Useful for x86_64 and ia32 platforms, this utility allows one to read/write the
MSR (machine state registers) on this processor architecture.
Index: feeds/packages/utils/msr-tools/patches/100-multiprocessor.patch
===================================================================
--- feeds/packages/utils/msr-tools/patches/100-multiprocessor.patch
(revision 0)
+++ feeds/packages/utils/msr-tools/patches/100-multiprocessor.patch
(revision 0)
@@ -0,0 +1,28 @@
+--- msr-tools-1.1.2/wrmsr.c.orig 2004-07-20 09:54:59.000000000 -0600
++++ msr-tools-1.1.2/wrmsr.c 2011-12-27 14:07:24.505887313 -0700
+@@ -90,7 +90,11 @@ int main(int argc, char *argv[])
+
+ reg = strtoul(argv[optind++], NULL, 0);
+
++#ifdef SMP
+ sprintf(msr_file_name, "/dev/cpu/%d/msr", cpu);
++#else
++ sprintf(msr_file_name, "/dev/msr%d", cpu);
++#endif
+ fd = open(msr_file_name, O_WRONLY);
+ if ( fd < 0 ) {
+ if ( errno == ENXIO ) {
+--- msr-tools-1.1.2/rdmsr.c.orig 2004-07-20 09:54:59.000000000 -0600
++++ msr-tools-1.1.2/rdmsr.c 2011-12-27 14:06:37.831584784 -0700
+@@ -167,7 +167,11 @@ int main(int argc, char *argv[])
+
+ reg = strtoul(argv[optind], NULL, 0);
+
++#ifdef SMP
+ sprintf(msr_file_name, "/dev/cpu/%d/msr", cpu);
++#else
++ sprintf(msr_file_name, "/dev/msr%d", cpu);
++#endif
+ fd = open(msr_file_name, O_RDONLY);
+ if ( fd < 0 ) {
+ if ( errno == ENXIO ) {
Index: feeds/packages/utils/msr-tools/Makefile
===================================================================
--- feeds/packages/utils/msr-tools/Makefile (revision 0)
+++ feeds/packages/utils/msr-tools/Makefile (revision 0)
@@ -0,0 +1,54 @@
+#
+# Copyright (C) 2011 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=msr-tools
+PKG_VERSION:=1.1.2
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=http://www.kernel.org/pub/linux/utils/cpu/msr-tools
+PKG_MD5SUM:=2452d2233556aa0fb8b53208361a2c94
+
+include $(INCLUDE_DIR)/package.mk
+
+TARGET_CFLAGS += -fomit-frame-pointer -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64
+
+define Package/msr-tools
+ SECTION:=utils
+ CATEGORY:=Utilities
+ DEPENDS:=
+ TITLE:=x86 MSR utilities.
+ URL:=http://www.kernel.org/pub/linux/utils/cpu/msr-tools
+ SUBMENU:=CPU tools
+endef
+
+define Package/msr-tools/description
+ Manipulate the MSR (machine state registers) on i386 and x86_64
+ processors.
+endef
+
+define Build/Configure
+endef
+
+define Build/Compile
+ $(INSTALL_DIR) "$(PKG_INSTALL_DIR)/usr/sbin"
+ $(MAKE) -C $(PKG_BUILD_DIR) all \
+ $(TARGET_CONFIGURE_OPTS) \
+ sbindir="$(PKG_INSTALL_DIR)/usr/sbin" \
+ CFLAGS="$(TARGET_CFLAGS)" \
+ LDFLAGS="" \
+ install
+endef
+
+define Package/msr-tools/install
+ $(INSTALL_DIR) $(1)/usr/sbin/
+ $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/* $(1)/usr/sbin/
+endef
+
+$(eval $(call BuildPackage,msr-tools))
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