target-alpha: Add custom PALcode image for CLIPPER emulation.

Signed-off-by: Richard Henderson <rth@twiddle.net>

.gitmodules

@@ -13,3 +13,6 @@
 [submodule "roms/openbios"]
 	path = roms/openbios
 	url = git://git.qemu.org/openbios.git
+[submodule "roms/qemu-palcode"]
+	path = roms/qemu-palcode
+	url = git://repo.or.cz/qemu-palcode.git

Makefile

@@ -251,7 +251,8 @@ bamboo.dtb petalogix-s3adsp1800.dtb petalogix-ml605.dtb \
 mpc8544ds.dtb \
 multiboot.bin linuxboot.bin \
 s390-zipl.rom \
-spapr-rtas.bin slof.bin
+spapr-rtas.bin slof.bin \
+palcode-clipper
 else
 BLOBS=
 endif

configure

@@ -3618,7 +3618,13 @@ FILES="$FILES tests/cris/Makefile tests/cris/.gdbinit"
 FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
 FILES="$FILES pc-bios/spapr-rtas/Makefile"
 FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
-for bios_file in $source_path/pc-bios/*.bin $source_path/pc-bios/*.rom $source_path/pc-bios/*.dtb $source_path/pc-bios/openbios-*; do
+for bios_file in \
+    $source_path/pc-bios/*.bin \
+    $source_path/pc-bios/*.rom \
+    $source_path/pc-bios/*.dtb \
+    $source_path/pc-bios/openbios-* \
+    $source_path/pc-bios/palcode-*
+do
     FILES="$FILES pc-bios/`basename $bios_file`"
 done
 mkdir -p $DIRS

pc-bios/README

@@ -32,3 +32,6 @@
 - The S390 zipl loader is an addition to the official IBM s390-tools
   package. That fork is maintained in its own git repository at:
   git://repo.or.cz/s390-tools.git
+
+- The sources for the Alpha palcode image is available from:
+  git://repo.or.cz/qemu-palcode.git

roms/qemu-palcode

@@ -0,0 +1 @@
+Subproject commit 7abb12f60eb3069019e9497e193733d77d8f0722