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author | Stefano Babic <sbabic@denx.de> | 2014-05-15 10:27:32 +0200 |
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committer | Stefano Babic <sbabic@denx.de> | 2014-05-15 10:27:32 +0200 |
commit | e7f9350525d73233d4eaf1793f8fe618e9fd4910 (patch) | |
tree | 153366c61e17af4ecdd9f10be520f707d525157d /tools/fit_common.c | |
parent | 50c8d66d33651d7fca6a082a1eea6e537401a2f4 (diff) | |
parent | d2a3e911390f9fc4d8c0ee4b3c7fc75f4fd3fd19 (diff) | |
download | u-boot-imx-e7f9350525d73233d4eaf1793f8fe618e9fd4910.zip u-boot-imx-e7f9350525d73233d4eaf1793f8fe618e9fd4910.tar.gz u-boot-imx-e7f9350525d73233d4eaf1793f8fe618e9fd4910.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'tools/fit_common.c')
-rw-r--r-- | tools/fit_common.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/tools/fit_common.c b/tools/fit_common.c new file mode 100644 index 0000000..ee1767b --- /dev/null +++ b/tools/fit_common.c @@ -0,0 +1,86 @@ +/* + * (C) Copyright 2014 + * DENX Software Engineering + * Heiko Schocher <hs@denx.de> + * + * (C) Copyright 2008 Semihalf + * + * (C) Copyright 2000-2004 + * DENX Software Engineering + * Wolfgang Denk, wd@denx.de + * + * Updated-by: Prafulla Wadaskar <prafulla@marvell.com> + * FIT image specific code abstracted from mkimage.c + * some functions added to address abstraction + * + * All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include "imagetool.h" +#include "mkimage.h" +#include "fit_common.h" +#include <image.h> +#include <u-boot/crc.h> + +int fit_verify_header(unsigned char *ptr, int image_size, + struct image_tool_params *params) +{ + return fdt_check_header(ptr); +} + +int fit_check_image_types(uint8_t type) +{ + if (type == IH_TYPE_FLATDT) + return EXIT_SUCCESS; + else + return EXIT_FAILURE; +} + +int mmap_fdt(char *cmdname, const char *fname, void **blobp, + struct stat *sbuf, int useunlink) +{ + void *ptr; + int fd; + + /* Load FIT blob into memory (we need to write hashes/signatures) */ + fd = open(fname, O_RDWR | O_BINARY); + + if (fd < 0) { + fprintf(stderr, "%s: Can't open %s: %s\n", + cmdname, fname, strerror(errno)); + if (useunlink) + unlink(fname); + return -1; + } + + if (fstat(fd, sbuf) < 0) { + fprintf(stderr, "%s: Can't stat %s: %s\n", + cmdname, fname, strerror(errno)); + if (useunlink) + unlink(fname); + return -1; + } + + errno = 0; + ptr = mmap(0, sbuf->st_size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); + if ((ptr == MAP_FAILED) || (errno != 0)) { + fprintf(stderr, "%s: Can't read %s: %s\n", + cmdname, fname, strerror(errno)); + if (useunlink) + unlink(fname); + return -1; + } + + /* check if ptr has a valid blob */ + if (fdt_check_header(ptr)) { + fprintf(stderr, "%s: Invalid FIT blob\n", cmdname); + if (useunlink) + unlink(fname); + return -1; + } + + *blobp = ptr; + return fd; +} |