Merged my changes

There you have it!
This commit is contained in:
Aurora 2016-02-08 03:37:03 +01:00
parent 7f2597fe2f
commit 42b39c9ab8
29 changed files with 611 additions and 588 deletions

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@ -20,7 +20,7 @@ dir_build := build
dir_mset := CakeHax
dir_out := out
dir_emu := emunand
dir_thread := thread
dir_reboot := reboot
dir_ninjhax := CakeBrah
ASFLAGS := -mlittle-endian -mcpu=arm946e-s -march=armv5te
@ -33,16 +33,28 @@ objects_cfw = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
.PHONY: all
all: launcher emunand thread ninjhax
all: launcher emunand emunando3ds reboot reboot2 rebootntr reboot2ntr ninjhax
.PHONY: launcher
launcher: $(dir_out)/$(name).dat
.PHONY: emunand
emunand: $(dir_out)/rei/emunand/emunand.bin
emunand: $(dir_out)/rei-n3ds/emunand/emunand.bin
.PHONY: thread
thread: $(dir_out)/rei/thread/arm9.bin
.PHONY: emunando3ds
emunand: $(dir_out)/rei-o3ds/emunand/emunand.bin
.PHONY: reboot
reboot: $(dir_out)/rei-o3ds/reboot/reboot1.bin
.PHONY: reboot2
reboot: $(dir_out)/rei-o3ds/reboot/reboot2.bin
.PHONY: rebootntr
reboot: $(dir_out)/ntr-o3ds/reboot/reboot1.bin
.PHONY: reboot2ntr
reboot: $(dir_out)/ntr-o3ds/reboot/reboot2.bin
.PHONY: ninjhax
ninjhax: $(dir_out)/3ds/$(name)
@ -54,7 +66,7 @@ clean:
rm -rf $(dir_out) $(dir_build)
.PHONY: $(dir_out)/$(name).dat
$(dir_out)/$(name).dat: $(dir_build)/main.bin $(dir_out)/rei/
$(dir_out)/$(name).dat: $(dir_build)/main.bin $(dir_out)/rei-n3ds/ $(dir_out)/rei-o3ds/
@$(MAKE) $(FLAGS) -C $(dir_mset) launcher
dd if=$(dir_build)/main.bin of=$@ bs=512 seek=144
@ -63,20 +75,40 @@ $(dir_out)/3ds/$(name):
@$(MAKE) $(FLAGS) -C $(dir_ninjhax)
@mv $(dir_out)/$(name).3dsx $@
@mv $(dir_out)/$(name).smdh $@
$(dir_out)/rei-n3ds/: $(dir_data)/firmware.bin
@mkdir -p "$(dir_out)/rei-n3ds"
@cp -av $(dir_data)/firmware.bin $@
$(dir_out)/rei-o3ds/: $(dir_data)/firmwareo3ds.bin
@mkdir -p "$(dir_out)/rei-o3ds"
@cp -av $(dir_data)/firmwareo3ds.bin $(dir_out)/rei-o3ds/firmware.bin
$(dir_out)/rei/: $(dir_data)/firmware.bin $(dir_data)/splash.bin $(dir_data)/RAM.txt
@mkdir -p "$(dir_out)/rei"
@cp -av $(dir_data)/* $@
$(dir_out)/rei/thread/arm9.bin: $(dir_thread)
@$(MAKE) $(FLAGS) -C $(dir_thread)
@mkdir -p "$(dir_out)/rei/thread"
@mv $(dir_thread)/arm9.bin $(dir_out)/rei/thread
$(dir_out)/rei/emunand/emunand.bin: $(dir_emu)/emuCode.s
$(dir_out)/rei-n3ds/emunand/emunand.bin: $(dir_emu)/emuCode.s
@armips $<
@mkdir -p "$(dir_out)/rei/emunand"
@mv emunand.bin $(dir_out)/rei/emunand
@mkdir -p "$(dir_out)/rei-n3ds/emunand"
@mv emunand.bin $(dir_out)/rei-n3ds/emunand
$(dir_out)/rei-o3ds/emunand/emunand.bin: $(dir_emu)/emuCodeo3ds.s
@armips $<
@mkdir -p "$(dir_out)/rei-o3ds/emunand"
@mv emunand.bin $(dir_out)/rei-o3ds/emunand
$(dir_out)/rei-o3ds/reboot/reboot1.bin: $(dir_reboot)/rebootCode.s
@armips $<
@mkdir -p "$(dir_out)/rei-o3ds/reboot"
@mv reboot1.bin $(dir_out)/rei-o3ds/reboot
$(dir_out)/rei-o3ds/reboot/reboot2.bin: $(dir_reboot)/rebootCode.s
@mv reboot2.bin $(dir_out)/rei-o3ds/reboot
$(dir_out)/ntr-o3ds/reboot/reboot1.bin: $(dir_reboot)/rebootCodeNtr.s
@armips $<
@mkdir -p "$(dir_out)/ntr-o3ds/reboot"
@mv reboot1.bin $(dir_out)/ntr-o3ds/reboot
$(dir_out)/ntr-o3ds/reboot/reboot2.bin: $(dir_reboot)/rebootCodeNtr.s
@mv reboot2.bin $(dir_out)/ntr-o3ds/reboot
$(dir_build)/main.bin: $(dir_build)/main.elf
$(OC) -S -O binary $< $@

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@ -1 +0,0 @@
536870912

Binary file not shown.

Binary file not shown.

50
emunand/emuCodeo3ds.s Normal file
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@ -0,0 +1,50 @@
.nds
sdmmc equ 0x434D4453 ;dummy
.create "emunand.bin", 0x0801A4C0
.org 0x0801A4C0
.arm
nand_sd:
; Original code that still needs to be executed.
mov r4, r0
mov r5, r1
mov r7, r2
mov r6, r3
; End.
; If we're already trying to access the SD, return.
ldr r2, [r0, #4]
ldr r1, =sdmmc
cmp r2, r1
beq nand_sd_ret
str r1, [r0, #4] ; Set object to be SD
ldr r2, [r0, #8] ; Get sector to read
cmp r2, #0 ; For GW compatibility, see if we're trying to read the ncsd header (sector 0)
ldr r3, =nand_offset
ldr r3, [r3]
add r2, r3 ; Add the offset to the NAND in the SD.
ldreq r3, =ncsd_header_offset
ldreq r3, [r3]
addeq r2, r3 ; If we're reading the ncsd header, add the offset of that sector.
str r2, [r0, #8] ; Store sector to read
nand_sd_ret:
; Restore registers.
mov r1, r5
mov r2, r7
mov r3, r6
; Return 4 bytes behind where we got called,
; due to the offset of this function being stored there.
mov r0, lr
add r0, #4
bx r0
.pool
nand_offset: .ascii "NAND" ; for rednand this should be 1
ncsd_header_offset: .ascii "NCSD" ; depends on nand manufacturer + emunand type (GW/RED)
.close

