d103461fa9
*Added bin2h *Added elfloader *Updated asm/make.cmd git-svn-id: svn://localhost/Users/andi/Downloads/code/trunk@14 be6c1b03-d731-4111-a574-e37d80d43941
87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
/*
|
|
mini - a Free Software replacement for the Nintendo/BroadOn IOS.
|
|
|
|
ELF loader
|
|
|
|
Copyright (C) 2008, 2009 Hector Martin "marcan" <marcan@marcansoft.com>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, version 2.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
*/
|
|
#include "types.h"
|
|
#include "utils.h"
|
|
#include "start.h"
|
|
#include "hollywood.h"
|
|
#include "string.h"
|
|
#include "elf.h"
|
|
|
|
typedef struct {
|
|
u32 hdrsize;
|
|
u32 loadersize;
|
|
u32 elfsize;
|
|
u32 argument;
|
|
} ioshdr;
|
|
|
|
void *loadelf(const u8 *elf) {
|
|
if(memcmp("\x7F" "ELF\x01\x02\x01",elf,7)) {
|
|
panic(0xE3);
|
|
}
|
|
|
|
Elf32_Ehdr *ehdr = (Elf32_Ehdr*)elf;
|
|
if(ehdr->e_phoff == 0) {
|
|
panic(0xE4);
|
|
}
|
|
int count = ehdr->e_phnum;
|
|
Elf32_Phdr *phdr = (Elf32_Phdr*)(elf + ehdr->e_phoff);
|
|
while(count--)
|
|
{
|
|
if(phdr->p_type == PT_LOAD) {
|
|
const void *src = elf + phdr->p_offset;
|
|
memcpy(phdr->p_paddr, src, phdr->p_filesz);
|
|
}
|
|
phdr++;
|
|
}
|
|
return ehdr->e_entry;
|
|
}
|
|
|
|
static inline void disable_boot0()
|
|
{
|
|
set32(HW_BOOT0, 0x1000);
|
|
}
|
|
|
|
static inline void mem_setswap()
|
|
{
|
|
set32(HW_MEMMIRR, 0x20);
|
|
}
|
|
|
|
void *_main(void *base)
|
|
{
|
|
ioshdr *hdr = (ioshdr*)base;
|
|
u8 *elf;
|
|
void *entry;
|
|
|
|
elf = (u8*) base;
|
|
elf += hdr->hdrsize + hdr->loadersize;
|
|
|
|
debug_output(0xF1);
|
|
mem_setswap(1);
|
|
disable_boot0(1);
|
|
|
|
entry = loadelf(elf);
|
|
debug_output(0xC1);
|
|
return entry;
|
|
|
|
}
|
|
|