hc
2024-03-25 edb30157bad0c0001c32b854271ace01d3b9a16a
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From d7e54b2e5feee95d2f83058ed30d883c450d1473 Mon Sep 17 00:00:00 2001
From: Daniel Kiper <daniel.kiper@oracle.com>
Date: Thu, 3 Dec 2020 16:01:48 +0100
Subject: [PATCH] efi: Add secure boot detection
 
Introduce grub_efi_get_secureboot() function which returns whether
UEFI Secure Boot is enabled or not on UEFI systems.
 
Signed-off-by: Ignat Korchagin <ignat@cloudflare.com>
Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
Signed-off-by: Marco A Benatto <mbenatto@redhat.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
[Add changes to generated files]
Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
---
 grub-core/Makefile.am       |   1 +
 grub-core/Makefile.core.am  |  14 +++---
 grub-core/Makefile.core.def |   1 +
 grub-core/Makefile.in       | 102 ++++++++++++++++++++++++++---------------
 grub-core/kern/efi/sb.c     | 109 ++++++++++++++++++++++++++++++++++++++++++++
 include/grub/efi/sb.h       |  40 ++++++++++++++++
 po/POTFILES.in              |   2 +
 7 files changed, 225 insertions(+), 44 deletions(-)
 create mode 100644 grub-core/kern/efi/sb.c
 create mode 100644 include/grub/efi/sb.h
 
diff --git a/grub-core/Makefile.am b/grub-core/Makefile.am
index 3ea8e7f..c6ba5b2 100644
--- a/grub-core/Makefile.am
+++ b/grub-core/Makefile.am
@@ -71,6 +71,7 @@ KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/command.h
 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/device.h
 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/disk.h
 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/dl.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/efi/sb.h
 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/env.h
 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/env_private.h
 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/err.h
diff --git a/grub-core/Makefile.core.am b/grub-core/Makefile.core.am
index a217716..f28b753 100644
--- a/grub-core/Makefile.core.am
+++ b/grub-core/Makefile.core.am
@@ -22421,7 +22421,7 @@ endif
 if COND_i386_efi
 platform_PROGRAMS += kernel.exec
 kernel_exec_SOURCES  = kern/i386/efi/startup.S 
-kernel_exec_SOURCES += kern/i386/efi/tsc.c kern/i386/tsc_pmtimer.c kern/i386/efi/init.c bus/pci.c kern/i386/dl.c kern/i386/tsc.c kern/i386/tsc_pit.c disk/efi/efidisk.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c term/efi/console.c kern/acpi.c kern/efi/acpi.c kern/compiler-rt.c kern/mm.c kern/time.c kern/generic/millisleep.c kern/command.c kern/corecmd.c kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c kern/file.c kern/fs.c kern/list.c kern/main.c kern/misc.c kern/parser.c kern/partition.c kern/rescue_parser.c kern/rescue_reader.c kern/term.c 
+kernel_exec_SOURCES += kern/i386/efi/tsc.c kern/i386/tsc_pmtimer.c kern/i386/efi/init.c bus/pci.c kern/i386/dl.c kern/i386/tsc.c kern/i386/tsc_pit.c disk/efi/efidisk.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c term/efi/console.c kern/acpi.c kern/efi/acpi.c kern/efi/sb.c kern/compiler-rt.c kern/mm.c kern/time.c kern/generic/millisleep.c kern/command.c kern/corecmd.c kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c kern/file.c kern/fs.c kern/list.c kern/main.c kern/misc.c kern/parser.c kern/partition.c kern/rescue_parser.c kern/rescue_reader.c kern/term.c 
 nodist_kernel_exec_SOURCES  = symlist.c  ## platform nodist sources
 kernel_exec_LDADD  = 
 kernel_exec_CFLAGS  = $(AM_CFLAGS) $(CFLAGS_KERNEL) 
@@ -22531,7 +22531,7 @@ endif
 if COND_x86_64_efi
 platform_PROGRAMS += kernel.exec
 kernel_exec_SOURCES  = kern/x86_64/efi/startup.S 
-kernel_exec_SOURCES += kern/i386/efi/tsc.c kern/i386/tsc_pmtimer.c kern/x86_64/efi/callwrap.S kern/i386/efi/init.c bus/pci.c kern/x86_64/dl.c kern/i386/tsc.c kern/i386/tsc_pit.c disk/efi/efidisk.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c term/efi/console.c kern/acpi.c kern/efi/acpi.c kern/compiler-rt.c kern/mm.c kern/time.c kern/generic/millisleep.c kern/command.c kern/corecmd.c kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c kern/file.c kern/fs.c kern/list.c kern/main.c kern/misc.c kern/parser.c kern/partition.c kern/rescue_parser.c kern/rescue_reader.c kern/term.c 
+kernel_exec_SOURCES += kern/i386/efi/tsc.c kern/i386/tsc_pmtimer.c kern/x86_64/efi/callwrap.S kern/i386/efi/init.c bus/pci.c kern/x86_64/dl.c kern/i386/tsc.c kern/i386/tsc_pit.c disk/efi/efidisk.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c term/efi/console.c kern/acpi.c kern/efi/acpi.c kern/efi/sb.c kern/compiler-rt.c kern/mm.c kern/time.c kern/generic/millisleep.c kern/command.c kern/corecmd.c kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c kern/file.c kern/fs.c kern/list.c kern/main.c kern/misc.c kern/parser.c kern/partition.c kern/rescue_parser.c kern/rescue_reader.c kern/term.c 
