Synchronize fork

bootdata/xtldr/xtldr.ini

@@ -6,7 +6,6 @@
 # Debug        - enables the debugging port and consists of two comma-separated parameters: com port and baud rate;
 #                it is also possible to specify custom port address with: COM0:[address],[baud_rate]
 # Default      - specifies which operating system listen in config file will be started if no choice is made
-# Theme        - allows to set a custom theme to personalize XTLDR's look'n'feel
 # Timeout      - sets the countdown timer (in seconds) before the default OS get started automatically
 # Tune         - plays a tune on the pcspeaker right before the XTLDR loads
 #
@@ -25,7 +24,6 @@
 Tune=400 880 2 988 2 783 2 392 2 587 3
 Debug=COM1,115200
 Timeout=30
-Theme=Fancy
 Default=ExectOS
 
 [ExectOS]

sdk/xtdk/bltypes.h

@@ -0,0 +1,89 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            sdk/xtdk/bmtypes.h
+ * DESCRIPTION:     XT Boot Manager structures definitions
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#ifndef __XTDK_BMTYPES_H
+#define __XTDK_BMTYPES_H
+
+#include <xttypes.h>
+#include <xtuefi.h>
+
+
+/* XTLDR directories */
+#define XTBL_LOADER_DIRECTORY                                       L"\\EFI\\BOOT\\XTLDR\\"
+#define XTBL_THEMES_DIRECTORY                                       L"\\EFI\\BOOT\\XTLDR\\THEMES\\"
+
+/* XTLDR Debug Port type definitions */
+#define XTBL_DEBUGPORT_SCREEN                                       1
+#define XTBL_DEBUGPORT_SERIAL                                       2
+
+/* Loader protocol routine pointers */
+typedef EFI_STATUS (*PBL_ALLOCATE_PAGES)(IN UINT64 Size, OUT PEFI_PHYSICAL_ADDRESS Memory);
+typedef EFI_STATUS (*PBL_ALLOCATE_POOL)(IN UINT_PTR Size, OUT PVOID *Memory);
+typedef VOID (*PBL_CONSOLE_CLEAR_SCREEN)();
+typedef VOID (*PBL_CONSOLE_DISABLE_CURSOR)();
+typedef VOID (*PBL_CONSOLE_ENABLE_CURSOR)();
+typedef VOID (*PBL_CONSOLE_PRINT)(IN PUINT16 Format, IN ...);
+typedef VOID (*PBL_DEBUG_PRINT)(IN PUINT16 Format, IN ...);
+typedef EFI_STATUS (*PBL_EXIT_BOOT_SERVICES)(IN UINT_PTR MapKey);
+typedef EFI_STATUS (*PBL_FREE_PAGES)(IN UINT64 Size, IN EFI_PHYSICAL_ADDRESS Memory);
+typedef EFI_STATUS (*PBL_FREE_POOL)(IN PVOID Memory);
+typedef EFI_STATUS (*PBL_OPEN_XT_PROTOCOL)(OUT PVOID *ProtocolHandler, IN PEFI_GUID ProtocolGuid);
+typedef VOID (*PBL_SLEEP_EXECUTION)(IN ULONG_PTR Milliseconds);
+
+/* XTLDR Configuration data */
+typedef struct _XTBL_CONFIGURATION
+{
+    PWCHAR Default;
+    PWCHAR Debug;
+    ULONG DebugPort;
+    BOOLEAN Shell;
+    ULONG Timeout;
+    PWCHAR Tune;
+} XTBL_CONFIGURATION, *PXTBL_CONFIGURATION;
+
+/* XTLDR Status data */
+typedef struct _XTBL_STATUS
+{
+    BOOLEAN BootServices;
+    EFI_HANDLE ImageHandle;
+    PEFI_SYSTEM_TABLE SystemTable;
+} XTBL_STATUS, *PXTBL_STATUS;
+
+/* XTLDR Loader protocol */
+typedef struct _XTBL_LOADER_PROTOCOL
+{
+    struct
+    {
+        PBL_CONSOLE_CLEAR_SCREEN ClearScreen;
+        PBL_CONSOLE_DISABLE_CURSOR DisableCursor;
+        PBL_CONSOLE_ENABLE_CURSOR EnableCursor;
+        PBL_CONSOLE_PRINT Print;
+    } Console;
+    struct
+    {
+        PBL_DEBUG_PRINT Print;
+    } Debug;
+    struct
+    {
+        PBL_ALLOCATE_PAGES AllocatePages;
+        PBL_ALLOCATE_POOL AllocatePool;
+        PBL_FREE_PAGES FreePages;
+        PBL_FREE_POOL FreePool;
+    } Memory;
+    struct
+    {
+        PBL_OPEN_XT_PROTOCOL Open;
+    } Protocol;
+    struct
+    {
+        PBL_EXIT_BOOT_SERVICES ExitBootServices;
+        PBL_SLEEP_EXECUTION SleepExecution;
+    } Util;
+} XTBL_LOADER_PROTOCOL, *PXTBL_LOADER_PROTOCOL;
+
+#endif /* __XTDK_BMTYPES_H */

