Added a 3DS port. Requires a9lh
This commit is contained in:
Morten Delenk
parent
2e7b37527a
commit
a049fc5f8a
14 changed files with 280 additions and 8 deletions
BIN
arm9loaderhax.bin
Executable file
BIN
arm9loaderhax.bin
Executable file
Binary file not shown.
|
|
@ -1,15 +1,20 @@
|
|||
arch = x86_64
|
||||
arch = 3ds
|
||||
MODE = debug
|
||||
#MODE = release # enables optimization
|
||||
|
||||
export PATH := $(HOME)/opt/bin:$(PATH)
|
||||
ARCHFLAGS =
|
||||
ifeq ($(arch),x86)
|
||||
PREFIX = i686-elf-
|
||||
libpath = i686-elf
|
||||
else
|
||||
ifeq ($(arch),x86_64)
|
||||
PREFIX = x86_64-elf-
|
||||
ARCHFLAGS =
|
||||
libpath = x86_64-elf
|
||||
else
|
||||
ifeq ($(arch),3ds)
|
||||
PREFIX = arm-none-eabi-
|
||||
libpath = arm-none-eabi
|
||||
endif
|
||||
endif
|
||||
endif
|
||||
|
||||
|
|
|
|||
|
|
@ -2,11 +2,11 @@ include ../kernel.settings
|
|||
SRCS = $(shell find hal/$(arch) -name '*.cpp' -o -name '*.[cS]')
|
||||
KERNSRCS = $(shell find kernel -name '*.cpp' -o -name '*.c')
|
||||
#OBJS = $(addsuffix .o,$(basename $(SRCS)))
|
||||
OBJS = $(addsuffix .o,$(basename $(KERNSRCS)))
|
||||
OBJS = #$(addsuffix .o,$(basename $(KERNSRCS)))
|
||||
LD = $(PREFIX)g++
|
||||
LDFLAGS = -nostdlib -nodefaultlibs -nostdlib -fno-builtin $(ARCHFLAGS) -T kernel-$(arch).ld -z max-page-size=0x1000
|
||||
|
||||
all: hal kernel
|
||||
all: hal #kernel #uncomment when done with 3ds
|
||||
$(LD) $(LDFLAGS) -o mtgos $(OBJS) libhal.a -lgcc
|
||||
hal:
|
||||
make -C hal
|
||||
|
|
|
|||
36
kernel/hal/3ds/Makefile
Normal file
36
kernel/hal/3ds/Makefile
Normal file
|
|
@ -0,0 +1,36 @@
|
|||
include ../../../kernel.settings
|
||||
ARM9SRCS = $(shell find arm9 -name '*.cpp' -o -name '*.[cS]')
|
||||
ARM11SRCS = $(shell find arm11 -name '*.cpp' -o -name '*.[cS]')
|
||||
ARM9OBJS = $(addsuffix .o,$(basename $(ARM9SRCS)))
|
||||
ARM11OBJS = $(addsuffix .o,$(basename $(ARM11SRCS)))
|
||||
ARM9FLAGS = -mcpu=arm946e-s -march=armv5te -mlittle-endian
|
||||
ARM11FLAGS = -mcpu=mpcore -mlittle-endian
|
||||
|
||||
CPP = $(PREFIX)g++
|
||||
CC = $(PREFIX)gcc
|
||||
AR = $(PREFIX)ar
|
||||
ASFLAGS =
|
||||
CFLAGS += -Wall -fno-stack-protector -nostdinc -Ic_include/ -I../../kernel/c_include -ffreestanding -std=c11 -fno-builtin -Werror -nostdlib -g -fpie
|
||||
CPPFLAGS += -Wall -fno-stack-protector -nostdinc -std=c++14 -Iinclude/ -Ic_include/ -I../../kernel/c_include -I../../kernel/include -fno-rtti -fno-exceptions -ffreestanding -fno-builtin -Werror -nostdlib -fno-use-cxa-atexit -Wextra -Wno-unused -g -fno-pie -Wno-reorder
|
||||
|
||||
all: $(ARM9OBJS) $(ARM11OBJS)
|
||||
|
||||
arm9/%.o: arm9/%.cpp
|
||||
$(CPP) $(CPPFLAGS) $(ARM9FLAGS) -c -o $@ $^
|
||||
|
||||
arm9/%.o: arm9/%.c
|
||||
$(CC) $(CFLAGS) $(ARM9FLAGS) -c -o $@ $^
|
||||
|
||||
arm9/%.o: arm9/%.S
|
||||
$(CC) $(CFLAGS) $(ARM9FLAGS) -c -o $@ $^
|
||||
|
||||
arm11/%.o: arm11/%.cpp
|
||||
$(CPP) $(CPPFLAGS) $(ARM9FLAGS) -c -o $@ $^
|
||||
|
||||
arm11/%.o: arm11/%.c
|
||||
$(CC) $(CFLAGS) $(ARM9FLAGS) -c -o $@ $^