 nodist_kernel_exec_SOURCES  = symlist.c  ## platform nodist sources
 kernel_exec_LDADD  = 
 kernel_exec_CFLAGS  = $(AM_CFLAGS) $(CFLAGS_KERNEL) 
@@ -22707,7 +22707,7 @@ endif
 if COND_ia64_efi
 platform_PROGRAMS += kernel.exec
 kernel_exec_SOURCES  = 
-kernel_exec_SOURCES += kern/ia64/efi/startup.S kern/ia64/efi/init.c kern/ia64/dl.c kern/ia64/dl_helper.c kern/ia64/cache.c lib/division.c disk/efi/efidisk.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c term/efi/console.c kern/acpi.c kern/efi/acpi.c kern/compiler-rt.c kern/mm.c kern/time.c kern/generic/millisleep.c kern/command.c kern/corecmd.c kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c kern/file.c kern/fs.c kern/list.c kern/main.c kern/misc.c kern/parser.c kern/partition.c kern/rescue_parser.c kern/rescue_reader.c kern/term.c 
+kernel_exec_SOURCES += kern/ia64/efi/startup.S kern/ia64/efi/init.c kern/ia64/dl.c kern/ia64/dl_helper.c kern/ia64/cache.c lib/division.c disk/efi/efidisk.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c term/efi/console.c kern/acpi.c kern/efi/acpi.c kern/efi/sb.c kern/compiler-rt.c kern/mm.c kern/time.c kern/generic/millisleep.c kern/command.c kern/corecmd.c kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c kern/file.c kern/fs.c kern/list.c kern/main.c kern/misc.c kern/parser.c kern/partition.c kern/rescue_parser.c kern/rescue_reader.c kern/term.c 
 nodist_kernel_exec_SOURCES  = symlist.c  ## platform nodist sources
 kernel_exec_LDADD  = 
 kernel_exec_CFLAGS  = $(AM_CFLAGS) $(CFLAGS_KERNEL) -fno-builtin -fpic -minline-int-divide-max-throughput 
@@ -22773,7 +22773,7 @@ endif
 if COND_arm_efi
 platform_PROGRAMS += kernel.exec
 kernel_exec_SOURCES  = kern/arm/efi/startup.S 
-kernel_exec_SOURCES += kern/arm/efi/init.c kern/efi/fdt.c kern/arm/dl.c kern/arm/dl_helper.c kern/arm/cache_armv6.S kern/arm/cache_armv7.S kern/arm/cache.c kern/arm/compiler-rt.S lib/division.c disk/efi/efidisk.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c term/efi/console.c kern/acpi.c kern/efi/acpi.c kern/compiler-rt.c kern/mm.c kern/time.c kern/generic/millisleep.c kern/command.c kern/corecmd.c kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c kern/file.c kern/fs.c kern/list.c kern/main.c kern/misc.c kern/parser.c kern/partition.c kern/rescue_parser.c kern/rescue_reader.c kern/term.c 
+kernel_exec_SOURCES += kern/arm/efi/init.c kern/efi/fdt.c kern/arm/dl.c kern/arm/dl_helper.c kern/arm/cache_armv6.S kern/arm/cache_armv7.S kern/arm/cache.c kern/arm/compiler-rt.S lib/division.c disk/efi/efidisk.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c term/efi/console.c kern/acpi.c kern/efi/acpi.c kern/efi/sb.c kern/compiler-rt.c kern/mm.c kern/time.c kern/generic/millisleep.c kern/command.c kern/corecmd.c kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c kern/file.c kern/fs.c kern/list.c kern/main.c kern/misc.c kern/parser.c kern/partition.c kern/rescue_parser.c kern/rescue_reader.c kern/term.c 
 nodist_kernel_exec_SOURCES  = symlist.c  ## platform nodist sources
 kernel_exec_LDADD  = 
 kernel_exec_CFLAGS  = $(AM_CFLAGS) $(CFLAGS_KERNEL) 
@@ -22795,7 +22795,7 @@ endif
 if COND_arm64_efi
 platform_PROGRAMS += kernel.exec
 kernel_exec_SOURCES  = kern/arm64/efi/startup.S 
-kernel_exec_SOURCES += kern/arm64/efi/init.c kern/efi/fdt.c kern/arm64/cache.c kern/arm64/cache_flush.S kern/arm64/dl.c kern/arm64/dl_helper.c disk/efi/efidisk.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c term/efi/console.c kern/acpi.c kern/efi/acpi.c kern/compiler-rt.c kern/mm.c kern/time.c kern/generic/millisleep.c kern/command.c kern/corecmd.c kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c kern/file.c kern/fs.c kern/list.c kern/main.c kern/misc.c kern/parser.c kern/partition.c kern/rescue_parser.c kern/rescue_reader.c kern/term.c 
+kernel_exec_SOURCES += kern/arm64/efi/init.c kern/efi/fdt.c kern/arm64/cache.c kern/arm64/cache_flush.S kern/arm64/dl.c kern/arm64/dl_helper.c disk/efi/efidisk.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c term/efi/console.c kern/acpi.c kern/efi/acpi.c kern/efi/sb.c kern/compiler-rt.c kern/mm.c kern/time.c kern/generic/millisleep.c kern/command.c kern/corecmd.c kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c kern/file.c kern/fs.c kern/list.c kern/main.c kern/misc.c kern/parser.c kern/partition.c kern/rescue_parser.c kern/rescue_reader.c kern/term.c 