sdk/xtdk/xtblapi.h

@@ -1,8 +1,8 @@
 /**
  * PROJECT:         ExectOS
  * COPYRIGHT:       See COPYING.md in the top level directory
- * FILE:            sdk/xtdk/xtbmapi.h
+ * FILE:            sdk/xtdk/xtblapi.h
- * DESCRIPTION:     Top level header for the XT Boot Manager API
+ * DESCRIPTION:     Top level header for the XT Boot Loader API
  * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
  */
 
@@ -16,7 +16,7 @@
 #include <xtstruct.h>
 
 /* Architecture-specific XT forward references */
-#include ARCH_HEADER(xtstruct.h)
+// #include ARCH_HEADER(xtstruct.h)
 
 /* Architecture-independent XT API */
 #include <xtbase.h>
@@ -32,15 +32,16 @@
 #include <rtltypes.h>
 
 /* Architecture dependent XT kernel data types */
-#include ARCH_HEADER(artypes.h)
+// #include ARCH_HEADER(artypes.h)
-#include ARCH_HEADER(hltypes.h)
+// #include ARCH_HEADER(hltypes.h)
 
 /* XT Kernel runtime routines */
+#include <hlfuncs.h>
 #include <rtlfuncs.h>
 
 /* Architecture specific XT kernel routines */
-#include ARCH_HEADER(arfuncs.h)
+// #include ARCH_HEADER(arfuncs.h)
-#include ARCH_HEADER(hlfuncs.h)
+// #include ARCH_HEADER(hlfuncs.h)
 
 /* Boot Manager specific structures */
-#include <bmtypes.h>
+#include <bltypes.h>

xtldr2/CMakeLists.txt

@@ -10,9 +10,12 @@ include_directories(
 list(APPEND XTLDR_SOURCE
     ${XTLDR_SOURCE_DIR}/config.c
     ${XTLDR_SOURCE_DIR}/console.c
+    ${XTLDR_SOURCE_DIR}/debug.c
+    ${XTLDR_SOURCE_DIR}/efiutils.c
     ${XTLDR_SOURCE_DIR}/globals.c
     ${XTLDR_SOURCE_DIR}/hardware.c
     ${XTLDR_SOURCE_DIR}/memory.c
+    ${XTLDR_SOURCE_DIR}/protocol.c
     ${XTLDR_SOURCE_DIR}/string.c
     ${XTLDR_SOURCE_DIR}/xtldr.c)
 

