On Mon, 20 Nov 2017 15:33:29 -0700 Simon Glass <s...@chromium.org> wrote:
> It is useful to display log messages on the console. Add a simple > driver to handle this. > > Note that this driver outputs to the console, which may be serial or > video. It does not specifically select serial output. > Reviewed-by: Lukasz Majewski <lu...@denx.de> > Signed-off-by: Simon Glass <s...@chromium.org> > Reviewed-by: Bin Meng <bmeng...@gmail.com> > --- > > Changes in v3: None > Changes in v2: > - Update commit message to explain that this is not just for serial > output > > common/Kconfig | 20 ++++++++++++++++++++ > common/Makefile | 1 + > common/log_console.c | 23 +++++++++++++++++++++++ > 3 files changed, 44 insertions(+) > create mode 100644 common/log_console.c > > diff --git a/common/Kconfig b/common/Kconfig > index 9747443feb2..1b157e47c3d 100644 > --- a/common/Kconfig > +++ b/common/Kconfig > @@ -474,6 +474,26 @@ config SPL_LOG_MAX_LEVEL > 6 - detail > 7 - debug > > +config LOG_CONSOLE > + bool "Allow log output to the console" > + depends on LOG > + default y > + help > + Enables a log driver which writes log records to the > console. > + Generally the console is the serial port or LCD display. > Only the > + log message is shown - other details like level, category, > file and > + line number are omitted. > + > +config LOG_SPL_CONSOLE > + bool "Allow log output to the console in SPL" > + depends on LOG_SPL > + default y > + help > + Enables a log driver which writes log records to the > console. > + Generally the console is the serial port or LCD display. > Only the > + log message is shown - other details like level, category, > file and > + line number are omitted. > + > endmenu > > config DEFAULT_FDT_FILE > diff --git a/common/Makefile b/common/Makefile > index f4b632761fa..14166209fe4 100644 > --- a/common/Makefile > +++ b/common/Makefile > @@ -129,5 +129,6 @@ obj-$(CONFIG_FSL_DDR_INTERACTIVE) += cli_simple.o > cli_readline.o obj-$(CONFIG_CMD_DFU) += dfu.o > obj-y += command.o > obj-$(CONFIG_$(SPL_)LOG) += log.o > +obj-$(CONFIG_$(SPL_)LOG_CONSOLE) += log_console.o > obj-y += s_record.o > obj-y += xyzModem.o > diff --git a/common/log_console.c b/common/log_console.c > new file mode 100644 > index 00000000000..5af73bd8be4 > --- /dev/null > +++ b/common/log_console.c > @@ -0,0 +1,23 @@ > +/* > + * Logging support > + * > + * Copyright (c) 2017 Google, Inc > + * Written by Simon Glass <s...@chromium.org> > + * > + * SPDX-License-Identifier: GPL-2.0+ > + */ > + > +#include <common.h> > +#include <log.h> > + > +static int log_console_emit(struct log_device *ldev, struct log_rec > *rec) +{ > + puts(rec->msg); > + > + return 0; > +} > + > +LOG_DRIVER(console) = { > + .name = "console", > + .emit = log_console_emit, > +}; Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de
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