efi/libstub: Add missing prototype for PE/COFF entry point

Fix a missing prototype warning by adding a forward declaration
for the PE/COFF entrypoint, and while at it, align the function
name between the x86 and ARM versions of the stub.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

diff --git a/arch/arm/boot/compressed/efi-header.S b/arch/arm/boot/compressed/efi-header.S
index 62286da..c0e7a74 100644 (file)
--- a/arch/arm/boot/compressed/efi-header.S
+++ b/arch/arm/boot/compressed/efi-header.S
@@ -60,7 +60,7 @@ optional_header:
                .long   __pecoff_code_size              @ SizeOfCode
                .long   __pecoff_data_size              @ SizeOfInitializedData
                .long   0                               @ SizeOfUninitializedData
-               .long   efi_entry - start               @ AddressOfEntryPoint
+               .long   efi_pe_entry - start            @ AddressOfEntryPoint
                .long   start_offset                    @ BaseOfCode
                .long   __pecoff_data_start - start     @ BaseOfData
 

diff --git a/arch/arm64/kernel/efi-entry.S b/arch/arm64/kernel/efi-entry.S
index 1a03618..5664af1 100644 (file)
--- a/arch/arm64/kernel/efi-entry.S
+++ b/arch/arm64/kernel/efi-entry.S
@@ -14,7 +14,7 @@
 
 SYM_CODE_START(efi_enter_kernel)
        /*
-        * efi_entry() will have copied the kernel image if necessary and we
+        * efi_pe_entry() will have copied the kernel image if necessary and we
         * end up here with device tree address in x1 and the kernel entry
         * point stored in x0. Save those values in registers which are
         * callee preserved.

diff --git a/arch/arm64/kernel/efi-header.S b/arch/arm64/kernel/efi-header.S
index 914999c..f2457d4 100644 (file)
--- a/arch/arm64/kernel/efi-header.S
+++ b/arch/arm64/kernel/efi-header.S
@@ -27,7 +27,7 @@ optional_header:
        .long   __initdata_begin - efi_header_end       // SizeOfCode
        .long   __pecoff_data_size                      // SizeOfInitializedData
        .long   0                                       // SizeOfUninitializedData
-       .long   __efistub_efi_entry - _head             // AddressOfEntryPoint
+       .long   __efistub_efi_pe_entry - _head          // AddressOfEntryPoint
        .long   efi_header_end - _head                  // BaseOfCode
 
 extra_header_fields:

diff --git a/drivers/firmware/efi/libstub/efi-stub.c b/drivers/firmware/efi/libstub/efi-stub.c
index cc8d6f5..9b76343 100644 (file)
--- a/drivers/firmware/efi/libstub/efi-stub.c
+++ b/drivers/firmware/efi/libstub/efi-stub.c
@@ -140,7 +140,8 @@ asmlinkage void __noreturn efi_enter_kernel(unsigned long entrypoint,
  * for both archictectures, with the arch-specific code provided in the
  * handle_kernel_image() function.
  */
-efi_status_t efi_entry(efi_handle_t handle, efi_system_table_t *sys_table_arg)
+efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
+                                  efi_system_table_t *sys_table_arg)
 {
        efi_loaded_image_t *image;
        efi_status_t status;

diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h
index 1de8dc0..03f7460 100644 (file)
--- a/drivers/firmware/efi/libstub/efistub.h
+++ b/drivers/firmware/efi/libstub/efistub.h
@@ -40,6 +40,9 @@ extern bool efi_novamap;
 
 extern const efi_system_table_t *efi_system_table;
 
+efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
+                                  efi_system_table_t *sys_table_arg);
+
 #ifndef ARCH_HAS_EFISTUB_WRAPPERS
 
 #define efi_is_native()                (true)