xtldr2/config.c

@@ -7,7 +7,7 @@
  *                  Jozef Nagy <schkwve@gmail.com>
  */
 
-#include <xtbm.h>
+#include <xtldr.h>
 
 /**
  * Parses configuration INI file contents.
@@ -117,7 +117,7 @@ BlConfigParseIniFile(IN PWCHAR FileContents,
  */
 XTCDECL
 VOID
-BlpConfigParseCommandLine(VOID)
+BlpParseCommandLineOptions(VOID)
 {
     EFI_GUID LIPGuid = EFI_LOADED_IMAGE_PROTOCOL_GUID;
     PEFI_LOADED_IMAGE_PROTOCOL LoadedImage;
@@ -131,7 +131,7 @@ BlpConfigParseCommandLine(VOID)
         if(LoadedImage && LoadedImage->LoadOptions)
         {
             /* Update global boot loader configuration */
-            BlpConfigUpdateGlobalConfiguration(LoadedImage->LoadOptions);
+            BlpUpdateGlobalConfiguration(LoadedImage->LoadOptions);
         }
     }
 }
@@ -148,7 +148,7 @@ BlpConfigParseCommandLine(VOID)
  */
 XTCDECL
 VOID
-BlpConfigUpdateGlobalConfiguration(IN PWCHAR Options)
+BlpUpdateGlobalConfiguration(IN PWCHAR Options)
 {
     PWCHAR Argument, LastArg;
     SIZE_T Length;
@@ -177,27 +177,20 @@ BlpConfigUpdateGlobalConfiguration(IN PWCHAR Options)
             Argument += 6;
             Length = RtlWideStringLength(Argument, 0);
 
-            /* Save debug port in global configuration */
+            /* Store debug port configuration if not set already */
-            BlMemoryAllocatePool(Length, (PVOID *)&BlpConfiguration.Debug);
+            if(BlpConfiguration.Debug == NULL)
-            RtlCopyMemory(BlpConfiguration.Debug, Argument, (Length * sizeof(WCHAR)) - 1);
+            {
-            BlpConfiguration.Debug[Length] = '\0';
+                /* Save debug port in global configuration */
+                BlMemoryAllocatePool(Length, (PVOID *)&BlpConfiguration.Debug);
+                RtlCopyMemory(BlpConfiguration.Debug, Argument, (Length * sizeof(WCHAR)) - 1);
+                BlpConfiguration.Debug[Length] = '\0';
+            }
         }
         else if(RtlWideStringCompare(Argument, L"SHELL", 5) == 0)
         {
             /* Force shell mode */
             BlpConfiguration.Shell = TRUE;
         }
-        else if(RtlWideStringCompare(Argument, L"THEME=", 6) == 0)
-        {
-            /* Skip to the argument value */
-            Argument += 6;
-            Length = RtlWideStringLength(Argument, 0);
-
-            /* Save theme in global configuration */
-            BlMemoryAllocatePool(Length, (PVOID *)&BlpConfiguration.Theme);
-            RtlCopyMemory(BlpConfiguration.Theme, Argument, (Length * sizeof(WCHAR)) - 1);
-            BlpConfiguration.Theme[Length] = '\0';
-        }
         else if(RtlWideStringCompare(Argument, L"TIMEOUT=", 8) == 0)
         {
             /* Skip to the argument value */

xtldr2/console.c

@@ -6,7 +6,7 @@
  * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
  */
 
-#include <xtbm.h>
+#include <xtldr.h>
 
 
 /**
@@ -52,27 +52,6 @@ BlConsoleEnableCursor()
     EfiSystemTable->ConOut->EnableCursor(EfiSystemTable->ConOut, TRUE);
 }
 
-/**
- * This routine initializes the EFI console.
- *
- * @return This routine returns status code.
- *
- * @since XT 1.0
- */
-XTCDECL
-VOID
-BlConsoleInitialize()
-{
-    /* Clear console buffers */
-    EfiSystemTable->ConIn->Reset(EfiSystemTable->ConIn, TRUE);
-    EfiSystemTable->ConOut->Reset(EfiSystemTable->ConOut, TRUE);
-    EfiSystemTable->StdErr->Reset(EfiSystemTable->StdErr, TRUE);
-
-    /* Clear screen and enable cursor */
-    BlConsoleClearScreen();
-    BlConsoleEnableCursor();
-}
-
 /**
  * This routine formats the input string and prints it out to the stdout and serial console.
  *
@@ -99,10 +78,42 @@ BlConsolePrint(IN PUINT16 Format,
     /* Format and print the string to the stdout */
     BlpStringPrint(BlpConsolePrintChar, Format, Arguments);
 
