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authorWolfgang Denk <wd@denx.de>2009-09-02 14:09:54 +0200
committerWolfgang Denk <wd@denx.de>2009-09-02 14:35:53 +0200
commitf9eb92ca31153796e4ba42289c03fd1642c2a74f (patch)
tree01861db1a8c63afc931847a8e5b8616609c8069a /common/cmd_elf.c
parente2756681fa61f761e0505a8db881bd054a330d35 (diff)
downloadu-boot-GPL-Cleanup.tar.gz
License cleanup: remove all files with "All Rights Reserved" notices.GPL-Cleanup
"All Rights Reserved" conflicts with the GPL. Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'common/cmd_elf.c')
-rw-r--r--common/cmd_elf.c323
1 files changed, 0 insertions, 323 deletions
diff --git a/common/cmd_elf.c b/common/cmd_elf.c
deleted file mode 100644
index 63f6fe7a1f..0000000000
--- a/common/cmd_elf.c
+++ /dev/null
@@ -1,323 +0,0 @@
-/*
- * Copyright (c) 2001 William L. Pitts
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are freely
- * permitted provided that the above copyright notice and this
- * paragraph and the following disclaimer are duplicated in all
- * such forms.
- *
- * This software is provided "AS IS" and without any express or
- * implied warranties, including, without limitation, the implied
- * warranties of merchantability and fitness for a particular
- * purpose.
- */
-
-#include <common.h>
-#include <command.h>
-#include <linux/ctype.h>
-#include <net.h>
-#include <elf.h>
-#include <vxworks.h>
-
-#if defined(CONFIG_WALNUT) || defined(CONFIG_SYS_VXWORKS_MAC_PTR)
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
-int valid_elf_image (unsigned long addr);
-unsigned long load_elf_image (unsigned long addr);
-
-/* Allow ports to override the default behavior */
-__attribute__((weak))
-unsigned long do_bootelf_exec (ulong (*entry)(int, char *[]), int argc, char *argv[])
-{
- unsigned long ret;
-
- /*
- * QNX images require the data cache is disabled.
- * Data cache is already flushed, so just turn it off.
- */
- int dcache = dcache_status ();
- if (dcache)
- dcache_disable ();
-
- /*
- * pass address parameter as argv[0] (aka command name),
- * and all remaining args
- */
- ret = entry (argc, argv);
-
- if (dcache)
- dcache_enable ();
-
- return ret;
-}
-
-/* ======================================================================
- * Interpreter command to boot an arbitrary ELF image from memory.
- * ====================================================================== */
-int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- unsigned long addr; /* Address of the ELF image */
- unsigned long rc; /* Return value from user code */
-
- /* -------------------------------------------------- */
- int rcode = 0;
-
- if (argc < 2)
- addr = load_addr;
- else
- addr = simple_strtoul (argv[1], NULL, 16);
-
- if (!valid_elf_image (addr))
- return 1;
-
- addr = load_elf_image (addr);
-
- printf ("## Starting application at 0x%08lx ...\n", addr);
-
- /*
- * pass address parameter as argv[0] (aka command name),
- * and all remaining args
- */
- rc = do_bootelf_exec ((void *)addr, argc - 1, argv + 1);
- if (rc != 0)
- rcode = 1;
-
- printf ("## Application terminated, rc = 0x%lx\n", rc);
- return rcode;
-}
-
-/* ======================================================================
- * Interpreter command to boot VxWorks from a memory image. The image can
- * be either an ELF image or a raw binary. Will attempt to setup the
- * bootline and other parameters correctly.
- * ====================================================================== */
-int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- unsigned long addr; /* Address of image */
- unsigned long bootaddr; /* Address to put the bootline */
- char *bootline; /* Text of the bootline */
- char *tmp; /* Temporary char pointer */
- char build_buf[128]; /* Buffer for building the bootline */
-
- /* ---------------------------------------------------
- *
- * Check the loadaddr variable.
- * If we don't know where the image is then we're done.
