rp2040

commit 11b13529567ab1195ab0affefbf51e5c222748f2
parent aacd50a70d96c4a4cd5c1fabc41a8d76debf2c68
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Fri, 23 Feb 2024 15:50:41 +0900

fix bug and delete debugging code

Diffstat:
M
ex3/boot2.s
 | 
2
+-
M
ex3/main.s
 | 
9
---------

2 files changed, 1 insertion(+), 10 deletions(-)
diff --git a/ex3/boot2.s b/ex3/boot2.s
@@ -17,7 +17,7 @@ setup_xip:
 	ldr r1, [r0, #4] // entry point
 	ldr r0, [r0, #0] // stack pointer
 	mov sp, r0
-	b reset
+	bx r1
 
 	.align 2
 rom_base:
diff --git a/ex3/main.s b/ex3/main.s
@@ -8,7 +8,6 @@ vectors:
 	.word (reset+1)  // entry point
 
 	.section .text
-	.global reset
 reset:
 	// unreset gpio, pll_sys, uart0
 	ldr r0, =(1 << 22 | 1 << 12 | 1 << 5) // uart0 | pll_sys | io_bank0
@@ -105,14 +104,6 @@ wait_vco:
 	sub r1, r1, #4
 	mov r0, #1
 	str r0, [r3, r1] // M0PLUS: SYST_CSR
-debug:
-	ldr r0, ='\r'
-	bl putbyte
-	ldr r4, =(0xe0000000 + 0xed08)
-	ldr r0, [r4, #0] // M0PLUS: VTOR
-	bl printh
-	ldr r0, ='\n'
-	bl putbyte
 
 	ldr r4, ppb_base
 	ldr r5, =0xe018