diff options
Diffstat (limited to 'common/cmd_bootm.c.orig')
| -rw-r--r-- | common/cmd_bootm.c.orig | 1379 |
1 files changed, 0 insertions, 1379 deletions
diff --git a/common/cmd_bootm.c.orig b/common/cmd_bootm.c.orig deleted file mode 100644 index ab6ccbb..0000000 --- a/common/cmd_bootm.c.orig +++ /dev/null @@ -1,1379 +0,0 @@ -/* - * (C) Copyright 2000-2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* - * Boot support - */ -#include <common.h> -#include <watchdog.h> -#include <command.h> -#include <image.h> -#include <malloc.h> -#include <zlib.h> -#include <bzlib.h> -#include <environment.h> -#include <asm/byteorder.h> - - /*cmd_boot.c*/ - extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); - -#if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP) -#include <rtc.h> -#endif - -#ifdef CFG_HUSH_PARSER -#include <hush.h> -#endif - -#ifdef CONFIG_SHOW_BOOT_PROGRESS -# include <status_led.h> -# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) -#else -# define SHOW_BOOT_PROGRESS(arg) -#endif - -#ifdef CFG_INIT_RAM_LOCK -#include <asm/cache.h> -#endif - -#ifdef CONFIG_LOGBUFFER -#include <logbuff.h> -#endif - -#ifdef CONFIG_HAS_DATAFLASH -#include <dataflash.h> -#endif - -/* - * Some systems (for example LWMON) have very short watchdog periods; - * we must make sure to split long operations like memmove() or - * crc32() into reasonable chunks. - */ -#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) -# define CHUNKSZ (64 * 1024) -#endif - -int gunzip (void *, int, unsigned char *, unsigned long *); - -static void *zalloc(void *, unsigned, unsigned); -static void zfree(void *, void *, unsigned); - -#if (CONFIG_COMMANDS & CFG_CMD_IMI) -static int image_info (unsigned long addr); -#endif - -#if (CONFIG_COMMANDS & CFG_CMD_IMLS) -#include <flash.h> -extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ -static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); -#endif - -static void print_type (image_header_t *hdr); - -#ifdef __I386__ -image_header_t *fake_header(image_header_t *hdr, void *ptr, int size); -#endif - -/* - * Continue booting an OS image; caller already has: - * - copied image header to global variable `header' - * - checked header magic number, checksums (both header & image), - * - verified image architecture (PPC) and type (KERNEL or MULTI), - * - loaded (first part of) image to header load address, - * - disabled interrupts. - */ -typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag, - int argc, char *argv[], - ulong addr, /* of image to boot */ - ulong *len_ptr, /* multi-file image length table */ - int verify); /* getenv("verify")[0] != 'n' */ - -#ifdef DEBUG -extern int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); -#endif - -#ifdef CONFIG_PPC -static boot_os_Fcn do_bootm_linux; -#else -extern boot_os_Fcn do_bootm_linux; -#endif -#ifdef CONFIG_SILENT_CONSOLE -static void fixup_silent_linux (void); -#endif -static boot_os_Fcn do_bootm_netbsd; -static boot_os_Fcn do_bootm_rtems; -#if (CONFIG_COMMANDS & CFG_CMD_ELF) -static boot_os_Fcn do_bootm_vxworks; -static boot_os_Fcn do_bootm_qnxelf; -int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] ); -int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] ); -#endif /* CFG_CMD_ELF */ -#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC) -static boot_os_Fcn do_bootm_artos; -#endif -#ifdef CONFIG_LYNXKDI -static boot_os_Fcn do_bootm_lynxkdi; -extern void lynxkdi_boot( image_header_t * ); -#endif - -image_header_t header; - -ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */ - -int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -{ - ulong iflag; - ulong addr; - ulong data, len, checksum; - ulong *len_ptr; - uint unc_len = 0x400000; - int i, verify; - char *name, *s; - int (*appl)(int, char *[]); - image_header_t *hdr = &header; - - s = getenv ("verify"); - verify = (s && (*s == 'n')) ? 0 : 1; - - if (argc < 2) { - addr = load_addr; - } else { - addr = simple_strtoul(argv[1], NULL, 16); - } - - SHOW_BOOT_PROGRESS (1); - printf ("## Booting image at %08lx ...