summaryrefslogtreecommitdiffstats
path: root/drivers/firmware/efi/libstub/x86-stub.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/firmware/efi/libstub/x86-stub.h')
-rw-r--r--drivers/firmware/efi/libstub/x86-stub.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/firmware/efi/libstub/x86-stub.h b/drivers/firmware/efi/libstub/x86-stub.h
new file mode 100644
index 0000000000..2748bca192
--- /dev/null
+++ b/drivers/firmware/efi/libstub/x86-stub.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <linux/efi.h>
+
+extern struct boot_params *boot_params_pointer asm("boot_params");
+
+extern void trampoline_32bit_src(void *, bool);
+extern const u16 trampoline_ljmp_imm_offset;
+
+void efi_adjust_memory_range_protection(unsigned long start,
+ unsigned long size);
+
+#ifdef CONFIG_X86_64
+efi_status_t efi_setup_5level_paging(void);
+void efi_5level_switch(void);
+#else
+static inline efi_status_t efi_setup_5level_paging(void) { return EFI_SUCCESS; }
+static inline void efi_5level_switch(void) {}
+#endif