159
reboot/rebootCode.s Normal file
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@ -0,0 +1,159 @@
.nds
firm_size equ 0x000EA000
firm_addr equ 0x24000000
fopen equ 0x08059D10
fread equ 0x0804CC54
pxi_wait_recv equ 0x08054134
.macro svc, num
.if isArm()
.word 0xEF000000 | num
.else
.if num > 0xFF
.error "bitch you crazu"
.endif
.halfword 0xDF00 | num
.endif
.endmacro
.create "reboot1.bin", 0x080849DC
.org 0x080849DC
.arm
patch005:
ldr r0, =0x2000E000
mov r1, #0x200
mov r2, #0
add r1, r1, r0
@@memset_loop:
str r2, [r0]
add r0, r0, #4
cmp r0, r1
blt @@memset_loop
ldr r0, =0x2000E000
ldr r1, =firm_fname
mov r2, #1
blx fopen
ldr r0, =0x2000E000
ldr r1, =0x2000E100
mov r2, #firm_addr
mov r3, #firm_size
blx fread
ldr r4, =0x44846
blx pxi_wait_recv
cmp r0, r4
bne patch005
mov r2, #0
mov r3, r2
mov r1, r2
mov r0, r2
svc 0x7C
ldr r0, =0x80FF4FC
svc 0x7B
@@inf_loop:
b @@inf_loop
.pool
firm_fname:
.close
.create "reboot2.bin", 0x080933CC
.org 0x080933CC
.arm
stmfd sp!, {r4-r11,lr}
sub sp, sp, #0x3C
mrc p15, 0, r0, c2, c0, 0 ; dcacheable
mrc p15, 0, r12, c2, c0, 1 ; icacheable
mrc p15, 0, r1, c3, c0, 0 ; write bufferable
mrc p15, 0, r2, c5, c0, 2 ; daccess
mrc p15, 0, r3, c5, c0, 3 ; iaccess
ldr r4, =0x18000035 ; 0x18000000 128M
bic r2, r2, #0xF0000 ; unprotect region 4
bic r3, r3, #0xF0000 ; unprotect region 4
orr r0, r0, #0x10 ; dcacheable region 4
orr r2, r2, #0x30000 ; region 4 r/w
orr r3, r3, #0x30000 ; region 4 r/w
orr r12, r12, #0x10 ; icacheable region 4
orr r1, r1, #0x10 ; write bufferable region 4
mcr p15, 0, r0, c2, c0, 0
mcr p15, 0, r12, c2, c0, 1
mcr p15, 0, r1, c3, c0, 0 ; write bufferable
mcr p15, 0, r2, c5, c0, 2 ; daccess
mcr p15, 0, r3, c5, c0, 3 ; iaccess
mcr p15, 0, r4, c6, c4, 0 ; region 4 (hmmm)
mrc p15, 0, r0, c2, c0, 0 ; dcacheable
mrc p15, 0, r1, c2, c0, 1 ; icacheable
mrc p15, 0, r2, c3, c0, 0 ; write bufferable
orr r0, r0, #0x20 ; dcacheable region 5
orr r1, r1, #0x20 ; icacheable region 5
orr r2, r2, #0x20 ; write bufferable region 5
mcr p15, 0, r0, c2, c0, 0 ; dcacheable
mcr p15, 0, r1, c2, c0, 1 ; icacheable
mcr p15, 0, r2, c3, c0, 0 ; write bufferable
mov r4, #firm_addr
add r3, r4, #0x40
ldr r0, [r3] ; offset
add r0, r0, r4 ; src
ldr r1, [r3,#4] ; dst
ldr r2, [r3,#8] ; size
bl memcpy32
add r3, r4, #0x70
ldr r0, [r3]
add r0, r0, r4 ; src
ldr r1, [r3,#4] ; dst
ldr r2, [r3,#8] ; size
bl memcpy32
add r3, r4, #0xA0
ldr r0, [r3]
add r0, r0, r4 ; src
ldr r1, [r3,#4] ; dst
ldr r2, [r3,#8] ; size
bl memcpy32
mov r2, #0
mov r1, r2
@flush_cache:
mov r0, #0
mov r3, r2, lsl#30
@flush_cache_inner_loop:
orr r12, r3, r0, lsl#5
mcr p15, 0, r1, c7, c10, 4 ; drain write buffer
mcr p15, 0, r12, c7, c14, 2 ; clean and flush dcache entry (index and segment)
add r0, r0, #1
cmp r0, #0x20
bcc @flush_cache_inner_loop
add r2, r2, #1
cmp r2, #4
bcc @flush_cache
mcr p15, 0, r1, c7, c10, 4 ; drain write buffer
@mpu_enable:
ldr r0, =0x42078 ; alt vector select, enable itcm
mcr p15, 0, r0, c1, c0, 0
mcr p15, 0, r1, c7, c5, 0 ; flush dcache
mcr p15, 0, r1, c7, c6, 0 ; flush icache
mcr p15, 0, r1, c7, c10, 4 ; drain write buffer
mov r0, #firm_addr
mov r1, 0X1FFFFFFC
ldr r2, [r0,#8] ; arm11 entry
str r2, [r1]
ldr r0, [r0,#0xC] ; arm9 entry
add sp, sp, #0x3C
ldmfd sp!, {r4-r11,lr}
bx r0
.pool
memcpy32: ; memcpy32(void *src, void *dst, unsigned int size)
mov r12, lr
stmfd sp!, {r0-r4}
add r2, r2, r0
@memcpy_loop:
ldr r3, [r0], #4
str r3, [r1], #4
cmp r0, r2
blt @memcpy_loop
ldmfd sp!, {r0-r4}
mov lr, r12
bx lr
.pool
.close

