diff options
author | Heiko Schocher <hs@denx.de> | 2014-03-03 12:19:29 +0100 |
---|---|---|
committer | Tom Rini <trini@ti.com> | 2014-03-21 16:39:37 -0400 |
commit | 6bf4ca076f8c7a3c1c5abd1cbb059516f7af15df (patch) | |
tree | 44f41ca0a49cc50634747550fd5932aaceadb932 /tools/fit_common.c | |
parent | bf007ebb6f4b01af675782d23bacbddd17e1a627 (diff) |
tools, fit: add fit_info host command
add fit_info command to the host tools. This command prints
the name, offset and the len from a property from a node in
a fit file. This info can be used to extract a properties
data with linux tools, for example "dd".
Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Simon Glass <sjg@chromium.org>
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 0000000000..ee1767bd01 --- /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; +} |