\n", addr); - - /* Copy header so we can blank CRC field for re-calculation */ -#ifdef CONFIG_HAS_DATAFLASH - if (addr_dataflash(addr)){ - read_dataflash(addr, sizeof(image_header_t), (char *)&header); - } else -#endif - memmove (&header, (char *)addr, sizeof(image_header_t)); - - if (ntohl(hdr->ih_magic) != IH_MAGIC) { -#ifdef __I386__ /* correct image format not implemented yet - fake it */ - if (fake_header(hdr, (void*)addr, -1) != NULL) { - /* to compensate for the addition below */ - addr -= sizeof(image_header_t); - /* turnof verify, - * fake_header() does not fake the data crc - */ - verify = 0; - } else -#endif /* __I386__ */ - { - puts ("Bad Magic Number\n"); - SHOW_BOOT_PROGRESS (-1); - return 1; - } - } - SHOW_BOOT_PROGRESS (2); - - data = (ulong)&header; - len = sizeof(image_header_t); - - checksum = ntohl(hdr->ih_hcrc); - hdr->ih_hcrc = 0; - - if (crc32 (0, (char *)data, len) != checksum) { - puts ("Bad Header Checksum\n"); - SHOW_BOOT_PROGRESS (-2); - return 1; - } - SHOW_BOOT_PROGRESS (3); - -#ifdef CONFIG_HAS_DATAFLASH - if (addr_dataflash(addr)){ - len = ntohl(hdr->ih_size) + sizeof(image_header_t); - read_dataflash(addr, len, (char *)CFG_LOAD_ADDR); - addr = CFG_LOAD_ADDR; - } -#endif - - - /* for multi-file images we need the data part, too */ - print_image_hdr ((image_header_t *)addr); - - data = addr + sizeof(image_header_t); - len = ntohl(hdr->ih_size); - - if (verify) { - puts (" Verifying Checksum ... "); - if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) { - printf ("Bad Data CRC\n"); - SHOW_BOOT_PROGRESS (-3); - return 1; - } - puts ("OK\n"); - } - SHOW_BOOT_PROGRESS (4); - - len_ptr = (ulong *)data; - -#if defined(__PPC__) - if (hdr->ih_arch != IH_CPU_PPC) -#elif defined(__ARM__) - if (hdr->ih_arch != IH_CPU_ARM) -#elif defined(__I386__) - if (hdr->ih_arch != IH_CPU_I386) -#elif defined(__mips__) - if (hdr->ih_arch != IH_CPU_MIPS) -#elif defined(__nios__) - if (hdr->ih_arch != IH_CPU_NIOS) -#elif defined(__M68K__) - if (hdr->ih_arch != IH_CPU_M68K) -#elif defined(__microblaze__) - if (hdr->ih_arch != IH_CPU_MICROBLAZE) -#elif defined(__nios2__) - if (hdr->ih_arch != IH_CPU_NIOS2) -#else -# error Unknown CPU type -#endif - { - printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch); - SHOW_BOOT_PROGRESS (-4); - return 1; - } - SHOW_BOOT_PROGRESS (5); - - switch (hdr->ih_type) { - case IH_TYPE_STANDALONE: - name = "Standalone Application"; - /* A second argument overwrites the load address */ - if (argc > 2) { - hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16)); - } - break; - case IH_TYPE_KERNEL: - name = "Kernel Image"; - break; - case IH_TYPE_MULTI: - name = "Multi-File Image"; - len = ntohl(len_ptr[0]); - /* OS kernel is always the first image */ - data += 8; /* kernel_len + terminator */ - for (i=1; len_ptr[i]; ++i) - data += 4; - break; - default: printf ("Wrong Image Type for %s command\n", cmdtp->name); - SHOW_BOOT_PROGRESS (-5); - return 1; - } - SHOW_BOOT_PROGRESS (6); - - /* - * We have reached the point of no return: we are going to - * overwrite all exception vector code, so we cannot easily - * recover from any failures any more... - */ - - iflag = disable_interrupts(); - -#ifdef CONFIG_AMIGAONEG3SE - /* - * We've possible left the caches enabled during - * bios emulation, so turn them off again - */ - icache_disable(); - invalidate_l1_instruction_cache(); - flush_data_cache(); - dcache_disable(); -#endif - - switch (hdr->ih_comp) { - case IH_COMP_NONE: - if(ntohl(hdr->ih_load) == addr) { - printf (" XIP %s ... ", name); - } else { -#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) - size_t l = len; - void *to = (void *)ntohl(hdr->ih_load); - void *from = (void *)data; - - printf (" Loading %s ... ", name); - - while (l > 0) { - size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l; - WATCHDOG_RESET(); - memmove (to, from, tail); - to += tail; - from += tail; - l -= tail; - } -#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ - memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len); -#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ - } - break; - case IH_COMP_GZIP: - printf (" Uncompressing %s ... ", name); - if (gunzip ((void *)ntohl(hdr->ih_load), unc_len, - (uchar *)data, &len) != 0) { - puts ("GUNZIP ERROR - must RESET board to recover\n"); - SHOW_BOOT_PROGRESS (-6); - do_reset (cmdtp, flag, argc, argv); - } - break; -#ifdef CONFIG_BZIP2 - case IH_COMP_BZIP2: - printf (" Uncompressing %s ... ", name); - /* - * If we've got less than 4 MB of malloc() space, - * use slower decompression algorithm which requires - * at most 2300 KB of memory. - */ - i = BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load), - &unc_len, (char *)data, len, - CFG_MALLOC_LEN < (4096 * 1024), 0); - if (i != BZ_OK) { - printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i); - SHOW_BOOT_PROGRESS (-6); - udelay(100000); - do_reset (cmdtp, flag, argc, argv); - } - break; -#endif /* CONFIG_BZIP2 */ - default: - if (iflag) - enable_interrupts(); - printf ("Unimplemented compression type %d\n", hdr->ih_comp); - SHOW_BOOT_PROGRESS (-7); - return 1; - } - puts ("OK\n"); - SHOW_BOOT_PROGRESS (7); - - switch (hdr->ih_type) { - case IH_TYPE_STANDALONE: - if (iflag) - enable_interrupts(); - - /* load (and uncompress), but don't start if "autostart" - * is set to "no" - */ - if (((s = getenv("autostart")) != NULL) && (strcmp(s,"no") == 0)) { - char buf[32]; - sprintf(buf, "%lX", len); - setenv("filesize", buf); - return 0; - } - appl = (int (*)(int, char *[]))ntohl(hdr->ih_ep); - (*appl)(argc-1, &argv[1]); - return 0; - case IH_TYPE_KERNEL: - case IH_TYPE_MULTI: - /* handled below */ - break; - default: - if (iflag) - enable_interrupts(); - printf ("Can't boot image type %d\n", hdr->ih_type); - SHOW_BOOT_PROGRESS (-8); - return 1; - } - SHOW_BOOT_PROGRESS (8); - - switch (hdr->ih_os) { - default: /* handled by (original) Linux case */ - case IH_OS_LINUX: -#ifdef CONFIG_SILENT_CONSOLE - fixup_silent_linux(); -#endif - do_bootm_linux (cmdtp, flag, argc, argv, - addr, len_ptr, verify); - break; - case IH_OS_NETBSD: - do_bootm_netbsd (cmdtp, flag, argc, argv, - addr, len_ptr, verify); - break; - -#ifdef CONFIG_LYNXKDI - case IH_OS_LYNXOS: - do_bootm_lynxkdi (cmdtp, flag, argc, argv, - addr, len_ptr, verify); - break; -#endif - - case IH_OS_RTEMS: - do_bootm_rtems (cmdtp, flag, argc, argv, - addr, len_ptr, verify); - break; - -#if (CONFIG_COMMANDS & CFG_CMD_ELF) - case IH_OS_VXWORKS: - do_bootm_vxworks (cmdtp, flag, argc, argv, - addr, len_ptr, verify); - break; - case IH_OS_QNX: - do_bootm_qnxelf (cmdtp, flag, argc, argv, - addr, len_ptr, verify); - break; -#endif /* CFG_CMD_ELF */ -#ifdef CONFIG_ARTOS - case IH_OS_ARTOS: - do_bootm_artos (cmdtp, flag, argc, argv, - addr, len_ptr, verify); - break; -#endif - } - - SHOW_BOOT_PROGRESS (-9); -#ifdef DEBUG - puts ("\n## Control returned to monitor - resetting...\n"); - do_reset (cmdtp, flag, argc, argv); -#endif - return 1; -} - -U_BOOT_CMD( - bootm, CFG_MAXARGS, 1, do_bootm, - "bootm - boot application image from memory\n", - "[addr [arg ...]]\n - boot application image stored in memory\n" - "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n" - "\t'arg' can be the address of an initrd image\n" -); - -#ifdef CONFIG_SILENT_CONSOLE -static void -fixup_silent_linux () -{ - DECLARE_GLOBAL_DATA_PTR; - char buf[256], *start, *end; - char *cmdline = getenv ("bootargs"); - - /* Only fix cmdline when requested */ - if (!(gd->flags & GD_FLG_SILENT)) - return; - - debug ("before silent fix-up: %s\n", cmdline); - if (cmdline) { - if ((start = strstr (cmdline, "console=")) != NULL) { - end = strchr (start, ' '); - strncpy (buf, cmdline, (start - cmdline + 8)); - if (end) - strcpy (buf + (start - cmdline + 8), end); - else - buf[start - cmdline + 8] = '\0'; - } else { - strcpy (buf, cmdline); - strcat (buf, " console="); - } - } else { - strcpy (buf, "console="); - } - - setenv ("bootargs", buf); - debug ("after silent fix-up: %s\n", buf); -} -#endif /* CONFIG_SILENT_CONSOLE */ - -#ifdef CONFIG_PPC -static void -do_bootm_linux (cmd_tbl_t *cmdtp, int flag, - int argc, char *argv[], - ulong addr, - ulong *len_ptr, - int verify) -{ - DECLARE_GLOBAL_DATA_PTR; - - ulong sp; - ulong len, checksum; - ulong initrd_start, initrd_end; - ulong cmd_start, cmd_end; - ulong initrd_high; - ulong data; - int initrd_copy_to_ram = 1; - char *cmdline; - char *s; - bd_t *kbd; - void (*kernel)(bd_t *, ulong, ulong, ulong, ulong); - image_header_t *hdr = &header; - - if ((s = getenv ("initrd_high")) != NULL) { - /* a value of "no" or a similar string will act like 0, - * turning the "load high" feature off. This is intentional. - */ - initrd_high = simple_strtoul(s, NULL, 16); - if (initrd_high == ~0) - initrd_copy_to_ram = 0; - } else { /* not set, no restrictions to load high */ - initrd_high = ~0; - } - -#ifdef CONFIG_LOGBUFFER - kbd=gd->bd; - /* Prevent initrd from overwriting logbuffer */ - if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD)) - initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD; - debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN); -#endif - - /* - * Booting a (Linux) kernel image - * - * Allocate space for command line and board info - the - * address should be as high as possible within the reach of - * the kernel (see CFG_BOOTMAPSZ settings), but in unused - * memory, which means far enough below the current stack - * pointer. - */ - - asm( "mr %0,1": "=r"(sp) : ); - - debug ("## Current stack ends at 0x%08lX ", sp); - - sp -= 2048; /* just to be sure */ - if (sp > CFG_BOOTMAPSZ) - sp = CFG_BOOTMAPSZ; - sp &= ~0xF; - - debug ("=> set upper limit to 0x%08lX\n", sp); - - cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF); - kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF); - - if ((s = getenv("bootargs")) == NULL) - s = ""; - - strcpy (cmdline, s); - - cmd_start = (ulong)&cmdline[0]; - cmd_end = cmd_start + strlen(cmdline); - - *kbd = *(gd->bd); - -#ifdef DEBUG - printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end); - - do_bdinfo (NULL, 0, 0, NULL); -#endif - - if ((s = getenv ("clocks_in_mhz")) != NULL) { - /* convert all clock information to MHz */ - kbd->bi_intfreq /= 1000000L; - kbd->bi_busfreq /= 1000000L; -#if defined(CONFIG_MPC8220) - kbd->bi_inpfreq /= 1000000L; - kbd->bi_pcifreq /= 1000000L; - kbd->bi_pevfreq /= 1000000L; - kbd->bi_flbfreq /= 1000000L; - kbd->bi_vcofreq /= 1000000L; -#endif -#if defined(CONFIG_CPM2) - kbd->bi_cpmfreq /= 1000000L; - kbd->bi_brgfreq /= 1000000L; - kbd->bi_sccfreq /= 1000000L; - kbd->bi_vco /= 1000000L; -#endif -#if defined(CONFIG_MPC5xxx) - kbd->bi_ipbfreq /= 1000000L; - kbd->bi_pcifreq /= 1000000L; -#endif /* CONFIG_MPC5xxx */ - } - - kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))hdr->ih_ep; - - /* - * Check if there is an initrd image - */ - if (argc >= 3) { - SHOW_BOOT_PROGRESS (9); - - addr = simple_strtoul(argv[2], NULL, 16); - - printf ("## Loading RAMDisk Image at %08lx ...\n", addr); - - /* Copy header so we can blank CRC field for re-calculation */ - memmove (&header, (char *)addr, sizeof(image_header_t)); - - if (hdr->ih_magic != IH_MAGIC) { - puts ("Bad Magic Number\n"); - SHOW_BOOT_PROGRESS (-10); - do_reset (cmdtp, flag, argc, argv); - } - - data = (ulong)&header; - len = sizeof(image_header_t); - - checksum = hdr->ih_hcrc; - hdr->ih_hcrc = 0; - - if (crc32 (0, (char *)data, len) != checksum) { - puts ("Bad Header Checksum\n"); - SHOW_BOOT_PROGRESS (-11); - do_reset (cmdtp, flag, argc, argv); - } - - SHOW_BOOT_PROGRESS (10); - - print_image_hdr (hdr); - - data = addr + sizeof(image_header_t); - len = hdr->ih_size; - - if (verify) { - ulong csum = 0; -#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) - ulong cdata = data, edata = cdata + len; -#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ - - puts (" Verifying Checksum ... "); - -#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) - - while (cdata < edata) { - ulong chunk = edata - cdata; - - if (chunk > CHUNKSZ) - chunk = CHUNKSZ; - csum = crc32 (csum, (char *)cdata, chunk); - cdata += chunk; - - WATCHDOG_RESET(); - } -#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ - csum = crc32 (0, (char *)data, len); -#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ - - if (csum != hdr->ih_dcrc) { - puts ("Bad Data CRC\n"); - SHOW_BOOT_PROGRESS (-12); - do_reset (cmdtp, flag, argc, argv); - } - puts ("OK\n"); - } - - SHOW_BOOT_PROGRESS (11); - - if ((hdr->ih_os != IH_OS_LINUX) || - (hdr->ih_arch != IH_CPU_PPC) || - (hdr->ih_type != IH_TYPE_RAMDISK) ) { - puts ("No Linux PPC Ramdisk Image\n"); - SHOW_BOOT_PROGRESS (-13); - do_reset (cmdtp, flag, argc, argv); - } - - /* - * Now check if we have a multifile image - */ - } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) { - u_long tail = ntohl(len_ptr[0]) % 4; - int i; - - SHOW_BOOT_PROGRESS (13); - - /* skip kernel length and terminator */ - data = (ulong)(&len_ptr[2]); - /* skip any additional image length fields */ - for (i=1; len_ptr[i]; ++i) - data += 4; - /* add kernel length, and align */ - data += ntohl(len_ptr[0]); - if (tail) { - data += 4 - tail; - } - - len = ntohl(len_ptr[1]); - - } else { - /* - * no initrd image - */ - SHOW_BOOT_PROGRESS (14); - - len = data = 0; - } - - if (!data) { - debug ("No initrd\n"); - } - - if (data) { - if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ - initrd_start = data; - initrd_end = initrd_start + len; - } else { - initrd_start = (ulong)kbd - len; - initrd_start &= ~(4096 - 1); /* align on page */ - - if (initrd_high) { - ulong nsp; - - /* - * the inital ramdisk does not need to be within - * CFG_BOOTMAPSZ as it is not accessed until after - * the mm system is initialised. - * - * do the stack bottom calculation again and see if - * the initrd will fit just below the monitor stack - * bottom without overwriting the area allocated - * above for command line args and board info. - */ - asm( "mr %0,1": "=r"(nsp) : ); - nsp -= 2048; /* just to be sure */ - nsp &= ~0xF; - if (nsp > initrd_high) /* limit as specified */ - nsp = initrd_high; - nsp -= len; - nsp &= ~(4096 - 1); /* align on page */ - if (nsp >= sp) - initrd_start = nsp; - } - - SHOW_BOOT_PROGRESS (12); - - debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", - data, data + len - 1, len, len); - - initrd_end = initrd_start + len; - printf (" Loading Ramdisk to %08lx, end %08lx ... ", - initrd_start, initrd_end); -#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) - { - size_t l = len; - void *to = (void *)initrd_start; - void *from = (void *)data; - - while (l > 0) { - size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l; - WATCHDOG_RESET(); - memmove (to, from, tail); - to += tail; - from += tail; - l -= tail; - } - } -#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ - memmove ((void *)initrd_start, (void *)data, len); -#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ - puts ("OK\n"); - } - } else { - initrd_start = 0; - initrd_end = 0; - } - - - debug ("## Transferring control to Linux (at address %08lx) ...\n", - (ulong)kernel); - - SHOW_BOOT_PROGRESS (15); - -#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500) - unlock_ram_in_cache(); -#endif - /* - * Linux Kernel Parameters: - * r3: ptr to board info data - * r4: initrd_start or 0 if no initrd - * r5: initrd_end - unused if r4 is 0 - * r6: Start of command line string - * r7: End of command line string - */ - (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end); -} -#endif /* CONFIG_PPC */ - -static void -do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag, - int argc, char *argv[], - ulong addr, - ulong *len_ptr, - int verify) -{ - DECLARE_GLOBAL_DATA_PTR; - - image_header_t *hdr = &header; - - void (*loader)(bd_t *, image_header_t *, char *, char *); - image_header_t *img_addr; - char *consdev; - char *cmdline; - - - /* - * Booting a (NetBSD) kernel image - * - * This process is pretty similar to a standalone application: - * The (first part of an multi-) image must be a stage-2 loader, - * which in turn is responsible for loading & invoking the actual - * kernel. The only differences are the parameters being passed: - * besides the board info strucure, the loader expects a command - * line, the name of the console device, and (optionally) the - * address of the original image header. - */ - - img_addr = 0; - if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) - img_addr = (image_header_t *) addr; - - - consdev = ""; -#if defined (CONFIG_8xx_CONS_SMC1) - consdev = "smc1"; -#elif defined (CONFIG_8xx_CONS_SMC2) - consdev = "smc2"; -#elif defined (CONFIG_8xx_CONS_SCC2) - consdev = "scc2"; -#elif defined (CONFIG_8xx_CONS_SCC3) - consdev = "scc3"; -#endif - - if (argc > 2) { - ulong len; - int i; - - for (i=2, len=0 ; i<argc ; i+=1) - len += strlen (argv[i]) + 1; - cmdline = malloc (len); - - for (i=2, len=0 ; i<argc ; i+=1) { - if (i > 2) - cmdline[len++] = ' '; - strcpy (&cmdline[len], argv[i]); - len += strlen (argv[i]); - } - } else if ((cmdline = getenv("bootargs")) == NULL) { - cmdline = ""; - } - - loader = (void (*)(bd_t *, image_header_t *, char *, char *)) hdr->ih_ep; - - printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n", - (ulong)loader); - - SHOW_BOOT_PROGRESS (15); - - /* - * NetBSD Stage-2 Loader Parameters: - * r3: ptr to board info data - * r4: image address - * r5: console device - * r6: boot args string - */ - (*loader) (gd->bd, img_addr, consdev, cmdline); -} - -#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC) - -/* Function that returns a character from the environment */ -extern uchar (*env_get_char)(int); - -static void -do_bootm_artos (cmd_tbl_t *cmdtp, int flag, - int argc, char *argv[], - ulong addr, - ulong *len_ptr, - int verify) -{ - DECLARE_GLOBAL_DATA_PTR; - ulong top; - char *s, *cmdline; - char **fwenv, **ss; - int i, j, nxt, len, envno, envsz; - bd_t *kbd; - void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top); - image_header_t *hdr = &header; - - /* - * Booting an ARTOS kernel image + application - */ - - /* this used to be the top of memory, but was wrong... */ -#ifdef CONFIG_PPC - /* get stack pointer */ - asm volatile ("mr %0,1" : "=r"(top) ); -#endif - debug ("## Current stack ends at 0x%08lX ", top); - - top -= 2048; /* just to be sure */ - if (top > CFG_BOOTMAPSZ) - top = CFG_BOOTMAPSZ; - top &= ~0xF; - - debug ("=> set upper limit to 0x%08lX\n", top); - - /* first check the artos specific boot args, then the linux args*/ - if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL) - s = ""; - - /* get length of cmdline, and place it */ - len = strlen(s); - top = (top - (len + 1)) & ~0xF; - cmdline = (char *)top; - debug ("## cmdline at 0x%08lX ", top); - strcpy(cmdline, s); - - /* copy bdinfo */ - top = (top - sizeof(bd_t)) & ~0xF; - debug ("## bd at 0x%08lX ", top); - kbd = (bd_t *)top; - memcpy(kbd, gd->bd, sizeof(bd_t)); - - /* first find number of env entries, and their size */ - envno = 0; - envsz = 0; - for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) { - for (nxt = i; env_get_char(nxt) != '\0'; ++nxt) - ; - envno++; - envsz += (nxt - i) + 1; /* plus trailing zero */ - } - envno++; /* plus the terminating zero */ - debug ("## %u envvars total size %u ", envno, envsz); - - top = (top - sizeof(char **)*envno) & ~0xF; - fwenv = (char **)top; - debug ("## fwenv at 0x%08lX ", top); - - top = (top - envsz) & ~0xF; - s = (char *)top; - ss = fwenv; - - /* now copy them */ - for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) { - for (nxt = i; env_get_char(nxt) != '\0'; ++nxt) - ; - *ss++ = s; - for (j = i; j < nxt; ++j) - *s++ = env_get_char(j); - *s++ = '\0'; - } - *ss++ = NULL; /* terminate */ - - entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep); - (*entry)(kbd, cmdline, fwenv, top); -} -#endif - - -#if (CONFIG_COMMANDS & CFG_CMD_BOOTD) -int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -{ - int rcode = 0; -#ifndef CFG_HUSH_PARSER - if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1; -#else - if (parse_string_outer(getenv("bootcmd"), - FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1; -#endif - return rcode; -} - -U_BOOT_CMD( - boot, 1, 1, do_bootd, - "boot - boot default, i.e., run 'bootcmd'\n", - NULL -); - -/* keep old command name "bootd" for backward compatibility */ -U_BOOT_CMD( - bootd, 1, 1, do_bootd, - "bootd - boot default, i.e., run 'bootcmd'\n", - NULL -); - -#endif - -#if (CONFIG_COMMANDS & CFG_CMD_IMI) -int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -{ - int arg; - ulong addr; - int rcode=0; - - if (argc < 2) { - return image_info (load_addr); - } - - for (arg=1; arg <argc; ++arg) { - addr = simple_strtoul(argv[arg], NULL, 16); - if (image_info (addr) != 0) rcode = 1; - } - return rcode; -} - -static int image_info (ulong addr) -{ - ulong data, len, checksum; - image_header_t *hdr = &header; - - printf ("\n## Checking Image at %08lx ...\n", addr); - - /* Copy header so we can blank CRC field for re-calculation */ - memmove (&header, (char *)addr, sizeof(image_header_t)); - - if (ntohl(hdr->ih_magic) != IH_MAGIC) { - puts (" Bad Magic Number\n"); - return 1; - } - - data = (ulong)&header; - len = sizeof(image_header_t); - - checksum = ntohl(hdr->ih_hcrc); - hdr->ih_hcrc = 0; - - if (crc32 (0, (char *)data, len) != checksum) { - puts (" Bad Header Checksum\n"); - return 1; - } - - /* for multi-file images we need the data part, too */ - print_image_hdr ((image_header_t *)addr); - - data = addr + sizeof(image_header_t); - len = ntohl(hdr->ih_size); - - puts (" Verifying Checksum ... "); - if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) { - puts (" Bad Data CRC\n"); - return 1; - } - puts ("OK\n"); - return 0; -} - -U_BOOT_CMD( - iminfo, CFG_MAXARGS, 1, do_iminfo, - "iminfo - print header information for application image\n", - "addr [addr ...]