159
reboot/rebootCodeNtr.s Normal file
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@ -0,0 +1,159 @@
.nds
firm_size equ 0x000EB000
firm_addr equ 0x24000000
fopen equ 0x0805B180
fread equ 0x0804D9B0
pxi_wait_recv equ 0x08055178
.macro svc, num
.if isArm()
.word 0xEF000000 | num
.else
.if num > 0xFF
.error "bitch you crazu"
.endif
.halfword 0xDF00 | num
.endif
.endmacro
.create "reboot1.bin", 0x080859C8
.org 0x080859C8
.arm
patch005:
ldr r0, =0x2000E000
mov r1, #0x200
mov r2, #0
add r1, r1, r0
@@memset_loop:
str r2, [r0]
add r0, r0, #4
cmp r0, r1
blt @@memset_loop
ldr r0, =0x2000E000
ldr r1, =firm_fname
mov r2, #1
blx fopen
ldr r0, =0x2000E000
ldr r1, =0x2000E100
mov r2, #firm_addr
mov r3, #firm_size
blx fread
ldr r4, =0x44846
blx pxi_wait_recv
cmp r0, r4
bne patch005
mov r2, #0
mov r3, r2
mov r1, r2
mov r0, r2
svc 0x7C
ldr r0, =0x80FF4FC
svc 0x7B
@@inf_loop:
b @@inf_loop
.pool
firm_fname:
.close
.create "reboot2.bin", 0x08094454
.org 0x08094454
.arm
stmfd sp!, {r4-r11,lr}
sub sp, sp, #0x3C
mrc p15, 0, r0, c2, c0, 0 ; dcacheable
mrc p15, 0, r12, c2, c0, 1 ; icacheable
mrc p15, 0, r1, c3, c0, 0 ; write bufferable
mrc p15, 0, r2, c5, c0, 2 ; daccess
mrc p15, 0, r3, c5, c0, 3 ; iaccess
ldr r4, =0x18000035 ; 0x18000000 128M
bic r2, r2, #0xF0000 ; unprotect region 4
bic r3, r3, #0xF0000 ; unprotect region 4
orr r0, r0, #0x10 ; dcacheable region 4
orr r2, r2, #0x30000 ; region 4 r/w
orr r3, r3, #0x30000 ; region 4 r/w
orr r12, r12, #0x10 ; icacheable region 4
orr r1, r1, #0x10 ; write bufferable region 4
mcr p15, 0, r0, c2, c0, 0
mcr p15, 0, r12, c2, c0, 1
mcr p15, 0, r1, c3, c0, 0 ; write bufferable
mcr p15, 0, r2, c5, c0, 2 ; daccess
mcr p15, 0, r3, c5, c0, 3 ; iaccess
mcr p15, 0, r4, c6, c4, 0 ; region 4 (hmmm)
mrc p15, 0, r0, c2, c0, 0 ; dcacheable
mrc p15, 0, r1, c2, c0, 1 ; icacheable
mrc p15, 0, r2, c3, c0, 0 ; write bufferable
orr r0, r0, #0x20 ; dcacheable region 5
orr r1, r1, #0x20 ; icacheable region 5
orr r2, r2, #0x20 ; write bufferable region 5
mcr p15, 0, r0, c2, c0, 0 ; dcacheable
mcr p15, 0, r1, c2, c0, 1 ; icacheable
mcr p15, 0, r2, c3, c0, 0 ; write bufferable
mov r4, #firm_addr
add r3, r4, #0x40
ldr r0, [r3] ; offset
add r0, r0, r4 ; src
ldr r1, [r3,#4] ; dst
ldr r2, [r3,#8] ; size
bl memcpy32
add r3, r4, #0x70
ldr r0, [r3]
add r0, r0, r4 ; src
ldr r1, [r3,#4] ; dst
ldr r2, [r3,#8] ; size
bl memcpy32
add r3, r4, #0xA0
ldr r0, [r3]
add r0, r0, r4 ; src
ldr r1, [r3,#4] ; dst
ldr r2, [r3,#8] ; size
bl memcpy32
mov r2, #0
mov r1, r2
@flush_cache:
mov r0, #0
mov r3, r2, lsl#30
@flush_cache_inner_loop:
orr r12, r3, r0, lsl#5
mcr p15, 0, r1, c7, c10, 4 ; drain write buffer
mcr p15, 0, r12, c7, c14, 2 ; clean and flush dcache entry (index and segment)
add r0, r0, #1
cmp r0, #0x20
bcc @flush_cache_inner_loop
add r2, r2, #1
cmp r2, #4
bcc @flush_cache
mcr p15, 0, r1, c7, c10, 4 ; drain write buffer
@mpu_enable:
ldr r0, =0x42078 ; alt vector select, enable itcm
mcr p15, 0, r0, c1, c0, 0
mcr p15, 0, r1, c7, c5, 0 ; flush dcache
mcr p15, 0, r1, c7, c6, 0 ; flush icache
mcr p15, 0, r1, c7, c10, 4 ; drain write buffer
mov r0, #firm_addr
mov r1, 0X1FFFFFFC
ldr r2, [r0,#8] ; arm11 entry
str r2, [r1]
ldr r0, [r0,#0xC] ; arm9 entry
add sp, sp, #0x3C
ldmfd sp!, {r4-r11,lr}
bx r0
.pool
memcpy32: ; memcpy32(void *src, void *dst, unsigned int size)
mov r12, lr
stmfd sp!, {r0-r4}
add r2, r2, r0
@memcpy_loop:
ldr r3, [r0], #4
str r3, [r1], #4
cmp r0, r2
blt @memcpy_loop
ldmfd sp!, {r0-r4}
mov lr, r12
bx lr
.pool
.close

69
source/crypto.c Normal file → Executable file
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@ -353,57 +353,70 @@ int rsa_verify(const void* data, u32 size, const void* sig, u32 mode)
return memcmp(dataHash, decSig + (sigSize - SHA_256_HASH_SIZE), SHA_256_HASH_SIZE) == 0;
}
void xor(u8 *dest, u8 *data1, u8 *data2, u32 size){
int i; for(i = 0; i < size; i++) *(dest+i) = *(data1+i) ^ *(data2+i);
}
/****************************************************************
* Nand/FIRM Crypto stuff
****************************************************************/
const u8 memeKey[0x10] = {
0x52, 0x65, 0x69, 0x20, 0x69, 0x73, 0x20, 0x62, 0x65, 0x73, 0x74, 0x20, 0x67, 0x69, 0x72, 0x6C
};
//Get Nand CTR key
void getNandCTR(u8 *buf, u8 console) {
u8 *addr = console ? (u8*)0x080D8BBC : (u8*)0x080D797C;
u8 keyLen = 0x10; //CTR length
addr += 0x0F;
while (keyLen --) { *(buf++) = *(addr--); }
}
//Read firm0 from NAND and write to buffer
void nandFirm0(u8 *outbuf, const u32 size, u8 console){
u8 CTR[0x10];
getNandCTR(CTR, console);
aes_advctr(CTR, 0x0B130000/0x10, AES_INPUT_BE | AES_INPUT_NORMAL);
sdmmc_nand_readsectors(0x0B130000 / 0x200, size / 0x200, outbuf);
aes_use_keyslot(0x06);
aes(outbuf, outbuf, size / AES_BLOCK_SIZE, CTR, AES_CTR_MODE, AES_INPUT_BE | AES_INPUT_NORMAL);
}
//Emulates the Arm9loader process
void arm9loader(void *armHdr){
void arm9loader(void *armHdr, u8 mode){
//Nand key#2 (0x12C10)
u8 key2[0x10] = {
0x10, 0x5A, 0xE8, 0x5A, 0x4A, 0x21, 0x78, 0x53, 0x0B, 0x06, 0xFA, 0x1A, 0x5E, 0x2A, 0x5C, 0xBC
0x42, 0x3F, 0x81, 0x7A, 0x23, 0x52, 0x58, 0x31, 0x6E, 0x75, 0x8E, 0x3A, 0x39, 0x43, 0x2E, 0xD0
};
//Firm keys
u8 keyX[0x10];
u8 keyY[0x10];
u8 CTR[0x10];
u32 slot = 0x16;
u32 slot = mode ? 0x16 : 0x15;
//Setup keys needed for arm9bin decryption
xor(key2, key2, memeKey, 0x10);
memcpy((u8*)keyY, (void *)((uintptr_t)armHdr+0x10), 0x10);
memcpy((u8*)CTR, (void *)((uintptr_t)armHdr+0x20), 0x10);
u32 size = atoi((void *)((uintptr_t)armHdr+0x30));
//Set 0x11 to key2 for the arm9bin and misc keys
aes_setkey(0x11, (u8*)key2, AES_KEYNORMAL, AES_INPUT_BE | AES_INPUT_NORMAL);
aes_use_keyslot(0x11);
//Set 0x16 keyX, keyY and CTR
aes((u8*)keyX, (void *)((uintptr_t)armHdr+0x60), 1, NULL, AES_ECB_DECRYPT_MODE, 0);
aes_setkey(slot, (u8*)keyX, AES_KEYX, AES_INPUT_BE | AES_INPUT_NORMAL);
if(mode){
//Set 0x11 to key2 for the arm9bin and misc keys
aes_setkey(0x11, (u8*)key2, AES_KEYNORMAL, AES_INPUT_BE | AES_INPUT_NORMAL);
aes_use_keyslot(0x11);
aes((u8*)keyX, (void *)((uintptr_t)armHdr+0x60), 1, NULL, AES_ECB_DECRYPT_MODE, 0);
aes_setkey(slot, (u8*)keyX, AES_KEYX, AES_INPUT_BE | AES_INPUT_NORMAL);
}
aes_setkey(slot, (u8*)keyY, AES_KEYY, AES_INPUT_BE | AES_INPUT_NORMAL);
aes_setiv((u8*)CTR, AES_INPUT_BE | AES_INPUT_NORMAL);
aes_use_keyslot(slot);
//Decrypt arm9bin
aes((void *)(armHdr+0x800), (void *)(armHdr+0x800), size/AES_BLOCK_SIZE, CTR, AES_CTR_MODE, AES_INPUT_BE | AES_INPUT_NORMAL);
//Set keys 0x19..0x1F keyXs
u8* decKey = (void *)((uintptr_t)armHdr+0x89824);
aes_use_keyslot(0x11);
for(slot = 0x19; slot < 0x20; slot++) {
aes_setkey(0x11, (u8*)key2, AES_KEYNORMAL, AES_INPUT_BE | AES_INPUT_NORMAL);
aes(decKey, (void *)((uintptr_t)armHdr+0x89814), 1, NULL, AES_ECB_DECRYPT_MODE, 0);
aes_setkey(slot, (u8*)decKey, AES_KEYX, AES_INPUT_BE | AES_INPUT_NORMAL);
*(u8 *)((void *)((uintptr_t)armHdr+0x89814+0xF)) += 1;
if(mode){
//Set keys 0x19..0x1F keyXs
u8* decKey = (void *)((uintptr_t)armHdr+0x89824);
aes_use_keyslot(0x11);
for(slot = 0x19; slot < 0x20; slot++) {
aes_setkey(0x11, (u8*)key2, AES_KEYNORMAL, AES_INPUT_BE | AES_INPUT_NORMAL);
aes(decKey, (void *)((uintptr_t)armHdr+0x89814), 1, NULL, AES_ECB_DECRYPT_MODE, 0);
aes_setkey(slot, (u8*)decKey, AES_KEYX, AES_INPUT_BE | AES_INPUT_NORMAL);
*(u8 *)((void *)((uintptr_t)armHdr+0x89814+0xF)) += 1;
}
}
}

