1 files changed, 152 insertions, 0 deletions

diff --git a/recipes-extended/xen/stubdom.inc b/recipes-extended/xen/stubdom.inc
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index 00000000..bfc67527
--- /dev/null
+++ b/recipes-extended/xen/stubdom.inc
@@ -0,0 +1,152 @@
+# Copyright (C) 2017 Kurt Bodiker <kurt.bodiker@braintrust-us.com>
+# Released under the MIT license (see COPYING.MIT for the terms)
+
+COMPATIBLE_HOST = '(x86_64.*).*-linux'
+
+require xen-arch.inc
+
+# many of the xen stubdom related recipes build and package static instead of shared libraries
+EXCLUDE_FROM_SHLIBS = "1"
+
+# base set of dependencies to be used for xen stubdom recipes
+DEPENDS += "\
+    lwip \
+    mini-os \
+"
+
+# unset EVERYTHING from the OE environment.
+# Weird things happen when these are exported into the environment.
+unset CFLAGS
+unset BUILD_CFLAGS
+unset TARGET_CFLAGS
+unset CFLAGS_FOR_BUILD
+
+unset CPPFLAGS
+unset BUILD_CPPFLAGS
+unset TARGET_CPPFLAGS
+unset CPPFLAGS_FOR_BUILD
+
+unset LDFLAGS
+unset BUILD_LDFLAGS
+unset TARGET_LDFLAGS
+unset LDFLAGS_FOR_BUILD
+
+unset CXXFLAGS
+unset TARGET_CXXFLAGS
+unset BUILD_CXXFLAGS
+unset CXXFLAGS_FOR_BUILD
+
+unset BUILD_CC
+unset BUILD_CPP
+unset BUILD_CXX
+unset BUILD_LD
+unset BUILD_AR
+unset BUILD_AS
+unset BUILD_CCLD
+unset BUILD_FC
+unset BUILD_RANLIB
+unset BUILD_NM
+unset BUILD_STRIP
+unset BUILD_READELF
+unset BUILD_OBJCOPY
+unset BUILD_OBJDUMP
+unset CC
+unset CPP
+unset CXX
+unset LD
+unset AR
+unset AS
+unset NM
+unset RANLIB
+unset STRIP
+unset STRINGS
+unset READELF
+unset OBJCOPY
+unset OBJDUMP
+unset READELF
+unset CCLD
+unset FC
+
+# Provide support to build both 32-bit and 64-bit stubdoms
+python () {
+    gnu_dict = {
+            'x86_32': 'i686',
+            'x86_64': 'x86_64',
+        }
+
+    if d.expand('${XEN_TARGET_ARCH}') == 'x86_32':
+        d.setVar("GNU_TARGET_ARCH",gnu_dict[d.expand('${XEN_TARGET_ARCH}')])
+        d.setVar("PACKAGE_ARCH","core2-32")
+    elif d.expand('${XEN_TARGET_ARCH}') == 'x86_64':
+        d.setVar("GNU_TARGET_ARCH",gnu_dict[d.expand('${XEN_TARGET_ARCH}')])
+}
+
+export GNU_TARGET_ARCH
+export XEN_TARGET_ARCH="${@map_xen_arch(d.getVar('TARGET_ARCH'), d)}"
+export XEN_COMPILE_ARCH="${@map_xen_arch(d.getVar('BUILD_ARCH'), d)}"
+
+LWIP_SRCDIR = "${RECIPE_SYSROOT}/cross-root-${GNU_TARGET_ARCH}/lwip"
+MINIOS_SRCDIR = "${RECIPE_SYSROOT}/cross-root-${GNU_TARGET_ARCH}/mini-os"
+
+# Base set of CPPFLAGS, CFLAGS needed for each component used to build MiniOS-based stubdoms
+# LDFLAGS are only used when building stubdoms, so only used in stubdom recipes
+# Generic name given because each library uses DEF_, BUILD_, TARGET_, and xxxFLAGS differently
+CPPFLAGS_INCLUDE_DIR = "-isystem ${RECIPE_SYSROOT}/cross-root-${GNU_TARGET_ARCH}/${GNU_TARGET_ARCH}-xen-elf/include"
+
+STUBDOM_CPPFLAGS += "\
+    -isystem ${MINIOS_SRCDIR}/include \
+    -D__MINIOS__ \
+    -DHAVE_LIBC \
+    -isystem ${MINIOS_SRCDIR}/include/posix \
+    -isystem ${MINIOS_SRCDIR}/include/xen \
+    -isystem ${MINIOS_SRCDIR}/include/x86 \
+    -isystem ${MINIOS_SRCDIR}/include/x86/${XEN_TARGET_ARCH} \
+    -U __linux__ \
+    -U __FreeBSD__ \
+    -U __sun__ \
+    -nostdinc \
+    ${CPPFLAGS_INCLUDE_DIR} \
+    -isystem ${LWIP_SRCDIR}/include \
+    -isystem ${LWIP_SRCDIR}/include/ipv4 \
+"
+
+STUBDOM_CFLAGS += "\
+    -mno-red-zone \
+    -O1 \
+    -fno-omit-frame-pointer \
+    -m64 \
+    -fno-reorder-blocks \
+    -fno-asynchronous-unwind-tables \
+    -DBUILD_ID \
+    -fno-strict-aliasing \
+    -std=gnu99 \
+    -Wall \
+    -Wstrict-prototypes \
+    -Wdeclaration-after-statement \
+    -Wno-unused-but-set-variable \
+    -Wno-unused-local-typedefs \
+    -fno-stack-protector \
+    -fno-exceptions \
+"
+
+STUBDOM_LDFLAGS = "\
+    -nostdlib \
+    -L${RECIPE_SYSROOT}/cross-root-${GNU_TARGET_ARCH}/${GNU_TARGET_ARCH}-xen-elf/lib \
+"
+
+# Need to redefine these for stubdom-related builds. It all starts because of
+# the prefix used in newlib and then continues because we don't want to
+# cross-contaminate stubdom-related recipes with headers and libraries found in
+# the OE-defined locations
+export prefix="/cross-root-${GNU_TARGET_ARCH}"
+export includedir="${prefix}/${GNU_TARGET_ARCH}-xen-elf/include"
+export libdir="${prefix}/${GNU_TARGET_ARCH}-xen-elf/lib"
+export libexecdir="${libdir}"
+export STAGING_INCDIR
+export STAGING_LIBDIR
+
+# Typically defined in Xen and Minios .mk files that aren't sourced/read,
+# defined to trigger some values and paths in Makefiles
+export debug="y"
+export stubdom="y"
+export XEN_OS="MiniOS"