arm7 sbss section

1 files changed, 139 insertions, 0 deletions

diff --git a/arm7/asm/crt0.s b/arm7/asm/crt0.s
new file mode 100644
index 00000000..d25a70dd
--- /dev/null
+++ b/arm7/asm/crt0.s
@@ -0,0 +1,139 @@
+	.include "asm/macros.inc"
+	.include "global.inc"
+	.global ARM7AutoLoad
+
+	.section .text
+	arm_func_start _start
+
+_start:
+	mov	ip, #67108864	; 0x4000000
+	str	ip, [ip, #520]	; 0x208
+	ldr	r1, _23800cc
+	mov	r0, #58720256	; 0x3800000
+	cmp	r0, r1
+	movpl	r1, r0
+	ldr	r2, _23800d0
+	mov	r0, #0
+_02380020:
+	cmp	r1, r2
+	stmltia	r1!, {r0}
+	blt	_02380020
+	mov	r0, #19
+	msr	CPSR_c, r0
+	ldr	sp, _23800d4
+	mov	r0, #18
+	msr	CPSR_c, r0
+	ldr	r0, _23800d8
+	mov	sp, r0
+	ldr	r1, _23800dc
+	sub	r1, r0, r1
+	mov	r0, #31
+	msr	CPSR_fsxc, r0
+	sub	sp, r1, #4
+	ldr	r0, _23800e0
+	ldr	r1, _23800e4
+	add	r2, r1, #352	; 0x160
+_02380068:
+	ldr	r3, [r0], #4
+	str	r3, [r1], #4
+	cmp	r1, r2
+	bmi	_02380068
+	ldr	r0, _23800e8
+	add	r2, r1, #32
+_02380080:
+	ldr	r3, [r0], #4
+	str	r3, [r1], #4
+	cmp	r1, r2
+	bmi	_02380080
+	bl	FUN_2380100
+	ldr	r0, _23800ec
+	ldr	r1, [r0, #12]
+	ldr	r2, [r0, #16]
+	mov	r0, #0
+_023800a4:
+	cmp	r1, r2
+	strcc	r0, [r1], #4
+	bcc	_023800a4
+	bl	FUN_238015C
+	ldr	r1, _23800f0
+	ldr	r0, _23800f4
+	str	r0, [r1]
+	ldr	r1, _23800f8
+	ldr	lr, _23800fc
+	bx	r1
+_23800cc:	.word SDK_STATIC_BSS_START
+_23800d0:	.word 0x0380ff00
+_23800d4:	.word 0x0380ffc0
+_23800d8:	.word 0x0380ff80
+_23800dc:	.word 0x00000400
+_23800e0:	.word 0x023fe940
+_23800e4:	.word 0x027ffa80
+_23800e8:	.word 0x023fe904
+_23800ec:	.word _2380198
+_23800f0:	.word 0x0380fffc
+_23800f4:	.word 0x037f853c
+_23800f8:	.word 0x037f8468
+_23800fc:	.word 0xffff0000
+	arm_func_end _start
+
+	arm_func_start FUN_2380100
+FUN_2380100:
+	ldr	r0, _2380154
+	ldr	r1, [r0]
+	ldr	r2, [r0, #4]
+	ldr	r3, [r0, #8]
+_02380110:
+	cmp	r1, r2
+	beq	_02380150
+	ldr	r4, [r1], #4
+	ldr	r5, [r1], #4
+	add	r6, r4, r5
+_02380124:
+	cmp	r4, r6
+	ldrmi	r7, [r3], #4
+	strmi	r7, [r4], #4
+	bmi	_02380124
+	ldr	r5, [r1], #4
+	add	r6, r4, r5
+	mov	r7, #0
+_02380140:
+	cmp	r4, r6
+	strcc	r7, [r4], #4
+	bcc	_02380140
+	beq	_02380110
+_02380150:
+	b	ARM7AutoLoad
+_2380154:	.word _2380198
+ARM7AutoLoad:
+	bx	lr
+	arm_func_end FUN_2380100
+
+	arm_func_start FUN_238015C
+FUN_238015C:
+	mov	r0, #1
+	mov	r1, #0
+	ldr	r2, _2380194
+	sub	r3, r2, #4194304	; 0x400000
+_0238016c:
+	strh	r1, [r2]
+	ldrh	ip, [r3]
+	cmp	r1, ip
+	movne	r0, #2
+	bne	_0238018c
+	add	r1, r1, #1
+	cmp	r1, #2
+	bne	_0238016c
+_0238018c:
+	strh	r0, [r2]
+	bx	lr
+_2380194:	.word 0x027ffffa
+	arm_func_end FUN_238015C
+
+_2380198:
+	.word SDK_AUTOLOAD_LIST
+	.word SDK_AUTOLOAD_LIST_END
+	.word SDK_AUTOLOAD_START
+	.word SDK_STATIC_BSS_START
+	.word SDK_STATIC_BSS_END
+
+	.balign 16, 0