6
source/crypto.h Normal file → Executable file
View File

@ -129,10 +129,10 @@ void sha(void* res, const void* src, u32 size, u32 mode);
void rsa_setkey(u32 keyslot, const void* mod, const void* exp, u32 mode);
void rsa_use_keyslot(u32 keyslot);
int rsa_verify(const void* data, u32 size, const void* sig, u32 mode);
void xor(u8 *dest, u8 *data1, u8 *data2, u32 size);
//NAND/FIRM stuff
extern const u8 memeKey[0x10];
void arm9loader(void *armHdr);
void getNandCTR(u8 *buf, u8 console);
void nandFirm0(u8 *outbuf, const u32 size, u8 console);
void arm9loader(void *armHdr, u8 mode);
#endif /*__CRYPTO_H*/

View File

@ -8,6 +8,8 @@
#include "fs.h"
#include "memory.h"
static struct fb* fb = (struct fb*) 0x23FFFE00;
void clearScreen(void){
memset(fb->top_left, 0, 0x38400);
memset(fb->top_right, 0, 0x38400);
@ -16,6 +18,6 @@ void clearScreen(void){
void loadSplash(void){
clearScreen();
fileRead(fb->top_left, "/rei/splash.bin", 0x46500);
unsigned i,t; for(t=120;t>0;t--){for(i=0xFFFF;i>0;i--);}; //Ghetto sleep func
if(fileRead(fb->top_left, "/rei/splash.bin", 0x46500) != 0) return;
unsigned i,t; for(t=220;t>0;t--){for(i=0xFFFF;i>0;i--);}; //Ghetto sleep func
}

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@ -6,11 +6,11 @@
#include "types.h"
static struct fb {
struct fb {
u8 *top_left;
u8 *top_right;
u8 *bottom;
} *fb = (struct fb *)0x23FFFE00;
};
void clearScreen(void);
void loadSplash(void);

View File

@ -24,7 +24,7 @@ void getEmunandSect(u32 *off, u32 *head){
void getSDMMC(void *pos, u32 *off, u32 size){
//Look for struct code
unsigned char pattern[] = {0x01, 0x21, 0x20, 0x18, 0x20, 0x30};
*off = memsearch(pos, pattern, size, 4);
*off = (u32)memsearch(pos, pattern, size, 6);
//Get DCD values
unsigned char buf[4];
@ -43,14 +43,22 @@ void getSDMMC(void *pos, u32 *off, u32 size){
void getEmuRW(void *pos, u32 size, u32 *readOff, u32 *writeOff){
//Look for read/write code
unsigned char pattern[] = {0x04, 0x00, 0x0D, 0x00, 0x17, 0x00, 0x1E, 0x00, 0xC8, 0x05};
*readOff = memsearch(pos, pattern, size, 4);
*writeOff = memsearch(readOff, pattern, 0x1000, 4);
//fileWrite(readOff, "/readoff.bin", 4);
*readOff = 0x240CEC40;
*writeOff = 0x240CEC80;
*writeOff = (u32)memsearch(pos, pattern, size, 10);
*readOff = (u32)memsearch((void *)(*writeOff - 0x1000), pattern, 0x1000, 10);
}
void getMPU(void *pos, u32 *off){
*off = 0x2407D7D4;
void getMPU(void *pos, u32 *off, u32 size){
//Look for MPU code
unsigned char pattern[] = {0x03, 0x00, 0x24, 0x00, 0x00, 0x00, 0x10};
*off = (u32)memsearch(pos, pattern, size, 7);
}
void getEmuCode(void *pos, u32 *off, u32 size){
void *proc9 = memsearch(pos, "Process9", size, 8);
unsigned char pattern[] = {0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF};
//We're looking for the last spot before Process9
*off = (u32)memsearch(pos, pattern, size - (size - (u32)(proc9 - pos)), 6) + 0xF;
}

View File

@ -14,6 +14,7 @@
void getEmunandSect(u32 *off, u32 *head);
void getSDMMC(void *pos, u32 *off, u32 size);
void getEmuRW(void *pos, u32 size, u32 *readOff, u32 *writeOff);
void getMPU(void *pos, u32 *off);
void getMPU(void *pos, u32 *off, u32 size);
void getEmuCode(void *pos, u32 *off, u32 size);
#endif

