Added actual loading. code does not execute
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parent
95e15ef4fd
commit
63df2d3303
8 changed files with 32 additions and 4 deletions
BIN
arm9loaderhax.bin
Executable file
BIN
arm9loaderhax.bin
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BIN
arm9loaderhax.elf
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BIN
arm9loaderhax.elf
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example.bin
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example.bin
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6
example.c
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6
example.c
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@ -0,0 +1,6 @@
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void init() {
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unsigned char *lfb=(unsigned char*)0x18300000;
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for(int i=500;i<1000;i++)
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lfb[i]=0xFF; //Output simple message
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for(;;);
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}
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example.elf
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example.elf
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11
example.ld
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11
example.ld
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@ -0,0 +1,11 @@
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ENTRY(_start)
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SECTIONS
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{
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. = 0x8000000 ;
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.text.start : { *(.text.start)}
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.text : {*(.text)}
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.data : {*(.data)}
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.bss : {*(.bss COMMON)}
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.rodata : {*(.rodata)}
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. = ALIGN(4);
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}
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BIN
firm.bin
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BIN
firm.bin
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17
loader.c
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loader.c
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@ -45,10 +45,21 @@ void main() {
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struct FIRM_header firm;
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sdmmc_sdcard_readsectors(drive.partition[3].start,1, (u8*)&firm);
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char* magic="FIRM";
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for(int i=0;i<4;i++)
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if(magic[i]!=firm.magic[i])
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for(int i=0;i<4;i++) {
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if(magic[i]!=firm.magic[i]) {
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return; //Check magic
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for(;;); //Deadlock if checksum's right. for debugging
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}
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}
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//Load segments into memory
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int i;
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for(i=0;i<4;i++) {
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u32 startsector=firm.sections[i].offset/512;
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u32 length=firm.sections[i].size/512+1;
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u8* buf=(u8*)firm.sections[i].physical;
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sdmmc_sdcard_readsectors(startsector,length,buf);
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}
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*((u32*)0x1FFFFFF8)=firm.arm11Entry;
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((void(*)())firm.arm9Entry)(); //Kill me
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}
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}
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void init() {
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