[Buildroot] [PATCH 8/9] boot/syslinux: add option to install the EFI image
Yann E. MORIN
yann.morin.1998 at free.fr
Thu Apr 24 22:30:03 UTC 2014
From: "Yann E. MORIN" <yann.morin.1998 at free.fr>
syslinux can now also build an EFI application.
If the target is 64-bit, we build the 64-bit EFI app,
otherwise we build the 32-bit EFI app.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Cc: Frank Hunleth <fhunleth at troodon-software.com>
---
boot/syslinux/Config.in | 24 +++++++++++++-
.../syslinux-000-user-headers-from-sysroot.patch | 37 ++++++++++++++++++++++
boot/syslinux/syslinux.mk | 21 ++++++++++--
3 files changed, 78 insertions(+), 4 deletions(-)
create mode 100644 boot/syslinux/syslinux-000-user-headers-from-sysroot.patch
diff --git a/boot/syslinux/Config.in b/boot/syslinux/Config.in
index b92f28f..d556c55 100644
--- a/boot/syslinux/Config.in
+++ b/boot/syslinux/Config.in
@@ -2,7 +2,6 @@ config BR2_TARGET_SYSLINUX
bool "syslinux"
depends on BR2_i386 || BR2_x86_64
select BR2_HOSTARCH_NEEDS_IA32_COMPILER
- select BR2_TARGET_SYSLINUX_ISOLINUX if !BR2_TARGET_SYSLINUX_PXELINUX
help
The syslinux bootloader for x86 systems.
This includes: syslinux, pxelinux, extlinux.
@@ -11,6 +10,27 @@ config BR2_TARGET_SYSLINUX
if BR2_TARGET_SYSLINUX
+choice
+ bool "Image type"
+
+config BR2_TARGET_SYSLINUX_LEGACY_BIOS
+ bool "bios (legacy)"
+ select BR2_TARGET_SYSLINUX_ISOLINUX if !BR2_TARGET_SYSLINUX_PXELINUX
+ help
+ Install one or more of the the legacy BIOS images:
+ - isolinux
+ - pxelinux
+
+config BR2_TARGET_SYSLINUX_EFI
+ bool "efi"
+ select BR2_PACKAGE_GNU_EFI
+ help
+ Install the 'efi' image, to boot from an EFI environment.
+
+endchoice
+
+if BR2_TARGET_SYSLINUX_LEGACY_BIOS
+
config BR2_TARGET_SYSLINUX_ISOLINUX
bool "isolinux"
default y
@@ -24,4 +44,6 @@ config BR2_TARGET_SYSLINUX_PXELINUX
Install the legacy BIOS 'pxelinux' image, to boot off
the network using PXE.
+endif # BR2_TARGET_SYSLINUX_LEGACY_BIOS
+
endif # BR2_TARGET_SYSLINUX
diff --git a/boot/syslinux/syslinux-000-user-headers-from-sysroot.patch b/boot/syslinux/syslinux-000-user-headers-from-sysroot.patch
new file mode 100644
index 0000000..5edf79f
--- /dev/null
+++ b/boot/syslinux/syslinux-000-user-headers-from-sysroot.patch
@@ -0,0 +1,37 @@
+efi: look for headers and libs in the sysroot
+
+Currently, syslinux hard-codes search paths to /usr/.... directories.
+This does not play well in cross-compilation.
+
+If $SYSROOT is defined, prepend it to the search paths.
