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-rw-r--r--hwaccess.c11
-rw-r--r--os.h3
2 files changed, 13 insertions, 1 deletions
diff --git a/hwaccess.c b/hwaccess.c
index 528550d..1901ee6 100644
--- a/hwaccess.c
+++ b/hwaccess.c
@@ -33,12 +33,17 @@
#include "flash.h"
#include "hwaccess.h"
-#if !(IS_LINUX || IS_MACOSX || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) || defined(__DJGPP__) || defined(__LIBPAYLOAD__) || defined(__sun))
+#if !(IS_LINUX || IS_MACOSX || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) || defined(__DJGPP__) || defined(__LIBPAYLOAD__) || defined(__sun) || defined(__gnu_hurd__))
#error "Unknown operating system"
#endif
#define USE_IOPL (IS_LINUX || IS_MACOSX || defined(__NetBSD__) || defined(__OpenBSD__))
#define USE_DEV_IO (defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__))
+#define USE_IOPERM (defined(__gnu_hurd__))
+
+#if USE_IOPERM
+#include <sys/io.h>
+#endif
#if IS_X86 && USE_DEV_IO
int io_fd;
@@ -82,6 +87,8 @@ static int release_io_perms(void *p)
sysi86(SI86V86, V86SC_IOPL, 0);
#elif USE_DEV_IO
close(io_fd);
+#elif USE_IOPERM
+ ioperm(0, 65536, 0);
#elif USE_IOPL
iopl(0);
#endif
@@ -97,6 +104,8 @@ int rget_io_perms(void)
if (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) != 0) {
#elif USE_DEV_IO
if ((io_fd = open("/dev/io", O_RDWR)) < 0) {
+#elif USE_IOPERM
+ if (ioperm(0, 65536, 1) != 0) {
#elif USE_IOPL
if (iopl(3) != 0) {
#endif
diff --git a/os.h b/os.h
index e5f72e4..b59e087 100644
--- a/os.h
+++ b/os.h
@@ -56,6 +56,9 @@
// libpayload
#elif defined(__LIBPAYLOAD__)
#define __FLASHROM_OS__ "libpayload"
+// GNU Hurd
+#elif defined(__gnu_hurd__)
+#define __FLASHROM_OS__ "Hurd"
// Linux
#elif defined(__linux__)
// There are various flags in use on Android apparently. __ANDROID__ seems to be the most trustworthy.
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