|
||||
|
||||
arm11/%.o: arm11/%.S
|
||||
$(CC) $(CFLAGS) $(ARM9FLAGS) -c -o $@ $^
|
||||
|
||||
clean:
|
||||
66
kernel/hal/3ds/arm11/init/arm11init.cpp
Normal file
66
kernel/hal/3ds/arm11/init/arm11init.cpp
Normal file
|
|
@ -0,0 +1,66 @@
|
|||
//Notice: 0x1FFFFFF8 is a pointer to a function that is being executed by
|
||||
//A11 SYS_CORE
|
||||
//If it's zero, SYS_CORE is ready for a new task
|
||||
#include <stdint.h>
|
||||
#include <stdfnt.h>
|
||||
void(**fpointer)(void)=(void(**)(void))0x1FFFFFF8;
|
||||
void __attribute__((naked)) arm11Stub(void)
|
||||
{
|
||||
//Disable interrupts
|
||||
__asm(".word 0xF10C01C0");
|
||||
|
||||
//Wait for the entry to be set
|
||||
while(*fpointer == &arm11Stub);
|
||||
|
||||
//Jump to it
|
||||
(*fpointer)();
|
||||
}
|
||||
void mainRoutine() {
|
||||
*fpointer=nullptr;
|
||||
while(true) {
|
||||
if(!(*fpointer))
|
||||
continue;
|
||||
(*fpointer)();
|
||||
*fpointer=nullptr;
|
||||
}
|
||||
}
|
||||
unsigned int seed=0;
|
||||
unsigned int random() {
|
||||
return seed=0x41C64E6D * seed + 0x00006073;
|
||||
}
|
||||
#define CALCXY_top(x,y) ((x)*240+240-(y))
|
||||
void initScreen() {
|
||||
//top screen lfb size: 0x5dc00
|
||||
//bottom screen lfb size: 0x4b000
|
||||
//lfb locations: 0x18000000 (left 1)
|
||||
//lfb locations: 0x18060000 (left 2)
|
||||
//lfb locations: 0x180C0000 (right 1)
|
||||
//lfb locations: 0x18120000 (right 2)
|
||||
//lfb locations: 0x18180000 (bottom 1)
|
||||
//lfb locations: 0x181D0000 (bottom 2)
|
||||
unsigned int *fb_init=(unsigned int*)0x10400400;
|
||||
fb_init[0x70/4]&=~0x7;
|
||||
fb_init[0x170/4]&=~0x7;
|
||||
fb_init[0x68/4]=0x18000000; //Left eye
|
||||
fb_init[0x6C/4]=0x18060000; //Left eye
|
||||
fb_init[0x90/4]=960;
|
||||
fb_init[0x94/4]=0x180C0000; //Right eye
|
||||
fb_init[0x98/4]=0x18120000; //Right eye
|
||||
fb_init[0x168/4]=0x18180000;
|
||||
fb_init[0x16C/4]=0x181D0000;
|
||||
fb_init[0x190/4]=960;
|
||||
int *lfb=(int*)0x18060000;
|
||||
for(int bx=0;bx<32;bx++) {
|
||||
for(int by=0;by<8;by++) {
|
||||
for(int x=0;x<8;x++) {
|
||||
for(int y=0;y<8;y++) {
|
||||
if(font[bx+by*32][y]&(1<<x))
|
||||
lfb[CALCXY_top(bx*8+x,by*8+y)]=0xFFFFFF00;
|
||||
else
|
||||
lfb[CALCXY_top(bx*8+x,by*8+y)]=0x0;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
fb_init[0x78/4]=1;
|
||||
}
|
||||
63
kernel/hal/3ds/arm9/boot/boot.S
Normal file
63
kernel/hal/3ds/arm9/boot/boot.S
Normal file
|
|
@ -0,0 +1,63 @@
|
|||
.section .text.start
|
||||
.align 4
|
||||
b _start
|
||||
.word 0, 0
|
||||
.global _start
|
||||
.extern main
|
||||
_start:
|
||||
mov sp, #0x27000000
|
||||
//Disable caches/mpu
|
||||
mrc p15, 0, r0, c1, c0, 0
|
||||
bic r0, #0x1000 //Disable instruction cache
|
||||
bic r0, #0x4 //Disable data cache
|
||||
bic r0, #0x1 //Disable MPU
|
||||
mcr p15, 0, r0, c1, c0, 0
|
||||
ldr r0, =0x33333333
|
||||
mcr p15, 0, r0, c5, c0, 2 //Write data access
|
||||
mcr p15, 0, r0, c5, c0, 3 //Write instruction access
|
||||
