Add EFI bootloader subproject

CMakeLists.txt

@@ -63,3 +63,4 @@ set_disk_image_size(128)
 
 # Build subprojects
 add_subdirectory(bootdata)
+add_subdirectory(xtldr)

xtldr/CMakeLists.txt

@@ -0,0 +1,27 @@
+# XT Boot Loader
+PROJECT(XTLDR)
+
+# Specify include directories
+include_directories(
+    ${EXECTOS_SOURCE_DIR}/sdk/xtdk
+    ${XTLDR_SOURCE_DIR}/includes)
+
+# Specify list of source code files
+list(APPEND XTLDR_SOURCE
+    ${XTLDR_SOURCE_DIR}/xtldr.c)
+
+# Add executable
+add_executable(xtldr ${XTLDR_SOURCE})
+
+# Set proper binary name and install target
+if(ARCH STREQUAL "i686")
+	set(BINARY_NAME "bootia32")
+elseif(ARCH STREQUAL "amd64")
+	set(BINARY_NAME "bootx64")
+endif()
+set_target_properties(xtldr PROPERTIES OUTPUT_NAME ${BINARY_NAME} SUFFIX .efi)
+set_install_target(xtldr efi/boot)
+
+# Set loader entrypoint, imagebase address, ordinals and subsystem
+set_entrypoint(xtldr "XtLoaderStartup")
+set_subsystem(xtldr efi_application)

xtldr/includes/xtbl.h

@@ -0,0 +1,25 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtldr/includes/xtbl.h
+ * DESCRIPTION:     Top level header for XTLDR
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#ifndef __XTLDR_XTBL_H
+#define __XTLDR_XTBL_H
+
+#include <xtkmapi.h>
+
+
+/* EFI Image Handle */
+EXTERN EFI_HANDLE EfiImageHandle;
+
+/* EFI System Table */
+EXTERN EFI_SYSTEM_TABLE *EfiSystemTable;
+
+EFI_STATUS
+XtLoaderStartup(IN EFI_HANDLE ImageHandle,
+                IN PEFI_SYSTEM_TABLE SystemTable);
+
+#endif /* __XTLDR_XTBL_H */

xtldr/xtldr.c

@@ -0,0 +1,44 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtldr/xtldr.c
+ * DESCRIPTION:     UEFI XT Bootloader
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#include <xtbl.h>
+
+
+/* EFI Image Handle */
+EFI_HANDLE EfiImageHandle;
+
+/* EFI System Table */
+PEFI_SYSTEM_TABLE EfiSystemTable;
+
+/**
+ * This routine is the entry point of the XT EFI boot loader.
+ *
+ * @param ImageHandle
+ *        Firmware-allocated handle that identifies the image.
+ *
+ * @param SystemTable
+ *        Provides the EFI system table.
+ *
+ * @return This routine returns status code.
+ *
+ * @since XT 1.0
+ */
+EFI_STATUS
+XtLoaderStartup(IN EFI_HANDLE ImageHandle,
+                IN PEFI_SYSTEM_TABLE SystemTable)
+{
+    /* Set the system table and image handle */
+    EfiImageHandle = ImageHandle;
+    EfiSystemTable = SystemTable;
+
+    /* Infinite bootloader loop */
+    for(;;);
+
+    /* Return success */
+    return STATUS_EFI_SUCCESS;
+}