sovereignx/asm/malloc.s

	thumb_func_start malloc_header
; void malloc_header(struct memblk *blk, struct memblk *prev, struct memblk *next, u32 size)
malloc_header: ; 8000988
	push {r4,lr}
	movs r4, 0
	strh r4, [r0]
	ldr r4, =0x0000a3a3
	strh r4, [r0, 0x2]
	str r3, [r0, 0x4]
	str r1, [r0, 0x8]
	str r2, [r0, 0xC]
	pop {r4}
	pop {r0}
	bx r0
	.align 2, 0
	.pool
	thumb_func_end malloc_header

	thumb_func_start malloc_unlinked_header
; void malloc_unlinked_header(struct memblk *blk, u32 size)
malloc_unlinked_header: ; 80009A4
	push {lr}
	adds r2, r0, 0
	adds r3, r1, 0
	subs r3, 0x10
	adds r1, r2, 0
	bl malloc_header
	pop {r0}
	bx r0
	thumb_func_end malloc_unlinked_header

	thumb_func_start malloc_core
; void *malloc_core(struct memblk *head, u32 size)
malloc_core: ; 80009B8
	push {r4-r6,lr}
	adds r4, r0, 0
	adds r6, r4, 0
	movs r0, 0x3
	ands r0, r1
	cmp r0, 0
	beq @080009CC
	lsrs r0, r1, 2
	adds r0, 0x1
	lsls r1, r0, 2
@080009CC:
	movs r2, 0x1
@080009CE:
	ldrh r0, [r4]
	cmp r0, 0
	bne @08000A0C
	ldr r3, [r4, 0x4]
	cmp r3, r1
	bcc @08000A0C
	subs r0, r3, r1
	cmp r0, 0x1F
	bhi @080009E4
	strh r2, [r4]
	b @08000A06
@080009E4:
	subs r3, 0x10
	subs r3, r1
	adds r0, r1, 0
	adds r0, 0x10
	adds r5, r4, r0
	strh r2, [r4]
	str r1, [r4, 0x4]
	ldr r2, [r4, 0xC]
	adds r0, r5, 0
	adds r1, r4, 0
	bl malloc_header
	str r5, [r4, 0xC]
	ldr r0, [r5, 0xC]
	cmp r0, r6
	beq @08000A06
	str r5, [r0, 0x8]
@08000A06:
	adds r0, r4, 0
	adds r0, 0x10
	b @08000A18
@08000A0C:
	ldr r0, [r4, 0xC]
	cmp r0, r6
	beq @08000A16
	adds r4, r0, 0
	b @080009CE
@08000A16:
	movs r0, 0
@08000A18:
	pop {r4-r6}
	pop {r1}
	bx r1
	thumb_func_end malloc_core

	thumb_func_start free_core
; void free_core(struct memblk *head, struct memblk *node)
free_core: ; 8000A20
	push {r4,r5,lr}
	cmp r1, 0
	beq @08000A7C
	adds r5, r0, 0
	adds r2, r1, 0
	subs r2, 0x10
	movs r0, 0
	strh r0, [r2]
	ldr r3, [r2, 0xC]
	cmp r3, r5
	beq @08000A54
	ldrh r4, [r3]
	cmp r4, 0
	bne @08000A54
	ldr r0, [r2, 0x4]
	adds r0, 0x10
	ldr r1, [r3, 0x4]
	adds r0, r1
	str r0, [r2, 0x4]
	strh r4, [r3, 0x2]
	ldr r0, [r2, 0xC]
	ldr r0, [r0, 0xC]
	str r0, [r2, 0xC]
	cmp r0, r5
	beq @08000A54
	str r2, [r0, 0x8]
@08000A54:
	cmp r2, r5
	beq @08000A7C
	ldr r1, [r2, 0x8]
	ldrh r3, [r1]
	cmp r3, 0
	bne @08000A7C
	ldr r0, [r2, 0xC]
	str r0, [r1, 0xC]
	ldr r1, [r2, 0xC]
	cmp r1, r5
	beq @08000A6E
	ldr r0, [r2, 0x8]
	str r0, [r1, 0x8]
@08000A6E:
	strh r3, [r2, 0x2]
	ldr r0, [r2, 0x8]
	ldr r1, [r0, 0x4]
	adds r1, 0x10
	ldr r2, [r2, 0x4]
	adds r1, r2
	str r1, [r0, 0x4]
@08000A7C:
	pop {r4,r5}
	pop {r0}
	bx r0
	thumb_func_end free_core

