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/* hfload.c
*
* This file is subject to the terms and conditions of the GNU
* General Public License. See the file "COPYING" in the main
* directory of this archive for more details.
*
* Copyright (C) 2000, Jay Carlson
*/
/*
* Boot loader main program.
*/
//#include <linux/config.h>
#include <linux/autoconf.h>
#include <unistd.h>
//#include <linux/elf.h>
#include "hfload.h"
#define REG32(reg) (*(volatile unsigned int *)((unsigned int)reg))
#if defined(CONFIG_RTL_819X)
#define BASE_ADDR 0xB8000000
#define set_io_port_base(base) \
do { * (unsigned long *) &mips_io_port_base = (base); } while (0)
const unsigned long mips_io_port_base;
#endif
int file_offset;
unsigned long kernelStartAddr;
/*
int old_stack_pointer;
#define MAX_PHDRS_SIZE 8
Elf32_Ehdr header;
Elf32_Phdr phdrs[MAX_PHDRS_SIZE];
*/
extern void flush_cache(void);
/*
void
zero_region(char *start, char *end)
{
char *addr;
int count;
count = end - start;
#ifndef __DO_QUIET__
printf("zeroing from %08x to to %08x, 0x%x bytes\n", start, end, count);
#endif
#ifndef FAKE_COPYING
memset(start, 0, count);
#endif
}
void
load_phdr(Elf32_Phdr *phdr)
{
char *addr, *end;
seek_forward(phdr->p_offset);
addr = (char *)phdr->p_vaddr;
end = ((char *)addr) + phdr->p_memsz;
copy_to_region(addr, phdr->p_filesz);
addr = ((char *)addr) + phdr->p_filesz;
zero_region(addr, end);
}
*/
int main(unsigned long stack_start_addr)
{
int i;
//Elf32_Ehdr *pHdr;
file_offset = 0;
#if defined(CONFIG_RTL_819X)
set_io_port_base(BASE_ADDR);
#endif
#ifndef __DO_QUIET__
printf("decompressing kernel:\n");
#endif
#ifdef CONFIG_RTL8197B_PANA
extern int is_vmlinux_checksum_ok();
REG32(0xB801900C) = REG32(0xB801900C) & (~0x0400); //SYSSR, AllSoftwareReady=0
if (!is_vmlinux_checksum_ok()) {
printf("Linux image corrupted!\n");
for (;;);
}
#endif
#ifndef BZ2_COMPRESS
decompress_kernel(UNCOMPRESS_OUT, stack_start_addr+4096, FREEMEM_END, 0);
#else
decompress_kernel(UNCOMPRESS_OUT, stack_start_addr+4096, FREEMEM_END, 0);
#endif
#ifndef __DO_QUIET__
printf("done decompressing kernel.\n");
#endif
flush_cache();
printf("start address: 0x%08x\n", kernelStartAddr);
start_kernel(kernelStartAddr);
//start_kernel(0x80000000);
}
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