Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
42 lines
815 B
C
42 lines
815 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* DECstation PROM-based early console support.
|
|
*
|
|
* Copyright (C) 2004, 2007 Maciej W. Rozycki
|
|
*/
|
|
#include <linux/console.h>
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/string.h>
|
|
|
|
#include <asm/dec/prom.h>
|
|
|
|
static void __init prom_console_write(struct console *con, const char *s,
|
|
unsigned int c)
|
|
{
|
|
char buf[81];
|
|
unsigned int chunk = sizeof(buf) - 1;
|
|
|
|
while (c > 0) {
|
|
if (chunk > c)
|
|
chunk = c;
|
|
memcpy(buf, s, chunk);
|
|
buf[chunk] = '\0';
|
|
prom_printf("%s", buf);
|
|
s += chunk;
|
|
c -= chunk;
|
|
}
|
|
}
|
|
|
|
static struct console promcons __initdata = {
|
|
.name = "prom",
|
|
.write = prom_console_write,
|
|
.flags = CON_BOOT | CON_PRINTBUFFER,
|
|
.index = -1,
|
|
};
|
|
|
|
void __init register_prom_console(void)
|
|
{
|
|
register_console(&promcons);
|
|
}
|