[PATCH v4 11/17] efi_loader: export efi_convert_pointer()

Heinrich Schuchardt xypron.glpk at gmx.de
Sun Jul 12 00:05:38 CEST 2020


We need ConvertPointer() to adjust pointers when implementing  runtime
services within U-Boot.

After ExitBootServices() gd is not available anymore. So we should not use
EFI_ENTRY() and EFI_EXIT().

Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
---
 include/efi_loader.h         | 3 +++
 lib/efi_loader/efi_runtime.c | 8 +++-----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/include/efi_loader.h b/include/efi_loader.h
index ceabbaadd0..be6cede92f 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -397,6 +397,9 @@ efi_status_t efi_root_node_register(void);
 efi_status_t efi_initialize_system_table(void);
 /* efi_runtime_detach() - detach unimplemented runtime functions */
 void efi_runtime_detach(void);
+/* efi_convert_pointer() - convert pointer to virtual address */
+efi_status_t EFIAPI efi_convert_pointer(efi_uintn_t debug_disposition,
+					void **address);
 /* Called by bootefi to make console interface available */
 efi_status_t efi_console_register(void);
 /* Called by bootefi to make all disk storage accessible as EFI objects */
diff --git a/lib/efi_loader/efi_runtime.c b/lib/efi_loader/efi_runtime.c
index 121e2f65c6..45baa2fd3e 100644
--- a/lib/efi_loader/efi_runtime.c
+++ b/lib/efi_loader/efi_runtime.c
@@ -496,15 +496,13 @@ static __efi_runtime efi_status_t EFIAPI efi_convert_pointer_runtime(
  * @address:		pointer to be converted
  * Return:		status code
  */
-static __efi_runtime efi_status_t EFIAPI efi_convert_pointer(
-			efi_uintn_t debug_disposition, void **address)
+__efi_runtime efi_status_t EFIAPI
+efi_convert_pointer(efi_uintn_t debug_disposition, void **address)
 {
 	efi_physical_addr_t addr;
 	efi_uintn_t i;
 	efi_status_t ret = EFI_NOT_FOUND;

-	EFI_ENTRY("%zu %p", debug_disposition, address);
-
 	if (!efi_virtmap) {
 		ret = EFI_UNSUPPORTED;
 		goto out;
@@ -533,7 +531,7 @@ static __efi_runtime efi_status_t EFIAPI efi_convert_pointer(
 	}

 out:
-	return EFI_EXIT(ret);
+	return ret;
 }

 static __efi_runtime void efi_relocate_runtime_table(ulong offset)
--
2.27.0



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