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path: root/drivers/firmware/efi/libstub/x86-stub.c
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Diffstat (limited to 'drivers/firmware/efi/libstub/x86-stub.c')
-rw-r--r--drivers/firmware/efi/libstub/x86-stub.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c
index 40a10db2d85e..3f3b3edf7a38 100644
--- a/drivers/firmware/efi/libstub/x86-stub.c
+++ b/drivers/firmware/efi/libstub/x86-stub.c
@@ -817,9 +817,9 @@ static void __noreturn enter_kernel(unsigned long kernel_addr,
* return. On failure, it will exit to the firmware via efi_exit() instead of
* returning.
*/
-asmlinkage unsigned long efi_main(efi_handle_t handle,
- efi_system_table_t *sys_table_arg,
- struct boot_params *boot_params)
+void __noreturn efi_stub_entry(efi_handle_t handle,
+ efi_system_table_t *sys_table_arg,
+ struct boot_params *boot_params)
{
unsigned long bzimage_addr = (unsigned long)startup_32;
unsigned long buffer_start, buffer_end;
@@ -964,7 +964,19 @@ asmlinkage unsigned long efi_main(efi_handle_t handle,
enter_kernel(bzimage_addr, boot_params);
fail:
- efi_err("efi_main() failed!\n");
+ efi_err("efi_stub_entry() failed!\n");
efi_exit(handle, status);
}
+
+#ifdef CONFIG_EFI_HANDOVER_PROTOCOL
+#ifndef CONFIG_EFI_MIXED
+extern __alias(efi_stub_entry)
+void efi32_stub_entry(efi_handle_t handle, efi_system_table_t *sys_table_arg,
+ struct boot_params *boot_params);
+
+extern __alias(efi_stub_entry)
+void efi64_stub_entry(efi_handle_t handle, efi_system_table_t *sys_table_arg,
+ struct boot_params *boot_params);
+#endif
+#endif