[Xen-devel] [PATCH v3] tools: allow user to specify a system seabios binary

[Fabio Fantoni <fabio.fantoni@xxxxxxx>]

If this option is given don't bother building seabios ourselves.
Likely to be handy for distros who have an existing seabios
package which they want to reuse.

Signed-off-by: Fabio Fantoni <fabio.fantoni@xxxxxxx>
---
 config/Tools.mk.in                |    1 +
 tools/configure                   |   18 ++++++++++++++++++
 tools/configure.ac                |   11 +++++++++++
 tools/firmware/Makefile           |    2 ++
 tools/firmware/hvmloader/Makefile |    6 +++++-
 5 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/config/Tools.mk.in b/config/Tools.mk.in
index e388e42..67f5782 100644
--- a/config/Tools.mk.in
+++ b/config/Tools.mk.in
@@ -23,6 +23,7 @@ LD86                := @LD86@
 BCC                 := @BCC@
 IASL                := @IASL@
 FETCHER             := @FETCHER@
+SEABIOS_PATH        := @seabios_path@
 
 # Extra folder for libs/includes
 PREPEND_INCLUDES    := @PREPEND_INCLUDES@
diff --git a/tools/configure b/tools/configure
index 4be39fc..d916cb6 100755
--- a/tools/configure
+++ b/tools/configure
@@ -654,6 +654,7 @@ APPEND_LIB
 APPEND_INCLUDES
 PREPEND_LIB
 PREPEND_INCLUDES
+seabios_path
 qemu_xen
 qemu_traditional
 blktap1
@@ -738,6 +739,7 @@ enable_xend
 enable_blktap1
 enable_qemu_traditional
 with_system_qemu
+with_system_seabios
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1409,6 +1411,9 @@ Optional Packages:
                           Use system supplied qemu PATH or qemu (taken from
                           $PATH) as qemu-xen device model instead of building
                           and installing our own version
+  --with-system-seabios[=PATH]
+                          Use system supplied seabios PATH instead of building
+                          and installing our own version
 
 Some influential environment variables:
   CC          C compiler command
@@ -3727,6 +3732,19 @@ fi
 
 
 
+# Check whether --with-system-seabios was given.
+if test "${with_system_seabios+set}" = set; then :
+  withval=$with_system_seabios;
+    case $withval in
+        no) seabios_path= ;;
+        *)  seabios_path=$withval ;;
+    esac
+
+fi
+
+
+
+
 
 
 
diff --git a/tools/configure.ac b/tools/configure.ac
index 1f57681..2e57bfc 100644
--- a/tools/configure.ac
+++ b/tools/configure.ac
@@ -97,6 +97,17 @@ AS_IF([test "x$qemu_xen" = "xn"], [
 ])
 AC_SUBST(qemu_xen)
 
+AC_ARG_WITH([system-seabios],
+    AS_HELP_STRING([--with-system-seabios@<:@=PATH@:>@],
+       [Use system supplied seabios PATH instead of building and installing
+        our own version]),[
+    case $withval in
+        no) seabios_path= ;;
+        *)  seabios_path=$withval ;;
+    esac
+],[])
+AC_SUBST(seabios_path)
+
 AC_ARG_VAR([PREPEND_INCLUDES],
     [List of include folders to prepend to CFLAGS (without -I)])
 AC_ARG_VAR([PREPEND_LIB],
diff --git a/tools/firmware/Makefile b/tools/firmware/Makefile
index aff8e56..f064765 100644
--- a/tools/firmware/Makefile
+++ b/tools/firmware/Makefile
@@ -7,7 +7,9 @@ INST_DIR := $(DESTDIR)$(XENFIRMWAREDIR)
 
 SUBDIRS-y :=
 SUBDIRS-$(CONFIG_OVMF) += ovmf
+ifeq ($(SEABIOS_PATH),)
 SUBDIRS-$(CONFIG_SEABIOS) += seabios-dir
+endif
 SUBDIRS-$(CONFIG_ROMBIOS) += rombios
 SUBDIRS-$(CONFIG_ROMBIOS) += vgabios
 SUBDIRS-$(CONFIG_ROMBIOS) += etherboot
diff --git a/tools/firmware/hvmloader/Makefile 
b/tools/firmware/hvmloader/Makefile
index c6e7376..8ab1429 100644
--- a/tools/firmware/hvmloader/Makefile
+++ b/tools/firmware/hvmloader/Makefile
@@ -70,7 +70,11 @@ endif
 ifeq ($(CONFIG_SEABIOS),y)
 OBJS += seabios.o
 CFLAGS += -DENABLE_SEABIOS
-SEABIOS_ROM := $(SEABIOS_DIR)/out/bios.bin
+ifeq ($(SEABIOS_PATH),)
+       SEABIOS_ROM := $(SEABIOS_DIR)/out/bios.bin
+else
+       SEABIOS_ROM := $(SEABIOS_PATH)
+endif
 ROMS += $(SEABIOS_ROM)
 endif
 
-- 
1.7.9.5


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