- */
-
- if (argc < 2)
- addr = load_addr;
- else
- addr = simple_strtoul (argv[1], NULL, 16);
-
-#if defined(CONFIG_CMD_NET)
- /* Check to see if we need to tftp the image ourselves before starting */
-
- if ((argc == 2) && (strcmp (argv[1], "tftp") == 0)) {
- if (NetLoop (TFTP) <= 0)
- return 1;
- printf ("Automatic boot of VxWorks image at address 0x%08lx ... \n",
- addr);
- }
-#endif
-
- /* This should equate
- * to NV_RAM_ADRS + NV_BOOT_OFFSET + NV_ENET_OFFSET
- * from the VxWorks BSP header files.
- * This will vary from board to board
- */
-
-#if defined(CONFIG_WALNUT)
- tmp = (char *) CONFIG_SYS_NVRAM_BASE_ADDR + 0x500;
- eth_getenv_enetaddr("ethaddr", (uchar *)build_buf);
- memcpy(tmp, &build_buf[3], 3);
-#elif defined(CONFIG_SYS_VXWORKS_MAC_PTR)
- tmp = (char *) CONFIG_SYS_VXWORKS_MAC_PTR;
- eth_getenv_enetaddr("ethaddr", (uchar *)build_buf);
- memcpy(tmp, build_buf, 6);
-#else
- puts ("## Ethernet MAC address not copied to NV RAM\n");
-#endif
-
- /*
- * Use bootaddr to find the location in memory that VxWorks
- * will look for the bootline string. The default value for
- * PowerPC is LOCAL_MEM_LOCAL_ADRS + BOOT_LINE_OFFSET which
- * defaults to 0x4200
- */
-
- if ((tmp = getenv ("bootaddr")) == NULL)
- bootaddr = CONFIG_SYS_VXWORKS_BOOT_ADDR;
- else
- bootaddr = simple_strtoul (tmp, NULL, 16);
-
- /*
- * Check to see if the bootline is defined in the 'bootargs'
- * parameter. If it is not defined, we may be able to
- * construct the info
- */
-
- if ((bootline = getenv ("bootargs")) != NULL) {
- memcpy ((void *) bootaddr, bootline,
- max (strlen (bootline), 255));
- flush_cache (bootaddr, max (strlen (bootline), 255));
- } else {
-
-
- sprintf (build_buf, CONFIG_SYS_VXWORKS_BOOT_DEVICE);
- if ((tmp = getenv ("bootfile")) != NULL) {
- sprintf (&build_buf[strlen (build_buf)],
- "%s:%s ", CONFIG_SYS_VXWORKS_SERVERNAME, tmp);
- } else {
- sprintf (&build_buf[strlen (build_buf)],
- "%s:file ", CONFIG_SYS_VXWORKS_SERVERNAME);
- }
-
- if ((tmp = getenv ("ipaddr")) != NULL) {
- sprintf (&build_buf[strlen (build_buf)], "e=%s ", tmp);
- }
-
- if ((tmp = getenv ("serverip")) != NULL) {
- sprintf (&build_buf[strlen (build_buf)], "h=%s ", tmp);
- }
-
- if ((tmp = getenv ("hostname")) != NULL) {
- sprintf (&build_buf[strlen (build_buf)], "tn=%s ", tmp);
- }
-#ifdef CONFIG_SYS_VXWORKS_ADD_PARAMS
- sprintf (&build_buf[strlen (build_buf)],
- CONFIG_SYS_VXWORKS_ADD_PARAMS);
-#endif
-
- memcpy ((void *) bootaddr, build_buf,
- max (strlen (build_buf), 255));
- flush_cache (bootaddr, max (strlen (build_buf), 255));
- }
-
- /*
- * If the data at the load address is an elf image, then
- * treat it like an elf image. Otherwise, assume that it is a
- * binary image
- */
-
- if (valid_elf_image (addr)) {
- addr = load_elf_image (addr);
- } else {
- puts ("## Not an ELF image, assuming binary\n");
- /* leave addr as load_addr */
- }
-
- printf ("## Using bootline (@ 0x%lx): %s\n", bootaddr,
- (char *) bootaddr);
- printf ("## Starting vxWorks at 0x%08lx ...\n", addr);
-
- ((void (*)(void)) addr) ();
-
- puts ("## vxWorks terminated\n");
- return 1;
-}
-
-/* ======================================================================
- * Determine if a valid ELF image exists at the given memory location.
