[S] Change in coreboot[master]: util: Fix compilation on musl-libc systems

[Fabian Groffen (Code Review)]

Fabian Groffen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/73358 )

Change subject: util: Fix compilation on musl-libc systems
......................................................................

util: Fix compilation on musl-libc systems

Add some includes, use linux guard instead of __GLIBC__ where
applicable.  Uses ioperm instead of deprecated iopl.

Signed-off-by: Fabian Groffen 
Change-Id: I99613007aa9feddcb1041f31085cdeb195ff7a68
---
M src/arch/x86/include/arch/mmio.h
M util/inteltool/inteltool.h
M util/superiotool/superiotool.c
M util/superiotool/superiotool.h
4 files changed, 25 insertions(+), 4 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/58/73358/1

diff --git a/src/arch/x86/include/arch/mmio.h b/src/arch/x86/include/arch/mmio.h
index c2aa0fb..b2a37a0 100644
--- a/src/arch/x86/include/arch/mmio.h
+++ b/src/arch/x86/include/arch/mmio.h
@@ -5,6 +5,10 @@

#include <stdint.h>

+#ifndef __always_inline
+#define __always_inline inline
+#endif
+
 static __always_inline uint8_t read8(const volatile void *addr)
 {
    return *((volatile uint8_t *)(addr));
diff --git a/util/inteltool/inteltool.h b/util/inteltool/inteltool.h
index 130e63c..490c70e 100644
--- a/util/inteltool/inteltool.h
+++ b/util/inteltool/inteltool.h
@@ -9,7 +9,7 @@

#include <stdint.h>

-#if defined(__GLIBC__)
+#if defined(linux)
 #include <sys/io.h>
 #endif
 #if (defined(__MACH__) && defined(__APPLE__))
diff --git a/util/superiotool/superiotool.c b/util/superiotool/superiotool.c
index ed18c13..bd1c345 100644
--- a/util/superiotool/superiotool.c
+++ b/util/superiotool/superiotool.c
@@ -324,8 +324,8 @@
    if ((io_fd = open("/dev/io", O_RDWR)) < 0) {
    	perror("/dev/io");
 #else
-	if (iopl(3) < 0) {
-		perror("iopl");
+	if (ioperm(0, 6000, 1) < 0) {
+		perror("ioperm");
 #endif
    	printf("Superiotool must be run as root.\n");
    	exit(1);
diff --git a/util/superiotool/superiotool.h b/util/superiotool/superiotool.h
index a621ae5..1f6b3e95 100644
--- a/util/superiotool/superiotool.h
+++ b/util/superiotool/superiotool.h
@@ -8,7 +8,7 @@
 #include <stdint.h>
 #include <string.h>
 #include <getopt.h>
-#if defined(__GLIBC__)
+#if defined(linux)
 #include <sys/io.h>
 #endif
 #if (defined(__MACH__) && defined(__APPLE__))
@@ -24,6 +24,9 @@
 # endif
 #endif

+#include <sys/types.h>
+#include <stdint.h>
+
 #if defined(__FreeBSD__)
 #include <sys/types.h>
 #include <machine/cpufunc.h>
@@ -89,6 +92,7 @@
    __asm__ __volatile__ ("inl %1,%0":"=a" (value):"Nd" (port));
    return value;
 }
+
 #endif

#define USAGE "Usage: superiotool [-d] [-e] [-a] [-l] [-V] [-v] [-h]\n\n\