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Alexey Brodkin f8c987f8f1 lib: Add hexdump 
Often during debugging session it's very interesting to see
what data we were dealing with. For example what we write or read
to/from memory or peripherals.

This change introduces functions that allow to dump binary
data with one simple function invocation like:
------------------->8----------------
print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, buf, len);
------------------->8----------------

which gives us the following:
------------------->8----------------
00000000: f2 b7 c9 88 62 61 75 64 72 61 74 65 3d 31 31 35  ....baudrate=115
00000010: 32 30 30 00 62 6f 6f 74 61 72 67 73 3d 63 6f 6e  200.bootargs=con
00000020: 73 6f 6c 65 3d 74 74 79 53 33 2c 31 31 35 32 30  sole=ttyS3,11520
00000030: 30 6e 38 00 62 6f 6f 74 64 65 6c 61 79 3d 33 00  0n8.bootdelay=3.
00000040: 62 6f 6f 74 66 69 6c 65 3d 75 49 6d 61 67 65 00  bootfile=uImage.
00000050: 66 64 74 63 6f 6e 74 72 6f 6c 61 64 64 72 3d 39  fdtcontroladdr=9
00000060: 66 66 62 31 62 61 30 00 6c 6f 61 64 61 64 64 72  ffb1ba0.loadaddr
00000070: 3d 30 78 38 32 30 30 30 30 30 30 00 73 74 64 65  =0x82000000.stde
00000080: 72 72 3d 73 65 72 69 61 6c 30 40 65 30 30 32 32  rr=serial0@e0022
00000090: 30 30 30 00 73 74 64 69 6e 3d 73 65 72 69 61 6c  000.stdin=serial
000000a0: 30 40 65 30 30 32 32 30 30 30 00 73 74 64 6f 75  0@e0022000.stdou
000000b0: 74 3d 73 65 72 69 61 6c 30 40 65 30 30 32 32 30  t=serial0@e00220
000000c0: 30 30 00 00 00 00 00 00 00 00 00 00 00 00 00 00  00..............
...
------------------->8----------------

Source of hexdump.c was copied from Linux kernel v4.7-rc2.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Mario Six <mario.six@gdsys.cc>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
Cc: Stefan Roese <sr@denx.de>
 		2018-06-13 07:49:12 -04:00
..
byteorder include/linux/byteorder: Sync to latest Linux definitions 2018-06-12 18:44:00 -04:00
mtd SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
unaligned
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usb usb: common: add support to get maximum speed from dt 2018-05-18 13:23:10 +02:00
apm_bios.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
arm-smccc.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
bch.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
bitfield.h
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bitops.h bitops: collect BIT macros to include/linux/bitops.h 2017-11-29 00:28:57 +09:00
bitrev.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
bug.h bug.h: introduce WARN_ONCE 2018-06-07 17:08:06 -04:00
build_bug.h
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compat.h lib: Add hexdump 2018-06-13 07:49:12 -04:00
compiler-clang.h
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compiler-gcc.h
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compiler-intel.h
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compiler.h
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crc7.h
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crc8.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
crc32.h
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ctype.h
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delay.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
dma-direction.h
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drm_dp_helper.h
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edd.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
err.h
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errno.h
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ethtool.h
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fb.h
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immap_qe.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
input.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
io.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
ioctl.h
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iopoll.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
ioport.h
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kbuild.h
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kconfig.h
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kernel.h linux/kernel.h: Add ALIGN_DOWN macro 2018-01-10 08:05:51 -05:00
libfdt.h libfdt: move FDT_RAMDISK_OVERHEAD to image-fdt.c 2018-04-01 22:19:10 +08:00
libfdt_env.h scripts/dtc: Update to upstream version v1.4.6-9-gaadd0b65c987 2018-05-31 08:53:11 -04:00
linkage.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
linux_string.h
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list.h
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list_sort.h
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log2.h include: update log2 header from the Linux kernel 2018-05-10 20:38:34 -04:00
lzo.h
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math64.h
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mbus.h
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mc146818rtc.h
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mdio.h
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mii.h
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netdevice.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
poison.h
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posix_types.h
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printk.h
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psci.h
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rbtree.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
rbtree_augmented.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
screen_info.h
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serial_reg.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
sizes.h
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stat.h
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stddef.h
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string.h
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stringify.h
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time.h
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typecheck.h
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types.h linux/types.h: add typedef of uintptr_t 2017-11-17 07:44:13 -05:00