- * First looks at the ELF header magic field, the makes sure that it is
- * executable and makes sure that it is for a PowerPC.
- * ====================================================================== */
-int valid_elf_image (unsigned long addr)
-{
- Elf32_Ehdr *ehdr; /* Elf header structure pointer */
-
- /* -------------------------------------------------- */
-
- ehdr = (Elf32_Ehdr *) addr;
-
- if (!IS_ELF (*ehdr)) {
- printf ("## No elf image at address 0x%08lx\n", addr);
- return 0;
- }
-
- if (ehdr->e_type != ET_EXEC) {
- printf ("## Not a 32-bit elf image at address 0x%08lx\n", addr);
- return 0;
- }
-
-#if 0
- if (ehdr->e_machine != EM_PPC) {
- printf ("## Not a PowerPC elf image at address 0x%08lx\n",
- addr);
- return 0;
- }
-#endif
-
- return 1;
-}
-
-/* ======================================================================
- * A very simple elf loader, assumes the image is valid, returns the
- * entry point address.
- * ====================================================================== */
-unsigned long load_elf_image (unsigned long addr)
-{
- Elf32_Ehdr *ehdr; /* Elf header structure pointer */
- Elf32_Shdr *shdr; /* Section header structure pointer */
- unsigned char *strtab = 0; /* String table pointer */
- unsigned char *image; /* Binary image pointer */
- int i; /* Loop counter */
-
- /* -------------------------------------------------- */
-
- ehdr = (Elf32_Ehdr *) addr;
-
- /* Find the section header string table for output info */
- shdr = (Elf32_Shdr *) (addr + ehdr->e_shoff +
- (ehdr->e_shstrndx * sizeof (Elf32_Shdr)));
-
- if (shdr->sh_type == SHT_STRTAB)
- strtab = (unsigned char *) (addr + shdr->sh_offset);
-
- /* Load each appropriate section */
- for (i = 0; i < ehdr->e_shnum; ++i) {
- shdr = (Elf32_Shdr *) (addr + ehdr->e_shoff +
- (i * sizeof (Elf32_Shdr)));
-
- if (!(shdr->sh_flags & SHF_ALLOC)
- || shdr->sh_addr == 0 || shdr->sh_size == 0) {
- continue;
- }
-
- if (strtab) {
- debug("%sing %s @ 0x%08lx (%ld bytes)\n",
- (shdr->sh_type == SHT_NOBITS) ?
- "Clear" : "Load",
- &strtab[shdr->sh_name],
- (unsigned long) shdr->sh_addr,
- (long) shdr->sh_size);
- }
-
- if (shdr->sh_type == SHT_NOBITS) {
- memset ((void *)shdr->sh_addr, 0, shdr->sh_size);
- } else {
- image = (unsigned char *) addr + shdr->sh_offset;
- memcpy ((void *) shdr->sh_addr,
- (const void *) image,
- shdr->sh_size);
- }
- flush_cache (shdr->sh_addr, shdr->sh_size);
- }
-
- return ehdr->e_entry;
-}
-
-/* ====================================================================== */
-U_BOOT_CMD(
- bootelf, 2, 0, do_bootelf,
- "Boot from an ELF image in memory",
- " [address] - load address of ELF image."
-);
-
-U_BOOT_CMD(
- bootvx, 2, 0, do_bootvx,
- "Boot vxWorks from an ELF image",
- " [address] - load address of vxWorks ELF image."
-);