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[kvm-ia64-devel] [16/17] [PATCH] kvm:ia64 Enable kvm build for ia64
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From: Zhang, X. <xia...@in...> - 2008-03-28 09:59:04
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>From 0639faa4a3347771e793e33652667272cc140240 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <xia...@in...>
Date: Fri, 28 Mar 2008 14:58:47 +0800
Subject: [PATCH] kvm:ia64 Enable kvm build for ia64
Update the related Makefile and KConfig for kvm build
Signed-off-by: Xiantao Zhang <xia...@in...>
---
arch/ia64/Kconfig | 3 ++
arch/ia64/Makefile | 1 +
arch/ia64/kvm/Kconfig | 46 ++++++++++++++++++++++++++++++++++++
arch/ia64/kvm/Makefile | 61
++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 111 insertions(+), 0 deletions(-)
create mode 100644 arch/ia64/kvm/Kconfig
create mode 100644 arch/ia64/kvm/Makefile
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 8fa3faf..a7bb62e 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -19,6 +19,7 @@ config IA64
select HAVE_OPROFILE
select HAVE_KPROBES
select HAVE_KRETPROBES
+ select HAVE_KVM
default y
help
The Itanium Processor Family is Intel's 64-bit successor to
@@ -589,6 +590,8 @@ config MSPEC
source "fs/Kconfig"
+source "arch/ia64/kvm/Kconfig"
+
source "lib/Kconfig"
#
diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
index f1645c4..ec4cca4 100644
--- a/arch/ia64/Makefile
+++ b/arch/ia64/Makefile
@@ -57,6 +57,7 @@ core-$(CONFIG_IA64_GENERIC) += arch/ia64/dig/
core-$(CONFIG_IA64_HP_ZX1) += arch/ia64/dig/
core-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/dig/
core-$(CONFIG_IA64_SGI_SN2) += arch/ia64/sn/
+core-$(CONFIG_KVM) += arch/ia64/kvm/
drivers-$(CONFIG_PCI) += arch/ia64/pci/
drivers-$(CONFIG_IA64_HP_SIM) += arch/ia64/hp/sim/
diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig
new file mode 100644
index 0000000..d2e54b9
--- /dev/null
+++ b/arch/ia64/kvm/Kconfig
@@ -0,0 +1,46 @@
+#
+# KVM configuration
+#
+config HAVE_KVM
+ bool
+
+menuconfig VIRTUALIZATION
+ bool "Virtualization"
+ depends on HAVE_KVM || IA64
+ default y
+ ---help---
+ Say Y here to get to see options for using your Linux host to
run other
+ operating systems inside virtual machines (guests).
+ This option alone does not add any kernel code.
+
+ If you say N, all options in this submenu will be skipped and
disabled.
+
+if VIRTUALIZATION
+
+config KVM
+ tristate "Kernel-based Virtual Machine (KVM) support"
+ depends on HAVE_KVM && EXPERIMENTAL
+ select PREEMPT_NOTIFIERS
+ select ANON_INODES
+ ---help---
+ Support hosting fully virtualized guest machines using
hardware
+ virtualization extensions. You will need a fairly recent
+ processor equipped with virtualization extensions. You will
also
+ need to select one or more of the processor modules below.
+
+ This module provides access to the hardware capabilities
through
+ a character device node named /dev/kvm.
+
+ To compile this as a module, choose M here: the module
+ will be called kvm.
+
+ If unsure, say N.
+
+config KVM_INTEL
+ tristate "KVM for Intel Itanium 2 processors support"
+ depends on KVM && m
+ ---help---
+ Provides support for KVM on Itanium 2 processors equipped with
the VT
+ extensions.
+
+endif # VIRTUALIZATION
diff --git a/arch/ia64/kvm/Makefile b/arch/ia64/kvm/Makefile
new file mode 100644
index 0000000..cde7d8e
--- /dev/null
+++ b/arch/ia64/kvm/Makefile
@@ -0,0 +1,61 @@
+#This Make file is to generate asm-offsets.h and build source.
+#
+
+#Generate asm-offsets.h for vmm module build
+offsets-file := asm-offsets.h
+
+always := $(offsets-file)
+targets := $(offsets-file)
+targets += arch/ia64/kvm/asm-offsets.s
+clean-files := $(addprefix $(objtree)/,$(targets) $(obj)/memcpy.S
$(obj)/memset.S)
+
+# Default sed regexp - multiline due to syntax constraints
+define sed-y
+ "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /*
\3 */:; s:->::; p;}"
+endef
+
+quiet_cmd_offsets = GEN $@
+define cmd_offsets
+ (set -e; \
+ echo "#ifndef __ASM_KVM_OFFSETS_H__"; \
+ echo "#define __ASM_KVM_OFFSETS_H__"; \
+ echo "/*"; \
+ echo " * DO NOT MODIFY."; \
+ echo " *"; \
+ echo " * This file was generated by Makefile"; \
+ echo " *"; \
+ echo " */"; \
+ echo ""; \
+ sed -ne $(sed-y) $<; \
+ echo ""; \
+ echo "#endif" ) > $@
+endef
+# We use internal rules to avoid the "is up to date" message from make
+arch/ia64/kvm/asm-offsets.s: arch/ia64/kvm/asm-offsets.c
+ $(call if_changed_dep,cc_s_c)
+
+$(obj)/$(offsets-file): arch/ia64/kvm/asm-offsets.s
+ $(call cmd,offsets)
+
+#
+# Makefile for Kernel-based Virtual Machine module
+#
+
+EXTRA_CFLAGS += -Ivirt/kvm -Iarch/ia64/kvm/
+
+$(addprefix $(objtree)/,$(obj)/memcpy.S $(obj)/memset.S):
+ $(shell ln -snf ../lib/memcpy.S $(src)/memcpy.S)
+ $(shell ln -snf ../lib/memset.S $(src)/memset.S)
+
+common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o)
+
+kvm-objs := $(common-objs) kvm_ia64.o kvm_fw.o
+obj-$(CONFIG_KVM) += kvm.o
+
+FORCE : $(obj)/$(offsets-file)
+EXTRA_CFLAGS_vcpu.o += -mfixed-range=f2-f5,f12-f127
+kvm-intel-objs = vmm.o vmm_ivt.o trampoline.o vcpu.o optvfault.o mmio.o
\
+ vtlb.o process.o
+#Add link memcpy and memset to avoid possible structure assignment
error
+kvm-intel-objs += memset.o memcpy.o
+obj-$(CONFIG_KVM_INTEL) += kvm-intel.o
--
1.5.2
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