141
source/firm.c Normal file → Executable file
View File

@ -11,78 +11,121 @@
#include "emunand.h"
#include "crypto.h"
const firmHeader *firmLocation = (firmHeader *)0x24000000;
firmHeader *firmLocation = (firmHeader *)0x24000000;
firmSectionHeader *section;
u32 emuOffset = 0,
emuHeader = 0,
emuRead = 0,
emuWrite = 0,
sdmmcOffset = 0,
firmSize = 0,
mpuOffset = 0;
u32 firmSize = 0;
u8 mode = 1,
console = 1;
u16 pressed;
//Load firm into FCRAM
void loadFirm(void){
//Read FIRM from SD card and write to FCRAM
const char firmPath[] = "/rei/firmware.bin";
firmSize = fileSize(firmPath);
fileRead((u8*)firmLocation, firmPath, firmSize);
//Decrypt firmware blob
u8 firmIV[0x10] = {0};
aes_setkey(0x16, memeKey, AES_KEYNORMAL, AES_INPUT_BE | AES_INPUT_NORMAL);
aes_use_keyslot(0x16);
aes((u8*)firmLocation, (u8*)firmLocation, firmSize / AES_BLOCK_SIZE, firmIV, AES_CBC_DECRYPT_MODE, AES_INPUT_BE | AES_INPUT_NORMAL);
//Parse firmware
u8 loadFirm(void){
if(PDN_MPCORE_CFG == 1) console = 0;
pressed = HID_PAD;
section = firmLocation->section;
arm9loader((u8*)firmLocation + section[2].offset);
//If L and R are pressed, boot SysNAND with the NAND FIRM
if((pressed & BUTTON_L1R1) == BUTTON_L1R1){
mode = 0;
//Read FIRM from NAND and write to FCRAM
firmSize = console ? 0xF2C00 : 0xE9000;
nandFirm0((u8*)firmLocation, firmSize, console);
if(memcmp((u8*)firmLocation, "FIRM", 4) != 0) return 1;
}
//Load FIRM from SDCard
else{
const char firmPath[] = "/rei/firmware.bin";
firmSize = fileSize(firmPath);
if (!firmSize) return 1;
fileRead((u8*)firmLocation, firmPath, firmSize);
if((((u32)section[2].address >> 8) & 0xFF) != (console ? 0x60 : 0x68)) return 1;
}
if(console) arm9loader((u8*)firmLocation + section[2].offset, mode);
return 0;
}
//Nand redirection
void loadEmu(void){
u8 loadEmu(void){
u32 emuOffset = 0,
emuHeader = 0,
emuRead = 0,
emuWrite = 0,
sdmmcOffset = 0,
mpuOffset = 0,
emuCodeOffset = 0;
//Read emunand code from SD
u32 code = emuCode();
const char path[] = "/rei/emunand/emunand.bin";
u32 size = fileSize(path);
fileRead((u8*)code, path, size);
getEmuCode(firmLocation, &emuCodeOffset, firmSize);
const char path[] = "/rei/emunand/emunand.bin";
u32 size = fileSize(path);
if (!size) return 1;
fileRead((u8*)emuCodeOffset, path, size);
//Find and patch emunand related offsets
u32 *pos_sdmmc = memsearch(code, "SDMC", size, 4);
u32 *pos_offset = memsearch(code, "NAND", size, 4);
u32 *pos_header = memsearch(code, "NCSD", size, 4);
getSDMMC(firmLocation, &sdmmcOffset, firmSize);
u32 *pos_sdmmc = memsearch((u32*)emuCodeOffset, "SDMC", size, 4);
u32 *pos_offset = memsearch((u32*)emuCodeOffset, "NAND", size, 4);
u32 *pos_header = memsearch((u32*)emuCodeOffset, "NCSD", size, 4);
getSDMMC(firmLocation, &sdmmcOffset, firmSize);
getEmunandSect(&emuOffset, &emuHeader);
getEmuRW(firmLocation, firmSize, &emuRead, &emuWrite);
getMPU(firmLocation, &mpuOffset);
*pos_sdmmc = sdmmcOffset;
*pos_offset = emuOffset;
*pos_header = emuHeader;
getMPU(firmLocation, &mpuOffset, firmSize);
*pos_sdmmc = sdmmcOffset;
*pos_offset = emuOffset;
*pos_header = emuHeader;
//Add emunand hooks
if(!console) nandRedir[5] = 0xA4;
memcpy((u8*)emuRead, nandRedir, sizeof(nandRedir));
memcpy((u8*)emuWrite, nandRedir, sizeof(nandRedir));
//Set MPU for emu code region
memcpy((u8*)mpuOffset, mpu, sizeof(mpu));
return 0;
}
//Patches
void patchFirm(){
u8 patchFirm(void){
//If L is pressed, boot SysNAND with the SDCard FIRM
if(mode && !(pressed & BUTTON_L1)) if (loadEmu()) return 1;
//Disable signature checks
memcpy((u8*)sigPatch(1), sigPat1, sizeof(sigPat1));
memcpy((u8*)sigPatch(2), sigPat2, sizeof(sigPat2));
//Create arm9 thread
fileRead((u8*)threadCode(), "/rei/thread/arm9.bin", 0);
memcpy((u8*)threadHook(1), th1, sizeof(th1));
memcpy((u8*)threadHook(2), th2, sizeof(th2));
u32 sigOffset = 0,
sigOffset2 = 0;
getSignatures(firmLocation, firmSize, &sigOffset, &sigOffset2);
memcpy((u8*)sigOffset, sigPat1, sizeof(sigPat1));
memcpy((u8*)sigOffset2, sigPat2, sizeof(sigPat2));
//Apply reboot patch and write patched FIRM
if(!console && mode &&
((fileSize("/rei/reversereboot") > 0) == (pressed & BUTTON_A))){
u32 rebootOffset = 0,
rebootOffset2 = 0;
getReboot(firmLocation, firmSize, &rebootOffset, &rebootOffset2);
char path[] = "/rei/reboot/reboot1.bin";
u32 size = fileSize(path);
if (!size) return 1;
fileRead((u8*)rebootOffset, path, size);
memcpy((u8*)rebootOffset + size, L"sdmc:", 10);
memcpy((u8*)rebootOffset + size + 10, L"" PATCHED_FIRM_PATH, sizeof(PATCHED_FIRM_PATH) * 2);
path[18] = '2';
size = fileSize(path);
if (!size) return 1;
fileRead((u8*)rebootOffset2, path, size);
if (fileWrite((u8*)firmLocation, PATCHED_FIRM_PATH, firmSize) != 0) return 1;
}
return 0;
}
//Firmlaunchhax
void launchFirm(void){
//Set MPU
__asm__ (
"msr cpsr_c, #0xDF\n\t" //Set system mode, disable interrupts
@ -117,5 +160,5 @@ void launchFirm(void){
*(u32 *)0x1FFFFFF8 = (u32)firmLocation->arm11Entry;
//Final jump to arm9 binary
((void (*)())0x801B01C)();
console ? ((void (*)())0x801B01C)() : ((void (*)())firmLocation->arm9Entry)();
}

View File

@ -8,10 +8,16 @@
#include "types.h"
void loadSplash(void);
void loadFirm(void);
void loadEmu(void);
void patchFirm(void);
#define PDN_MPCORE_CFG (*(u8*)0x10140FFC)
#define HID_PAD ((~*(u16*)0x10146000) & 0xFFF)
#define BUTTON_L1R1 (3 << 8)
#define BUTTON_L1 (1 << 9)
#define BUTTON_A 1
#define PATCHED_FIRM_PATH "/rei/patched_firmware.bin"
u8 loadFirm(void);
u8 loadEmu(void);
u8 patchFirm(void);
void launchFirm(void);
#endif

