Add support for retrieving ramdisk address and size from Android boot images. This command allows users to extract the ramdisk information for boot image v3+ which combines vendor ramdisk, boot ramdisk and bootconfig sections.
Reviewed-by: Mattijs Korpershoek <[email protected]> Reviewed-by: Simon Glass <[email protected]> Signed-off-by: Guillaume La Roque (TI.com) <[email protected]> --- cmd/abootimg.c | 35 ++++++++++++++++++++++++++++++++++- 1 file changed, 34 insertions(+), 1 deletion(-) diff --git a/cmd/abootimg.c b/cmd/abootimg.c index 6fb52153786..2a8e2c20941 100644 --- a/cmd/abootimg.c +++ b/cmd/abootimg.c @@ -230,6 +230,33 @@ static int do_abootimg_addr(struct cmd_tbl *cmdtp, int flag, int argc, return CMD_RET_SUCCESS; } +static int abootimg_get_ramdisk(int argc, char *const argv[]) +{ + ulong rd_data, rd_len; + + if (argc > 2) + return CMD_RET_USAGE; + + /* + * Call android_image_get_ramdisk with UNMAPPED addresses + * The function will do its own mapping internally as needed + */ + if (android_image_get_ramdisk((void *)abootimg_addr(), + (void *)get_avendor_bootimg_addr(), + &rd_data, &rd_len)) + return CMD_RET_FAILURE; + + if (argc == 0) { + printf("%lx\n", rd_data); + } else { + env_set_hex(argv[0], rd_data); + if (argc == 2) + env_set_hex(argv[1], rd_len); + } + + return CMD_RET_SUCCESS; +} + static int do_abootimg_get(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { @@ -249,6 +276,8 @@ static int do_abootimg_get(struct cmd_tbl *cmdtp, int flag, int argc, return abootimg_get_dtb_load_addr(argc, argv); else if (!strcmp(param, "dtb")) return abootimg_get_dtb(argc, argv); + else if (!strcmp(param, "ramdisk")) + return abootimg_get_ramdisk(argc, argv); return CMD_RET_USAGE; } @@ -315,5 +344,9 @@ U_BOOT_CMD( " - get address and size (hex) of DT blob in the image by index\n" " <num>: index number of desired DT blob in DTB area\n" " [addr_var]: variable name to contain DT blob address\n" - " [size_var]: variable name to contain DT blob size" + " [size_var]: variable name to contain DT blob size\n" + "abootimg get ramdisk [addr_var [size_var]]\n" + " - get address and size (hex) of ramdisk in the image\n" + " [addr_var]: variable name to contain ramdisk address\n" + " [size_var]: variable name to contain ramdisk size" ); -- 2.34.1
