Arm9LoaderHax support, cleaned Makefile

Makefile

@@ -24,7 +24,7 @@ dir_reboot := reboot
 dir_ninjhax := CakeBrah
 
 ASFLAGS := -mlittle-endian -mcpu=arm946e-s -march=armv5te
-CFLAGS := -Wall -Wextra -MMD -MP -marm $(ASFLAGS) -fno-builtin -fshort-wchar -std=c11 -Wno-main
+CFLAGS := -Wall -Wextra -MMD -MP -marm $(ASFLAGS) -fno-builtin -fshort-wchar -std=c11 -Wno-main -O2
 FLAGS := name=$(name).dat dir_out=$(abspath $(dir_out)) ICON=$(abspath icon.png) --no-print-directory
 
 objects_cfw = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
@@ -33,28 +33,28 @@ objects_cfw = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
 
 
 .PHONY: all
-all: launcher emunand emunando3ds reboot reboot2 rebootntr reboot2ntr ninjhax
+all: launcher a9lh emunand emunando3ds reboot reboot2 rebootntr ninjhax
 
 .PHONY: launcher
 launcher: $(dir_out)/$(name).dat 
 
+.PHONY: a9lh
+a9lh: $(dir_out)/arm9loaderhax.bin
+
 .PHONY: emunand
 emunand: $(dir_out)/rei-n3ds/emunand/emunand.bin
 
 .PHONY: emunando3ds
-emunand: $(dir_out)/rei-o3ds/emunand/emunand.bin
+emunando3ds: $(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
+reboot2: $(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
+rebootntr: $(dir_out)/ntr-o3ds/reboot/reboot1.bin $(dir_out)/ntr-o3ds/reboot/reboot2.bin
 
 .PHONY: ninjhax
 ninjhax: $(dir_out)/3ds/$(name)
@@ -65,11 +65,13 @@ clean:
 	@$(MAKE) $(FLAGS) -C $(dir_ninjhax) clean
 	rm -rf $(dir_out) $(dir_build)
 
-.PHONY: $(dir_out)/$(name).dat
 $(dir_out)/$(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=$@ bs=512 seek=144
-
+
+$(dir_out)/arm9loaderhax.bin: $(dir_build)/main.bin $(dir_out)/rei-n3ds/ $(dir_out)/rei-o3ds/
+	@cp $(dir_build)/main.bin $(dir_out)/arm9loaderhax.bin
+
 $(dir_out)/3ds/$(name):
 	@mkdir -p "$(dir_out)/3ds/$(name)"
 	@$(MAKE) $(FLAGS) -C $(dir_ninjhax)
@@ -99,15 +101,15 @@ $(dir_out)/rei-o3ds/reboot/reboot1.bin: $(dir_reboot)/rebootCode.s
 	@mkdir -p "$(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)/rei-o3ds/reboot/reboot2.bin: reboot2.bin
+	@cp -av 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: $(dir_reboot)/rebootCodeNtr.s
+$(dir_out)/ntr-o3ds/reboot/reboot2.bin: reboot2.bin
 	@mv reboot2.bin $(dir_out)/ntr-o3ds/reboot
 
 $(dir_build)/main.bin: $(dir_build)/main.elf
@@ -124,7 +126,7 @@ $(dir_build)/%.o: $(dir_source)/%.c
 $(dir_build)/%.o: $(dir_source)/%.s
 	@mkdir -p "$(@D)"
 	$(COMPILE.s) $(OUTPUT_OPTION) $<
-    
+
 $(dir_build)/fatfs/%.o: $(dir_source)/fatfs/%.c
 	@mkdir -p "$(@D)"
 	$(COMPILE.c) -mthumb -mthumb-interwork -Wno-unused-function $(OUTPUT_OPTION) $<

reboot/rebootCodeNtr.s

@@ -57,103 +57,3 @@ patch005:
 .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

source/firm.c

@@ -19,28 +19,38 @@ u8  mode = 1,
 u16 pressed;
 
 //Load firm into FCRAM
-u8 loadFirm(void){
+u8 loadFirm(u8 a9lh){
 
     if(PDN_MPCORE_CFG == 1) console = 0;
+    if(!a9lh && fileSize("/rei/installeda9lh")) a9lh = 1;
     pressed = HID_PAD;
     section = firmLocation->section;
 
+    if((pressed & BUTTON_L1R1) == BUTTON_L1R1) mode = 0;
+
     //If L and R are pressed, boot SysNAND with the NAND FIRM
-    if((pressed & BUTTON_L1R1) == BUTTON_L1R1){
-        mode = 0;
+    if(!a9lh && !mode){
         //Read FIRM from NAND and write to FCRAM
         firmSize = console ? 0xF2000 : 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 (a9lh && !mode){
+            char firmPath[] = "/rei/firmware90.bin";
+            firmSize = fileSize(firmPath);
+            if (!firmSize) return 1;
+            fileRead((u8*)firmLocation, firmPath, firmSize);
+        }
+        else {
+            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);
 

source/firm.h

@@ -15,7 +15,7 @@
 #define BUTTON_A           1
 #define PATCHED_FIRM_PATH  "/rei/patched_firmware.bin"
 
-u8 loadFirm(void);
+u8 loadFirm(u8 a9lh);
 u8 loadEmu(void);
 u8 patchFirm(void);
 void launchFirm(void);

source/fs.c

@@ -59,7 +59,7 @@ int fileRead(u8 *dest, const char *path, u32 size){
 }
 
 int fileWrite(const u8 *buffer, const char *path, u32 size){
-    FRESULT fr;
+    FRESULT fr = 1;
     FIL fp;
     unsigned int br = 0;
 

source/main.c

@@ -10,10 +10,13 @@
 #include "firm.h"
 #include "draw.h"
 
+u8 a9lh = 0;
+
 u8 main(){
     mountSD();
-    loadSplash();
-    if (loadFirm()) return 1;
+    if (!*((u32*)0x10141204)) a9lh = 1;
+    else loadSplash();
+    if (loadFirm(a9lh)) return 1;
     if (patchFirm()) return 1;
     launchFirm();
     return 0;

source/start.s.a9lh

@@ -0,0 +1,34 @@
+.section .text.start
+.align 4
+.global _start
+_start:
+    @ Change the stack pointer
+    mov sp, #0x27000000
+
+    @ Give read/write access to all the memory regions
+    ldr r5, =0x33333333
+    mcr p15, 0, r5, c5, c0, 2 @ write data access
+    mcr p15, 0, r5, c5, c0, 3 @ write instruction access
+
+    @ Enable caches
+    mrc p15, 0, r4, c1, c0, 0  @ read control register
+    orr r4, r4, #(1<<12)       @ - instruction cache enable
+    orr r4, r4, #(1<<2)        @ - data cache enable
+    orr r4, r4, #(1<<0)        @ - mpu enable
+    mcr p15, 0, r4, c1, c0, 0  @ write control register
+
+    @ Flush caches
+    mov r5, #0
+    mcr p15, 0, r5, c7, c5, 0  @ flush I-cache
+    mcr p15, 0, r5, c7, c6, 0  @ flush D-cache
+    mcr p15, 0, r5, c7, c10, 4 @ drain write buffer
+
+    @ Fixes mounting of SDMC
+	ldr r0, =0x10000020
+	mov r1, #0x340
+	str r1, [r0]
+
+    bl main
+
+.die:
+    b .die