View File

@ -1,144 +0,0 @@
/*
This file was autogenerated by raw2c.
Visit http://www.devkitpro.org
*/
//---------------------------------------------------------------------------------
#ifndef _font_h_
#define _font_h_
//---------------------------------------------------------------------------------
static const unsigned char font[] = {
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0x7c, 0xc6, 0xc0, 0xc0, 0xc6, 0x7c, 0x18, 0x70, 0xcc, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00,
0x0e, 0x10, 0x7c, 0xc6, 0xfe, 0xc0, 0x7c, 0x00, 0x7c, 0x82, 0x38, 0x0c, 0x7c, 0xcc, 0x76, 0x00,
0xcc, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00, 0xe0, 0x10, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00,
0x30, 0x30, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x7c, 0xc0, 0xc0, 0x7c, 0x18, 0x70,
0x7c, 0x82, 0x7c, 0xc6, 0xfe, 0xc0, 0x7c, 0x00, 0xc6, 0x00, 0x7c, 0xc6, 0xfe, 0xc0, 0x7c, 0x00,
0xe0, 0x10, 0x7c, 0xc6, 0xfe, 0xc0, 0x7c, 0x00, 0x66, 0x00, 0x38, 0x18, 0x18, 0x18, 0x3c, 0x00,
0x7c, 0x82, 0x38, 0x18, 0x18, 0x18, 0x3c, 0x00, 0xe0, 0x10, 0x38, 0x18, 0x18, 0x18, 0x3c, 0x00,
0xc6, 0x00, 0x7c, 0xc6, 0xfe, 0xc6, 0xc6, 0x00, 0x38, 0x38, 0x7c, 0xc6, 0xfe, 0xc6, 0xc6, 0x00,
0x0e, 0x10, 0xfe, 0x60, 0x78, 0x60, 0xfe, 0x00, 0x00, 0x00, 0x7c, 0x12, 0x7e, 0xd0, 0x7e, 0x00,
0x7e, 0xc8, 0xc8, 0xfe, 0xc8, 0xc8, 0xce, 0x00, 0x7c, 0x82, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
0xc6, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0xe0, 0x10, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
0x7c, 0x82, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0xe0, 0x10, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00,
0xcc, 0x00, 0xcc, 0xcc, 0xcc, 0x7c, 0x0c, 0xf8, 0xc6, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
0xc6, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x18, 0x7c, 0xd6, 0xd0, 0xd6, 0x7c, 0x18, 0x00,
0x38, 0x6c, 0x60, 0xf0, 0x60, 0xf2, 0xdc, 0x00, 0x66, 0x3c, 0x18, 0x7e, 0x18, 0x7e, 0x18, 0x00,
0xf8, 0xcc, 0xf8, 0xc4, 0xcc, 0xde, 0xcc, 0x06, 0x0e, 0x1b, 0x18, 0x3c, 0x18, 0x18, 0xd8, 0x70,
0x0e, 0x10, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00, 0x0e, 0x10, 0x38, 0x18, 0x18, 0x18, 0x3c, 0x00,
0x0e, 0x10, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x0e, 0x10, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00,
0x66, 0x98, 0xdc, 0x66, 0x66, 0x66, 0x66, 0x00, 0x66, 0x98, 0xe6, 0xf6, 0xde, 0xce, 0xc6, 0x00,
0x38, 0x0c, 0x3c, 0x34, 0x00, 0x7e, 0x00, 0x00, 0x38, 0x6c, 0x6c, 0x38, 0x00, 0x7c, 0x00, 0x00,
0x30, 0x00, 0x30, 0x60, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xc0, 0xc0, 0x00, 0x00,
0x00, 0x00, 0x00, 0xfc, 0x0c, 0x0c, 0x00, 0x00, 0xc0, 0xc8, 0xd0, 0xfe, 0x46, 0x8c, 0x1e, 0x00,
0xc0, 0xc8, 0xd0, 0xec, 0x5c, 0xbe, 0x0c, 0x00, 0x18, 0x00, 0x18, 0x18, 0x3c, 0x3c, 0x18, 0x00,
0x00, 0x36, 0x6c, 0xd8, 0x6c, 0x36, 0x00, 0x00, 0x00, 0xd8, 0x6c, 0x36, 0x6c, 0xd8, 0x00, 0x00,
0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa,
0xdb, 0x77, 0xdb, 0xee, 0xdb, 0x77, 0xdb, 0xee, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0x18, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0x18, 0xf8, 0x18, 0x18, 0x18,
0x36, 0x36, 0x36, 0x36, 0xf6, 0x36, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x36, 0x36, 0x36,
0x00, 0x00, 0xf8, 0x18, 0xf8, 0x18, 0x18, 0x18, 0x36, 0x36, 0xf6, 0x06, 0xf6, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x00, 0x00, 0xfe, 0x06, 0xf6, 0x36, 0x36, 0x36,
0x36, 0x36, 0xf6, 0x06, 0xfe, 0x00, 0x00, 0x00, 0x36, 0x36, 0x36, 0x36, 0xfe, 0x00, 0x00, 0x00,
0x18, 0x18, 0xf8, 0x18, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0x18, 0x1f, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0xff, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x18, 0x18, 0x18,
0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0xff, 0x18, 0x18, 0x18,
0x18, 0x18, 0x1f, 0x18, 0x1f, 0x18, 0x18, 0x18, 0x36, 0x36, 0x36, 0x36, 0x37, 0x36, 0x36, 0x36,
0x36, 0x36, 0x37, 0x30, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x30, 0x37, 0x36, 0x36, 0x36,
0x36, 0x36, 0xf7, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xf7, 0x36, 0x36, 0x36,
0x36, 0x36, 0x37, 0x30, 0x37, 0x36, 0x36, 0x36, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00,
0x36, 0x36, 0xf7, 0x00, 0xf7, 0x36, 0x36, 0x36, 0x18, 0x18, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00,
0x36, 0x36, 0x36, 0x36, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x18, 0x18, 0x18,
0x00, 0x00, 0x00, 0x00, 0xff, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x3f, 0x00, 0x00, 0x00,
0x18, 0x18, 0x1f, 0x18, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x18, 0x1f, 0x18, 0x18, 0x18,
0x00, 0x00, 0x00, 0x00, 0x3f, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xff, 0x36, 0x36, 0x36,
0x18, 0x18, 0xff, 0x18, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x1f, 0x18, 0x18, 0x18, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x74, 0xcc, 0xc8, 0xdc, 0x76, 0x00, 0x78, 0xcc, 0xd8, 0xcc, 0xc6, 0xc6, 0xdc, 0x40,
0xfe, 0x62, 0x60, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x00, 0x02, 0x7e, 0xec, 0x6c, 0x6c, 0x48, 0x00,
0xfe, 0x62, 0x30, 0x18, 0x30, 0x62, 0xfe, 0x00, 0x00, 0x00, 0x7e, 0xd0, 0xc8, 0xc8, 0x70, 0x00,
0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xf8, 0x80, 0x00, 0x00, 0x7e, 0xd8, 0x18, 0x18, 0x10, 0x00,
0x38, 0x10, 0x7c, 0xd6, 0xd6, 0x7c, 0x10, 0x38, 0x7c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0x7c, 0x00,
0x7c, 0xc6, 0xc6, 0xc6, 0x6c, 0x28, 0xee, 0x00, 0x3c, 0x22, 0x18, 0x7c, 0xcc, 0xcc, 0x78, 0x00,
0x00, 0x00, 0x66, 0x99, 0x99, 0x66, 0x00, 0x00, 0x00, 0x06, 0x7c, 0x9e, 0xf2, 0x7c, 0xc0, 0x00,
0x00, 0x00, 0x7c, 0xc0, 0xf8, 0xc0, 0x7c, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00,
0x00, 0xfe, 0x00, 0xfe, 0x00, 0xfe, 0x00, 0x00, 0x18, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x7e, 0x00,
0x30, 0x18, 0x0c, 0x18, 0x30, 0x00, 0x7c, 0x00, 0x18, 0x30, 0x60, 0x30, 0x18, 0x00, 0x7c, 0x00,
0x0e, 0x1b, 0x1b, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xd8, 0xd8, 0x70,
0x00, 0x18, 0x00, 0x7e, 0x00, 0x18, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x00, 0x76, 0xdc, 0x00, 0x00,
0x38, 0x6c, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x0f, 0x0c, 0x0c, 0x0c, 0xec, 0x6c, 0x3c, 0x00,
0xd8, 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x30, 0xc0, 0xf0, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x3c, 0x3c, 0x3c, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
const int font_size = sizeof(font);
//---------------------------------------------------------------------------------
#endif //_font_h_
//---------------------------------------------------------------------------------

