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/* by yhlu 6.2005
moved from nrv2v.c and some lines from crt0.S
2006/05/02 - stepan: move nrv2b to an extra file.
*/
#if CONFIG_COMPRESS
#define ENDIAN 0
#define BITSIZE 32
#include "lib/nrv2b.c"
#endif
static void copy_and_run(unsigned cpu_reset)
{
uint8_t *src, *dst;
unsigned long dst_len;
unsigned long ilen, olen;
print_debug("Copying LinuxBIOS to ram.\r\n");
#if !CONFIG_COMPRESS
__asm__ volatile (
"leal _liseg, %0\n\t"
"leal _iseg, %1\n\t"
"leal _eiseg, %2\n\t"
"subl %1, %2\n\t"
: "=a" (src), "=b" (dst), "=c" (dst_len)
);
memcpy(src, dst, dst_len);
#else
__asm__ volatile (
"leal _liseg, %0\n\t"
"leal _iseg, %1\n\t"
: "=a" (src) , "=b" (dst)
);
#if CONFIG_USE_INIT
printk_debug("src=%08x\r\n",src);
printk_debug("dst=%08x\r\n",dst);
#else
print_debug("src="); print_debug_hex32(src); print_debug("\r\n");
print_debug("dst="); print_debug_hex32(dst); print_debug("\r\n");
#endif
// dump_mem(src, src+0x100);
olen=unrv2b(src, dst);
#endif
// dump_mem(dst, dst+0x100);
#if CONFIG_USE_INIT
printk_debug("linxbios_ram.bin length = %08x\r\n", olen);
#else
print_debug("linxbios_ram.bin length = "); print_debug_hex32(olen); print_debug("\r\n");
#endif
print_debug("Jumping to LinuxBIOS.\r\n");
if(cpu_reset == 1 ) {
__asm__ volatile (
"movl $0xffffffff, %ebp\n\t"
);
}
else {
__asm__ volatile (
"xorl %ebp, %ebp\n\t"
);
}
__asm__ volatile (
"cli\n\t"
"leal _iseg, %edi\n\t"
"jmp %edi\n\t"
);
}
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