mirror of
https://github.com/xen-project/xen.git
synced 2026-10-28 10:11:27 +01:00
Wei Liu
ae05efd989
Signed-off-by: Wei Liu <wei.liu2@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> (cherry picked from commits04c5efb0a1andf046e501bb) Apropos of discussion in "OVMF related osstest failures on multiple branches" http://lists.xenproject.org/archives/html/xen-devel/2016-01/msg00442.html We believe the older ovmf.git does not work when built with the gcc in Debian jessie. We do not know where this bug lies but we are fixing it by updating ovmf. We have decided that we are not in a position to review the changes to OVMF upstream, and ourselves decide what to cherry pick. Instead we will update the revision wholesale and use the xen.git stable branches' push gate. Conflicts: Config.mk Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com> (cherry picked from commits6c3c6ff9ecand1d3cc6e62c) Conflicts: Config.mk Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com> (cherry picked from commitee576d7110) Conflicts: Config.mk Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com> (cherry picked from commit6d2c41d676) In 4.3, old OVMF_UPSTREAM_REVISION was b0855f92 rather than cb9a7eba. I have pulled in the additional changes, willy-nilly. Conflicts: Config.mk Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
235 lines
8.0 KiB
Makefile
235 lines
8.0 KiB
Makefile
# -*- mode: Makefile; -*-
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ifeq ($(filter /%,$(XEN_ROOT)),)
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$(error XEN_ROOT must be absolute)
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endif
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# fallback for older make
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realpath = $(wildcard $(foreach file,$(1),$(shell cd -P $(dir $(file)) && echo "$$PWD/$(notdir $(file))")))
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-include $(XEN_ROOT)/.config
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# A debug build of Xen and tools?
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debug ?= n
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debug_symbols ?= $(debug)
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# Test coverage support
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coverage ?= n
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XEN_COMPILE_ARCH ?= $(shell uname -m | sed -e s/i.86/x86_32/ \
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-e s/i86pc/x86_32/ -e s/amd64/x86_64/ \
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-e s/armv7.*/arm32/ -e s/armv8.*/arm64/)
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XEN_TARGET_ARCH ?= $(XEN_COMPILE_ARCH)
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XEN_OS ?= $(shell uname -s)
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CONFIG_$(XEN_OS) := y
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SHELL ?= /bin/sh
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# Tools to run on system hosting the build
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HOSTCC = gcc
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HOSTCFLAGS = -Wall -Werror -Wstrict-prototypes -O2 -fomit-frame-pointer
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HOSTCFLAGS += -fno-strict-aliasing
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DISTDIR ?= $(XEN_ROOT)/dist
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DESTDIR ?= /
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# Allow phony attribute to be listed as dependency rather than fake target
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.PHONY: .phony
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# Use Clang/LLVM instead of GCC?
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clang ?= n
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ifeq ($(clang),n)
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gcc := y
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else
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gcc := n
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endif
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include $(XEN_ROOT)/config/$(XEN_OS).mk
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include $(XEN_ROOT)/config/$(XEN_TARGET_ARCH).mk
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SHAREDIR ?= $(PREFIX)/share
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DOCDIR ?= $(SHAREDIR)/doc/xen
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MANDIR ?= $(SHAREDIR)/man
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BASH_COMPLETION_DIR ?= $(CONFIG_DIR)/bash_completion.d
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# arguments: variable, common path part, path to test, if yes, if no
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define setvar_dir
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ifndef $(1)
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ifneq (,$(wildcard $(2)$(3)))
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$(1) ?= $(2)$(4)
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else
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$(1) ?= $(2)$(5)
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endif
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endif
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endef
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# See distro_mapping.txt for other options
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$(eval $(call setvar_dir,CONFIG_LEAF_DIR,,/etc/sysconfig,sysconfig,default))
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$(eval $(call setvar_dir,SUBSYS_DIR,/var/run,/subsys,/subsys,))
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$(eval $(call setvar_dir,INITD_DIR,/etc,/rc.d/init.d,/rc.d/init.d,/init.d))
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ifneq ($(EXTRA_PREFIX),)
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EXTRA_INCLUDES += $(EXTRA_PREFIX)/include
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EXTRA_LIB += $(EXTRA_PREFIX)/lib
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endif
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PYTHON ?= python
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PYTHON_PREFIX_ARG ?= --prefix="$(PREFIX)"
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# The above requires that PREFIX contains *no spaces*. This variable is here
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# to permit the user to set PYTHON_PREFIX_ARG to '' to workaround this bug:
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# https://bugs.launchpad.net/ubuntu/+bug/362570
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# cc-option: Check if compiler supports first option, else fall back to second.
