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Allow nvramtool to build and work on FreeBSD. Tested on FreeBSD 7.

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Signed-off-by: Andriy Gapon <avg@icyb.net.ua>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3709 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Andriy Gapon
2008-10-30 15:41:39 +00:00
committed by Uwe Hermann
parent b076ced581
commit 6a4bf9886a
2 changed files with 57 additions and 6 deletions
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44
util/nvramtool/cmos_lowlevel.c
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@@ -28,7 +28,11 @@
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
\*****************************************************************************/
#include <sys/io.h>
#if defined(__FreeBSD__)
#include <fcntl.h>
#include <unistd.h>
#endif
#include "common.h"
#include "cmos_lowlevel.h"
@@ -176,8 +180,8 @@ unsigned char cmos_read_byte (unsigned index)
port_1 = 0x73;
}
outb(index, port_0);
return inb(port_1);
OUTB(index, port_0);
return INB(port_1);
}
/****************************************************************************
@@ -204,8 +208,8 @@ void cmos_write_byte (unsigned index, unsigned char value)
port_1 = 0x73;
}
outb(index, port_0);
outb(value, port_1);
OUTB(index, port_0);
OUTB(value, port_1);
}
/****************************************************************************
@@ -248,8 +252,35 @@ void cmos_write_all (unsigned char data[])
* level is therefore somewhat dangerous.
****************************************************************************/
void set_iopl (int level)
{ assert((level >= 0) && (level <= 3));
{
#if defined(__FreeBSD__)
static int io_fd = -1;
#endif
assert((level >= 0) && (level <= 3));
#if defined(__FreeBSD__)
if (level == 0)
{
if (io_fd != -1)
{
close(io_fd);
io_fd = -1;
}
}
else
{
if (io_fd == -1)
{
io_fd = open("/dev/io", O_RDWR);
if (io_fd < 0)
{
perror("/dev/io");
exit(1);
}
}
}
#else
if (iopl(level))
{ fprintf(stderr,
"%s: iopl() system call failed. You must be root to do "
@@ -257,6 +288,7 @@ void set_iopl (int level)
prog_name);
exit(1);
}
#endif
}
/****************************************************************************