View File

@ -31,7 +31,7 @@ int unmountSD()
int fileReadOffset(u8 *dest, const char *path, u32 size, u32 offset){
FRESULT fr;
FIL fp;
u32 br = 0;
unsigned int br = 0;
fr = f_open(&fp, path, FA_READ);
if (fr != FR_OK)goto error;
@ -61,7 +61,7 @@ int fileRead(u8 *dest, const char *path, u32 size){
int fileWrite(const u8 *buffer, const char *path, u32 size){
FRESULT fr;
FIL fp;
u32 br = 0;
unsigned int br = 0;
if(f_open(&fp, path, FA_WRITE | FA_OPEN_ALWAYS) == FR_OK){
fr = f_write(&fp, buffer, size, &br);

View File

@ -10,12 +10,11 @@
#include "firm.h"
#include "draw.h"
int main(){
u8 main(){
mountSD();
loadSplash();
loadFirm();
loadEmu();
patchFirm();
if (loadFirm()) return 1;
if (patchFirm()) return 1;
launchFirm();
return 0;
}

View File

@ -5,14 +5,7 @@
*/
#include "patches.h"
#define FIRM 0x24000000
#define KERNEL9 (FIRM + 0x68400)
#define PROC9 (FIRM + 0x7F100)
#define K9_ADDR 0x08006000
#define P9_ADDR 0x08028000
#include "memory.h"
/**************************************************
* Patches
@ -26,6 +19,7 @@ u8 mpu[0x2C] = { //MPU shit
0x00, 0x00, 0x00, 0x20, 0x01, 0x01, 0x01, 0x01, 0x03, 0x06, 0x20, 0x00, 0x00, 0x00, 0x00, 0x08,
0x01, 0x01, 0x01, 0x01, 0x03, 0x06, 0x1C, 0x00, 0x00, 0x00, 0x02, 0x08
};
u8 nandRedir[0x08] = {0x00, 0x4C, 0xA0, 0x47, 0xC0, 0xA5, 0x01, 0x08}; //Branch to emunand function
/*
@ -34,38 +28,24 @@ u8 nandRedir[0x08] = {0x00, 0x4C, 0xA0, 0x47, 0xC0, 0xA5, 0x01, 0x08}; //Bran
u8 sigPat1[2] = {0x00, 0x20};
u8 sigPat2[4] = {0x00, 0x20, 0x70, 0x47};
/*
* Arm9 thread
*/
u8 th1[4] = {0x2C, 0xF0, 0x9F, 0xE5}; //ldr pc, =0x08006070
u8 th2[4] = {0x70, 0x60, 0x00, 0x08}; //0x08006070
/**************************************************
* Functions
**************************************************/
//Where the emunand code is stored in firm
u32 emuCode(void){
return KERNEL9 + (0x0801A5C0 - K9_ADDR);
void getSignatures(void *pos, u32 size, u32 *off, u32 *off2){
//Look for signature checks
unsigned char pattern[] = {0xC0, 0x1C, 0x76, 0xE7, 0x20};
unsigned char pattern2[] = {0x70, 0xB5, 0x22, 0x4D, 0x0C};
*off = (u32)memsearch(pos, pattern, size, 5);
*off2 = (u32)memsearch(pos, pattern2, size, 5);
}
//Where thread code is stored in firm
u32 threadCode(void){
return KERNEL9 + (0x08006070 - K9_ADDR);
}
void getReboot(void *pos, u32 size, u32 *off, u32 *off2){
//Look for FIRM reboot code
unsigned char pattern[] = {0x8D, 0xE5, 0x00, 0xC0, 0x91, 0xE5};
unsigned char pattern2[] = {0xF0, 0x4F, 0x2D, 0xE9, 0x3C};
//Offsets to redirect to thread code
u32 threadHook(u8 val){
return val == 1 ?
PROC9 + (0x08085198 - P9_ADDR):
PROC9 + (0x080851CC - P9_ADDR);
}
//Offsets to redirect to thread code
u32 sigPatch(u8 val){
return val == 1 ?
PROC9 + (0x08062B08 - P9_ADDR) :
PROC9 + (0x0805C31C - P9_ADDR);
*off = (u32)memsearch(pos, pattern, size, 6) + 2;
*off2 = (u32)memsearch(pos, pattern2, size, 5);
}

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@ -15,17 +15,11 @@ u8 mpu[0x2C];
u8 nandRedir[0x08];
u8 sigPat1[2];
u8 sigPat2[4];
u8 th1[4];
u8 th2[4];
/**************************************************
* Functions
**************************************************/
u32 emuCode(void);
u32 mpuCode(void);
u32 threadCode(void);
u32 threadHook(u8 val);
u32 emuHook(u8 val);
u32 sigPatch(u8 val);
void getSignatures(void *pos, u32 size, u32 *off, u32 *off2);
void getReboot(void *pos, u32 size, u32 *off, u32 *off2);
#endif

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@ -1,24 +0,0 @@
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
OUTPUT_ARCH(arm)
/*0x080C3EE0*/
ENTRY(_start)
SECTIONS
{
. = 0x08006070;
start_addr = .;
.text.start : { *(.text.start) }
.text : { *(.text) *(.text*) }
.rodata : { *(.rodata) *(.rodata*) }
.data : { *(.data) *(.data*) }
.bss : { *(.bss) *(.bss*) }
/*. = ALIGN(32);*/
/*.stack : {
stack_start = .;
. += 0x40;
. = ALIGN(32);
stack_end = .;
}*/
total_size = . - start_addr;
}

