Quick code refactor for further modules development

xtldr/modules/xtos/CMakeLists.txt

@@ -0,0 +1,26 @@
+# XT Boot Loader
+PROJECT(XTLDR_XTOS)
+
+# Specify include directories
+include_directories(
+    ${EXECTOS_SOURCE_DIR}/sdk/xtdk
+    ${XTLDR_SOURCE_DIR}/includes)
+
+# Specify list of source code files
+list(APPEND XTLDR_XTOS_SOURCE
+    ${XTLDR_SOURCE_DIR}/blproto.c
+    ${XTLDR_XTOS_SOURCE_DIR}/xtos.c)
+
+# Link bootloader executable
+add_executable(xtos ${XTLDR_XTOS_SOURCE})
+
+# Add linker libraries
+target_link_libraries(xtos libxtos)
+
+# Set proper binary name and install target
+set_target_properties(xtos PROPERTIES SUFFIX .efi)
+set_install_target(xtos efi/boot/xtldr)
+
+# Set loader entrypoint, imagebase address, ordinals and subsystem
+set_entrypoint(xtos "BlXtLdrModuleMain")
+set_subsystem(xtos efi_boot_service_driver)

xtldr/modules/xtos/xtos.c

@@ -0,0 +1,54 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtldr/modules/xtos/xtos.c
+ * DESCRIPTION:     XTOS boot protocol support
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#include <blmod.h>
+
+
+/* EFI Image Handle */
+EFI_HANDLE EfiImageHandle;
+
+/* EFI System Table */
+PEFI_SYSTEM_TABLE EfiSystemTable;
+
+/* EFI XT Loader Protocol */
+PXT_BOOT_LOADER_PROTOCOL EfiXtLdrProtocol;
+
+/**
+ * This routine is the entry point of the XT EFI boot loader module.
+ *
+ * @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
+BlXtLdrModuleMain(EFI_HANDLE ImageHandle,
+                  PEFI_SYSTEM_TABLE SystemTable)
+{
+    EFI_STATUS Status;
+
+    /* Set the system table and image handle */
+    EfiImageHandle = ImageHandle;
+    EfiSystemTable = SystemTable;
+
+    /* Open the XTLDR protocol */
+    Status = BlGetXtLoaderProtocol(&EfiXtLdrProtocol);
+    if(Status != STATUS_EFI_SUCCESS)
+    {
+        /* Failed to open loader protocol */
+        return STATUS_EFI_PROTOCOL_ERROR;
+    }
+
+    /* Return success */
+    return STATUS_EFI_SUCCESS;
+}