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#
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# This is complicated by the fact that unrecognised -Wno-* options:
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# (a) are ignored unless the compilation emits a warning; and
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# (b) even then produce a warning rather than an error
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# To handle this we do a test compile, passing the option-under-test, on a code
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# fragment that will always produce a warning (integer assigned to pointer).
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# We then grep for the option-under-test in the compiler's output, the presence
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# of which would indicate an "unrecognized command-line option" warning/error.
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#
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# Usage: cflags-y += $(call cc-option,$(CC),-march=winchip-c6,-march=i586)
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cc-option = $(shell if test -z "`echo 'void*p=1;' | \
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$(1) $(2) -S -o /dev/null -xc - 2>&1 | grep -- $(2) -`"; \
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then echo "$(2)"; else echo "$(3)"; fi ;)
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# cc-option-add: Add an option to compilation flags, but only if supported.
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# Usage: $(call cc-option-add CFLAGS,CC,-march=winchip-c6)
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cc-option-add = $(eval $(call cc-option-add-closure,$(1),$(2),$(3)))
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define cc-option-add-closure
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ifneq ($$(call cc-option,$$($(2)),$(3),n),n)
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$(1) += $(3)
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endif
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endef
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cc-options-add = $(foreach o,$(3),$(call cc-option-add,$(1),$(2),$(o)))
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# cc-ver: Check compiler is at least specified version. Return boolean 'y'/'n'.
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# Usage: ifeq ($(call cc-ver,$(CC),0x030400),y)
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cc-ver = $(shell if [ $$((`$(1) -dumpversion | awk -F. \
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'{ printf "0x%02x%02x%02x", $$1, $$2, $$3}'`)) -ge $$(($(2))) ]; \
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then echo y; else echo n; fi ;)
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# cc-ver-check: Check compiler is at least specified version, else fail.
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# Usage: $(call cc-ver-check,CC,0x030400,"Require at least gcc-3.4")
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cc-ver-check = $(eval $(call cc-ver-check-closure,$(1),$(2),$(3)))
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define cc-ver-check-closure
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ifeq ($$(call cc-ver,$$($(1)),$(2)),n)
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override $(1) = echo "*** FATAL BUILD ERROR: "$(3) >&2; exit 1;
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cc-option := n
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endif
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endef
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# Require GCC v4.1+
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check-$(gcc) = $(call cc-ver-check,CC,0x040100,"Xen requires at least gcc-4.1")
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$(eval $(check-y))
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define buildmakevars2shellvars
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export PREFIX="$(PREFIX)"; \
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export XEN_SCRIPT_DIR="$(XEN_SCRIPT_DIR)"; \
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export XEN_ROOT="$(XEN_ROOT)"
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endef
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#
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# Compare $(1) and $(2) and replace $(2) with $(1) if they differ
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#
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# Typically $(1) is a newly generated file and $(2) is the target file
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# being regenerated. This prevents changing the timestamp of $(2) only
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# due to being auto regenereated with the same contents.
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define move-if-changed
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if ! cmp -s $(1) $(2); then mv -f $(1) $(2); else rm -f $(1); fi
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endef
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buildmakevars2file = $(eval $(call buildmakevars2file-closure,$(1)))
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define buildmakevars2file-closure
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.PHONY: genpath
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genpath:
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rm -f $(1).tmp; \
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$(foreach var, \
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SBINDIR BINDIR LIBEXEC LIBDIR SHAREDIR PRIVATE_BINDIR \
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XENFIRMWAREDIR XEN_CONFIG_DIR XEN_SCRIPT_DIR XEN_LOCK_DIR \
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XEN_RUN_DIR XEN_PAGING_DIR, \
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echo "$(var)=\"$($(var))\"" >>$(1).tmp;) \
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$(call move-if-changed,$(1).tmp,$(1))
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endef
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ifeq ($(debug_symbols),y)
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CFLAGS += -g
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endif
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CFLAGS += -fno-strict-aliasing
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CFLAGS += -std=gnu99
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CFLAGS += -Wall -Wstrict-prototypes
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# Clang complains about macros that expand to 'if ( ( foo == bar ) ) ...'