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@ -1,16 +0,0 @@
ifeq ($(strip $(DEVKITARM)),)
$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
endif
include $(DEVKITARM)/ds_rules
SFLAGS=-c -mcpu=arm946e-s -march=armv5te -mlittle-endian -fshort-wchar
CFLAGS=$(SFLAGS) -std=c99
all:
$(CC) -g source/thread.c source/lib.c $(CFLAGS)
$(CC) -g source/_start.s source/FS.s -I source $(SFLAGS)
$(CC) -nostdlib -T 3ds.ld _start.o thread.o lib.o FS.o
$(OBJCOPY) -O binary a.out arm9.bin
rm -f *.o *.out

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@ -1,16 +0,0 @@
/*
* FS.h
* by Reisyukaku
* Copyright (c) 2015 All Rights Reserved
*/
#ifndef FS_H
#define FS_H
#include <stdio.h>
extern unsigned int fopen9(void *handle, wchar_t* name, unsigned int flag);
extern void fwrite9(void* handle, unsigned int* bytesWritten, void* dst, unsigned int size);
extern void fread9(void* handle, unsigned int* bytesRead, void *src, unsigned int size);
extern void fsize9(void *handle, long *size);
extern void fclose9(void *handle);
#endif

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@ -1,57 +0,0 @@
#
# FS.s
# by Reisyukaku
# Copyright (c) 2015 All Rights Reserved
#/
.text
.thumb
.global fopen9
.type fopen9, %function
fopen9:
push {r0-r6, lr}
ldr r4, =0x08059D0D
blx r4
pop {r0-r6, pc}
.pool
.thumb
.global fwrite9
.type fwrite9, %function
fwrite9:
push {r4, lr}
ldr r4, =0x0805B20D
blx r4
pop {r4, pc}
.pool
.thumb
.global fread9
.type fread9, %function
fread9:
push {r4, lr}
ldr r4, =0x0804CC15
blx r4
pop {r4, pc}
.pool
.thumb
.global fclose9
.type fclose9, %function
fclose9:
push {r4, lr}
ldr r4, =0x08052DA1
blx r4
pop {r4, pc}
.pool
.thumb
.global fsize9
.type fsize9, %function
fsize9:
push {r4, lr}
ldr r4, =0x0805B0E9
blx r4
pop {r4, pc}
.pool

View File

@ -1,20 +0,0 @@
.arm
.global _start
_start:
push {r0-r12 , lr}
ldr r0, =0x08000c00
mov r1, #0xA00
mov r2, #0x0
thread_stack_loop:
str r2, [r0], #0x4
subs r1, r1, #4
bgt thread_stack_loop
mov r0, #0x3F @ thread priority
ldr r1, =thread @ thread_addr
mov r2, #0x0 @ arg
ldr r3, =0x08000c00 @ StackTop
ldr r4, =0xFFFFFFFE
svc 0x8
pop {r0-r12 , lr}
ldr r0, =0x080E3408
ldr pc, =0x0808519C

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@ -1,54 +0,0 @@
#include "lib.h"
void *memset(void * ptr, int value, unsigned int num){
unsigned char *p = ptr;
while (num) {
*p++ = value;
num--;
}
return ptr;
}
int strcomp(char* s1, char* s2, unsigned int size){
for(int i = 0; i < size*2; i++){
if(s1[i] != s2[i]) return 0;
}
return 1;
}
void strcopy(char* dest, char* source, unsigned int size){
for(int i = 0; i < size*2; i++) dest[i] = source[i];
}
int memcmp(void* buf1, void* buf2, int size){
int equal = 0;
for(int i = 0; i < size; i++){
if(*((unsigned char*)buf1 + i) != *((unsigned char*)buf2 + i)){
equal = i;
break;
}
}
return equal;
}
int atoi(const char* nptr){
int result = 0,
position = 1;
const char* p = nptr;
while(*p) ++p;
for(--p; p >= nptr; p--){
if(*p < 0x30 || *p > 0x39) break;
else{
result += (position) * (*p - 0x30);
position *= 10;
}
}
result = ((nptr[0] == '-')? -result : result);
return result;
}
unsigned isPressed(unsigned bitfield){
return ((~*(unsigned *)0x10146000) & 0xFFF) == (bitfield & 0xFFF) ? 1 : 0;
}

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@ -1,26 +0,0 @@
#ifndef LIB_H
#define LIB_H
#define BUTTON_A (1 << 0)
#define BUTTON_B (1 << 1)
#define BUTTON_SELECT (1 << 2)
#define BUTTON_START (1 << 3)
#define BUTTON_RIGHT (1 << 4)
#define BUTTON_LEFT (1 << 5)
#define BUTTON_UP (1 << 6)
#define BUTTON_DOWN (1 << 7)
#define BUTTON_R1 (1 << 8)
#define BUTTON_L1 (1 << 9)
#define BUTTON_X (1 << 10)
#define BUTTON_Y (1 << 11)
#define BUTTON_ZL (1 << 14)
#define BUTTON_ZR (1 << 15)
void* memset(void * ptr, int value, unsigned int num);
int strcomp(char* s1, char*s2, unsigned int size);
void strcopy(char* dest, char* source, unsigned int size);
int memcmp(void* buf1, void* buf2, int size);
int atoi(const char* nptr);
unsigned isPressed(unsigned bitfield);
#endif

View File

@ -1,59 +0,0 @@
/*
* thread.c
* by Reisyukaku
* Copyright (c) 2015 All Rights Reserved
*/
#include <wchar.h>
#include <stdio.h>
#include "thread.h"
#include "lib.h"
#include "FS.h"
//ram stuff
#define VRAM (unsigned char*)0x18000000
#define FCRAM (unsigned char*)0x20000000
#define FCRAM_EXT (unsigned char*)0x28000000
//file stuff
#define READ 0
#define WRITE 1
unsigned char handle[32];
void fileReadWrite(void *buf, void *path, int size, char rw){
unsigned int br = 0;
memset(&handle, 0, 32);
fopen9(&handle, path, 6);
if(rw == 0) fread9(&handle, &br, buf, size);
else fwrite9(&handle, &br, buf, size);
fclose9(&handle);
}
void memdump(void* filename, void* buf, unsigned int size){
fileReadWrite(buf, filename, size, WRITE);
memset(VRAM+0x1E6000, 0xFF, 0x46500);
}
void patches(void){
//Change version string
for(int i = 0; i < 0x600000; i+=4){
if(strcomp((void*)0x27B00000 - i, (void*)L"Ver.", 4)){
if(strcomp((void*)0x27B00000 - i + 0x28, (void*)"T_ver_00", 4)) strcopy((void*)0x27B00000 - i, (void*)L"\uE024Rei", 4);
}
}
}
void thread(void){
while(1){
if(isPressed(BUTTON_START | BUTTON_X)){
unsigned char buf[0x10] = {0};
int loc = 0;
fileReadWrite(buf, L"sdmc:/rei/RAM.txt", 0x20, READ);
loc = atoi(buf);
memdump(L"sdmc:/RAMdmp.bin", (void*)loc, 0x10000);
}
patches();
}
__asm("SVC 0x09");
}

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@ -1,6 +0,0 @@
/*
* thread.h
* by Reisyukaku
*/
void thread(void);