/* * U-boot - bootm.c - misc boot helper functions * * Copyright (c) 2005-2008 Analog Devices Inc. * * (C) Copyright 2000-2004 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * Licensed under the GPL-2 or later. */ #include <common.h> #include <command.h> #include <image.h> #include <asm/blackfin.h> extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); #ifdef SHARED_RESOURCES extern void swap_to(int device_id); #endif static char *make_command_line(void) { char *dest = (char *)CMD_LINE_ADDR; char *bootargs = getenv("bootargs"); if (bootargs == NULL) return NULL; strncpy(dest, bootargs, 0x1000); dest[0xfff] = 0; return dest; } void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], bootm_headers_t *images) { int (*appl) (char *cmdline); char *cmdline; ulong ep = 0; if (!images->autostart) return; #ifdef SHARED_RESOURCES swap_to(FLASH); #endif /* find kernel entry point */ if (images->legacy_hdr_valid) { ep = image_get_ep (&images->legacy_hdr_os_copy); #if defined(CONFIG_FIT) } else if (images->fit_uname_os) { int ret = fit_image_get_entry (images->fit_hdr_os, images->fit_noffset_os, &ep); if (ret) { puts ("Can't get entry point property!\n"); goto error; } #endif } else { puts ("Could not find kernel entry point!\n"); goto error; } appl = (int (*)(char *))ep; printf("Starting Kernel at = %x\n", appl); cmdline = make_command_line(); icache_disable(); dcache_disable(); (*appl) (cmdline); /* does not return */ return; error: if (images->autostart) do_reset (cmdtp, flag, argc, argv); }