diff options
Diffstat (limited to 'libre/uboot4extlinux-sunxi/0001-Add-tool-to-dump-sunxi-images.patch')
| -rw-r--r-- | libre/uboot4extlinux-sunxi/0001-Add-tool-to-dump-sunxi-images.patch | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/libre/uboot4extlinux-sunxi/0001-Add-tool-to-dump-sunxi-images.patch b/libre/uboot4extlinux-sunxi/0001-Add-tool-to-dump-sunxi-images.patch new file mode 100644 index 000000000..ee89767f2 --- /dev/null +++ b/libre/uboot4extlinux-sunxi/0001-Add-tool-to-dump-sunxi-images.patch @@ -0,0 +1,85 @@ +From b4e67c5112b8d8ec8f9255af057c3515c5ea71c1 Mon Sep 17 00:00:00 2001 +From: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org> +Date: Sat, 29 May 2021 19:14:22 +0200 +Subject: [PATCH] Add tool to dump sunxi images + + $./tools/dumpimage -l ~/work/temp/lime1.img + Allwinner eGON image, size: 24576 bytes + SPL header version 0.2 + DT name: sun7i-a20-olinuxino-lime2-emmc + $ ./tools/dumpimage -l ~/work/temp/parabola.img + Allwinner eGON image, size: 24576 bytes + SPL header version 0.2 + DT name: sun7i-a20-olinuxino-lime2-emmc + +TODO: +- why do we have the lime2 dt detected above? is the + env a leftover from the previous image somehow? +- Handle block devices: + $ sudo ./tools/dumpimage -l /dev/sdb + Image Type: MVEBU Boot from (null) Image + Image version:0 + Data Size: -4 Bytes = 4194304.00 KiB = 4096.00 MiB + Load Address: 00000000 + Entry Point: 00000000 +- Make it easily parsable by tools +- Force type to sunxi_egon + +Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org> +--- + tools/dumpimage.c | 16 +++++++++++++--- + 1 file changed, 13 insertions(+), 3 deletions(-) + +diff --git a/tools/dumpimage.c b/tools/dumpimage.c +index e5481435a7..9d0d0c448b 100644 +--- a/tools/dumpimage.c ++++ b/tools/dumpimage.c +@@ -71,6 +71,9 @@ int main(int argc, char **argv) + char *ptr; + int retval = EXIT_SUCCESS; + struct image_type_params *tparams = NULL; ++ off_t offset = 0; ++ ++ offset = 8192; /* Allwinner SOCs */ + + params.cmdname = *argv; + +@@ -159,6 +162,14 @@ int main(int argc, char **argv) + exit(EXIT_FAILURE); + } + ++ /* Handle block devices */ ++ if (sbuf.st_size == 0) { ++ /* 1M should be sufficient as we have the first partition that ++ * is typically aligned at 1M for MBR partitioning. ++ */ ++ sbuf.st_size = 1024*1024; ++ } ++ + if ((uint32_t)sbuf.st_size < tparams->header_size) { + fprintf(stderr, "%s: Bad size: \"%s\" is not valid image\n", + params.cmdname, params.imagefile); +@@ -182,7 +193,7 @@ int main(int argc, char **argv) + * Extract the data files from within the matched + * image type. Returns the error code if not matched + */ +- retval = dumpimage_extract_subimage(tparams, ptr, &sbuf); ++ retval = dumpimage_extract_subimage(tparams, ptr + offset, &sbuf); + if (retval) + fprintf(stderr, "%s: Can't extract subimage from %s\n", + params.cmdname, params.imagefile); +@@ -191,10 +202,9 @@ int main(int argc, char **argv) + * Print the image information for matched image type + * Returns the error code if not matched + */ +- retval = imagetool_verify_print_header(ptr, &sbuf, tparams, ++ retval = imagetool_verify_print_header(ptr + offset, &sbuf, tparams, + ¶ms); + } +- + (void)munmap((void *)ptr, sbuf.st_size); + (void)close(ifd); + +-- +2.31.1 + |