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# and is over-zealous with the printf format lint
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# and is a bit too fierce about unused return values
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CFLAGS-$(clang) += -Wno-parentheses -Wno-format -Wno-unused-value
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$(call cc-option-add,HOSTCFLAGS,HOSTCC,-Wdeclaration-after-statement)
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$(call cc-option-add,CFLAGS,CC,-Wdeclaration-after-statement)
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$(call cc-option-add,CFLAGS,CC,-Wno-unused-but-set-variable)
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$(call cc-option-add,CFLAGS,CC,-Wno-unused-local-typedefs)
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LDFLAGS += $(foreach i, $(EXTRA_LIB), -L$(i))
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CFLAGS += $(foreach i, $(EXTRA_INCLUDES), -I$(i))
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LDFLAGS += $(foreach i, $(PREPEND_LIB), -L$(i))
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CFLAGS += $(foreach i, $(PREPEND_INCLUDES), -I$(i))
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APPEND_LDFLAGS += $(foreach i, $(APPEND_LIB), -L$(i))
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APPEND_CFLAGS += $(foreach i, $(APPEND_INCLUDES), -I$(i))
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EMBEDDED_EXTRA_CFLAGS := -nopie -fno-stack-protector -fno-stack-protector-all
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EMBEDDED_EXTRA_CFLAGS += -fno-exceptions
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# Enable XSM security module (by default, Flask).
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XSM_ENABLE ?= n
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FLASK_ENABLE ?= $(XSM_ENABLE)
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XEN_EXTFILES_URL=http://xenbits.xen.org/xen-extfiles
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# All the files at that location were downloaded from elsewhere on
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# the internet. The original download URL is preserved as a comment
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# near the place in the Xen Makefiles where the file is used.
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ifeq ($(GIT_HTTP),y)
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QEMU_REMOTE ?= http://xenbits.xen.org/git-http/qemu-xen-traditional.git
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else
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QEMU_REMOTE ?= git://xenbits.xen.org/qemu-xen-traditional.git
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endif
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ifeq ($(GIT_HTTP),y)
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OVMF_UPSTREAM_URL ?= http://xenbits.xen.org/git-http/ovmf.git
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QEMU_UPSTREAM_URL ?= http://xenbits.xen.org/git-http/qemu-xen.git
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SEABIOS_UPSTREAM_URL ?= http://xenbits.xen.org/git-http/seabios.git
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else
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OVMF_UPSTREAM_URL ?= git://xenbits.xen.org/ovmf.git
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QEMU_UPSTREAM_URL ?= git://xenbits.xen.org/qemu-xen.git
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SEABIOS_UPSTREAM_URL ?= git://xenbits.xen.org/seabios.git
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endif
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OVMF_UPSTREAM_REVISION ?= 52a99493cce88a9d4ec8a02d7f1bd1a1001ce60d
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QEMU_UPSTREAM_REVISION ?= qemu-xen-4.3.4
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SEABIOS_UPSTREAM_TAG ?= 3a28511b46f0c2af5fae1b6ed2b0c19d7913cee3
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# Wed Jun 26 16:30:45 2013 +0100
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# xen: Don't perform SMP setup.
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ETHERBOOT_NICS ?= rtl8139 8086100e
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# Specify which qemu-dm to use. This may be `ioemu' to use the old
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# Mercurial in-tree version, or a local directory, or a git URL.
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# CONFIG_QEMU ?= `pwd`/$(XEN_ROOT)/../qemu-xen.git
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CONFIG_QEMU ?= $(QEMU_REMOTE)
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QEMU_TAG ?= b96625e17169a7958575c2fb41499bb9ea2c212e
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# Mon Jan 4 15:34:29 2016 +0000
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# MSI-X: avoid array overrun upon MSI-X table writes
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# Short answer -- do not enable this unless you know what you are
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# doing and are prepared for some pain.
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CONFIG_TESTS ?= y
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