initial commit

Signed-off-by: Ian M. <ian@aptel.org>

1 files changed, 35 insertions, 0 deletions

diff --git a/core/sboot.c b/core/sboot.c
new file mode 100644
index 0000000..e0b2387
--- /dev/null
+++ b/core/sboot.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2026, Apollo Telephone Laboratories.
+ * Provided under the BSD-3 clause.
+ */
+
+#include <efi.h>
+#include <efilib.h>
+#include <sboot/sboot.h>
+#include <sboot/config.h>
+
+EFI_STATUS
+EFIAPI
+efi_main(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable)
+{
+    UINTN NrBootEntries;
+    BOOT_PROTOCOL LastProtocol;
+
+    InitializeLib(ImageHandle, SystemTable);
+    NrBootEntries = NELEM(ConfigBootEntries);
+
+    /* Ensure the list is terminated */
+    LastProtocol = ConfigBootEntries[NrBootEntries - 1].Protocol;
+    if (LastProtocol != PROTOCOL_END) {
+        Print(L"fatal: boot entry list not terminated\n");
+        Hcf();
+    }
+
+    Print(
+        L"SBOOT %s - %d boot entrie(s)\n",
+        SBOOT_VERSION,
+        NELEM(ConfigBootEntries) - 1
+    );
+
+    for (;;);
+}