mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-12 07:57:21 +00:00
f8c987f8f1
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:
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print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, buf, len);
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which gives us the following:
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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>
133 lines
4 KiB
C
133 lines
4 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) International Business Machines Corp., 2006
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*
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* Author: Artem Bityutskiy (Битюцкий Артём)
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*/
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#ifndef __UBI_DEBUG_H__
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#define __UBI_DEBUG_H__
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void ubi_dump_flash(struct ubi_device *ubi, int pnum, int offset, int len);
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void ubi_dump_ec_hdr(const struct ubi_ec_hdr *ec_hdr);
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void ubi_dump_vid_hdr(const struct ubi_vid_hdr *vid_hdr);
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#ifndef __UBOOT__
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#include <linux/random.h>
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#endif
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#include <hexdump.h>
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#define ubi_assert(expr) do { \
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if (unlikely(!(expr))) { \
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pr_crit("UBI assert failed in %s at %u (pid %d)\n", \
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__func__, __LINE__, current->pid); \
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dump_stack(); \
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} \
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} while (0)
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#define ubi_dbg_print_hex_dump(ps, pt, r, g, b, len, a) \
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print_hex_dump(ps, pt, r, g, b, len, a)
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#define ubi_dbg_msg(type, fmt, ...) \
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pr_debug("UBI DBG " type " (pid %d): " fmt "\n", current->pid, \
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##__VA_ARGS__)
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/* General debugging messages */
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#define dbg_gen(fmt, ...) ubi_dbg_msg("gen", fmt, ##__VA_ARGS__)
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/* Messages from the eraseblock association sub-system */
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#define dbg_eba(fmt, ...) ubi_dbg_msg("eba", fmt, ##__VA_ARGS__)
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/* Messages from the wear-leveling sub-system */
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#define dbg_wl(fmt, ...) ubi_dbg_msg("wl", fmt, ##__VA_ARGS__)
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/* Messages from the input/output sub-system */
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#define dbg_io(fmt, ...) ubi_dbg_msg("io", fmt, ##__VA_ARGS__)
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/* Initialization and build messages */
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#define dbg_bld(fmt, ...) ubi_dbg_msg("bld", fmt, ##__VA_ARGS__)
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void ubi_dump_vol_info(const struct ubi_volume *vol);
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void ubi_dump_vtbl_record(const struct ubi_vtbl_record *r, int idx);
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void ubi_dump_av(const struct ubi_ainf_volume *av);
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void ubi_dump_aeb(const struct ubi_ainf_peb *aeb, int type);
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void ubi_dump_mkvol_req(const struct ubi_mkvol_req *req);
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int ubi_self_check_all_ff(struct ubi_device *ubi, int pnum, int offset,
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int len);
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int ubi_debugfs_init(void);
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void ubi_debugfs_exit(void);
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int ubi_debugfs_init_dev(struct ubi_device *ubi);
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void ubi_debugfs_exit_dev(struct ubi_device *ubi);
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/**
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* ubi_dbg_is_bgt_disabled - if the background thread is disabled.
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* @ubi: UBI device description object
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*
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* Returns non-zero if the UBI background thread is disabled for testing
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* purposes.
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*/
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static inline int ubi_dbg_is_bgt_disabled(const struct ubi_device *ubi)
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{
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return ubi->dbg.disable_bgt;
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}
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/**
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* ubi_dbg_is_bitflip - if it is time to emulate a bit-flip.
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* @ubi: UBI device description object
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*
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* Returns non-zero if a bit-flip should be emulated, otherwise returns zero.
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*/
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static inline int ubi_dbg_is_bitflip(const struct ubi_device *ubi)
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{
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if (ubi->dbg.emulate_bitflips)
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return !(prandom_u32() % 200);
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return 0;
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}
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/**
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* ubi_dbg_is_write_failure - if it is time to emulate a write failure.
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* @ubi: UBI device description object
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*
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* Returns non-zero if a write failure should be emulated, otherwise returns
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* zero.
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*/
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static inline int ubi_dbg_is_write_failure(const struct ubi_device *ubi)
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{
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if (ubi->dbg.emulate_io_failures)
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return !(prandom_u32() % 500);
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return 0;
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}
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/**
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* ubi_dbg_is_erase_failure - if its time to emulate an erase failure.
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* @ubi: UBI device description object
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*
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* Returns non-zero if an erase failure should be emulated, otherwise returns
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* zero.
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*/
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static inline int ubi_dbg_is_erase_failure(const struct ubi_device *ubi)
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{
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if (ubi->dbg.emulate_io_failures)
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return !(prandom_u32() % 400);
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return 0;
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}
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static inline int ubi_dbg_chk_io(const struct ubi_device *ubi)
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{
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return ubi->dbg.chk_io;
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}
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static inline int ubi_dbg_chk_gen(const struct ubi_device *ubi)
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{
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return ubi->dbg.chk_gen;
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}
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static inline int ubi_dbg_chk_fastmap(const struct ubi_device *ubi)
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{
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return ubi->dbg.chk_fastmap;
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}
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static inline void ubi_enable_dbg_chk_fastmap(struct ubi_device *ubi)
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{
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ubi->dbg.chk_fastmap = 1;
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}
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int ubi_dbg_power_cut(struct ubi_device *ubi, int caller);
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#endif /* !__UBI_DEBUG_H__ */
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