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-rw-r--r--common/cmd_bootm.c44
-rw-r--r--common/image-fdt.c13
-rw-r--r--common/image.c22
3 files changed, 48 insertions, 31 deletions
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index e452fca..6a6241d 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -104,9 +104,18 @@ static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
* - verified image architecture (PPC) and type (KERNEL or MULTI),
* - loaded (first part of) image to header load address,
* - disabled interrupts.
+ *
+ * @flag: Command flags (CMD_FLAG_...)
+ * @argc: Number of arguments. Note that the arguments are shifted down
+ * so that 0 is the first argument not processed by U-Boot, and
+ * argc is adjusted accordingly. This avoids confusion as to how
+ * many arguments are available for the OS.
+ * @images: Pointers to os/initrd/fdt
+ * @return 1 on error. On success the OS boots so this function does
+ * not return.
*/
typedef int boot_os_fn(int flag, int argc, char * const argv[],
- bootm_headers_t *images); /* pointers to os/initrd/fdt */
+ bootm_headers_t *images);
#ifdef CONFIG_BOOTM_LINUX
extern boot_os_fn do_bootm_linux;
@@ -457,7 +466,7 @@ static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
return 0;
}
appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
- (*appl)(argc-1, &argv[1]);
+ (*appl)(argc, argv);
return 0;
}
@@ -486,17 +495,15 @@ static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
cmd_tbl_t *c;
boot_os_fn *boot_fn;
- c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
+ c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
+ argc--; argv++;
if (c) {
state = (long)c->cmd;
/* treat start special since it resets the state machine */
- if (state == BOOTM_STATE_START) {
- argc--;
- argv++;
+ if (state == BOOTM_STATE_START)
return bootm_start(cmdtp, flag, argc, argv);
- }
} else {
/* Unrecognized command */
return CMD_RET_USAGE;
@@ -611,11 +618,12 @@ int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
#endif
/* determine if we have a sub command */
- if (argc > 1) {
+ argc--; argv++;
+ if (argc > 0) {
char *endp;
- simple_strtoul(argv[1], &endp, 16);
- /* endp pointing to NULL means that argv[1] was just a
+ simple_strtoul(argv[0], &endp, 16);
+ /* endp pointing to NULL means that argv[0] was just a
* valid number, pass it along to the normal bootm processing
*
* If endp is ':' or '#' assume a FIT identifier so pass
@@ -816,22 +824,22 @@ static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
#endif
/* find out kernel image address */
- if (argc < 2) {
+ if (argc < 1) {
img_addr = load_addr;
debug("* kernel: default image load address = 0x%08lx\n",
load_addr);
#if defined(CONFIG_FIT)
- } else if (fit_parse_conf(argv[1], load_addr, &img_addr,
+ } else if (fit_parse_conf(argv[0], load_addr, &img_addr,
&fit_uname_config)) {
debug("* kernel: config '%s' from image at 0x%08lx\n",
fit_uname_config, img_addr);
- } else if (fit_parse_subimage(argv[1], load_addr, &img_addr,
+ } else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
&fit_uname_kernel)) {
debug("* kernel: subimage '%s' from image at 0x%08lx\n",
fit_uname_kernel, img_addr);
#endif
} else {
- img_addr = simple_strtoul(argv[1], NULL, 16);
+ img_addr = simple_strtoul(argv[0], NULL, 16);
debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
}
@@ -1401,16 +1409,16 @@ static int do_bootm_netbsd(int flag, int argc, char * const argv[],
consdev = "scc3";
#endif
- if (argc > 2) {
+ if (argc > 0) {
ulong len;
int i;
- for (i = 2, len = 0; i < argc; i += 1)
+ for (i = 0, len = 0; i < argc; i += 1)
