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intel_reg: support platforms without sys/io.h

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Based on an idea from Jani Nikula.

Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Derek Morton <derek.j.morton@intel.com>
Signed-off-by: Thomas Wood <thomas.wood@intel.com>
This commit is contained in:
Thomas Wood 2015-07-16 11:41:32 +01:00
parent 0705ce6d15
commit 80f1553780
2 changed files with 17 additions and 2 deletions
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2
configure.ac
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@ -56,7 +56,7 @@ AM_CONDITIONAL(HAVE_RST2MAN, [test "x$RST2MAN" = xyes])
# Checks for functions, headers, structures, etc.
AC_HEADER_STDC
AC_CHECK_HEADERS([termios.h linux/kd.h sys/kd.h libgen.h])
AC_CHECK_HEADERS([termios.h linux/kd.h sys/kd.h libgen.h sys/io.h])
AC_CHECK_MEMBERS([struct sysinfo.totalram],[],[],[AC_INCLUDES_DEFAULT
#include <sys/sysinfo.h>
])

17
tools/intel_reg.c
View File

@ -28,7 +28,6 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/io.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
@ -38,6 +37,22 @@
#include "intel_reg_spec.h"
#ifdef HAVE_SYS_IO_H
#include <sys/io.h>
#else
static inline int _not_supported(void)
{
fprintf(stderr, "portio-vga not supported\n");
exit(EXIT_FAILURE);
}
#define inb(port) _not_supported()
#define outb(value, port) _not_supported()
#define iopl(level)
#endif /* HAVE_SYS_IO_H */
struct config {
struct pci_device *pci_dev;
char *mmiofile;