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rename entry.s to crt0.s

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This commit is contained in:
PikalaxALT
2020-04-21 21:28:04 -04:00
parent d433a8c484
commit 2c3be236e9
9 changed files with 818 additions and 779 deletions
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2
Makefile
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@@ -80,7 +80,7 @@ OBJCOPY := $(CROSS)objcopy
# ./tools/mwccarm/2.0/base/mwasmarm.exe -proc arm5te asm/arm9_thumb.s -o arm9.o
ASFLAGS = -proc arm5te
CFLAGS = -O4,p -proc v5te -thumb -fp soft -lang c99 -Cpp_exceptions off -ir include
LDFLAGS = -map -nodead -w off -proc v5te -interworking -map -symtab -m Entry
LDFLAGS = -map -nodead -w off -proc v5te -interworking -map -symtab -m _start
####################### Other Tools #########################

65
asm/entry.s → asm/crt0.s
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@@ -2,9 +2,10 @@
.include "global.inc"
.text
.set SDK_IRQ_STACKSIZE, 0x400
arm_func_start Entry
Entry: ; 0x02000800
arm_func_start _start
_start: ; 0x02000800
mov ip, #0x4000000
str ip, [ip, #0x208]
_02000808:
@@ -14,12 +15,12 @@ _02000808:
bl init_cp15
mov r0, #0x13
msr cpsr_c, r0
ldr r0, _02000918 ; =0x027E0000
ldr r0, _02000918 ; =SDK_AUTOLOAD_DTCM_START
add r0, r0, #0x3fc0
mov sp, r0
mov r0, #0x12
msr cpsr_c, r0
ldr r0, _02000918 ; =0x027E0000
ldr r0, _02000918 ; =SDK_AUTOLOAD_DTCM_START
add r0, r0, #0x3fc0
sub r0, r0, #0x40
sub sp, r0, #4
@@ -31,7 +32,7 @@ _02000808:
msr cpsr_fsxc, r0
sub sp, r1, #4
mov r0, #0
ldr r1, _02000918 ; =0x027E0000
ldr r1, _02000918 ; =SDK_AUTOLOAD_DTCM_START
mov r2, #0x4000
bl INITi_CpuClear32
mov r0, #0
@@ -42,11 +43,11 @@ _02000808:
ldr r1, _02000924 ; =0x07000000
mov r2, #1024
bl INITi_CpuClear32
ldr r1, _02000928 ; =_02000B68
ldr r1, _02000928 ; =_start_ModuleParams
ldr r0, [r1, #20]
bl MIi_UncompressBackward
bl do_autoload
ldr r0, _02000928 ; =_02000B68
ldr r0, _02000928 ; =_start_ModuleParams
ldr r1, [r0, #12]
ldr r2, [r0, #16]
mov r3, r1
@@ -65,29 +66,29 @@ _020008C4:
blt _020008C4
ldr r1, _0200092C ; =0x027FFF9C
str r0, [r1]
ldr r1, _02000918 ; =0x027E0000
ldr r1, _02000918 ; =SDK_AUTOLOAD_DTCM_START
add r1, r1, #16320
add r1, r1, #60
ldr r0, _02000930 ; =0x01FF8000
ldr r0, _02000930 ; =OS_IrqHandler
str r0, [r1]
bl _fp_init
bl FUN_02000B64_dummy
bl NitroStartUp
bl __call_static_initializers
ldr r1, _02000934 ; =0x02000C55
ldr lr, _02000938 ; =0xFFFF0000
tst sp, #4
subne sp, sp, #4
bx r1
_02000918: .word 0x027E0000
_0200091C: .word 0x00000400
_02000918: .word SDK_AUTOLOAD_DTCM_START
_0200091C: .word SDK_IRQ_STACKSIZE
_02000920: .word 0x05000000
_02000924: .word 0x07000000
_02000928: .word _02000B68
_02000928: .word _start_ModuleParams
_0200092C: .word 0x027FFF9C
_02000930: .word 0x01FF8000
_02000930: .word OS_IrqHandler
_02000934: .word NitroMain
_02000938: .word 0xFFFF0000
arm_func_end Entry
arm_func_end _start
arm_func_start INITi_CpuClear32
INITi_CpuClear32:
@@ -156,7 +157,7 @@ _020009F8:
arm_func_start do_autoload
do_autoload:
ldr r0, =_02000B68
ldr r0, =_start_ModuleParams
ldr r1, [r0]
ldr r2, [r0, #4]
ldr r3, [r0, #8]
@@ -189,10 +190,10 @@ _02000A50:
blt _02000A50
b _02000A0C
_02000A6C:
b ARM9AutoLoad
b _start_AutoloadDoneCallback
.pool
.global ARM9AutoLoad
ARM9AutoLoad:
.global _start_AutoloadDoneCallback
_start_AutoloadDoneCallback:
bx lr
arm_func_end do_autoload
@@ -214,7 +215,7 @@ init_cp15: ; 0x02000A78
mcr p15, 0x0, r0, c6, c2, 0x0
ldr r0, =0x08000035
mcr p15, 0x0, r0, c6, c3, 0x0
ldr r0, =0x027E0000
ldr r0, =SDK_AUTOLOAD_DTCM_START
orr r0, r0, #0x1a
orr r0, r0, #1
mcr p15, 0x0, r0, c6, c4, 0x0
@@ -226,7 +227,7 @@ init_cp15: ; 0x02000A78
mcr p15, 0x0, r0, c6, c7, 0x0
mov r0, #0x20
mcr p15, 0x0, r0, c9, c1, 0x1
ldr r0, =0x027E0000
ldr r0, =SDK_AUTOLOAD_DTCM_START
orr r0, r0, #0xa
mcr p15, 0x0, r0, c9, c1, 0x0
mov r0, #0x42
@@ -247,22 +248,22 @@ init_cp15: ; 0x02000A78
.align 2, 0
.pool
arm_func_start FUN_02000B60_dummy
FUN_02000B60_dummy: ; 0x02000B60
arm_func_start OSi_ReferSymbol
OSi_ReferSymbol: ; 0x02000B60
bx lr
arm_func_start FUN_02000B64_dummy
FUN_02000B64_dummy: ; 0x02000B64
arm_func_start NitroStartUp
NitroStartUp: ; 0x02000B64
bx lr
_02000B68:
.word 0x02107700
.word 0x02107724
.word 0x02106FA0
.word 0x02106FA0
.word 0x021D74E0
_start_ModuleParams:
.word SDK_AUTOLOAD_LIST
.word SDK_AUTOLOAD_LIST_END
.word SDK_AUTOLOAD_START
.word SDK_STATIC_BSS_START
.word SDK_STATIC_BSS_END
.word 0x00000000
.byte 0x31, 0x75, 0x02, 0x03, 0x21, 0x06, 0xC0, 0xDE, 0xDE, 0xC0, 0x06, 0x21
# strings