len += strlen(argv[i]) + 1;
cmdline = malloc(len);
- for (i = 2, len = 0; i < argc; i += 1) {
- if (i > 2)
+ for (i = 0, len = 0; i < argc; i += 1) {
+ if (i > 0)
cmdline[len++] = ' ';
strcpy(&cmdline[len], argv[i]);
len += strlen(argv[i]);
diff --git a/common/image-fdt.c b/common/image-fdt.c
index 0d421d9..d99f444 100644
--- a/common/image-fdt.c
+++ b/common/image-fdt.c
@@ -248,13 +248,16 @@ int boot_get_fdt(int flag, int argc, char * const argv[], uint8_t arch,
ulong default_addr;
int fdt_noffset;
#endif
+ const char *select = NULL;
*of_flat_tree = NULL;
*of_size = 0;
- if (argc > 3 || genimg_has_config(images)) {
+ if (argc > 2)
+ select = argv[2];
+ if (select || genimg_has_config(images)) {
#if defined(CONFIG_FIT)
- if (argc > 3) {
+ if (select) {
/*
* If the FDT blob comes from the FIT image and the
* FIT image address is omitted in the command line
@@ -268,18 +271,18 @@ int boot_get_fdt(int flag, int argc, char * const argv[], uint8_t arch,
else
default_addr = load_addr;
- if (fit_parse_conf(argv[3], default_addr,
+ if (fit_parse_conf(select, default_addr,
&fdt_addr, &fit_uname_config)) {
debug("* fdt: config '%s' from image at 0x%08lx\n",
fit_uname_config, fdt_addr);
- } else if (fit_parse_subimage(argv[3], default_addr,
+ } else if (fit_parse_subimage(select, default_addr,
&fdt_addr, &fit_uname_fdt)) {
debug("* fdt: subimage '%s' from image at 0x%08lx\n",
fit_uname_fdt, fdt_addr);
} else
#endif
{
- fdt_addr = simple_strtoul(argv[3], NULL, 16);
+ fdt_addr = simple_strtoul(select, NULL, 16);
debug("* fdt: cmdline image address = 0x%08lx\n",
fdt_addr);
}
diff --git a/common/image.c b/common/image.c
index f863502..1be384f 100644
--- a/common/image.c
+++ b/common/image.c
@@ -816,20 +816,23 @@ int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
ulong default_addr;
int rd_noffset;
#endif
+ const char *select = NULL;
*rd_start = 0;
*rd_end = 0;
+ if (argc >= 2)
+ select = argv[1];
/*
* Look for a '-' which indicates to ignore the
* ramdisk argument
*/
- if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) {
+ if (select && strcmp(select, "-") == 0) {
debug("## Skipping init Ramdisk\n");
rd_len = rd_data = 0;
- } else if (argc >= 3 || genimg_has_config(images)) {
+ } else if (select || genimg_has_config(images)) {
#if defined(CONFIG_FIT)
- if (argc >= 3) {
+ if (select) {
/*
* If the init ramdisk comes from the FIT image and
* the FIT image address is omitted in the command
@@ -841,12 +844,12 @@ int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
else
default_addr = load_addr;
- if (fit_parse_conf(argv[2], default_addr,
- &rd_addr, &fit_uname_config)) {
+ if (fit_parse_conf(select, default_addr,
+ &rd_addr, &fit_uname_config)) {
debug("* ramdisk: config '%s' from image at "
"0x%08lx\n",
fit_uname_config, rd_addr);
- } else if (fit_parse_subimage(argv[2], default_addr,
+ } else if (fit_parse_subimage(select, default_addr,
&rd_addr, &fit_uname_ramdisk)) {
debug("* ramdisk: subimage '%s' from image at "
"0x%08lx\n",
@@ -854,7 +857,7 @@ int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
} else
#endif
{
- rd_addr = simple_strtoul(argv[2], NULL, 16);
+ rd_addr = simple_strtoul(select, NULL, 16);
debug("* ramdisk: cmdline image address = "
"0x%08lx\n",
rd_addr);
@@ -918,7 +921,10 @@ int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
#endif
default:
#ifdef CONFIG_SUPPORT_RAW_INITRD
- if (argc >= 3 && (end = strchr(argv[2], ':'))) {
+ end = NULL;
+ if (select)
+ end = strchr(select, ':');
+ if (end) {
rd_len = simple_strtoul(++end, NULL, 16);
rd_data = rd_addr;
} else
generated by cgit v0.10.2 at 2024-11-19 19:43:39 (GMT)