spl: spl_relocate_stack_gd: Do not unnecessarily clear bss

[J-u-boot.git] / common / cmd_elf.c

diff --git a/common/cmd_elf.c b/common/cmd_elf.c
index ab9c7e332d97b200109e09e464b0fb786ac967c6..22475dc3cbff63247609f9acdc5f802d6380f7bd 100644 (file)
--- a/common/cmd_elf.c
+++ b/common/cmd_elf.c
@@ -14,6 +14,7 @@
  */
 
 #include <common.h>
+#include <bootm.h>
 #include <command.h>
 #include <linux/ctype.h>
 #include <net.h>
@@ -28,8 +29,7 @@ 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 * const[]),
+static unsigned long do_bootelf_exec(ulong (*entry)(int, char * const[]),
                               int argc, char * const argv[])
 {
        unsigned long ret;
@@ -95,6 +95,7 @@ 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;
+       const char *ep = getenv("autostart");
 
        /* -------------------------------------------------- */
        int rcode = 0;
@@ -123,6 +124,9 @@ int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
        else
                addr = load_elf_image_shdr(addr);
 
+       if (ep && !strcmp(ep, "no"))
+               return rcode;
+
        printf("## Starting application at 0x%08lx ...\n", addr);
 
        /*
@@ -166,7 +170,7 @@ int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
         * Check to see if we need to tftp the image ourselves before starting
         */
        if ((argc == 2) && (strcmp(argv[1], "tftp") == 0)) {
-               if (NetLoop(TFTPGET) <= 0)
+               if (net_loop(TFTPGET) <= 0)
                        return 1;
                printf("Automatic boot of VxWorks image at address 0x%08lx ...\n",
                        addr);
@@ -210,9 +214,9 @@ int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
         */
        bootline = getenv("bootargs");
        if (bootline) {
-               memcpy((void *) bootaddr, bootline,
-                       max(strlen(bootline), 255));
-               flush_cache(bootaddr, max(strlen(bootline), 255));
+               memcpy((void *)bootaddr, bootline,
+                      max(strlen(bootline), (size_t)255));
+               flush_cache(bootaddr, max(strlen(bootline), (size_t)255));
        } else {
                sprintf(build_buf, CONFIG_SYS_VXWORKS_BOOT_DEVICE);
                tmp = getenv("bootfile");
@@ -240,9 +244,9 @@ int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
                         CONFIG_SYS_VXWORKS_ADD_PARAMS);
 #endif
 
-               memcpy((void *) bootaddr, build_buf,
-                       max(strlen(build_buf), 255));
-               flush_cache(bootaddr, max(strlen(build_buf), 255));
+               memcpy((void *)bootaddr, build_buf,
+                      max(strlen(build_buf), (size_t)255));
+               flush_cache(bootaddr, max(strlen(build_buf), (size_t)255));
        }
 
        /*