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-rw-r--r--util/nvramtool/cmos_lowlevel.c46
-rw-r--r--util/nvramtool/common.h19
2 files changed, 58 insertions, 7 deletions
diff --git a/util/nvramtool/cmos_lowlevel.c b/util/nvramtool/cmos_lowlevel.c
index 9ad6891d0c..b5e8dee9b2 100644
--- a/util/nvramtool/cmos_lowlevel.c
+++ b/util/nvramtool/cmos_lowlevel.c
@@ -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
}
/****************************************************************************
diff --git a/util/nvramtool/common.h b/util/nvramtool/common.h
index f262ea41ab..a247380bce 100644
--- a/util/nvramtool/common.h
+++ b/util/nvramtool/common.h
@@ -43,6 +43,25 @@
#include <string.h>
#include <ctype.h>
+#if defined(__FreeBSD__)
+#include <sys/types.h>
+#include <machine/cpufunc.h>
+#define OUTB(x, y) do { u_int tmp = (y); outb(tmp, (x)); } while (0)
+#define OUTW(x, y) do { u_int tmp = (y); outw(tmp, (x)); } while (0)
+#define OUTL(x, y) do { u_int tmp = (y); outl(tmp, (x)); } while (0)
+#define INB(x) __extension__ ({ u_int tmp = (x); inb(tmp); })
+#define INW(x) __extension__ ({ u_int tmp = (x); inw(tmp); })
+#define INL(x) __extension__ ({ u_int tmp = (x); inl(tmp); })
+#else
+#include <sys/io.h>
+#define OUTB outb
+#define OUTW outw
+#define OUTL outl
+#define INB inb
+#define INW inw
+#define INL inl
+#endif
+
#define FALSE 0
#define TRUE 1