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https://github.com/Telecominfraproject/OpenCellular.git
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ffac23c0ea
Our code base contains a lot of debug messages in this pattern:
CPRINTF("[%T xxx]\n") or ccprintf("[%T xxx]\n")
The strings are taking up spaces in the EC binaries, so let's refactor
this by adding cprints() and ccprints().
cprints() is just like cprintf(), except that it adds the brackets
and the timestamp. ccprints() is equivalent to cprints(CC_CONSOLE, ...)
This saves us hundreds of bytes in EC binaries.
BUG=chromium:374575
TEST=Build and check flash size
BRANCH=None
Change-Id: Ifafe8dc1b80e698b28ed42b70518c7917b49ee51
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/200490
Reviewed-by: Randall Spangler <rspangler@chromium.org>
145 lines
4.0 KiB
C
145 lines
4.0 KiB
C
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Debug console for Chrome EC */
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#ifndef __CROS_EC_CONSOLE_H
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#define __CROS_EC_CONSOLE_H
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#include "common.h"
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/* Console command; used by DECLARE_CONSOLE_COMMAND macro. */
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struct console_command {
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/* Command name. Case-insensitive. */
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const char *name;
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/* Handler for the command. argv[0] will be the command name. */
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int (*handler)(int argc, char **argv);
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#ifdef CONFIG_CONSOLE_CMDHELP
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/* Description of args */
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const char *argdesc;
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/* Short help for command */
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const char *shorthelp;
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#endif
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};
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/* Console channels */
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enum console_channel {
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CC_COMMAND = 0, /* Console command (interactive I/O). Use this only
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* inside a console command routine. */
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CC_ACCEL,
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CC_CHARGER,
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CC_CHIPSET,
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CC_CLOCK,
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CC_DMA,
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CC_EVENTS,
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CC_GPIO,
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CC_HOSTCMD,
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CC_I2C,
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CC_KEYBOARD,
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CC_KEYSCAN,
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CC_LIDANGLE,
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CC_LIGHTBAR,
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CC_LPC,
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CC_MOTION_SENSE,
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CC_PORT80,
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CC_PWM,
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CC_SPI,
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CC_SWITCH,
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CC_SYSTEM,
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CC_TASK,
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CC_THERMAL,
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CC_USBCHARGE,
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CC_USBPD,
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CC_VBOOT,
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CC_HOOK,
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/* Channel count; not itself a channel */
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CC_CHANNEL_COUNT
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};
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/* Mask in channel_mask for a particular channel */
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#define CC_MASK(channel) (1UL << (channel))
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/* Mask to use to enable all channels */
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#define CC_ALL 0xffffffffUL
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/**
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* Put a string to the console channel.
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*
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* @param channel Output chanel
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* @param outstr String to write
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*
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* @return non-zero if output was truncated.
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*/
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int cputs(enum console_channel channel, const char *outstr);
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/**
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* Print formatted output to the console channel.
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*
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* @param channel Output chanel
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* @param format Format string; see printf.h for valid formatting codes
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*
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* @return non-zero if output was truncated.
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*/
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int cprintf(enum console_channel channel, const char *format, ...);
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/**
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* Print formatted output with timestamp. This is like:
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* cprintf(channel, "[%T " + format + "]\n", ...)
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*
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* @param channel Output channel
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* @param format Format string; see printf.h for valid formatting codes
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*
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* @return non-zero if output was truncated.
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*/
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int cprints(enum console_channel channel, const char *format, ...);
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/**
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* Flush the console output for all channels.
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*/
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void cflush(void);
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/* Convenience macros for printing to the command channel.
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*
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* Modules may define similar macros in their .c files for their own use; it is
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* recommended those module-specific macros be named CPUTS and CPRINTF. */
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#define ccputs(outstr) cputs(CC_COMMAND, outstr)
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/* gcc allows variable arg lists in macros; see
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* http://gcc.gnu.org/onlinedocs/gcc/Variadic-Macros.html */
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#define ccprintf(format, args...) cprintf(CC_COMMAND, format, ## args)
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#define ccprints(format, args...) cprints(CC_COMMAND, format, ## args)
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/**
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* Called by UART when a line of input is pending.
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*/
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void console_has_input(void);
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/**
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* Register a console command handler.
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*
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* @param name Command name; must not be the beginning of another
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* existing command name. Note this is NOT in quotes
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* so it can be concatenated to form a struct name.
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* @param routine Command handling routine, of the form
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* int handler(int argc, char **argv)
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* @param argdesc String describing arguments to command; NULL if none.
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* @param shorthelp String with one-line description of command.
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* @param longhelp String with long description of command.
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*/
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#ifdef CONFIG_CONSOLE_CMDHELP
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#define DECLARE_CONSOLE_COMMAND(name, routine, argdesc, shorthelp, longhelp) \
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static const char __con_cmd_label_##name[] = #name; \
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const struct console_command __con_cmd_##name \
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__attribute__((section(".rodata.cmds." #name))) \
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= {__con_cmd_label_##name, routine, argdesc, shorthelp}
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#else
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#define DECLARE_CONSOLE_COMMAND(name, routine, argdesc, shorthelp, longhelp) \
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static const char __con_cmd_label_##name[] = #name; \
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const struct console_command __con_cmd_##name \
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__attribute__((section(".rodata.cmds." #name))) \
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= {__con_cmd_label_##name, routine}
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#endif
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#endif /* __CROS_EC_CONSOLE_H */
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