\n" - " - print header information for application image starting at\n" - " address 'addr' in memory; this includes verification of the\n" - " image contents (magic number, header and payload checksums)\n" -); - -#endif /* CFG_CMD_IMI */ - -#if (CONFIG_COMMANDS & CFG_CMD_IMLS) -/*----------------------------------------------------------------------- - * List all images found in flash. - */ -int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -{ - flash_info_t *info; - int i, j; - image_header_t *hdr; - ulong data, len, checksum; - - for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) { - if (info->flash_id == FLASH_UNKNOWN) - goto next_bank; - for (j=0; j<CFG_MAX_FLASH_SECT; ++j) { - - if (!(hdr=(image_header_t *)info->start[j]) || - (ntohl(hdr->ih_magic) != IH_MAGIC)) - goto next_sector; - - /* Copy header so we can blank CRC field for re-calculation */ - memmove (&header, (char *)hdr, sizeof(image_header_t)); - - checksum = ntohl(header.ih_hcrc); - header.ih_hcrc = 0; - - if (crc32 (0, (char *)&header, sizeof(image_header_t)) - != checksum) - goto next_sector; - - printf ("Image at %08lX:\n", (ulong)hdr); - print_image_hdr( hdr ); - - data = (ulong)hdr + sizeof(image_header_t); - len = ntohl(hdr->ih_size); - - puts (" Verifying Checksum ... "); - if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) { - puts (" Bad Data CRC\n"); - } - puts ("OK\n"); -next_sector: ; - } -next_bank: ; - } - - return (0); -} - -U_BOOT_CMD( - imls, 1, 1, do_imls, - "imls - list all images found in flash\n", - "\n" - " - Prints information about all images found at sector\n" - " boundaries in flash.\n" -); -#endif /* CFG_CMD_IMLS */ - -void -print_image_hdr (image_header_t *hdr) -{ -#if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP) - time_t timestamp = (time_t)ntohl(hdr->ih_time); - struct rtc_time tm; -#endif - - printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name); -#if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP) - to_tm (timestamp, &tm); - printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n", - tm.tm_year, tm.tm_mon, tm.tm_mday, - tm.tm_hour, tm.tm_min, tm.tm_sec); -#endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */ - puts (" Image Type: "); print_type(hdr); - printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size)); - print_size (ntohl(hdr->ih_size), "\n"); - printf (" Load Address: %08x\n" - " Entry Point: %08x\n", - ntohl(hdr->ih_load), ntohl(hdr->ih_ep)); - - if (hdr->ih_type == IH_TYPE_MULTI) { - int i; - ulong len; - ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t)); - - puts (" Contents:\n"); - for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) { - printf (" Image %d: %8ld Bytes = ", i, len); - print_size (len, "\n"); - } - } -} - - -static void -print_type (image_header_t *hdr) -{ - char *os, *arch, *type, *comp; - - switch (hdr->ih_os) { - case IH_OS_INVALID: os = "Invalid OS"; break; - case IH_OS_NETBSD: os = "NetBSD"; break; - case IH_OS_LINUX: os = "Linux"; break; - case IH_OS_VXWORKS: os = "VxWorks"; break; - case IH_OS_QNX: os = "QNX"; break; - case IH_OS_U_BOOT: os = "U-Boot"; break; - case IH_OS_RTEMS: os = "RTEMS"; break; -#ifdef CONFIG_ARTOS - case IH_OS_ARTOS: os = "ARTOS"; break; -#endif -#ifdef CONFIG_LYNXKDI - case IH_OS_LYNXOS: os = "LynxOS"; break; -#endif - default: os = "Unknown OS"; break; - } - - switch (hdr->ih_arch) { - case IH_CPU_INVALID: arch = "Invalid CPU"; break; - case IH_CPU_ALPHA: arch = "Alpha"; break; - case IH_CPU_ARM: arch = "ARM"; break; - case IH_CPU_I386: arch = "Intel x86"; break; - case IH_CPU_IA64: arch = "IA64"; break; - case IH_CPU_MIPS: arch = "MIPS"; break; - case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break; - case IH_CPU_PPC: arch = "PowerPC"; break; - case IH_CPU_S390: arch = "IBM S390"; break; - case IH_CPU_SH: arch = "SuperH"; break; - case IH_CPU_SPARC: arch = "SPARC"; break; - case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break; - case