1 files changed, 57 insertions, 0 deletions
diff --git a/src/boot/efi/util.h b/src/boot/efi/util.h
new file mode 100644
index 0000000..4ba7050
--- /dev/null
+++ b/src/boot/efi/util.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
+
+#include <efi.h>
+#include <efilib.h>
+
+#define ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0]))
+#define OFFSETOF(x,y) __builtin_offsetof(x,y)
+
+static inline const CHAR16 *yes_no(BOOLEAN b) {
+        return b ? L"yes" : L"no";
+}
+
+EFI_STATUS parse_boolean(const CHAR8 *v, BOOLEAN *b);
+
+UINT64 ticks_read(void);
+UINT64 ticks_freq(void);
+UINT64 time_usec(void);
+
+EFI_STATUS efivar_set(const CHAR16 *name, const CHAR16 *value, BOOLEAN persistent);
+EFI_STATUS efivar_set_raw(const EFI_GUID *vendor, const CHAR16 *name, const VOID *buf, UINTN size, BOOLEAN persistent);
+EFI_STATUS efivar_set_int(CHAR16 *name, UINTN i, BOOLEAN persistent);
+VOID efivar_set_time_usec(CHAR16 *name, UINT64 usec);
+
+EFI_STATUS efivar_get(const CHAR16 *name, CHAR16 **value);
+EFI_STATUS efivar_get_raw(const EFI_GUID *vendor, const CHAR16 *name, CHAR8 **buffer, UINTN *size);
+EFI_STATUS efivar_get_int(const CHAR16 *name, UINTN *i);
+
+CHAR8 *strchra(CHAR8 *s, CHAR8 c);
+CHAR16 *stra_to_path(CHAR8 *stra);
+CHAR16 *stra_to_str(CHAR8 *stra);
+
+EFI_STATUS file_read(EFI_FILE_HANDLE dir, const CHAR16 *name, UINTN off, UINTN size, CHAR8 **content, UINTN *content_size);
+
+static inline void FreePoolp(void *p) {
+        void *q = *(void**) p;
+
+        if (!q)
+                return;
+
+        FreePool(q);
+}
+
+#define _cleanup_(x) __attribute__((__cleanup__(x)))
+#define _cleanup_freepool_ _cleanup_(FreePoolp)
+
+static inline void FileHandleClosep(EFI_FILE_HANDLE *handle) {
+        if (!*handle)
+                return;
+
+        uefi_call_wrapper((*handle)->Close, 1, *handle);
+}
+
+const EFI_GUID loader_guid;
+
+#define UINTN_MAX (~(UINTN)0)
+#define INTN_MAX ((INTN)(UINTN_MAX>>1))