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>master
Heiko Schocher
10 years ago
committed by
Tom Rini
parent
bf007ebb6f
commit
6bf4ca076f
@ -0,0 +1,86 @@ |
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/*
|
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* (C) Copyright 2014 |
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* DENX Software Engineering |
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* Heiko Schocher <hs@denx.de> |
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* |
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* (C) Copyright 2008 Semihalf |
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* |
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* (C) Copyright 2000-2004 |
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* DENX Software Engineering |
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* Wolfgang Denk, wd@denx.de |
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* |
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* Updated-by: Prafulla Wadaskar <prafulla@marvell.com> |
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* FIT image specific code abstracted from mkimage.c |
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* some functions added to address abstraction |
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* |
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* All rights reserved. |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#include "imagetool.h" |
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#include "mkimage.h" |
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#include "fit_common.h" |
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#include <image.h> |
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#include <u-boot/crc.h> |
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|
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int fit_verify_header(unsigned char *ptr, int image_size, |
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struct image_tool_params *params) |
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{ |
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return fdt_check_header(ptr); |
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} |
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|
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int fit_check_image_types(uint8_t type) |
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{ |
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if (type == IH_TYPE_FLATDT) |
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return EXIT_SUCCESS; |
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else |
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return EXIT_FAILURE; |
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} |
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int mmap_fdt(char *cmdname, const char *fname, void **blobp, |
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struct stat *sbuf, int useunlink) |
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{ |
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void *ptr; |
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int fd; |
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/* Load FIT blob into memory (we need to write hashes/signatures) */ |
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fd = open(fname, O_RDWR | O_BINARY); |
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if (fd < 0) { |
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fprintf(stderr, "%s: Can't open %s: %s\n", |
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cmdname, fname, strerror(errno)); |
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if (useunlink) |
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unlink(fname); |
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return -1; |
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} |
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|
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if (fstat(fd, sbuf) < 0) { |
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fprintf(stderr, "%s: Can't stat %s: %s\n", |
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cmdname, fname, strerror(errno)); |
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if (useunlink) |
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unlink(fname); |
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return -1; |
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} |
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errno = 0; |
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ptr = mmap(0, sbuf->st_size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); |
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if ((ptr == MAP_FAILED) || (errno != 0)) { |
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fprintf(stderr, "%s: Can't read %s: %s\n", |
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cmdname, fname, strerror(errno)); |
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if (useunlink) |
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unlink(fname); |
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return -1; |
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} |
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|
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/* check if ptr has a valid blob */ |
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if (fdt_check_header(ptr)) { |
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fprintf(stderr, "%s: Invalid FIT blob\n", cmdname); |
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if (useunlink) |
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unlink(fname); |
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return -1; |
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} |
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*blobp = ptr; |
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return fd; |
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} |
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@ -0,0 +1,22 @@ |
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/*
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* (C) Copyright 2014 |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#ifndef _FIT_COMMON_H_ |
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#define _FIT_COMMON_H_ |
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#include "imagetool.h" |
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#include "mkimage.h" |
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#include <image.h> |
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int fit_verify_header(unsigned char *ptr, int image_size, |
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struct image_tool_params *params); |
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int fit_check_image_types(uint8_t type); |
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int mmap_fdt(char *cmdname, const char *fname, void **blobp, |
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struct stat *sbuf, int useunlink); |
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#endif /* _FIT_COMMON_H_ */ |
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@ -0,0 +1,96 @@ |
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/*
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* (C) Copyright 2014 |
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* DENX Software Engineering |
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* Heiko Schocher <hs@denx.de> |
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* |
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* fit_info: print the offset and the len of a property from |
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* node in a fit file. |
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* |
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* Based on: |
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* (C) Copyright 2008 Semihalf |
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* |
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* (C) Copyright 2000-2004 |
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* DENX Software Engineering |
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* Wolfgang Denk, wd@denx.de |
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* |
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* Updated-by: Prafulla Wadaskar <prafulla@marvell.com> |
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* FIT image specific code abstracted from mkimage.c |
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* some functions added to address abstraction |
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* |
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* All rights reserved. |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#include "mkimage.h" |
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#include "fit_common.h" |
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#include <image.h> |
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#include <u-boot/crc.h> |
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void usage(char *cmdname) |
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{ |
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fprintf(stderr, "Usage: %s -f fit file -n node -p property\n" |
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" -f ==> set fit file which is used'\n" |
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" -n ==> set node name'\n" |
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" -p ==> set property name'\n", |
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cmdname); |
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exit(EXIT_FAILURE); |
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} |
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int main(int argc, char **argv) |
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{ |
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int ffd = -1; |
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struct stat fsbuf; |
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void *fit_blob; |
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int len; |
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int nodeoffset; /* node offset from libfdt */ |
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const void *nodep; /* property node pointer */ |
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char *fdtfile = NULL; |
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char *nodename = NULL; |
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char *propertyname = NULL; |
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char cmdname[50]; |
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int c; |
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strcpy(cmdname, *argv); |
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while ((c = getopt(argc, argv, "f:n:p:")) != -1) |
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switch (c) { |
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case 'f': |
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fdtfile = optarg; |
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break; |
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case 'n': |
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nodename = optarg; |
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break; |
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case 'p': |
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propertyname = optarg; |
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break; |
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default: |
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usage(cmdname); |
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break; |
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} |
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ffd = mmap_fdt(cmdname, fdtfile, &fit_blob, &fsbuf, 0); |
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if (ffd < 0) { |
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printf("Could not open %s\n", fdtfile); |
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exit(EXIT_FAILURE); |
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} |
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nodeoffset = fdt_path_offset(fit_blob, nodename); |
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if (nodeoffset < 0) { |
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printf("%s not found.", nodename); |
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exit(EXIT_FAILURE); |
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} |
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nodep = fdt_getprop(fit_blob, nodeoffset, propertyname, &len); |
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if (len == 0) { |
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printf("len == 0 %s\n", propertyname); |
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exit(EXIT_FAILURE); |
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} |
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printf("NAME: %s\n", fit_get_name(fit_blob, nodeoffset, NULL)); |
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printf("LEN: %d\n", len); |
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printf("OFF: %d\n", (int)(nodep - fit_blob)); |
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(void) munmap((void *)fit_blob, fsbuf.st_size); |
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close(ffd); |
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exit(EXIT_SUCCESS); |
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} |
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