+
+Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
+
+diff -durN syslinux-6.02.orig/efi/find-gnu-efi.sh syslinux-6.02/efi/find-gnu-efi.sh
+--- syslinux-6.02.orig/efi/find-gnu-efi.sh 2013-10-13 19:59:03.000000000 +0200
++++ syslinux-6.02/efi/find-gnu-efi.sh 2014-04-22 00:19:23.638483887 +0200
+@@ -9,7 +9,7 @@
+ find_include()
+ {
+ for d in $include_dirs; do
+- found=`find $d -name efi -type d 2> /dev/null`
++ found=`find $SYSROOT$d -name efi -type d 2> /dev/null`
+ if [ "$found"x != "x" ] && [ -e $found/$ARCH/efibind.h ]; then
+ echo $found
+ break;
+@@ -20,12 +20,12 @@
+ find_lib()
+ {
+ for d in $lib_dirs; do
+- found=`find $d -name libgnuefi.a 2> /dev/null`
++ found=`find $SYSROOT$d -name libgnuefi.a 2> /dev/null`
+ if [ "$found"x != "x" ]; then
+ crt_name='crt0-efi-'$ARCH'.o'
+- crt=`find $d -name $crt_name 2> /dev/null`
++ crt=`find $SYSROOT$d -name $crt_name 2> /dev/null`
+ if [ "$crt"x != "x" ]; then
+- echo $d
++ echo $SYSROOT$d
+ break;
+ fi
+ fi
diff --git a/boot/syslinux/syslinux.mk b/boot/syslinux/syslinux.mk
index bec132f..bf0bae5 100644
--- a/boot/syslinux/syslinux.mk
+++ b/boot/syslinux/syslinux.mk
@@ -15,6 +15,20 @@ SYSLINUX_INSTALL_IMAGES = YES
SYSLINUX_DEPENDENCIES = host-nasm host-util-linux host-upx
+ifeq ($(BR2_TARGET_SYSLINUX_LEGACY_BIOS),y)
+SYSLINUX_TARGET = bios
+endif
+
+ifeq ($(BR2_TARGET_SYSLINUX_EFI),y)
+ifeq ($(BR2_ARCH_IS_64),y)
+SYSLINUX_EFI_BITS = efi64
+else
+SYSLINUX_EFI_BITS = efi32
+endif # 64-bit
+SYSLINUX_DEPENDENCIES += gnu-efi
+SYSLINUX_TARGET = $(SYSLINUX_EFI_BITS)
+endif # EFI
+
# The syslinux tarball comes with pre-compiled binaries.
# Since timestamps might not be in the correct order, a rebuild is
# not always triggered for all the different images.
@@ -30,7 +44,7 @@ SYSLINUX_POST_PATCH_HOOKS += SYSLINUX_CLEANUP
# be used.
define SYSLINUX_BUILD_CMDS
$(TARGET_MAKE_ENV) $(MAKE1) CC="$(HOSTCC) -idirafter $(HOST_DIR)/usr/include $(HOST_LDFLAGS)" \
- AR="$(HOSTAR)" -C $(@D) bios
+ AR="$(HOSTAR)" SYSROOT=$(STAGING_DIR) -C $(@D) $(SYSLINUX_TARGET)
endef
define SYSLINUX_INSTALL_TARGET_CMDS
@@ -40,12 +54,13 @@ define SYSLINUX_INSTALL_TARGET_CMDS
# Repeat CC and AR, since syslinux really wants to check them at
# install time
$(TARGET_MAKE_ENV) $(MAKE1) CC="$(HOSTCC) -idirafter $(HOST_DIR)/usr/include $(HOST_LDFLAGS)" \
- AR="$(HOSTAR)" INSTALLROOT=$(HOST_DIR) \
- -C $(@D) bios install
+ AR="$(HOSTAR)" SYSROOT=$(STAGING_DIR) INSTALLROOT=$(HOST_DIR) \
+ -C $(@D) $(SYSLINUX_TARGET) install
endef
SYSLINUX_IMAGES-$(BR2_TARGET_SYSLINUX_ISOLINUX) += bios/core/isolinux.bin
SYSLINUX_IMAGES-$(BR2_TARGET_SYSLINUX_PXELINUX) += bios/core/pxelinux.bin
+SYSLINUX_IMAGES-$(BR2_TARGET_SYSLINUX_EFI) += $(SYSLINUX_EFI_BITS)/efi/syslinux.efi
define SYSLINUX_INSTALL_IMAGES_CMDS
for i in $(SYSLINUX_IMAGES-y); do \
--
1.8.3.2
More information about the buildroot
mailing list