diff options
| -rw-r--r-- | src/arch/i386/lib/copy_and_run.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/arch/i386/lib/copy_and_run.c b/src/arch/i386/lib/copy_and_run.c new file mode 100644 index 0000000000..bf8d592f54 --- /dev/null +++ b/src/arch/i386/lib/copy_and_run.c @@ -0,0 +1,54 @@ +/* by yhlu 6.2005 + moved from nrv2v.c and some lines from crt0.S + 2006/05/02 - stepan: move nrv2b to an extra file. +*/ + +#include <console/console.h> +#include <stdint.h> +#include <string.h> + +#if CONFIG_COMPRESS +#define ENDIAN 0 +#define BITSIZE 32 +#include "../lib/nrv2b.c" +#endif + +void copy_and_run_core(u8 *src, u8 *dst, unsigned long ilen, unsigned ebp) +{ + unsigned long olen; + +#if CONFIG_USE_INIT + printk_spew("src=%08x\r\n",src); + printk_spew("dst=%08x\r\n",dst); +#else + print_spew("src="); print_spew_hex32((uint32_t)src); print_spew("\r\n"); + print_spew("dst="); print_spew_hex32((uint32_t)dst); print_spew("\r\n"); +#endif + +#if !CONFIG_COMPRESS + print_debug("Copying image to RAM.\r\n"); + memcpy(src, dst, ilen); + olen = ilen; +#else + print_debug("Uncompressing image to RAM.\r\n"); +// dump_mem(src, src+0x100); + olen = unrv2b(src, dst, &ilen); +#endif + +// dump_mem(dst, dst+0x100); +#if CONFIG_USE_INIT + printk_spew("image length = %08x\r\n", olen); +#else + print_spew("image length = "); print_spew_hex32(olen); print_spew("\r\n"); +#endif + print_debug("Jumping to image.\r\n"); + + __asm__ volatile ( + "movl %0, %%ebp\n\t" + "cli\n\t" + "leal _iseg, %%edi\n\t" + "jmp *%%edi\n\t" + :: "a"(ebp) + ); + +} |