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-rw-r--r--arch/x86/boot/compressed/Makefile5
-rw-r--r--arch/x86/boot/compressed/sbat.S7
-rw-r--r--arch/x86/boot/compressed/vmlinux.lds.S8
3 files changed, 20 insertions, 0 deletions
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index f4f7b22d8113..3a38fdcdb9bd 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -106,6 +106,11 @@ vmlinux-objs-$(CONFIG_UNACCEPTED_MEMORY) += $(obj)/mem.o
vmlinux-objs-$(CONFIG_EFI) += $(obj)/efi.o
vmlinux-libs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
vmlinux-libs-$(CONFIG_X86_64) += $(objtree)/arch/x86/boot/startup/lib.a
+vmlinux-objs-$(CONFIG_EFI_SBAT) += $(obj)/sbat.o
+
+ifdef CONFIG_EFI_SBAT
+$(obj)/sbat.o: $(CONFIG_EFI_SBAT_FILE)
+endif
$(obj)/vmlinux: $(vmlinux-objs-y) $(vmlinux-libs-y) FORCE
$(call if_changed,ld)
diff --git a/arch/x86/boot/compressed/sbat.S b/arch/x86/boot/compressed/sbat.S
new file mode 100644
index 000000000000..838f70a997dd
--- /dev/null
+++ b/arch/x86/boot/compressed/sbat.S
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Embed SBAT data in the kernel.
+ */
+ .pushsection ".sbat", "a", @progbits
+ .incbin CONFIG_EFI_SBAT_FILE
+ .popsection
diff --git a/arch/x86/boot/compressed/vmlinux.lds.S b/arch/x86/boot/compressed/vmlinux.lds.S
index 3b2bc61c9408..587ce3e7c504 100644
--- a/arch/x86/boot/compressed/vmlinux.lds.S
+++ b/arch/x86/boot/compressed/vmlinux.lds.S
@@ -43,6 +43,14 @@ SECTIONS
*(.rodata.*)
_erodata = . ;
}
+#ifdef CONFIG_EFI_SBAT
+ .sbat : ALIGN(0x1000) {
+ _sbat = . ;
+ *(.sbat)
+ _esbat = ALIGN(0x1000);
+ . = _esbat;
+ }
+#endif
.data : ALIGN(0x1000) {
_data = . ;
*(.data)