diff options
| -rw-r--r-- | common/cmd_elf.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/common/cmd_elf.c b/common/cmd_elf.c index 4683554..62e5e76 100644 --- a/common/cmd_elf.c +++ b/common/cmd_elf.c @@ -27,23 +27,34 @@ DECLARE_GLOBAL_DATA_PTR; #define MAX(a,b) ((a) > (b) ? (a) : (b)) #endif -static inline void bootelf_setup(int argc, char *argv[]) +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. */ - if (dcache_status ()) + int dcache = dcache_status (); + if (dcache) dcache_disable (); -#ifdef CONFIG_BLACKFIN - if (icache_status ()) - icache_disable (); -#endif -} + /* + * pass address parameter as argv[0] (aka command name), + * and all remaining args + */ + ret = entry (argc, argv); -int valid_elf_image (unsigned long addr); -unsigned long load_elf_image (unsigned long addr); + if (dcache) + dcache_enable (); + + return ret; +} /* ====================================================================== * Interpreter command to boot an arbitrary ELF image from memory. @@ -68,13 +79,11 @@ int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) printf ("## Starting application at 0x%08lx ...\n", addr); - bootelf_setup(argc, argv); - /* * pass address parameter as argv[0] (aka command name), * and all remaining args */ - rc = ((ulong (*)(int, char *[])) addr) (--argc, &argv[1]); + rc = do_bootelf_exec ((void *)addr, argc - 1, argv + 1); if (rc != 0) rcode = 1; |