+    /* Print to serial console only if not running under OVMF */
+    if(RtlWideStringCompare(EfiSystemTable->FirmwareVendor, L"EDK II", 6) != 0)
+    {
+        /* Check if debugging enabled and if EFI serial port is fully initialized */
+        if(DEBUG && (BlpSerialPort.Flags & COMPORT_FLAG_INIT))
+        {
+            /* Format and print the string to the serial console */
+            BlpStringPrint(BlpDebugPutChar, Format, Arguments);
+        }
+    }
+
     /* Clean up the va_list */
     VA_END(Arguments);
 }
 
+/**
+ * This routine initializes the EFI console.
+ *
+ * @return This routine returns status code.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+VOID
+BlpConsoleInitialize()
+{
+    /* Clear console buffers */
+    EfiSystemTable->ConIn->Reset(EfiSystemTable->ConIn, TRUE);
+    EfiSystemTable->ConOut->Reset(EfiSystemTable->ConOut, TRUE);
+    EfiSystemTable->StdErr->Reset(EfiSystemTable->StdErr, TRUE);
+
+    /* Clear screen and enable cursor */
+    BlConsoleClearScreen();
+    BlConsoleEnableCursor();
+}
+
 /**
  * Writes a character to the default EFI console.
  *

xtldr2/debug.c

@@ -0,0 +1,260 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtldr/debug.c
+ * DESCRIPTION:     XT Boot Loader debugging support
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#include <xtldr.h>
+
+
+/**
+ * This routine formats the input string and prints it out to the debug ports.
+ *
+ * @param Format
+ *        The formatted string that is to be written to the output.
+ *
+ * @param ...
+ *        Depending on the format string, this routine might expect a sequence of additional arguments.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+VOID
+BlDebugPrint(IN PUINT16 Format,
+             IN ...)
+{
+    VA_LIST Arguments;
+
+    /* Check if debugging enabled and if EFI serial port is fully initialized */
+    if(DEBUG)
+    {
+        /* Initialise the va_list */
+        VA_START(Arguments, Format);
+
+        /* Check if serial debug port is enabled */
+        if((BlpConfiguration.DebugPort & XTBL_DEBUGPORT_SERIAL) && (BlpSerialPort.Flags & COMPORT_FLAG_INIT))
+        {
+            /* Format and print the string to the serial console */
+            BlpStringPrint(BlpDebugPutChar, Format, Arguments);
+        }
+
+        /* Check if screen debug port is enabled and Boot Services are still available */
+        if((BlpConfiguration.DebugPort & XTBL_DEBUGPORT_SCREEN) && (BlpStatus.BootServices == TRUE))
+        {
+            /* Format and print the string to the screen */
+            BlpStringPrint(BlpConsolePrintChar, Format, Arguments);
+        }
+
+        /* Clean up the va_list */
+        VA_END(Arguments);
+    }
+}
+
+/**
+ * This routine initializes the XTLDR debug console.
+ *
+ * @return This routine returns a status code.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+EFI_STATUS
+BlpInitializeDebugConsole()
+{
+    ULONG PortAddress, PortNumber, BaudRate;
+    PWCHAR DebugPort, LastPort;
+    EFI_STATUS Status;
+
+    /* Set default serial port options */
+    PortAddress = 0;
+    PortNumber = 0;
+    BaudRate = 0;
+
+    /* Make sure any debug options are provided */
+    if(BlpConfiguration.Debug)
+    {
+        /* Find all debug ports */
+        DebugPort = RtlWideStringTokenize(BlpConfiguration.Debug, L";", &LastPort);
+
+        /* Iterate over all debug ports */
+        while(DebugPort != NULL)
+        {
+            /* Check what port is set for debugging */
+            if(RtlWideStringCompare(DebugPort, L"COM", 3) == 0)
+            {
+                /* Read COM port number */
+                DebugPort += 3;
+                while(*DebugPort >= '0' && *DebugPort <= '9')
+                {
+                    /* Get port number */
+                    PortNumber *= 10;
+                    PortNumber += *DebugPort - '0';
+                    DebugPort++;
+                }
+
+                /* Check if custom COM port address supplied */