	thumb_func_start malloc_core_and_clear
; void *malloc_core_and_clear(struct memblk *head, unsigned int size)
malloc_core_and_clear: ; 8000A84
	push {r4,r5,lr}
	sub sp, 0x4
	adds r4, r1, 0
	bl malloc_core
	adds r5, r0, 0
	cmp r5, 0
	beq @08000AB8
	movs r0, 0x3
	ands r0, r4
	cmp r0, 0
	beq @08000AA2
	lsrs r0, r4, 2
	adds r0, 0x1
	lsls r4, r0, 2
@08000AA2:
	movs r0, 0
	str r0, [sp]
	lsls r2, r4, 9
	lsrs r2, 11
	movs r0, 0xA0
	lsls r0, 19
	orrs r2, r0
	mov r0, sp
	adds r1, r5, 0
	bl CpuSet
@08000AB8:
	adds r0, r5, 0
	add sp, 0x4
	pop {r4,r5}
	pop {r1}
	bx r1
	thumb_func_end malloc_core_and_clear

	thumb_func_start check_memblk_core
; _BOOL4 check_memblk_core(struct memblk *head, struct memblk *node)
check_memblk_core: ; 8000AC4
	push {r4,r5,lr}
	adds r5, r0, 0
	adds r3, r1, 0
	subs r3, 0x10
	ldrh r2, [r3, 0x2]
	ldr r0, =0x0000a3a3
	cmp r2, r0
	bne @08000B0A
	ldr r0, [r3, 0xC]
	ldrh r1, [r0, 0x2]
	adds r4, r0, 0
	cmp r1, r2
	bne @08000B0A
	cmp r4, r5
	beq @08000AE8
	ldr r0, [r4, 0x8]
	cmp r0, r3
	bne @08000B0A
@08000AE8:
	ldr r2, [r3, 0x8]
	ldrh r1, [r2, 0x2]
	ldr r0, =0x0000a3a3
	cmp r1, r0
	bne @08000B0A
	cmp r2, r5
	beq @08000AFC
	ldr r0, [r2, 0xC]
	cmp r0, r3
	bne @08000B0A
@08000AFC:
	cmp r4, r5
	beq @08000B14
	ldr r0, [r3, 0x4]
	adds r0, 0x10
	adds r0, r3, r0
	cmp r4, r0
	beq @08000B14
@08000B0A:
	movs r0, 0
	b @08000B16
	.align 2, 0
	.pool
@08000B14:
	movs r0, 0x1
@08000B16:
	pop {r4,r5}
	pop {r1}
	bx r1
	thumb_func_end check_memblk_core

	thumb_func_start init_malloc
; void init_malloc(u32 heapStart, u32 heapSize)
init_malloc: ; 8000B1C
	push {lr}
	ldr r2, =0x03000004
	str r0, [r2]
	ldr r2, =0x03000008
	str r1, [r2]
	bl malloc_unlinked_header
	pop {r0}
	bx r0
	.align 2, 0
	.pool
	thumb_func_end init_malloc

	thumb_func_start malloc
; void *malloc(u32 size)
malloc: ; 8000B38
	push {lr}
	adds r1, r0, 0
	ldr r0, =0x03000004
	ldr r0, [r0]
	bl malloc_core
	pop {r1}
	bx r1
	.align 2, 0
	.pool
	thumb_func_end malloc

	thumb_func_start malloc_and_clear
; void *malloc_and_clear(u32 size)
malloc_and_clear: ; 8000B4C
	push {lr}
	adds r1, r0, 0
	ldr r0, =0x03000004
	ldr r0, [r0]
	bl malloc_core_and_clear
	pop {r1}
	bx r1
	.align 2, 0
	.pool
	thumb_func_end malloc_and_clear

	thumb_func_start free
; void free(void *ptr)
free: ; 8000B60
	push {lr}
	adds r1, r0, 0
	ldr r0, =0x03000004
	ldr r0, [r0]
	bl free_core
	pop {r0}
	bx r0
	.align 2, 0
	.pool
	thumb_func_end free

	thumb_func_start check_memblk
; _BOOL4 check_memblk(struct memblk *node)
check_memblk: ; 8000B74
	push {lr}
	adds r1, r0, 0
	ldr r0, =0x03000004
	ldr r0, [r0]
	bl check_memblk_core
	pop {r1}
	bx r1
	.align 2, 0
	.pool
	thumb_func_end check_memblk

	thumb_func_start check_all_memblks
; _BOOL4 check_all_memblks()
check_all_memblks: ; 8000B88
	push {r4,r5,lr}
	ldr r0, =0x03000004
	ldr r4, [r0]
	adds r5, r0, 0
@08000B90:
	ldr r0, [r5]
	adds r1, r4, 0
	adds r1, 0x10
	bl check_memblk_core
	cmp r0, 0
	beq @08000BB0
	ldr r4, [r4, 0xC]
	ldr r0, [r5]
	cmp r4, r0
	bne @08000B90
	movs r0, 0x1
	b @08000BB2
	.align 2, 0
	.pool
@08000BB0:
	movs r0, 0
@08000BB2:
	pop {r4,r5}
	pop {r1}
	bx r1
	thumb_func_end check_all_memblks