 nodist_kernel_exec_SOURCES  = symlist.c  ## platform nodist sources
 kernel_exec_LDADD  = 
 kernel_exec_CFLAGS  = $(AM_CFLAGS) $(CFLAGS_KERNEL) 
@@ -22839,7 +22839,7 @@ endif
 if COND_riscv32_efi
 platform_PROGRAMS += kernel.exec
 kernel_exec_SOURCES  = kern/riscv/efi/startup.S 
-kernel_exec_SOURCES += kern/riscv/efi/init.c kern/efi/fdt.c kern/riscv/cache.c kern/riscv/cache_flush.S kern/riscv/dl.c lib/division.c disk/efi/efidisk.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c term/efi/console.c kern/acpi.c kern/efi/acpi.c kern/compiler-rt.c kern/mm.c kern/time.c kern/generic/millisleep.c kern/command.c kern/corecmd.c kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c kern/file.c kern/fs.c kern/list.c kern/main.c kern/misc.c kern/parser.c kern/partition.c kern/rescue_parser.c kern/rescue_reader.c kern/term.c 
+kernel_exec_SOURCES += kern/riscv/efi/init.c kern/efi/fdt.c kern/riscv/cache.c kern/riscv/cache_flush.S kern/riscv/dl.c lib/division.c disk/efi/efidisk.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c term/efi/console.c kern/acpi.c kern/efi/acpi.c kern/efi/sb.c kern/compiler-rt.c kern/mm.c kern/time.c kern/generic/millisleep.c kern/command.c kern/corecmd.c kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c kern/file.c kern/fs.c kern/list.c kern/main.c kern/misc.c kern/parser.c kern/partition.c kern/rescue_parser.c kern/rescue_reader.c kern/term.c 
 nodist_kernel_exec_SOURCES  = symlist.c  ## platform nodist sources
 kernel_exec_LDADD  = 
 kernel_exec_CFLAGS  = $(AM_CFLAGS) $(CFLAGS_KERNEL) 
@@ -22861,7 +22861,7 @@ endif
 if COND_riscv64_efi
 platform_PROGRAMS += kernel.exec
 kernel_exec_SOURCES  = kern/riscv/efi/startup.S 
-kernel_exec_SOURCES += kern/riscv/efi/init.c kern/efi/fdt.c kern/riscv/cache.c kern/riscv/cache_flush.S kern/riscv/dl.c disk/efi/efidisk.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c term/efi/console.c kern/acpi.c kern/efi/acpi.c kern/compiler-rt.c kern/mm.c kern/time.c kern/generic/millisleep.c kern/command.c kern/corecmd.c kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c kern/file.c kern/fs.c kern/list.c kern/main.c kern/misc.c kern/parser.c kern/partition.c kern/rescue_parser.c kern/rescue_reader.c kern/term.c 
+kernel_exec_SOURCES += kern/riscv/efi/init.c kern/efi/fdt.c kern/riscv/cache.c kern/riscv/cache_flush.S kern/riscv/dl.c disk/efi/efidisk.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c term/efi/console.c kern/acpi.c kern/efi/acpi.c kern/efi/sb.c kern/compiler-rt.c kern/mm.c kern/time.c kern/generic/millisleep.c kern/command.c kern/corecmd.c kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c kern/file.c kern/fs.c kern/list.c kern/main.c kern/misc.c kern/parser.c kern/partition.c kern/rescue_parser.c kern/rescue_reader.c kern/term.c 
 nodist_kernel_exec_SOURCES  = symlist.c  ## platform nodist sources
 kernel_exec_LDADD  = 
 kernel_exec_CFLAGS  = $(AM_CFLAGS) $(CFLAGS_KERNEL) 
diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
index 474a63e..abd26cf 100644
--- a/grub-core/Makefile.core.def
+++ b/grub-core/Makefile.core.def
@@ -203,6 +203,7 @@ kernel = {
   efi = term/efi/console.c;
   efi = kern/acpi.c;
   efi = kern/efi/acpi.c;
+  efi = kern/efi/sb.c;
   i386_coreboot = kern/i386/pc/acpi.c;
   i386_multiboot = kern/i386/pc/acpi.c;
   i386_coreboot = kern/acpi.c;
diff --git a/grub-core/Makefile.in b/grub-core/Makefile.in
index d287607..8fb81ee 100644
--- a/grub-core/Makefile.in
+++ b/grub-core/Makefile.in
@@ -10468,32 +10468,33 @@ am__kernel_exec_SOURCES_DIST = kern/arm64/efi/startup.S \
     kern/arm64/cache_flush.S kern/arm64/dl.c \
     kern/arm64/dl_helper.c disk/efi/efidisk.c kern/efi/efi.c \
     kern/efi/init.c kern/efi/mm.c term/efi/console.c kern/acpi.c \
-    kern/efi/acpi.c kern/compiler-rt.c kern/mm.c kern/time.c \
-    kern/generic/millisleep.c kern/command.c kern/corecmd.c \
-    kern/device.c kern/disk.c kern/dl.c kern/env.c kern/err.c \
-    kern/file.c kern/fs.c kern/list.c kern/main.c kern/misc.c \
-    kern/parser.c kern/partition.c kern/rescue_parser.c \
-    kern/rescue_reader.c kern/term.c kern/arm/startup.S \
-    kern/arm/coreboot/init.c kern/arm/coreboot/timer.c \
-    kern/arm/coreboot/coreboot.S lib/fdt.c bus/fdt.c term/ps2.c \
-    term/arm/pl050.c term/arm/cros.c term/arm/cros_ec.c \
-    bus/spi/rk3288_spi.c commands/keylayouts.c \
-    kern/arm/coreboot/dma.c kern/arm/coreboot/cbtable.c \
-    video/coreboot/cbfb.c kern/coreboot/mmap.c \
