[lib][uefi] Allow load_pe_file to be called from other apps/libs

Author: zhangxp1998

lib/uefi/include/uefi.h

@@ -0,0 +1,15 @@
+
+#ifndef __LIB_UEFI_HEADER_
+#define __LIB_UEFI_HEADER_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int load_pe_file(const char *blkdev);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

lib/uefi/uefi.cpp

@@ -41,6 +41,8 @@
 #include "system_table.h"
 #include "text_protocol.h"
 
+#include <uefi.h>
+
 namespace {
 
 constexpr auto EFI_SYSTEM_TABLE_SIGNATURE =
@@ -130,6 +132,23 @@ int load_sections_and_execute(bdev_t *dev,
   return call_with_stack(stack + kStackSize, entry, image_base, &table);
 }
 
+
+int cmd_uefi_load(int argc, const console_cmd_args *argv) {
+  if (argc != 2) {
+    printf("Usage: %s <name of block device to load from>\n", argv[0].str);
+    return 1;
+  }
+  load_pe_file(argv[1].str);
+  return 0;
+}
+
+STATIC_COMMAND_START
+STATIC_COMMAND("uefi_load", "load UEFI application and run it", &cmd_uefi_load)
+STATIC_COMMAND_END(uefi);
+
+} // namespace
+
+
 int load_pe_file(const char *blkdev) {
   bdev_t *dev = bio_open(blkdev);
   if (!dev) {
@@ -186,18 +205,3 @@ int load_pe_file(const char *blkdev) {
   printf("UEFI Application return code: %d\n", ret);
   return ret;
 }
-
-int cmd_uefi_load(int argc, const console_cmd_args *argv) {
-  if (argc != 2) {
-    printf("Usage: %s <name of block device to load from>\n", argv[0].str);
-    return 1;
-  }
-  load_pe_file(argv[1].str);
-  return 0;
-}
-
-STATIC_COMMAND_START
-STATIC_COMMAND("uefi_load", "load UEFI application and run it", &cmd_uefi_load)
-STATIC_COMMAND_END(uefi);
-
-} // namespace