diff options
Diffstat (limited to 'common/cmd_elf.c')
| -rw-r--r-- | common/cmd_elf.c | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/common/cmd_elf.c b/common/cmd_elf.c index 2eb7453..62e5e76 100644 --- a/common/cmd_elf.c +++ b/common/cmd_elf.c @@ -30,6 +30,32 @@ DECLARE_GLOBAL_DATA_PTR; 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. * ====================================================================== */ @@ -54,17 +80,10 @@ int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) printf ("## Starting application at 0x%08lx ...\n", addr); /* - * QNX images require the data cache is disabled. - * Data cache is already flushed, so just turn it off. - */ - if (dcache_status ()) - dcache_disable (); - - /* * 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; |