-    kern/coreboot/cbtable.c term/gfxterm.c font/font.c \
-    font/font_cmd.c io/bufio.c video/fb/fbblit.c video/fb/fbfill.c \
-    video/fb/fbutil.c video/fb/video_fb.c video/video.c \
-    kern/arm/dl.c kern/arm/dl_helper.c kern/arm/cache_armv6.S \
-    kern/arm/cache_armv7.S kern/arm/cache.c kern/arm/compiler-rt.S \
-    lib/division.c kern/arm/efi/startup.S kern/arm/efi/init.c \
-    kern/arm/uboot/init.c kern/arm/uboot/uboot.S \
-    disk/uboot/ubootdisk.c kern/uboot/uboot.c kern/uboot/init.c \
-    kern/uboot/hw.c term/uboot/console.c term/terminfo.c \
-    term/tparm.c commands/extcmd.c lib/arg.c disk/host.c \
-    kern/emu/cache_s.S kern/emu/hostdisk.c osdep/unix/hostdisk.c \
-    osdep/exec.c osdep/devmapper/hostdisk.c osdep/hostdisk.c \
-    kern/emu/hostfs.c kern/emu/main.c kern/emu/argp_common.c \
-    kern/emu/misc.c kern/emu/mm.c kern/emu/time.c kern/emu/cache.c \
+    kern/efi/acpi.c kern/efi/sb.c kern/compiler-rt.c kern/mm.c \
+    kern/time.c kern/generic/millisleep.c kern/command.c \
+    kern/corecmd.c kern/device.c kern/disk.c kern/dl.c kern/env.c \
+    kern/err.c kern/file.c kern/fs.c kern/list.c kern/main.c \
+    kern/misc.c kern/parser.c kern/partition.c \
+    kern/rescue_parser.c kern/rescue_reader.c kern/term.c \
+    kern/arm/startup.S kern/arm/coreboot/init.c \
+    kern/arm/coreboot/timer.c kern/arm/coreboot/coreboot.S \
+    lib/fdt.c bus/fdt.c term/ps2.c term/arm/pl050.c \
+    term/arm/cros.c term/arm/cros_ec.c bus/spi/rk3288_spi.c \
+    commands/keylayouts.c kern/arm/coreboot/dma.c \
+    kern/arm/coreboot/cbtable.c video/coreboot/cbfb.c \
+    kern/coreboot/mmap.c kern/coreboot/cbtable.c term/gfxterm.c \
+    font/font.c font/font_cmd.c io/bufio.c video/fb/fbblit.c \
+    video/fb/fbfill.c video/fb/fbutil.c video/fb/video_fb.c \
+    video/video.c kern/arm/dl.c kern/arm/dl_helper.c \
+    kern/arm/cache_armv6.S kern/arm/cache_armv7.S kern/arm/cache.c \
+    kern/arm/compiler-rt.S lib/division.c kern/arm/efi/startup.S \
+    kern/arm/efi/init.c kern/arm/uboot/init.c \
+    kern/arm/uboot/uboot.S disk/uboot/ubootdisk.c \
+    kern/uboot/uboot.c kern/uboot/init.c kern/uboot/hw.c \
+    term/uboot/console.c term/terminfo.c term/tparm.c \
+    commands/extcmd.c lib/arg.c disk/host.c kern/emu/cache_s.S \
+    kern/emu/hostdisk.c osdep/unix/hostdisk.c osdep/exec.c \
+    osdep/devmapper/hostdisk.c osdep/hostdisk.c kern/emu/hostfs.c \
+    kern/emu/main.c kern/emu/argp_common.c kern/emu/misc.c \
+    kern/emu/mm.c kern/emu/time.c kern/emu/cache.c \
     osdep/emuconsole.c osdep/dl.c osdep/sleep.c osdep/init.c \
     osdep/emunet.c osdep/cputime.c kern/i386/coreboot/startup.S \
     kern/i386/coreboot/init.c kern/i386/pc/acpi.c \
@@ -10580,6 +10581,7 @@ am__kernel_exec_SOURCES_DIST = kern/arm64/efi/startup.S \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_FALSE@@COND_riscv64_efi_FALSE@@COND_sparc64_ieee1275_FALSE@@COND_x86_64_efi_TRUE@    term/efi/kernel_exec-console.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_FALSE@@COND_riscv64_efi_FALSE@@COND_sparc64_ieee1275_FALSE@@COND_x86_64_efi_TRUE@    kern/kernel_exec-acpi.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_FALSE@@COND_riscv64_efi_FALSE@@COND_sparc64_ieee1275_FALSE@@COND_x86_64_efi_TRUE@    kern/efi/kernel_exec-acpi.$(OBJEXT) \
+@COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_FALSE@@COND_riscv64_efi_FALSE@@COND_sparc64_ieee1275_FALSE@@COND_x86_64_efi_TRUE@    kern/efi/kernel_exec-sb.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_FALSE@@COND_riscv64_efi_FALSE@@COND_sparc64_ieee1275_FALSE@@COND_x86_64_efi_TRUE@    kern/kernel_exec-compiler-rt.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_FALSE@@COND_riscv64_efi_FALSE@@COND_sparc64_ieee1275_FALSE@@COND_x86_64_efi_TRUE@    kern/kernel_exec-mm.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_FALSE@@COND_riscv64_efi_FALSE@@COND_sparc64_ieee1275_FALSE@@COND_x86_64_efi_TRUE@    kern/kernel_exec-time.$(OBJEXT) \
@@ -10651,6 +10653,7 @@ am__kernel_exec_SOURCES_DIST = kern/arm64/efi/startup.S \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_FALSE@@COND_riscv64_efi_TRUE@    term/efi/kernel_exec-console.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_FALSE@@COND_riscv64_efi_TRUE@    kern/kernel_exec-acpi.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_FALSE@@COND_riscv64_efi_TRUE@    kern/efi/kernel_exec-acpi.$(OBJEXT) \
