X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=common%2Fcmd_elf.c;h=8266bba0e6935063263e4db3bb8c983316be5731;hb=2fb563f2f52d3e4c59c8f0c0309ea6a65c558878;hp=4a3fff1e8609e02a5ab7bd6c7b0325aaae4d11ed;hpb=8206bfae3ab7f99965136384360ba2de0c6f4c3b;p=karo-tx-uboot.git

diff --git a/common/cmd_elf.c b/common/cmd_elf.c
index 4a3fff1e86..8266bba0e6 100644
--- a/common/cmd_elf.c
+++ b/common/cmd_elf.c
@@ -25,11 +25,13 @@ DECLARE_GLOBAL_DATA_PTR;
 #endif
 
 int valid_elf_image (unsigned long addr);
-unsigned long load_elf_image (unsigned long addr);
+static unsigned long load_elf_image_phdr(unsigned long addr);
+static unsigned long load_elf_image_shdr(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 do_bootelf_exec (ulong (*entry)(int, char * const[]),
+			       int argc, char * const argv[])
 {
 	unsigned long ret;
 
@@ -56,23 +58,38 @@ unsigned long do_bootelf_exec (ulong (*entry)(int, char *[]), int argc, char *ar
 /* ======================================================================
  * Interpreter command to boot an arbitrary ELF image from memory.
  * ====================================================================== */
-int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	unsigned long addr;		/* Address of the ELF image     */
 	unsigned long rc;		/* Return value from user code  */
+	char *sload, *saddr;
 
 	/* -------------------------------------------------- */
 	int rcode = 0;
 
-	if (argc < 2)
-		addr = load_addr;
+	sload = saddr = NULL;
+	if (argc == 3) {
+		sload = argv[1];
+		saddr = argv[2];
+	} else if (argc == 2) {
+		if (argv[1][0] == '-')
+			sload = argv[1];
+		else
+			saddr = argv[1];
+	}
+
+	if (saddr)
+		addr = simple_strtoul(saddr, NULL, 16);
 	else
-		addr = simple_strtoul (argv[1], NULL, 16);
+		addr = load_addr;
 
 	if (!valid_elf_image (addr))
 		return 1;
 
-	addr = load_elf_image (addr);
+	if (sload && sload[1] == 'p')
+		addr = load_elf_image_phdr(addr);
+	else
+		addr = load_elf_image_shdr(addr);
 
 	printf ("## Starting application at 0x%08lx ...\n", addr);
 
@@ -93,7 +110,7 @@ int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  * 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[])
+int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	unsigned long addr;		/* Address of image            */
 	unsigned long bootaddr;		/* Address to put the bootline */
@@ -116,10 +133,10 @@ int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	/* 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)
+		if (NetLoop(TFTPGET) <= 0)
 			return 1;
-		printf ("Automatic boot of VxWorks image at address 0x%08lx ... \n",
-		     addr);
+		printf("Automatic boot of VxWorks image at address 0x%08lx "
+			"...\n", addr);
 	}
 #endif
 
@@ -131,11 +148,11 @@ int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 
 #if defined(CONFIG_WALNUT)
 	tmp = (char *) CONFIG_SYS_NVRAM_BASE_ADDR + 0x500;
-	eth_getenv_enetaddr("ethaddr", build_buf);
+	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", build_buf);
+	eth_getenv_enetaddr("ethaddr", (uchar *)build_buf);
 	memcpy(tmp, build_buf, 6);
 #else
 	puts ("## Ethernet MAC address not copied to NV RAM\n");
@@ -203,7 +220,7 @@ int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	 */
 
 	if (valid_elf_image (addr)) {
-		addr = load_elf_image (addr);
+		addr = load_elf_image_shdr (addr);
 	} else {
 		puts ("## Not an ELF image, assuming binary\n");
 		/* leave addr as load_addr */
@@ -213,7 +230,8 @@ int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 			(char *) bootaddr);
 	printf ("## Starting vxWorks at 0x%08lx ...\n", addr);
 
-	((void (*)(void)) addr) ();
+	dcache_disable();
+	((void (*)(int)) addr) (0);
 
 	puts ("## vxWorks terminated\n");
 	return 1;
@@ -257,7 +275,33 @@ int valid_elf_image (unsigned long addr)
  * A very simple elf loader, assumes the image is valid, returns the
  * entry point address.
  * ====================================================================== */
-unsigned long load_elf_image (unsigned long addr)
+static unsigned long load_elf_image_phdr(unsigned long addr)
+{
+	Elf32_Ehdr *ehdr;		/* Elf header structure pointer     */
+	Elf32_Phdr *phdr;		/* Program header structure pointer */
+	int i;
+
+	ehdr = (Elf32_Ehdr *) addr;
+	phdr = (Elf32_Phdr *) (addr + ehdr->e_phoff);
+
+	/* Load each program header */
+	for (i = 0; i < ehdr->e_phnum; ++i) {
+		void *dst = (void *) phdr->p_paddr;
+		void *src = (void *) addr + phdr->p_offset;
+		debug("Loading phdr %i to 0x%p (%i bytes)\n",
+			i, dst, phdr->p_filesz);
+		if (phdr->p_filesz)
+			memcpy(dst, src, phdr->p_filesz);
+		if (phdr->p_filesz != phdr->p_memsz)
+			memset(dst + phdr->p_filesz, 0x00, phdr->p_memsz - phdr->p_filesz);
+		flush_cache((unsigned long)dst, phdr->p_filesz);
+		++phdr;
+	}
+
+	return ehdr->e_entry;
+}
+
+static unsigned long load_elf_image_shdr(unsigned long addr)
 {
 	Elf32_Ehdr *ehdr;		/* Elf header structure pointer     */
 	Elf32_Shdr *shdr;		/* Section header structure pointer */
@@ -287,7 +331,7 @@ unsigned long load_elf_image (unsigned long addr)
 		}
 
 		if (strtab) {
-			printf ("%sing %s @ 0x%08lx (%ld bytes)\n",
+			debug("%sing %s @ 0x%08lx (%ld bytes)\n",
 				(shdr->sh_type == SHT_NOBITS) ?
 					"Clear" : "Load",
 				&strtab[shdr->sh_name],
@@ -311,13 +355,15 @@ unsigned long load_elf_image (unsigned long addr)
 
 /* ====================================================================== */
 U_BOOT_CMD(
-	bootelf,      2,      0,      do_bootelf,
+	bootelf,      3,      0,      do_bootelf,
 	"Boot from an ELF image in memory",
-	" [address] - load address of ELF image.\n"
+	"[-p|-s] [address]\n"
+	"\t- load ELF image at [address] via program headers (-p)\n"
+	"\t  or via section headers (-s)"
 );
 
 U_BOOT_CMD(
 	bootvx,      2,      0,      do_bootvx,
 	"Boot vxWorks from an ELF image",
-	" [address] - load address of vxWorks ELF image.\n"
+	" [address] - load address of vxWorks ELF image."
 );