +0900

change automatically saved pc

Diffstat:
M
ex3/main.c
 | 
1
-
M
ex3/proc.s
 | 
4
++--

2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/ex3/main.c b/ex3/main.c
@@ -63,7 +63,6 @@ main(void) {
 	p1.r[15] = 0x20000101; // pc
 	p1.next = NULL;
 
-	proc0();
 	for (;;) {
 		wfi();
 		for (int i = 0; i < 17; i++) {
diff --git a/ex3/proc.s b/ex3/proc.s
@@ -99,8 +99,8 @@ isr_alarm:
 	add r3, r3, #4
 	ldr r0, [r1, r2]
 	str r0, [r1, r3] // ReturnAddress(ExceptionType): The next pc at interrupt.
-//	ldr r0, =0x20000101 // The entry point of proc1
-//	str r0, [r1, r2]
+	ldr r0, =0x20000101 // The entry point of proc1
+	str r0, [r1, r2]
 
 	add r2, r2, #4
 	add r3, r3, #4