+@COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_FALSE@@COND_riscv64_efi_TRUE@    kern/efi/kernel_exec-sb.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_FALSE@@COND_riscv64_efi_TRUE@    kern/kernel_exec-compiler-rt.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_FALSE@@COND_riscv64_efi_TRUE@    kern/kernel_exec-mm.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_FALSE@@COND_riscv64_efi_TRUE@    kern/kernel_exec-time.$(OBJEXT) \
@@ -10686,6 +10689,7 @@ am__kernel_exec_SOURCES_DIST = kern/arm64/efi/startup.S \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_TRUE@    term/efi/kernel_exec-console.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_TRUE@    kern/kernel_exec-acpi.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_TRUE@    kern/efi/kernel_exec-acpi.$(OBJEXT) \
+@COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_TRUE@    kern/efi/kernel_exec-sb.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_TRUE@    kern/kernel_exec-compiler-rt.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_TRUE@    kern/kernel_exec-mm.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_FALSE@@COND_mips_arc_FALSE@@COND_mips_loongson_FALSE@@COND_mips_qemu_mips_FALSE@@COND_powerpc_ieee1275_FALSE@@COND_riscv32_efi_TRUE@    kern/kernel_exec-time.$(OBJEXT) \
@@ -10881,6 +10885,7 @@ am__kernel_exec_SOURCES_DIST = kern/arm64/efi/startup.S \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_TRUE@    term/efi/kernel_exec-console.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_TRUE@    kern/kernel_exec-acpi.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_TRUE@    kern/efi/kernel_exec-acpi.$(OBJEXT) \
+@COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_TRUE@    kern/efi/kernel_exec-sb.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_TRUE@    kern/kernel_exec-compiler-rt.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_TRUE@    kern/kernel_exec-mm.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_FALSE@@COND_i386_ieee1275_FALSE@@COND_i386_multiboot_FALSE@@COND_i386_pc_FALSE@@COND_i386_qemu_FALSE@@COND_i386_xen_FALSE@@COND_i386_xen_pvh_FALSE@@COND_ia64_efi_TRUE@    kern/kernel_exec-time.$(OBJEXT) \
@@ -11109,6 +11114,7 @@ am__kernel_exec_SOURCES_DIST = kern/arm64/efi/startup.S \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_TRUE@    term/efi/kernel_exec-console.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_TRUE@    kern/kernel_exec-acpi.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_TRUE@    kern/efi/kernel_exec-acpi.$(OBJEXT) \
+@COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_TRUE@    kern/efi/kernel_exec-sb.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_TRUE@    kern/kernel_exec-compiler-rt.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_TRUE@    kern/kernel_exec-mm.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_FALSE@@COND_arm_uboot_FALSE@@COND_emu_FALSE@@COND_i386_coreboot_FALSE@@COND_i386_efi_TRUE@    kern/kernel_exec-time.$(OBJEXT) \
@@ -11271,6 +11277,7 @@ am__kernel_exec_SOURCES_DIST = kern/arm64/efi/startup.S \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_TRUE@    term/efi/kernel_exec-console.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_TRUE@    kern/kernel_exec-acpi.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_TRUE@    kern/efi/kernel_exec-acpi.$(OBJEXT) \
+@COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_TRUE@    kern/efi/kernel_exec-sb.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_TRUE@    kern/kernel_exec-compiler-rt.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_TRUE@    kern/kernel_exec-mm.$(OBJEXT) \
 @COND_arm64_efi_FALSE@@COND_arm_coreboot_FALSE@@COND_arm_efi_TRUE@    kern/kernel_exec-time.$(OBJEXT) \
@@ -11360,6 +11367,7 @@ am__kernel_exec_SOURCES_DIST = kern/arm64/efi/startup.S \
 @COND_arm64_efi_TRUE@    term/efi/kernel_exec-console.$(OBJEXT) \
 @COND_arm64_efi_TRUE@    kern/kernel_exec-acpi.$(OBJEXT) \
 @COND_arm64_efi_TRUE@    kern/efi/kernel_exec-acpi.$(OBJEXT) \
+@COND_arm64_efi_TRUE@    kern/efi/kernel_exec-sb.$(OBJEXT) \
 @COND_arm64_efi_TRUE@    kern/kernel_exec-compiler-rt.$(OBJEXT) \
 @COND_arm64_efi_TRUE@    kern/kernel_exec-mm.$(OBJEXT) \
 @COND_arm64_efi_TRUE@    kern/kernel_exec-time.$(OBJEXT) \
@@ -16380,6 +16388,7 @@ KERNEL_HEADER_FILES = $(top_srcdir)/include/grub/cache.h \
     $(top_srcdir)/include/grub/device.h \
     $(top_srcdir)/include/grub/disk.h \
     $(top_srcdir)/include/grub/dl.h \
+    $(top_srcdir)/include/grub/efi/sb.h \
     $(top_srcdir)/include/grub/env.h \
     $(top_srcdir)/include/grub/env_private.h \
     $(top_srcdir)/include/grub/err.h \