1496
asm/rom2_2.s
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File diff suppressed because it is too large Load Diff

4
asm/rom_header.s
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@@ -100,8 +100,8 @@ ROMControlInfo3:
.short 0x0D7E
.global ARM9AutoLoadHook
ARM9AutoLoadHook:
.extern ARM9AutoLoad
.word ARM9AutoLoad
.extern _start_AutoloadDoneCallback
.word _start_AutoloadDoneCallback
.global ARM7AutoLoadHook
ARM7AutoLoadHook:
.extern ARM7AutoLoad

4
asm/unk_02038C78.s
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@@ -1658,9 +1658,7 @@ _020398F6:
_02039908:
add r0, r0, #0x5
b _020398EC
thumb_func_start FUN_0203990C
FUN_0203990C: ; 0x0203990C
_0203990C: ; 0x0203990C
bx lr
nop
_02039910: .word 0x0000FFFF

4
asm/unk_10b724.s
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@@ -1,2 +1,4 @@
.text
.incbin "baserom.nds", 0x10B724, 0xC
.word 0xdec00621
.word 0x00000b68
.word 0x00000000

7
global.inc
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@@ -3236,3 +3236,10 @@
.extern FUN_02046338
.extern FUN_02046380
.extern FUN_0206AC74
.extern SDK_AUTOLOAD_DTCM_START
.extern SDK_AUTOLOAD_LIST
.extern SDK_AUTOLOAD_LIST_END
.extern SDK_AUTOLOAD_START
.extern SDK_STATIC_BSS_START
.extern SDK_STATIC_BSS_END
.extern OS_IrqHandler

12
pokediamond.lcf
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@@ -2,7 +2,7 @@
MEMORY {
header (RWX) : ORIGIN=0, LENGTH=0
arm9 (RWX) : ORIGIN=0x2000000, LENGTH=0
garbage (RWX) : ORIGIN=0, LENGTH=0
unk_10b724 (RWX) : ORIGIN=0, LENGTH=0
arm9overlay (RWX) : ORIGIN=0, LENGTH=0
arm7 (RWX) : ORIGIN=0x2380000, LENGTH=0
filenametable (RWX) : ORIGIN=0, LENGTH=0
@@ -375,7 +375,7 @@ SECTIONS {
.arm9 : AT (0x4000) {
secure.o (.text)
entry.o (.text)
crt0.o (.text)
main.o (.text)
FUN_02000DF4.o (.text)
unk_02000E0C.o (.text)
@@ -396,14 +396,14 @@ SECTIONS {
rom2_2.o (.data)
} > arm9
.unk_10b724 : AT (0x10B724) {
unk_10b724.o (.text)
} > unk_10b724
.arm9overlay : AT (0x10B800) {
arm9overlay.o (.text)
} > arm9overlay
.garbage : AT (0x10B724) {
unk_10b724.o (.text)
} > garbage
.FILE_10C400 : AT (0x10C400) {
FILE_10C400.o (.text) /* 0x10C400 */
} > rom3.FILE_10C400

3
undefined_syms.txt
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@@ -1,5 +1,6 @@
CONST_34 = 0x00000034;
CONST_3F = 0x0000003F;
OS_IrqHandler = 0x01FF8000;
FUN_01FF84A4 = 0x01FF84A4;
FUN_01FF84E4 = 0x01FF84E4;
FUN_01FF8544 = 0x01FF8544;
@@ -812,4 +813,6 @@ FUN_0224F12C = 0x0224F12C;
FUN_02252534 = 0x02252534;
FUN_02252538 = 0x02252538;
FUN_022567E0 = 0x022567E0;
SDK_AUTOLOAD_DTCM_START = 0x027E0000;
SDK_STATIC_BSS_END = 0x021D74E0;
gUnk027FFC20 = 0x027FFC20;