IH_CPU_M68K: arch = "M68K"; break; - case IH_CPU_MICROBLAZE: arch = "Microblaze"; break; - case IH_CPU_NIOS: arch = "Nios"; break; - case IH_CPU_NIOS2: arch = "Nios-II"; break; - default: arch = "Unknown Architecture"; break; - } - - switch (hdr->ih_type) { - case IH_TYPE_INVALID: type = "Invalid Image"; break; - case IH_TYPE_STANDALONE:type = "Standalone Program"; break; - case IH_TYPE_KERNEL: type = "Kernel Image"; break; - case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break; - case IH_TYPE_MULTI: type = "Multi-File Image"; break; - case IH_TYPE_FIRMWARE: type = "Firmware"; break; - case IH_TYPE_SCRIPT: type = "Script"; break; - default: type = "Unknown Image"; break; - } - - switch (hdr->ih_comp) { - case IH_COMP_NONE: comp = "uncompressed"; break; - case IH_COMP_GZIP: comp = "gzip compressed"; break; - case IH_COMP_BZIP2: comp = "bzip2 compressed"; break; - default: comp = "unknown compression"; break; - } - - printf ("%s %s %s (%s)", arch, os, type, comp); -} - -#define ZALLOC_ALIGNMENT 16 - -static void *zalloc(void *x, unsigned items, unsigned size) -{ - void *p; - - size *= items; - size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1); - - p = malloc (size); - - return (p); -} - -static void zfree(void *x, void *addr, unsigned nb) -{ - free (addr); -} - -#define HEAD_CRC 2 -#define EXTRA_FIELD 4 -#define ORIG_NAME 8 -#define COMMENT 0x10 -#define RESERVED 0xe0 - -#define DEFLATED 8 - -int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp) -{ - z_stream s; - int r, i, flags; - - /* skip header */ - i = 10; - flags = src[3]; - if (src[2] != DEFLATED || (flags & RESERVED) != 0) { - puts ("Error: Bad gzipped data\n"); - return (-1); - } - if ((flags & EXTRA_FIELD) != 0) - i = 12 + src[10] + (src[11] << 8); - if ((flags & ORIG_NAME) != 0) - while (src[i++] != 0) - ; - if ((flags & COMMENT) != 0) - while (src[i++] != 0) - ; - if ((flags & HEAD_CRC) != 0) - i += 2; - if (i >= *lenp) { - puts ("Error: gunzip out of data in header\n"); - return (-1); - } - - s.zalloc = zalloc; - s.zfree = zfree; -#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) - s.outcb = (cb_func)WATCHDOG_RESET; -#else - s.outcb = Z_NULL; -#endif /* CONFIG_HW_WATCHDOG */ - - r = inflateInit2(&s, -MAX_WBITS); - if (r != Z_OK) { - printf ("Error: inflateInit2() returned %d\n", r); - return (-1); - } - s.next_in = src + i; - s.avail_in = *lenp - i; - s.next_out = dst; - s.avail_out = dstlen; - r = inflate(&s, Z_FINISH); - if (r != Z_OK && r != Z_STREAM_END) { - printf ("Error: inflate() returned %d\n", r); - return (-1); - } - *lenp = s.next_out - (unsigned char *) dst; - inflateEnd(&s); - - return (0); -} - -#ifdef CONFIG_BZIP2 -void bz_internal_error(int errcode) -{ - printf ("BZIP2 internal error %d\n", errcode); -} -#endif /* CONFIG_BZIP2 */ - -static void -do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], - ulong addr, ulong *len_ptr, int verify) -{ - DECLARE_GLOBAL_DATA_PTR; - image_header_t *hdr = &header; - void (*entry_point)(bd_t *); - - entry_point = (void (*)(bd_t *)) hdr->ih_ep; - - printf ("## Transferring control to RTEMS (at address %08lx) ...\n", - (ulong)entry_point); - - SHOW_BOOT_PROGRESS (15); - - /* - * RTEMS Parameters: - * r3: ptr to board info data - */ - - (*entry_point ) ( gd->bd ); -} - -#if (CONFIG_COMMANDS & CFG_CMD_ELF) -static void -do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], - ulong addr, ulong *len_ptr, int verify) -{ - image_header_t *hdr = &header; - char str[80]; - - sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */ - setenv("loadaddr", str); - do_bootvx(cmdtp, 0, 0, NULL); -} - -static void -do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], - ulong addr, ulong *len_ptr, int verify) -{ - image_header_t *hdr = &header; - char *local_args[2]; - char str[16]; - - sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */ - local_args[0] = argv[0]; - local_args[1] = str; /* and provide it via the arguments */ - do_bootelf(cmdtp, 0, 2, local_args); -} -#endif /* CFG_CMD_ELF */ - -#ifdef CONFIG_LYNXKDI -static void -do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag, - int argc, char *argv[], - ulong addr, - ulong *len_ptr, - int verify) -{ - lynxkdi_boot( &header ); -} - -#endif /* CONFIG_LYNXKDI */ |