@@ -25612,7 +25621,7 @@ gcry_whirlpool_module_DEPENDENCIES = $(TARGET_OBJ2ELF)
 @COND_arm64_efi_TRUE@    kern/arm64/dl_helper.c disk/efi/efidisk.c \
 @COND_arm64_efi_TRUE@    kern/efi/efi.c kern/efi/init.c \
 @COND_arm64_efi_TRUE@    kern/efi/mm.c term/efi/console.c \
-@COND_arm64_efi_TRUE@    kern/acpi.c kern/efi/acpi.c \
+@COND_arm64_efi_TRUE@    kern/acpi.c kern/efi/acpi.c kern/efi/sb.c \
 @COND_arm64_efi_TRUE@    kern/compiler-rt.c kern/mm.c kern/time.c \
 @COND_arm64_efi_TRUE@    kern/generic/millisleep.c kern/command.c \
 @COND_arm64_efi_TRUE@    kern/corecmd.c kern/device.c kern/disk.c \
@@ -25661,8 +25670,8 @@ gcry_whirlpool_module_DEPENDENCIES = $(TARGET_OBJ2ELF)
 @COND_arm_efi_TRUE@    disk/efi/efidisk.c kern/efi/efi.c \
 @COND_arm_efi_TRUE@    kern/efi/init.c kern/efi/mm.c \
 @COND_arm_efi_TRUE@    term/efi/console.c kern/acpi.c \
-@COND_arm_efi_TRUE@    kern/efi/acpi.c kern/compiler-rt.c \
-@COND_arm_efi_TRUE@    kern/mm.c kern/time.c \
+@COND_arm_efi_TRUE@    kern/efi/acpi.c kern/efi/sb.c \
+@COND_arm_efi_TRUE@    kern/compiler-rt.c kern/mm.c kern/time.c \
 @COND_arm_efi_TRUE@    kern/generic/millisleep.c kern/command.c \
 @COND_arm_efi_TRUE@    kern/corecmd.c kern/device.c kern/disk.c \
 @COND_arm_efi_TRUE@    kern/dl.c kern/env.c kern/err.c kern/file.c \
@@ -25739,7 +25748,7 @@ gcry_whirlpool_module_DEPENDENCIES = $(TARGET_OBJ2ELF)
 @COND_i386_efi_TRUE@    kern/i386/tsc_pit.c disk/efi/efidisk.c \
 @COND_i386_efi_TRUE@    kern/efi/efi.c kern/efi/init.c \
 @COND_i386_efi_TRUE@    kern/efi/mm.c term/efi/console.c \
-@COND_i386_efi_TRUE@    kern/acpi.c kern/efi/acpi.c \
+@COND_i386_efi_TRUE@    kern/acpi.c kern/efi/acpi.c kern/efi/sb.c \
 @COND_i386_efi_TRUE@    kern/compiler-rt.c kern/mm.c kern/time.c \
 @COND_i386_efi_TRUE@    kern/generic/millisleep.c kern/command.c \
 @COND_i386_efi_TRUE@    kern/corecmd.c kern/device.c kern/disk.c \
@@ -25851,7 +25860,7 @@ gcry_whirlpool_module_DEPENDENCIES = $(TARGET_OBJ2ELF)
 @COND_ia64_efi_TRUE@    lib/division.c disk/efi/efidisk.c \
 @COND_ia64_efi_TRUE@    kern/efi/efi.c kern/efi/init.c \
 @COND_ia64_efi_TRUE@    kern/efi/mm.c term/efi/console.c \
-@COND_ia64_efi_TRUE@    kern/acpi.c kern/efi/acpi.c \
+@COND_ia64_efi_TRUE@    kern/acpi.c kern/efi/acpi.c kern/efi/sb.c \
 @COND_ia64_efi_TRUE@    kern/compiler-rt.c kern/mm.c kern/time.c \
 @COND_ia64_efi_TRUE@    kern/generic/millisleep.c kern/command.c \
 @COND_ia64_efi_TRUE@    kern/corecmd.c kern/device.c kern/disk.c \
@@ -25959,9 +25968,9 @@ gcry_whirlpool_module_DEPENDENCIES = $(TARGET_OBJ2ELF)
 @COND_riscv32_efi_TRUE@    disk/efi/efidisk.c kern/efi/efi.c \
 @COND_riscv32_efi_TRUE@    kern/efi/init.c kern/efi/mm.c \
 @COND_riscv32_efi_TRUE@    term/efi/console.c kern/acpi.c \
-@COND_riscv32_efi_TRUE@    kern/efi/acpi.c kern/compiler-rt.c \
-@COND_riscv32_efi_TRUE@    kern/mm.c kern/time.c \
-@COND_riscv32_efi_TRUE@    kern/generic/millisleep.c \
+@COND_riscv32_efi_TRUE@    kern/efi/acpi.c kern/efi/sb.c \
+@COND_riscv32_efi_TRUE@    kern/compiler-rt.c kern/mm.c \
+@COND_riscv32_efi_TRUE@    kern/time.c kern/generic/millisleep.c \
 @COND_riscv32_efi_TRUE@    kern/command.c kern/corecmd.c \
 @COND_riscv32_efi_TRUE@    kern/device.c kern/disk.c kern/dl.c \
 @COND_riscv32_efi_TRUE@    kern/env.c kern/err.c kern/file.c \
@@ -25977,8 +25986,9 @@ gcry_whirlpool_module_DEPENDENCIES = $(TARGET_OBJ2ELF)
 @COND_riscv64_efi_TRUE@    kern/efi/efi.c kern/efi/init.c \
 @COND_riscv64_efi_TRUE@    kern/efi/mm.c term/efi/console.c \
 @COND_riscv64_efi_TRUE@    kern/acpi.c kern/efi/acpi.c \
-@COND_riscv64_efi_TRUE@    kern/compiler-rt.c kern/mm.c \
-@COND_riscv64_efi_TRUE@    kern/time.c kern/generic/millisleep.c \
+@COND_riscv64_efi_TRUE@    kern/efi/sb.c kern/compiler-rt.c \
+@COND_riscv64_efi_TRUE@    kern/mm.c kern/time.c \
+@COND_riscv64_efi_TRUE@    kern/generic/millisleep.c \
 @COND_riscv64_efi_TRUE@    kern/command.c kern/corecmd.c \
 @COND_riscv64_efi_TRUE@    kern/device.c kern/disk.c kern/dl.c \
 @COND_riscv64_efi_TRUE@    kern/env.c kern/err.c kern/file.c \
@@ -26022,7 +26032,8 @@ gcry_whirlpool_module_DEPENDENCIES = $(TARGET_OBJ2ELF)
 @COND_x86_64_efi_TRUE@    kern/efi/efi.c kern/efi/init.c \
 @COND_x86_64_efi_TRUE@    kern/efi/mm.c term/efi/console.c \
 @COND_x86_64_efi_TRUE@    kern/acpi.c kern/efi/acpi.c \
-@COND_x86_64_efi_TRUE@    kern/compiler-rt.c kern/mm.c kern/time.c \
+@COND_x86_64_efi_TRUE@    kern/efi/sb.c kern/compiler-rt.c \
+@COND_x86_64_efi_TRUE@    kern/mm.c kern/time.c \
 @COND_x86_64_efi_TRUE@    kern/generic/millisleep.c kern/command.c \
