From 5deb3317cb51ac52de922bb55f8492624018906d Mon Sep 17 00:00:00 2001 From: Roman Yeryomin Date: Thu, 13 Sep 2012 00:40:35 +0300 Subject: Add realtek target files Signed-off-by: Roman Yeryomin --- target/linux/realtek/files/rtkload/hfload.c | 117 ++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 target/linux/realtek/files/rtkload/hfload.c (limited to 'target/linux/realtek/files/rtkload/hfload.c') diff --git a/target/linux/realtek/files/rtkload/hfload.c b/target/linux/realtek/files/rtkload/hfload.c new file mode 100644 index 000000000..05bdb4772 --- /dev/null +++ b/target/linux/realtek/files/rtkload/hfload.c @@ -0,0 +1,117 @@ +/* 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 +#include + +#include +//#include +#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); +} -- cgit v1.2.3