// Sets MPU permissions and cache settings
|
||||
ldr r0, =0xFFFF001D // ffff0000 32k | bootrom (unprotected part)
|
||||
ldr r1, =0x3000801B // fff00000 16k | dtcm
|
||||
ldr r2, =0x01FF801D // 01ff8000 32k | itcm
|
||||
ldr r3, =0x08000029 // 08000000 2M | arm9 mem (O3DS / N3DS)
|
||||
ldr r4, =0x10000029 // 10000000 2M | io mem (ARM9 / first 2MB)
|
||||
ldr r5, =0x20000037 // 20000000 256M | fcram (O3DS / N3DS)
|
||||
ldr r6, =0x1FF00027 // 1FF00000 1M | dsp / axi wram
|
||||
ldr r7, =0x1800002D // 18000000 8M | vram (+ 2MB)
|
||||
mov r8, #0x29
|
||||
mcr p15, 0, r0, c6, c0, 0
|
||||
mcr p15, 0, r1, c6, c1, 0
|
||||
mcr p15, 0, r2, c6, c2, 0
|
||||
mcr p15, 0, r3, c6, c3, 0
|
||||
mcr p15, 0, r4, c6, c4, 0
|
||||
mcr p15, 0, r5, c6, c5, 0
|
||||
mcr p15, 0, r6, c6, c6, 0
|
||||
mcr p15, 0, r7, c6, c7, 0
|
||||
mcr p15, 0, r8, c3, c0, 0 // Write bufferable 0, 3, 5
|
||||
mcr p15, 0, r8, c2, c0, 0 // Data cacheable 0, 3, 5
|
||||
mcr p15, 0, r8, c2, c0, 1 // Inst cacheable 0, 3, 5
|
||||
// Enable dctm
|
||||
ldr r0, =0x3000800A // set dtcm
|
||||
mcr p15, 0, r0, c9, c1, 0 // set the dtcm Region Register
|
||||
|
||||
// Enable caches
|
||||
mrc p15, 0, r0, c1, c0, 0 // read control register
|
||||
orr r0, r0, #(1<<18) // - itcm enable
|
||||
orr r0, r0, #(1<<16) // - dtcm enable
|
||||
orr r0, r0, #(1<<12) // - instruction cache enable
|
||||
orr r0, r0, #(1<<2) // - data cache enable
|
||||
orr r0, r0, #(1<<0) // - mpu enable
|
||||
mcr p15, 0, r0, c1, c0, 0 // write control register
|
||||
|
||||
// Flush caches
|
||||
mov r0, #0
|
||||
mcr p15, 0, r0, c7, c5, 0 // flush I-cache
|
||||
mcr p15, 0, r0, c7, c6, 0 // flush D-cache
|
||||
mcr p15, 0, r0, c7, c10, 4 // drain write buffer
|
||||
|
||||
// Fixes mounting of SDMC
|
||||
ldr r0, =0x10000020
|
||||
mov r1, #0x340
|
||||
str r1, [r0]
|
||||
|
||||
b init
|
||||
14
kernel/hal/3ds/arm9/init/init.cpp
Normal file
14
kernel/hal/3ds/arm9/init/init.cpp
Normal file
|
|
@ -0,0 +1,14 @@
|
|||
void __attribute__((naked)) arm11Stub(void);
|
||||
void mainRoutine();
|
||||
void initScreen();
|
||||
void(**a11fpointer)(void)=(void(**)(void))0x1FFFFFF8;
|
||||
extern "C" void init() {
|
||||
*a11fpointer=&arm11Stub;
|
||||
for(int i=0;i<100;i++);
|
||||
*a11fpointer=&mainRoutine;
|
||||
while(*a11fpointer);
|
||||
*a11fpointer=&initScreen;
|
||||
while(*a11fpointer);
|
||||
|
||||
while(true);
|
||||
}
|
||||
|
|
@ -19,7 +19,7 @@ all: $(OBJS)
|
|||
%.o: %.c
|
||||
$(CC) $(CFLAGS) -c -o $@ $^
|
||||
|
||||
%.o: $.S
|
||||
%.o: %.S
|
||||
$(CC) $(CFLAGS) -c -o $@ $^
|
||||
|
||||
clean:
|
||||
|
|
|
|||
11
kernel/kernel-3ds.ld
Normal file
11
kernel/kernel-3ds.ld
Normal file
|
|
@ -0,0 +1,11 @@
|
|||
ENTRY(_start)
|
||||
SECTIONS
|
||||
{
|
||||
. = 0x23F00000;
|
||||
.text.start : { *(.text.start)}
|
||||
.text : {*(.text)}
|
||||
.data : {*(.data)}
|
||||
.bss : {*(.bss COMMON)}
|
||||
.rodata : {*(.rodata)}
|
||||
. = ALIGN(4);
|
||||
}
|
||||
BIN
kernel/libhal.a
BIN
kernel/libhal.a
Binary file not shown.