 @COND_x86_64_efi_TRUE@    kern/corecmd.c kern/device.c kern/disk.c \
 @COND_x86_64_efi_TRUE@    kern/dl.c kern/env.c kern/err.c \
@@ -27989,6 +28000,8 @@ kern/kernel_exec-acpi.$(OBJEXT): kern/$(am__dirstamp) \
     kern/$(DEPDIR)/$(am__dirstamp)
 kern/efi/kernel_exec-acpi.$(OBJEXT): kern/efi/$(am__dirstamp) \
     kern/efi/$(DEPDIR)/$(am__dirstamp)
+kern/efi/kernel_exec-sb.$(OBJEXT): kern/efi/$(am__dirstamp) \
+    kern/efi/$(DEPDIR)/$(am__dirstamp)
 kern/kernel_exec-compiler-rt.$(OBJEXT): kern/$(am__dirstamp) \
     kern/$(DEPDIR)/$(am__dirstamp)
 kern/kernel_exec-mm.$(OBJEXT): kern/$(am__dirstamp) \
@@ -30994,6 +31007,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@kern/efi/$(DEPDIR)/kernel_exec-fdt.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@kern/efi/$(DEPDIR)/kernel_exec-init.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@kern/efi/$(DEPDIR)/kernel_exec-mm.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@kern/efi/$(DEPDIR)/kernel_exec-sb.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@kern/emu/$(DEPDIR)/grub_emu-full.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@kern/emu/$(DEPDIR)/grub_emu_lite-lite.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@kern/emu/$(DEPDIR)/kernel_exec-argp_common.Po@am__quote@
@@ -35285,6 +35299,20 @@ kern/efi/kernel_exec-acpi.obj: kern/efi/acpi.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@    DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@    $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(kernel_exec_CPPFLAGS) $(CPPFLAGS) $(kernel_exec_CFLAGS) $(CFLAGS) -c -o kern/efi/kernel_exec-acpi.obj `if test -f 'kern/efi/acpi.c'; then $(CYGPATH_W) 'kern/efi/acpi.c'; else $(CYGPATH_W) '$(srcdir)/kern/efi/acpi.c'; fi`
 
+kern/efi/kernel_exec-sb.o: kern/efi/sb.c
+@am__fastdepCC_TRUE@    $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(kernel_exec_CPPFLAGS) $(CPPFLAGS) $(kernel_exec_CFLAGS) $(CFLAGS) -MT kern/efi/kernel_exec-sb.o -MD -MP -MF kern/efi/$(DEPDIR)/kernel_exec-sb.Tpo -c -o kern/efi/kernel_exec-sb.o `test -f 'kern/efi/sb.c' || echo '$(srcdir)/'`kern/efi/sb.c
+@am__fastdepCC_TRUE@    $(AM_V_at)$(am__mv) kern/efi/$(DEPDIR)/kernel_exec-sb.Tpo kern/efi/$(DEPDIR)/kernel_exec-sb.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@    $(AM_V_CC)source='kern/efi/sb.c' object='kern/efi/kernel_exec-sb.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@    DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@    $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(kernel_exec_CPPFLAGS) $(CPPFLAGS) $(kernel_exec_CFLAGS) $(CFLAGS) -c -o kern/efi/kernel_exec-sb.o `test -f 'kern/efi/sb.c' || echo '$(srcdir)/'`kern/efi/sb.c
+
+kern/efi/kernel_exec-sb.obj: kern/efi/sb.c
+@am__fastdepCC_TRUE@    $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(kernel_exec_CPPFLAGS) $(CPPFLAGS) $(kernel_exec_CFLAGS) $(CFLAGS) -MT kern/efi/kernel_exec-sb.obj -MD -MP -MF kern/efi/$(DEPDIR)/kernel_exec-sb.Tpo -c -o kern/efi/kernel_exec-sb.obj `if test -f 'kern/efi/sb.c'; then $(CYGPATH_W) 'kern/efi/sb.c'; else $(CYGPATH_W) '$(srcdir)/kern/efi/sb.c'; fi`
+@am__fastdepCC_TRUE@    $(AM_V_at)$(am__mv) kern/efi/$(DEPDIR)/kernel_exec-sb.Tpo kern/efi/$(DEPDIR)/kernel_exec-sb.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@    $(AM_V_CC)source='kern/efi/sb.c' object='kern/efi/kernel_exec-sb.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@    DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@    $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(kernel_exec_CPPFLAGS) $(CPPFLAGS) $(kernel_exec_CFLAGS) $(CFLAGS) -c -o kern/efi/kernel_exec-sb.obj `if test -f 'kern/efi/sb.c'; then $(CYGPATH_W) 'kern/efi/sb.c'; else $(CYGPATH_W) '$(srcdir)/kern/efi/sb.c'; fi`
+
 kern/kernel_exec-compiler-rt.o: kern/compiler-rt.c
 @am__fastdepCC_TRUE@    $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(kernel_exec_CPPFLAGS) $(CPPFLAGS) $(kernel_exec_CFLAGS) $(CFLAGS) -MT kern/kernel_exec-compiler-rt.o -MD -MP -MF kern/$(DEPDIR)/kernel_exec-compiler-rt.Tpo -c -o kern/kernel_exec-compiler-rt.o `test -f 'kern/compiler-rt.c' || echo '$(srcdir)/'`kern/compiler-rt.c
 @am__fastdepCC_TRUE@    $(AM_V_at)$(am__mv) kern/$(DEPDIR)/kernel_exec-compiler-rt.Tpo kern/$(DEPDIR)/kernel_exec-compiler-rt.Po
diff --git a/grub-core/kern/efi/sb.c b/grub-core/kern/efi/sb.c
new file mode 100644
index 0000000..19658d9
--- /dev/null
+++ b/grub-core/kern/efi/sb.c
@@ -0,0 +1,109 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2020  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  UEFI Secure Boot related checkings.
