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/* ----------------------------------------------------------------------- *
*
* Copyright 2007-2008 H. Peter Anvin - All Rights Reserved
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall
* be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* ----------------------------------------------------------------------- */
/*
* syslinux/serial.c
*
* SYSLINUX serial console query
*/
#include <klibc/compiler.h>
#include <syslinux/config.h>
#include <string.h>
#include <com32.h>
struct syslinux_serial_console_info __syslinux_serial_console_info;
void __constructor __syslinux_get_serial_console_info(void)
{
static com32sys_t reg;
memset(®, 0, sizeof reg);
reg.eax.w[0] = 0x000b;
__intcall(0x22, ®, ®);
__syslinux_serial_console_info.iobase = reg.edx.w[0];
__syslinux_serial_console_info.divisor = reg.ecx.w[0];
__syslinux_serial_console_info.flowctl = reg.ebx.w[0];
}
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