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| author | Marek Vasut <marek.vasut@gmail.com> | 2012-03-18 11:47:58 +0000 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2012-03-30 23:00:47 +0200 |
| commit | 017e1f3f9fc8745cc12bbd924b0cbc4d6ee5dbf8 (patch) | |
| tree | 7c44cb0303a56be05468b3a4960b5e1eced117b0 | |
| parent | 44f074c771c4b70d250b0d7ed2f7513488c678bb (diff) | |
| download | u-boot-imx-017e1f3f9fc8745cc12bbd924b0cbc4d6ee5dbf8.zip u-boot-imx-017e1f3f9fc8745cc12bbd924b0cbc4d6ee5dbf8.tar.gz u-boot-imx-017e1f3f9fc8745cc12bbd924b0cbc4d6ee5dbf8.tar.bz2 | |
BOOT: Add RAW ramdisk support to bootz
This patch allows loading RAW ramdisk via bootz command. The raw ramdisk is
loaded only in case it's size is specified:
bootz <kernel addr> <ramdisk addr>:<ramdisk size> <fdt addr>
For example:
bootz 0x42000000 0x43000000:0x12345 0x44000000
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Tom Warren <TWarren@nvidia.com>
Cc: albert.u.boot@aribaud.net
Cc: afleming@gmail.com
Cc: Simon Glass <sjg@chromium.org>
Cc: Stephen Warren <swarren@nvidia.com>
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Detlev Zundel <dzu@denx.de>
| -rw-r--r-- | README | 5 | ||||
| -rw-r--r-- | common/cmd_bootm.c | 6 | ||||
| -rw-r--r-- | common/image.c | 15 |
3 files changed, 21 insertions, 5 deletions
@@ -4437,6 +4437,11 @@ On some platforms, it's possible to boot Linux zImage. This is done using the "bootz" command. The syntax of "bootz" command is the same as the syntax of "bootm" command. +Note, defining the CONFIG_SUPPORT_INITRD_RAW allows user to supply +kernel with raw initrd images. The syntax is slightly different, the +address of the initrd must be augmented by it's size, in the following +format: "<initrd addres>:<initrd size>". + Standalone HOWTO: ================= diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index 5e5d572..9ad2535 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -1629,9 +1629,11 @@ static int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) U_BOOT_CMD( bootz, CONFIG_SYS_MAXARGS, 1, do_bootz, "boot Linux zImage image from memory", - "[addr [initrd] [fdt]]\n - boot Linux zImage stored in memory\n" + "[addr [initrd[:size]] [fdt]]\n" + " - boot Linux zImage stored in memory\n" "\tThe argument 'initrd' is optional and specifies the address\n" - "\tof the initrd in memory.\n" + "\tof the initrd in memory. The optional argument ':size' allows\n" + "\tspecifying the size of RAW initrd.\n" #if defined(CONFIG_OF_LIBFDT) "\tWhen booting a Linux kernel which requires a flat device-tree\n" "\ta third argument is required which is the address of the\n" diff --git a/common/image.c b/common/image.c index 8c644b7..103e0e6 100644 --- a/common/image.c +++ b/common/image.c @@ -797,6 +797,7 @@ int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, ulong rd_addr, rd_load; ulong rd_data, rd_len; const image_header_t *rd_hdr; + char *end; #if defined(CONFIG_FIT) void *fit_hdr; const char *fit_uname_config = NULL; @@ -994,9 +995,17 @@ int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, break; #endif default: - puts("Wrong Ramdisk Image Format\n"); - rd_data = rd_len = rd_load = 0; - return 1; +#ifdef CONFIG_SUPPORT_RAW_INITRD + if (argc >= 3 && (end = strchr(argv[2], ':'))) { + rd_len = simple_strtoul(++end, NULL, 16); + rd_data = rd_addr; + } else +#endif + { + puts("Wrong Ramdisk Image Format\n"); + rd_data = rd_len = rd_load = 0; + return 1; + } } } else if (images->legacy_hdr_valid && image_check_type(&images->legacy_hdr_os_copy, |