+ */
+
+#include <grub/efi/efi.h>
+#include <grub/efi/pe32.h>
+#include <grub/efi/sb.h>
+#include <grub/err.h>
+#include <grub/i386/linux.h>
+#include <grub/mm.h>
+#include <grub/types.h>
+
+/*
+ * Determine whether we're in secure boot mode.
+ *
+ * Please keep the logic in sync with the Linux kernel,
+ * drivers/firmware/efi/libstub/secureboot.c:efi_get_secureboot().
+ */
+grub_uint8_t
+grub_efi_get_secureboot (void)
+{
+  static grub_efi_guid_t efi_variable_guid = GRUB_EFI_GLOBAL_VARIABLE_GUID;
+  static grub_efi_guid_t efi_shim_lock_guid = GRUB_EFI_SHIM_LOCK_GUID;
+  grub_efi_status_t status;
+  grub_efi_uint32_t attr = 0;
+  grub_size_t size = 0;
+  grub_uint8_t *secboot = NULL;
+  grub_uint8_t *setupmode = NULL;
+  grub_uint8_t *moksbstate = NULL;
+  grub_uint8_t secureboot = GRUB_EFI_SECUREBOOT_MODE_UNKNOWN;
+  const char *secureboot_str = "UNKNOWN";
+
+  status = grub_efi_get_variable ("SecureBoot", &efi_variable_guid,
+                  &size, (void **) &secboot);
+
+  if (status == GRUB_EFI_NOT_FOUND)
+    {
+      secureboot = GRUB_EFI_SECUREBOOT_MODE_DISABLED;
+      goto out;
+    }
+
+  if (status != GRUB_EFI_SUCCESS)
+    goto out;
+
+  status = grub_efi_get_variable ("SetupMode", &efi_variable_guid,
+                  &size, (void **) &setupmode);
+
+  if (status != GRUB_EFI_SUCCESS)
+    goto out;
+
+  if ((*secboot == 0) || (*setupmode == 1))
+    {
+      secureboot = GRUB_EFI_SECUREBOOT_MODE_DISABLED;
+      goto out;
+    }
+
+  /*
+   * See if a user has put the shim into insecure mode. If so, and if the
+   * variable doesn't have the runtime attribute set, we might as well
+   * honor that.
+   */
+  status = grub_efi_get_variable_with_attributes ("MokSBState", &efi_shim_lock_guid,
+                          &size, (void **) &moksbstate, &attr);
+
+  /* If it fails, we don't care why. Default to secure. */
+  if (status != GRUB_EFI_SUCCESS)
+    {
+      secureboot = GRUB_EFI_SECUREBOOT_MODE_ENABLED;
+      goto out;
+    }
+
+  if (!(attr & GRUB_EFI_VARIABLE_RUNTIME_ACCESS) && *moksbstate == 1)
+    {
+      secureboot = GRUB_EFI_SECUREBOOT_MODE_DISABLED;
+      goto out;
+    }
+
+  secureboot = GRUB_EFI_SECUREBOOT_MODE_ENABLED;
+
+ out:
+  grub_free (moksbstate);
+  grub_free (setupmode);
+  grub_free (secboot);
+
+  if (secureboot == GRUB_EFI_SECUREBOOT_MODE_DISABLED)
+    secureboot_str = "Disabled";
+  else if (secureboot == GRUB_EFI_SECUREBOOT_MODE_ENABLED)
+    secureboot_str = "Enabled";
+
+  grub_dprintf ("efi", "UEFI Secure Boot state: %s\n", secureboot_str);
+
+  return secureboot;
+}
diff --git a/include/grub/efi/sb.h b/include/grub/efi/sb.h
new file mode 100644
index 0000000..a33d985
--- /dev/null
+++ b/include/grub/efi/sb.h
@@ -0,0 +1,40 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2020  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_EFI_SB_H
+#define GRUB_EFI_SB_H     1
+
+#include <grub/types.h>
+#include <grub/dl.h>
+
+#define GRUB_EFI_SECUREBOOT_MODE_UNSET    0
+#define GRUB_EFI_SECUREBOOT_MODE_UNKNOWN    1
+#define GRUB_EFI_SECUREBOOT_MODE_DISABLED    2
+#define GRUB_EFI_SECUREBOOT_MODE_ENABLED    3
+
+#ifdef GRUB_MACHINE_EFI
+extern grub_uint8_t
+EXPORT_FUNC (grub_efi_get_secureboot) (void);
+#else
+static inline grub_uint8_t
+grub_efi_get_secureboot (void)
+{
+  return GRUB_EFI_SECUREBOOT_MODE_UNSET;
+}
+#endif
+#endif /* GRUB_EFI_SB_H */
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 5574cbe..22543be 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -266,6 +266,7 @@
 ./grub-core/kern/efi/fdt.c
 ./grub-core/kern/efi/init.c
 ./grub-core/kern/efi/mm.c
+./grub-core/kern/efi/sb.c
 ./grub-core/kern/elf.c
 ./grub-core/kern/elfXX.c
 ./grub-core/kern/emu/argp_common.c
@@ -1053,6 +1054,7 @@
 ./include/grub/efi/memory.h
 ./include/grub/efi/pci.h
 ./include/grub/efi/pe32.h
+./include/grub/efi/sb.h
 ./include/grub/efi/tpm.h
 ./include/grub/efi/uga_draw.h
 ./include/grub/efiemu/efiemu.h
-- 
2.14.2