X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=lib_sh%2Fbootm.c;h=ae1f869f10d9b31da0e69a4ab75797a955045276;hb=e1491288743c3c3547c9b512d03f42eae530a114;hp=14b6815cd40eacf1caf47095c70ffb9a49e48f9a;hpb=4a995edec1ac163d9326d143ffe2b47e7543407f;p=oweals%2Fu-boot.git diff --git a/lib_sh/bootm.c b/lib_sh/bootm.c index 14b6815cd4..ae1f869f10 100644 --- a/lib_sh/bootm.c +++ b/lib_sh/bootm.c @@ -2,6 +2,9 @@ * (C) Copyright 2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * + * (c) Copyright 2008 Nobuhiro Iwamatsu + * (c) Copyright 2008 Renesas Solutions Corp. + * * See file CREDITS for list of people who contributed to this * project. * @@ -25,50 +28,43 @@ #include #include -extern image_header_t header; /* common/cmd_bootm.c */ - -/* The SH kernel reads arguments from the empty zero page at location - * 0 at the start of SDRAM. The following are copied from - * arch/sh/kernel/setup.c and may require tweaking if the kernel sources - * change. - */ -#define PARAM ((unsigned char *)CFG_SDRAM_BASE + 0x1000) - -#define MOUNT_ROOT_RDONLY (*(unsigned long *) (PARAM+0x000)) -#define RAMDISK_FLAGS (*(unsigned long *) (PARAM+0x004)) -#define ORIG_ROOT_DEV (*(unsigned long *) (PARAM+0x008)) -#define LOADER_TYPE (*(unsigned long *) (PARAM+0x00c)) -#define INITRD_START (*(unsigned long *) (PARAM+0x010)) -#define INITRD_SIZE (*(unsigned long *) (PARAM+0x014)) -/* ... */ -#define COMMAND_LINE ((char *) (PARAM+0x100)) - -#define RAMDISK_IMAGE_START_MASK 0x07FF - -#ifdef CFG_DEBUG -static void hexdump (unsigned char *buf, int len) +#ifdef CONFIG_SYS_DEBUG +static void hexdump(unsigned char *buf, int len) { int i; for (i = 0; i < len; i++) { if ((i % 16) == 0) - printf ("%s%08x: ", i ? "\n" : "", (unsigned int) &buf[i]); - printf ("%02x ", buf[i]); + printf("%s%08x: ", i ? "\n" : "", + (unsigned int)&buf[i]); + printf("%02x ", buf[i]); } - printf ("\n"); + printf("\n"); } #endif -void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], - ulong addr, ulong *len_ptr, int verify) +int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) { - image_header_t *hdr = &header; + /* Linux kernel load address */ + void (*kernel) (void) = (void (*)(void))images->ep; + /* empty_zero_page */ + unsigned char *param + = (unsigned char *)image_get_load(images->legacy_hdr_os); + /* Linux kernel command line */ + char *cmdline = (char *)param + 0x100; + /* PAGE_SIZE */ + unsigned long size = images->ep - (unsigned long)param; char *bootargs = getenv("bootargs"); - void (*kernel) (void) = (void (*)(void)) ntohl (hdr->ih_ep); + + if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) + return 1; /* Setup parameters */ - memset(PARAM, 0, 0x1000); /* Clear zero page */ - strcpy(COMMAND_LINE, bootargs); + memset(param, 0, size); /* Clear zero page */ + strcpy(cmdline, bootargs); kernel(); + /* does not return */ + + return 1; }