BIN
test.elf
BIN
test.elf
Binary file not shown.
45
user/3ds/syscall.S
Normal file
45
user/3ds/syscall.S
Normal file
|
|
@ -0,0 +1,45 @@
|
|||
.global screenout_init
|
||||
// void * screenout_init(int err);
|
||||
screenout_init:
|
||||
stmdb sp!, {r0} //r0 is err
|
||||
mov r0, #0
|
||||
svc #0 //Only one svc
|
||||
sub sp, #4
|
||||
bx lr
|
||||
|
||||
.global screenout_out
|
||||
// void * screenout_out(void* handle, char *str);
|
||||
screenout_out:
|
||||
stmdb sp!, {r1} // R1 is str
|
||||
mov r1, r0 //R0 is handle
|
||||
mov r0, #1
|
||||
svc #0
|
||||
add sp, #4
|
||||
bx lr
|
||||
|
||||
.global screenout_clear
|
||||
// void * screenout_clear(void* handle);
|
||||
screenout_clear:
|
||||
mov r1, r0
|
||||
mov r0, #2
|
||||
svc #0
|
||||
bx lr
|
||||
|
||||
.global screenout_setcolor
|
||||
// void * screenout_setcolor(void* handle, uint32_t BG, uint32_t FG)
|
||||
screenout_setcolor:
|
||||
stmdb sp!, {r1, r2}
|
||||
mov r1, r0
|
||||
mov r0, #3
|
||||
svc #0
|
||||
add sp, #8
|
||||
bx lr
|
||||
|
||||
.global screenout_destroy
|
||||
// void * screenout_destroy(void * handle)
|
||||
screenout_destroy:
|
||||
mov r1, r0
|
||||
mov r0, #0x10000
|
||||
sub r0, #1
|
||||
svc #0
|
||||
bx lr
|
||||
|
|
@ -6,9 +6,13 @@ CPP = $(PREFIX)g++
|
|||
LD = $(PREFIX)ld
|
||||
ASFLAGS = $(ARCHFLAGS)
|
||||
CPPFLAGS = $(ARCHFLAGS) -Wall -fno-stack-protector -nostdinc -std=c++14 -Iinclude/ -Ic_include/ -fno-rtti -fno-exceptions -ffreestanding -fno-builtin -Werror -nostdlib -fno-use-cxa-atexit -Wextra -Wno-unused -g -fpie
|
||||
LDFLAGS = -Ttest-$(arch).ld
|
||||
LDFLAGS = -Ttest-$(arch).ld -L/opt/lib/gcc/$(libpath)/6.1.0/
|
||||
ifeq ($(arch),3ds)
|
||||
ASFLAGS += -mcpu=mpcore -mlittle-endian
|
||||
CPPFLAGS += -mcpu=mpcore -mlittle-endian
|
||||
endif
|
||||
test.elf: $(OBJS) $(arch)/syscall.o
|
||||
$(LD) $(LDFLAGS) -o $@ $^
|
||||
$(LD) $(LDFLAGS) -o $@ $^ -lgcc
|
||||
|
||||
%.o: %.cpp
|
||||
$(CPP) $(CPPFLAGS) -c -o $@ $^
|
||||
|
|
|
|||
28
user/test-3ds.ld
Normal file
28
user/test-3ds.ld
Normal file
|
|
@ -0,0 +1,28 @@
|
|||
ENTRY(_start)
|
||||
OUTPUT_FORMAT(elf32-littlearm)
|
||||
SECTIONS
|
||||
{
|
||||
. = 0x20000000;
|
||||
.text : {
|
||||
*(.text)
|
||||
}
|
||||
.data ALIGN(4096) : {
|
||||
start_ctors = .;
|
||||
KEEP(*( .init_array ));
|
||||
KEEP(*(SORT_BY_INIT_PRIORITY( .init_array.* )));
|
||||
*(.ctors)
|
||||
end_ctors = .;
|
||||
start_dtors = .;
|
||||
*(.dtors)
|
||||
end_dtors = .;
|
||||
*(.data)
|
||||
*(.got)
|
||||
}
|
||||
.rodata ALIGN(4096) : {
|
||||
*(.rodata)
|
||||
}
|
||||
.bss ALIGN(4096) : {
|
||||
*(.bss)
|
||||
}
|
||||
. = ALIGN(4096);
|
||||
}
|
||||
Loading…
Reference in a new issue