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-rw-r--r--payloads/Makefile.inc1
-rw-r--r--payloads/external/.gitignore2
-rw-r--r--payloads/external/Makefile.inc7
-rw-r--r--payloads/external/skiboot/Kconfig21
-rw-r--r--payloads/external/skiboot/Kconfig.name8
-rw-r--r--payloads/external/skiboot/Makefile36
6 files changed, 75 insertions, 0 deletions
diff --git a/payloads/Makefile.inc b/payloads/Makefile.inc
index 83194c2ec5..a182bd65ad 100644
--- a/payloads/Makefile.inc
+++ b/payloads/Makefile.inc
@@ -28,6 +28,7 @@ payloads/external/tianocore \
payloads/external/GRUB2 \
payloads/external/LinuxBoot \
payloads/external/Yabits \
+payloads/external/skiboot \
force-payload:
diff --git a/payloads/external/.gitignore b/payloads/external/.gitignore
index ebca42908b..9aaa95c038 100644
--- a/payloads/external/.gitignore
+++ b/payloads/external/.gitignore
@@ -8,3 +8,5 @@ tint/tint/
U-Boot/u-boot/
Memtest86Plus/memtest86plus/
iPXE/ipxe/
+skiboot/skiboot
+skiboot/build
diff --git a/payloads/external/Makefile.inc b/payloads/external/Makefile.inc
index 072d8d120e..836dda2d3c 100644
--- a/payloads/external/Makefile.inc
+++ b/payloads/external/Makefile.inc
@@ -332,3 +332,10 @@ payloads/external/Yabits/uefi/build/uefi.elf yabits:
payloads/external/BOOTBOOT/bootboot/dist/bootbootcb.elf:
$(MAKE) -C payloads/external/BOOTBOOT all
+
+# skiboot
+
+payloads/external/skiboot/build/skiboot.elf:
+ $(MAKE) -C payloads/external/skiboot all \
+ CONFIG_SKIBOOT_GIT_REPO=$(CONFIG_SKIBOOT_GIT_REPO) \
+ CONFIG_SKIBOOT_REVISION=$(CONFIG_SKIBOOT_REVISION)
diff --git a/payloads/external/skiboot/Kconfig b/payloads/external/skiboot/Kconfig
new file mode 100644
index 0000000000..3198358ecb
--- /dev/null
+++ b/payloads/external/skiboot/Kconfig
@@ -0,0 +1,21 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+if PAYLOAD_SKIBOOT
+
+config PAYLOAD_FILE
+ default "payloads/external/skiboot/build/skiboot.elf"
+
+config SKIBOOT_GIT_REPO
+ string "Git repository of skiboot payload"
+ default "https://github.com/open-power/skiboot"
+ help
+ Git repository which will be used to clone skiboot.
+
+config SKIBOOT_REVISION
+ string "Revision of skiboot payload"
+ default "d93ddbd39b4eeac0bc11dacbdadea76df2996c13" if BOARD_EMULATION_QEMU_POWER9
+ help
+ Revision, that skiboot repository will be checked out to, before building
+ an image.
+
+endif # PAYLOAD_SKIBOOT
diff --git a/payloads/external/skiboot/Kconfig.name b/payloads/external/skiboot/Kconfig.name
new file mode 100644
index 0000000000..92d47e1782
--- /dev/null
+++ b/payloads/external/skiboot/Kconfig.name
@@ -0,0 +1,8 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+config PAYLOAD_SKIBOOT
+ bool "skiboot"
+ depends on ARCH_PPC64
+ help
+ Select this option if you want to build a coreboot image
+ with a skiboot payload.
diff --git a/payloads/external/skiboot/Makefile b/payloads/external/skiboot/Makefile
new file mode 100644
index 0000000000..5cf630ea25
--- /dev/null
+++ b/payloads/external/skiboot/Makefile
@@ -0,0 +1,36 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+build_dir=$(CURDIR)/build
+skiboot_dir=$(CURDIR)/skiboot
+skiboot_git_repo=$(CONFIG_SKIBOOT_GIT_REPO)
+skiboot_revision=$(CONFIG_SKIBOOT_REVISION)
+skiboot_elf=$(build_dir)/skiboot.elf
+skiboot_cross=$(or $(CROSS),powerpc64-linux-gnu-)
+
+unexport $(COREBOOT_EXPORTS)
+
+.PHONY: all clean distclean
+
+all: $(skiboot_elf)
+
+$(skiboot_elf): | $(skiboot_dir) $(build_dir)
+ +$(MAKE) -C $(skiboot_dir) CROSS="$(skiboot_cross)"
+ cp $(skiboot_dir)/skiboot.elf $@
+ # skiboot is always built with debug information due to unconditional -ggdb
+ $(skiboot_cross)strip $@
+
+$(skiboot_dir):
+ git clone $(skiboot_git_repo) $(skiboot_dir)
+ git -C $(skiboot_dir) checkout $(skiboot_revision)
+
+$(build_dir):
+ mkdir -p $(build_dir)
+
+distclean: clean
+ rm -rf $(skiboot_dir)
+
+clean:
+ # Redefine RM because it's used like `$(RM) non-existent-file`
+ # Also ignore useless messages about removing test files
+ [ ! -d $(skiboot_dir) ] || $(MAKE) -C $(skiboot_dir) RM="rm -rf" clean > /dev/null
+ rm -rf $(build_dir)