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[Qemu-devel] [PATCH V7 04/13] Add tpm_tis driver to build process


From: Stefan Berger
Subject: [Qemu-devel] [PATCH V7 04/13] Add tpm_tis driver to build process
Date: Wed, 10 Aug 2011 15:29:23 -0400
User-agent: quilt/0.48-1

The TPM interface (tpm_tis) needs to be explicitly enabled via
./configure --enable-tpm. This patch also restricts the building of the
TPM support to i386 and x86_64 targets since only there it is currently
supported. This prevents that one will end up with support for a frontend
but no available backend.

v3:
 - fixed and moved hunks in Makefile.target into right place

Signed-off-by: Stefan Berger <address@hidden>

Index:qemu/Makefile.target
===================================================================
---
 Makefile.target |    1 +
 configure       |   20 ++++++++++++++++++++
 2 files changed, 21 insertions(+)

Index: qemu-git/Makefile.target
===================================================================
--- qemu-git.orig/Makefile.target
+++ qemu-git/Makefile.target
@@ -233,6 +233,7 @@ obj-i386-y += debugcon.o multiboot.o
 obj-i386-y += pc_piix.o
 obj-i386-$(CONFIG_KVM) += kvmclock.o
 obj-i386-$(CONFIG_SPICE) += qxl.o qxl-logger.o qxl-render.o
+obj-i386-$(CONFIG_TPM) += tpm_tis.o
 
 # shared objects
 obj-ppc-y = ppc.o
Index: qemu-git/configure
===================================================================
--- qemu-git.orig/configure
+++ qemu-git/configure
@@ -182,6 +182,7 @@ usb_redir=""
 opengl=""
 zlib="yes"
 guest_agent="yes"
+tpm="no"
 
 # parse CC options first
 for opt do
@@ -762,6 +763,8 @@ for opt do
   ;;
   --disable-guest-agent) guest_agent="no"
   ;;
+  --enable-tpm) tpm="yes"
+  ;;
   *) echo "ERROR: unknown option $opt"; show_help="yes"
   ;;
   esac
@@ -1041,6 +1044,7 @@ echo "  --disable-usb-redir      disable
 echo "  --enable-usb-redir       enable usb network redirection support"
 echo "  --disable-guest-agent    disable building of the QEMU Guest Agent"
 echo "  --enable-guest-agent     enable building of the QEMU Guest Agent"
+echo "  --enable-tpm             enable an emulated TPM"
 echo ""
 echo "NOTE: The object files are built at the place where configure is 
launched"
 exit 1
@@ -2732,6 +2736,7 @@ echo "nss used          $smartcard_nss"
 echo "usb net redir     $usb_redir"
 echo "OpenGL support    $opengl"
 echo "build guest agent $guest_agent"
+echo "TPM support       $tpm"
 
 if test "$sdl_too_old" = "yes"; then
 echo "-> Your SDL version is too old - please upgrade to have SDL support"
@@ -3555,6 +3560,21 @@ if test "$gprof" = "yes" ; then
   fi
 fi
 
+if test "$tpm" = "yes"; then
+  has_tpm=0
+  if test "$target_softmmu" = "yes" ; then
+    case "$TARGET_BASE_ARCH" in
+    i386)
+      has_tpm=1
+    ;;
+    esac
+  fi
+
+  if test "$has_tpm" = "1"; then
+      echo "CONFIG_TPM=y" >> $config_host_mak
+  fi
+fi
+
 linker_script="-Wl,-T../config-host.ld -Wl,-T,\$(SRC_PATH)/\$(ARCH).ld"
 if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
   case "$ARCH" in




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