diff options
author | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2016-04-14 17:43:06 -0700 |
---|---|---|
committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2016-04-16 01:08:23 +0200 |
commit | 777028fd8ac4879164e18fb7b8716aac2b572b04 (patch) | |
tree | e21ec2d48322efd85964ff78d35e6c10626922b2 /payloads/libpayload/drivers | |
parent | 88352d736590590aafc2c0eba770b467fb1a49aa (diff) | |
download | coreboot-777028fd8ac4879164e18fb7b8716aac2b572b04.tar.xz |
libpayload: Split off generic serial API from 8250 driver
There is a lot of generic code in the 8250 driver that should
be available for non-8250 systems with serial ports as well.
Change-Id: I67fcb12b5fa99ae0047b3cbf1815043d3919437e
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/14371
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'payloads/libpayload/drivers')
-rw-r--r-- | payloads/libpayload/drivers/Makefile.inc | 8 | ||||
-rw-r--r-- | payloads/libpayload/drivers/serial/8250.c | 90 | ||||
-rw-r--r-- | payloads/libpayload/drivers/serial/serial.c | 124 |
3 files changed, 128 insertions, 94 deletions
diff --git a/payloads/libpayload/drivers/Makefile.inc b/payloads/libpayload/drivers/Makefile.inc index 31eb43ce3b..644b0d907d 100644 --- a/payloads/libpayload/drivers/Makefile.inc +++ b/payloads/libpayload/drivers/Makefile.inc @@ -33,10 +33,10 @@ libc-$(CONFIG_LP_PCI) += pci.c libc-$(CONFIG_LP_SPEAKER) += speaker.c -libc-$(CONFIG_LP_8250_SERIAL_CONSOLE) += serial/8250.c -libc-$(CONFIG_LP_S5P_SERIAL_CONSOLE) += serial/s5p.c -libc-$(CONFIG_LP_IPQ806X_SERIAL_CONSOLE) += serial/ipq806x.c -libc-$(CONFIG_LP_BG4CD_SERIAL_CONSOLE) += serial/bg4cd.c +libc-$(CONFIG_LP_8250_SERIAL_CONSOLE) += serial/8250.c serial/serial.c +libc-$(CONFIG_LP_S5P_SERIAL_CONSOLE) += serial/s5p.c serial/serial.c +libc-$(CONFIG_LP_IPQ806X_SERIAL_CONSOLE) += serial/ipq806x.c serial/serial.c +libc-$(CONFIG_LP_BG4CD_SERIAL_CONSOLE) += serial/bg4cd.c serial/serial.c libc-$(CONFIG_LP_PC_KEYBOARD) += keyboard.c libc-$(CONFIG_LP_CBMEM_CONSOLE) += cbmem_console.c diff --git a/payloads/libpayload/drivers/serial/8250.c b/payloads/libpayload/drivers/serial/8250.c index 0386f23a57..1fcf36dee6 100644 --- a/payloads/libpayload/drivers/serial/8250.c +++ b/payloads/libpayload/drivers/serial/8250.c @@ -169,93 +169,3 @@ int serial_getchar(void) while (!serial_havechar()) ; return serial_read_reg(0x00); } - -/* These are thinly veiled vt100 functions used by curses */ - -#define VT100_CLEAR "\e[H\e[J" -/* These defines will fail if you use bold and reverse at the same time. - * Switching off one of them will switch off both. tinycurses knows about - * this and does the right thing. - */ -#define VT100_SBOLD "\e[1m" -#define VT100_EBOLD "\e[m" -#define VT100_SREVERSE "\e[7m" -#define VT100_EREVERSE "\e[m" -#define VT100_CURSOR_ADDR "\e[%d;%dH" -#define VT100_CURSOR_ON "\e[?25l" -#define VT100_CURSOR_OFF "\e[?25h" -/* The following smacs/rmacs are actually for xterm; a real vt100 has - enacs=\E(B\E)0, smacs=^N, rmacs=^O. */ -#define VT100_SMACS "\e(0" -#define VT100_RMACS "\e(B" -/* A vt100 doesn't do color, setaf/setab below are from xterm-color. */ -#define VT100_SET_COLOR "\e[3%d;4%dm" - -static void serial_putcmd(const char *str) -{ - while (*str) - serial_putchar(*(str++)); -} - -void serial_clear(void) -{ - serial_putcmd(VT100_CLEAR); -} - -void serial_start_bold(void) -{ - serial_putcmd(VT100_SBOLD); -} - -void serial_end_bold(void) -{ - serial_putcmd(VT100_EBOLD); -} - -void serial_start_reverse(void) -{ - serial_putcmd(VT100_SREVERSE); -} - -void serial_end_reverse(void) -{ - serial_putcmd(VT100_EREVERSE); -} - -void serial_start_altcharset(void) -{ - serial_putcmd(VT100_SMACS); -} - -void serial_end_altcharset(void) -{ - serial_putcmd(VT100_RMACS); -} - -/** - * Set the foreground and background colors on the serial console. - * - * @param fg Foreground color number. - * @param bg Background color number. - */ -void serial_set_color(short fg, short bg) -{ - char buffer[32]; - snprintf(buffer, sizeof(buffer), VT100_SET_COLOR, fg, bg); - serial_putcmd(buffer); -} - -void serial_set_cursor(int y, int x) -{ - char buffer[32]; - snprintf(buffer, sizeof(buffer), VT100_CURSOR_ADDR, y + 1, x + 1); - serial_putcmd(buffer); -} - -void serial_cursor_enable(int state) -{ - if (state) - serial_putcmd(VT100_CURSOR_ON); - else - serial_putcmd(VT100_CURSOR_OFF); -} diff --git a/payloads/libpayload/drivers/serial/serial.c b/payloads/libpayload/drivers/serial/serial.c new file mode 100644 index 0000000000..6735e3f083 --- /dev/null +++ b/payloads/libpayload/drivers/serial/serial.c @@ -0,0 +1,124 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2008 Advanced Micro Devices, Inc. + * Copyright (C) 2008 Ulf Jordan <jordan@chalmers.se> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <libpayload-config.h> +#include <libpayload.h> + +/* These are thinly veiled vt100 functions used by curses */ + +#define VT100_CLEAR "\e[H\e[J" +/* These defines will fail if you use bold and reverse at the same time. + * Switching off one of them will switch off both. tinycurses knows about + * this and does the right thing. + */ +#define VT100_SBOLD "\e[1m" +#define VT100_EBOLD "\e[m" +#define VT100_SREVERSE "\e[7m" +#define VT100_EREVERSE "\e[m" +#define VT100_CURSOR_ADDR "\e[%d;%dH" +#define VT100_CURSOR_ON "\e[?25l" +#define VT100_CURSOR_OFF "\e[?25h" +/* The following smacs/rmacs are actually for xterm; a real vt100 has + enacs=\E(B\E)0, smacs=^N, rmacs=^O. */ +#define VT100_SMACS "\e(0" +#define VT100_RMACS "\e(B" +/* A vt100 doesn't do color, setaf/setab below are from xterm-color. */ +#define VT100_SET_COLOR "\e[3%d;4%dm" + +static void serial_putcmd(const char *str) +{ + while (*str) + serial_putchar(*(str++)); +} + +void serial_clear(void) +{ + serial_putcmd(VT100_CLEAR); +} + +void serial_start_bold(void) +{ + serial_putcmd(VT100_SBOLD); +} + +void serial_end_bold(void) +{ + serial_putcmd(VT100_EBOLD); +} + +void serial_start_reverse(void) +{ + serial_putcmd(VT100_SREVERSE); +} + +void serial_end_reverse(void) +{ + serial_putcmd(VT100_EREVERSE); +} + +void serial_start_altcharset(void) +{ + serial_putcmd(VT100_SMACS); +} + +void serial_end_altcharset(void) +{ + serial_putcmd(VT100_RMACS); +} + +/** + * Set the foreground and background colors on the serial console. + * + * @param fg Foreground color number. + * @param bg Background color number. + */ +void serial_set_color(short fg, short bg) +{ + char buffer[32]; + + snprintf(buffer, sizeof(buffer), VT100_SET_COLOR, fg, bg); + serial_putcmd(buffer); +} + +void serial_set_cursor(int y, int x) +{ + char buffer[32]; + + snprintf(buffer, sizeof(buffer), VT100_CURSOR_ADDR, y + 1, x + 1); + serial_putcmd(buffer); +} + +void serial_cursor_enable(int state) +{ + if (state) + serial_putcmd(VT100_CURSOR_ON); + else + serial_putcmd(VT100_CURSOR_OFF); +} |