1 files changed, 34 insertions, 0 deletions
diff --git a/src/boot/efi/log.c b/src/boot/efi/log.c
new file mode 100644
index 0000000000..38e7c5a8a8
--- /dev/null
+++ b/src/boot/efi/log.c
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <efi.h>
+#include <efilib.h>
+
+#include "log.h"
+
+void efi_assert(const char *expr, const char *file, unsigned line, const char *function) {
+        log_error("systemd-boot assertion '%s' failed at %s:%u@%s. Halting.", expr, file, line, function);
+        for (;;)
+                BS->Stall(60 * 1000 * 1000);
+}
+
+EFI_STATUS log_internal(EFI_STATUS status, const char *format, ...) {
+        assert(format);
+
+        int32_t attr = ST->ConOut->Mode->Attribute;
+
+        if (ST->ConOut->Mode->CursorColumn > 0)
+                ST->ConOut->OutputString(ST->ConOut, (char16_t *) u"\r\n");
+        ST->ConOut->SetAttribute(ST->ConOut, EFI_LIGHTRED | EFI_BACKGROUND_BLACK);
+
+        va_list ap;
+        va_start(ap, format);
+        vprintf_status(status, format, ap);
+        va_end(ap);
+
+        ST->ConOut->OutputString(ST->ConOut, (char16_t *) u"\r\n");
+        ST->ConOut->SetAttribute(ST->ConOut, attr);
+
+        /* Give the user a chance to see the message. */
+        BS->Stall(3 * 1000 * 1000);
+        return status;
+}