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From 4731e5c2fd12e1faf421d63b715c538d43c1dddb Mon Sep 17 00:00:00 2001
Message-Id: <4731e5c2fd12e1faf421d63b715c538d43c1dddb.1387298827.git.minovotn@redhat.com>
In-Reply-To: <3ed0fb61a3dc912ef036d7ef450bed192090709e.1387298827.git.minovotn@redhat.com>
References: <3ed0fb61a3dc912ef036d7ef450bed192090709e.1387298827.git.minovotn@redhat.com>
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Tue, 17 Dec 2013 15:18:15 +0100
Subject: [PATCH 33/56] acpi: add rules to compile ASL source

RH-Author: Michael S. Tsirkin <mst@redhat.com>
Message-id: <1387293161-4085-34-git-send-email-mst@redhat.com>
Patchwork-id: 56339
O-Subject: [PATCH qemu-kvm RHEL7.0 v2 33/57] acpi: add rules to compile ASL source
Bugzilla: 1034876
RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
RH-Acked-by: Marcel Apfelbaum <marcel.a@redhat.com>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>

Detect presence of IASL compiler and use it
to process ASL source. If not there, use pre-compiled
files in-tree. Add script to update the in-tree files.

Note: distros are known to silently update iasl
so detect correct iasl flags for the installed version on each run as
opposed to at configure time.

Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit a31a864273bb501851a4d52a366c645d06a53991)

Conflicts:
	configure
---
 configure              |  9 ++++++++-
 hw/i386/Makefile.objs  | 22 ++++++++++++++++++++++
 scripts/update-acpi.sh |  4 ++++
 3 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 scripts/update-acpi.sh

Signed-off-by: Michal Novotny <minovotn@redhat.com>
---
 configure              |  9 ++++++++-
 hw/i386/Makefile.objs  | 22 ++++++++++++++++++++++
 scripts/update-acpi.sh |  4 ++++
 3 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 scripts/update-acpi.sh

diff --git a/configure b/configure
index 1af1079..f86793d 100755
--- a/configure
+++ b/configure
@@ -119,6 +119,7 @@ path_of() {
 # default parameters
 source_path=`dirname "$0"`
 cpu=""
+iasl="iasl"
 interp_prefix="/usr/gnemul/qemu-%M"
 static="no"
 cross_prefix=""
@@ -252,6 +253,8 @@ for opt do
   ;;
   --cc=*) CC="$optarg"
   ;;
+  --iasl=*) iasl="$optarg"
+  ;;
   --source-path=*) source_path="$optarg"
   ;;
   --cpu=*) cpu="$optarg"
@@ -1074,6 +1077,7 @@ echo "Advanced options (experts only):"
 echo "  --source-path=PATH       path of source code [$source_path]"
 echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
 echo "  --cc=CC                  use C compiler CC [$cc]"
+echo "  --iasl=IASL              use ACPI compiler IASL [$iasl]"
 echo "  --host-cc=CC             use C compiler CC [$host_cc] for code run at"
 echo "                           build time"
 echo "  --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]"
@@ -4056,6 +4060,9 @@ else
 fi
 echo "PYTHON=$python" >> $config_host_mak
 echo "CC=$cc" >> $config_host_mak
+if $iasl -h > /dev/null 2>&1; then
+  echo "IASL=$iasl" >> $config_host_mak
+fi
 echo "CC_I386=$cc_i386" >> $config_host_mak
 echo "HOST_CC=$host_cc" >> $config_host_mak
 echo "OBJCC=$objcc" >> $config_host_mak
@@ -4544,7 +4551,7 @@ for rom in seabios vgabios ; do
     echo "BCC=bcc" >> $config_mak
     echo "CPP=$cpp" >> $config_mak
     echo "OBJCOPY=objcopy" >> $config_mak
-    echo "IASL=iasl" >> $config_mak
+    echo "IASL=$iasl" >> $config_mak
     echo "LD=$ld" >> $config_mak
 done
 
diff --git a/hw/i386/Makefile.objs b/hw/i386/Makefile.objs
index 205d22e..013d250 100644
--- a/hw/i386/Makefile.objs
+++ b/hw/i386/Makefile.objs
@@ -4,3 +4,25 @@ obj-y += pc.o pc_piix.o pc_q35.o
 obj-$(CONFIG_XEN) += xen_domainbuild.o xen_machine_pv.o
 
 obj-y += kvmvapic.o
+
+iasl-option=$(shell if test -z "`$(1) $(2) 2>&1 > /dev/null`" \
+    ; then echo "$(2)"; else echo "$(3)"; fi ;)
+
+ifdef IASL
+#IASL Present. Generate hex files from .dsl
+hw/i386/%.hex: $(SRC_PATH)/hw/i386/%.dsl $(SRC_PATH)/scripts/acpi_extract_preprocess.py $(SRC_PATH)/scripts/acpi_extract.py
+	$(call quiet-command, cpp -P $< -o $*.dsl.i.orig, "  CPP $(TARGET_DIR)$*.dsl.i.orig")
+	$(call quiet-command, $(PYTHON) $(SRC_PATH)/scripts/acpi_extract_preprocess.py $*.dsl.i.orig > $*.dsl.i, "  ACPI_PREPROCESS $(TARGET_DIR)$*.dsl.i")
+	$(call quiet-command, $(IASL) $(call iasl-option,$(IASL),-Pn,) -vs -l -tc -p $* $*.dsl.i $(if $(V), , > /dev/null) 2>&1 ,"  IASL $(TARGET_DIR)$*.dsl.i")
+	$(call quiet-command, $(SRC_PATH)/scripts/acpi_extract.py $*.lst > $*.off, "  ACPI_EXTRACT $(TARGET_DIR)$*.off")
+	$(call quiet-command, cat $*.off > $@, "  CAT $(TARGET_DIR)$@")
+else
+#IASL Not present. Restore pre-generated hex files.
+hw/i386/%.hex: $(SRC_PATH)/hw/i386/%.hex.generated
+	$(call quiet-command, cp -f $< $@, "  CP $(TARGET_DIR)$@")
+endif
+
+.PHONY: cleanhex
+cleanhex:
+	rm -f hw/i386/*hex
+clean: cleanhex
diff --git a/scripts/update-acpi.sh b/scripts/update-acpi.sh
new file mode 100644
index 0000000..b5f05ff
--- /dev/null
+++ b/scripts/update-acpi.sh
@@ -0,0 +1,4 @@
+cd x86_64-softmmu
+for file in hw/i386/*.hex; do
+    cp -f $file ../$file.generated
+done
-- 
1.7.11.7