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ARM: Add a bootz command 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2009-02-06 14:30:34 +01:00
parent 8d62c1f629
commit 8b59688e1c
1 changed files with 49 additions and 0 deletions
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49
arch/arm/lib/armlinux.c
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@ -29,6 +29,7 @@
#include <image.h>
#include <zlib.h>
#include <init.h>
#include <fs.h>
#include <asm/byteorder.h>
#include <asm/global_data.h>
@ -340,3 +341,51 @@ __setup_end_tag (void)
params->hdr.size = 0;
}
static int do_bootz(cmd_tbl_t *cmdtp, int argc, char *argv[])
{
void (*theKernel)(int zero, int arch, void *params);
const char *commandline = getenv("bootargs");
size_t size;
if (argc != 2) {
u_boot_cmd_usage(cmdtp);
return 1;
}
theKernel = read_file(argv[1], &size);
if (!theKernel) {
printf("could not read %s\n", argv[1]);
return 1;
}
printf("loaded zImage from %s with size %d\n", argv[1], size);
setup_start_tag();
setup_serial_tag(&params);
setup_revision_tag(&params);
setup_memory_tags();
setup_commandline_tag(commandline);
#if 0
if (initrd_start && initrd_end)
setup_initrd_tag (initrd_start, initrd_end);
#endif
setup_videolfb_tag((gd_t *) gd);
setup_end_tag();
cleanup_before_linux();
theKernel (0, armlinux_architecture, armlinux_bootparams);
return 0;
}
static const __maybe_unused char cmd_ls_help[] =
"Usage: bootz [FILE]\n"
"Boot a Linux zImage\n";
U_BOOT_CMD_START(bootz)
.maxargs = 2,
.cmd = do_bootz,
.usage = "bootz - start a zImage",
U_BOOT_CMD_END