diff options
Diffstat (limited to 'meta-openembedded/meta-oe/recipes-devtools/android-tools/android-tools/core/0009-mkbootimg-Add-dt-parameter-to-specify-DT-image.patch')
-rw-r--r-- | meta-openembedded/meta-oe/recipes-devtools/android-tools/android-tools/core/0009-mkbootimg-Add-dt-parameter-to-specify-DT-image.patch | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/meta-openembedded/meta-oe/recipes-devtools/android-tools/android-tools/core/0009-mkbootimg-Add-dt-parameter-to-specify-DT-image.patch b/meta-openembedded/meta-oe/recipes-devtools/android-tools/android-tools/core/0009-mkbootimg-Add-dt-parameter-to-specify-DT-image.patch new file mode 100644 index 000000000..a4dc6e1e3 --- /dev/null +++ b/meta-openembedded/meta-oe/recipes-devtools/android-tools/android-tools/core/0009-mkbootimg-Add-dt-parameter-to-specify-DT-image.patch @@ -0,0 +1,110 @@ +From dd195778a9930b7967b21a3b8eb390b70253dbad Mon Sep 17 00:00:00 2001 +From: David Ng <dave@codeaurora.org> +Date: Fri, 27 Jul 2012 17:15:03 -0700 +Subject: [PATCH] mkbootimg: Add --dt parameter to specify DT image + +New optional --dt parameter to specify a kernel device +tree image. + +Upstream-Status: Inappropriate +--- + mkbootimg/bootimg.h | 7 +++++-- + mkbootimg/mkbootimg.c | 21 +++++++++++++++++++++ + 2 files changed, 26 insertions(+), 2 deletions(-) + +diff --git a/mkbootimg/bootimg.h b/mkbootimg/bootimg.h +index 9171d85a7b..308c537d6b 100644 +--- a/mkbootimg/bootimg.h ++++ b/mkbootimg/bootimg.h +@@ -41,8 +41,8 @@ struct boot_img_hdr + + unsigned tags_addr; /* physical addr for kernel tags */ + unsigned page_size; /* flash page size we assume */ +- unsigned unused[2]; /* future expansion: should be 0 */ +- ++ unsigned dt_size; /* device tree in bytes */ ++ unsigned unused; /* future expansion: should be 0 */ + unsigned char name[BOOT_NAME_SIZE]; /* asciiz product name */ + + unsigned char cmdline[BOOT_ARGS_SIZE]; +@@ -64,10 +64,13 @@ struct boot_img_hdr + ** +-----------------+ + ** | second stage | o pages + ** +-----------------+ ++** | device tree | p pages ++** +-----------------+ + ** + ** n = (kernel_size + page_size - 1) / page_size + ** m = (ramdisk_size + page_size - 1) / page_size + ** o = (second_size + page_size - 1) / page_size ++** p = (dt_size + page_size - 1) / page_size + ** + ** 0. all entities are page_size aligned in flash + ** 1. kernel and ramdisk are required (size != 0) +diff --git a/mkbootimg/mkbootimg.c b/mkbootimg/mkbootimg.c +index fc92b4dc30..658052cdf2 100644 +--- a/mkbootimg/mkbootimg.c ++++ b/mkbootimg/mkbootimg.c +@@ -65,6 +65,7 @@ int usage(void) + " [ --board <boardname> ]\n" + " [ --base <address> ]\n" + " [ --pagesize <pagesize> ]\n" ++ " [ --dt <filename> ]\n" + " -o|--output <filename>\n" + ); + return 1; +@@ -105,6 +106,8 @@ int main(int argc, char **argv) + char *cmdline = ""; + char *bootimg = 0; + char *board = ""; ++ char *dt_fn = 0; ++ void *dt_data = 0; + unsigned pagesize = 2048; + int fd; + SHA_CTX ctx; +@@ -158,6 +161,8 @@ int main(int argc, char **argv) + fprintf(stderr,"error: unsupported page size %d\n", pagesize); + return -1; + } ++ } else if(!strcmp(arg, "--dt")) { ++ dt_fn = val; + } else { + return usage(); + } +@@ -232,6 +237,14 @@ int main(int argc, char **argv) + } + } + ++ if(dt_fn) { ++ dt_data = load_file(dt_fn, &hdr.dt_size); ++ if (dt_data == 0) { ++ fprintf(stderr,"error: could not load device tree image '%s'\n", dt_fn); ++ return 1; ++ } ++ } ++ + /* put a hash of the contents in the header so boot images can be + * differentiated based on their first 2k. + */ +@@ -242,6 +255,10 @@ int main(int argc, char **argv) + SHA_update(&ctx, &hdr.ramdisk_size, sizeof(hdr.ramdisk_size)); + SHA_update(&ctx, second_data, hdr.second_size); + SHA_update(&ctx, &hdr.second_size, sizeof(hdr.second_size)); ++ if(dt_data) { ++ SHA_update(&ctx, dt_data, hdr.dt_size); ++ SHA_update(&ctx, &hdr.dt_size, sizeof(hdr.dt_size)); ++ } + sha = SHA_final(&ctx); + memcpy(hdr.id, sha, + SHA_DIGEST_SIZE > sizeof(hdr.id) ? sizeof(hdr.id) : SHA_DIGEST_SIZE); +@@ -266,6 +283,10 @@ int main(int argc, char **argv) + if(write_padding(fd, pagesize, hdr.second_size)) goto fail; + } + ++ if(dt_data) { ++ if(write(fd, dt_data, hdr.dt_size) != (ssize_t) hdr.dt_size) goto fail; ++ if(write_padding(fd, pagesize, hdr.dt_size)) goto fail; ++ } + return 0; + + fail: |