+                if(PortNumber == 0 && RtlWideStringCompare(DebugPort, L":0x", 3) == 0)
+                {
+                    /* COM port address provided */
+                    DebugPort += 3;
+                    while((*DebugPort >= '0' && *DebugPort <= '9') ||
+                          (*DebugPort >= 'A' && *DebugPort <= 'F') ||
+                          (*DebugPort >= 'a' && *DebugPort <= 'f'))
+                    {
+                        /* Get port address */
+                        PortAddress *= 16;
+                        if(*DebugPort >= '0' && *DebugPort <= '9')
+                        {
+                            PortAddress += *DebugPort - '0';
+                        }
+                        else if(*DebugPort >= 'A' && *DebugPort <= 'F')
+                        {
+                            PortAddress += *DebugPort - 'A' + 10;
+                        }
+                        else if(*DebugPort >= 'a' && *DebugPort <= 'f')
+                        {
+                            PortAddress += *DebugPort - 'a' + 10;
+                        }
+                        DebugPort++;
+                    }
+                }
+
+                /* Look for additional COM port parameters */
+                if(*DebugPort == ',')
+                {
+                    /* Baud rate provided */
+                    DebugPort++;
+                    while(*DebugPort >= '0' && *DebugPort <= '9')
+                    {
+                        /* Get baud rate */
+                        BaudRate *= 10;
+                        BaudRate += *DebugPort - '0';
+                        DebugPort++;
+                    }
+                }
+
+                /* Enable debug port */
+                BlpConfiguration.DebugPort |= XTBL_DEBUGPORT_SERIAL;
+            }
+            else if(RtlWideStringCompare(DebugPort, L"SCREEN", 5) == 0)
+            {
+                /* Enable debug port */
+                BlpConfiguration.DebugPort |= XTBL_DEBUGPORT_SCREEN;
+            }
+            else
+            {
+                /* Unsupported debug port specified */
+                BlConsolePrint(L"ERROR: Unsupported debug port ('%S') specified\n", DebugPort);
+                BlSleepExecution(3000);
+            }
+
+            /* Take next debug port */
+            DebugPort = RtlWideStringTokenize(NULL, L";", &LastPort);
+        }
+    }
+
+    /* Check if serial debug port is enabled */
+    if(BlpConfiguration.DebugPort & XTBL_DEBUGPORT_SERIAL)
+    {
+        /* Try to initialize COM port */
+        Status = BlpInitializeSerialPort(PortNumber, PortAddress, BaudRate);
+        if(Status != STATUS_EFI_SUCCESS)
+        {
+            /* Remove serial debug port, as COM port initialization failed and return */
+            BlpConfiguration.DebugPort &= ~XTBL_DEBUGPORT_SERIAL;
+            return Status;
+        }
+    }
+
+    /* Return success */
+    return STATUS_EFI_SUCCESS;
+}
+
+/**
+ * This routine initializes the serial debug console.
+ *
+ * @param PortNumber
+ *        Supplies a port number.
+ *
+ * @param PortAddress
+ *        Supplies an address of the COM port.
+ *
+ * @param BaudRate
+ *        Supplies an optional port baud rate.
+ *
+ * @return This routine returns a status code.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+EFI_STATUS
+BlpInitializeSerialPort(IN ULONG PortNumber,
+                        IN ULONG PortAddress,
+                        IN ULONG BaudRate)
+{
+    EFI_STATUS EfiStatus;
+    XTSTATUS Status;
+
+    /* Print debug message depending on port settings */
+    if(PortAddress)
+    {
+        BlConsolePrint(L"Initializing serial console at COM port address: 0x%lx\n", PortAddress);
+    }
+    else
+    {
+        BlConsolePrint(L"Initializing serial console at port COM%d\n", PortNumber);
+    }
+
+    /* Initialize COM port */
+    Status = HlInitializeComPort(&BlpSerialPort, PortNumber, UlongToPtr(PortAddress), BaudRate);
+
+    /* Port not found under supplied address */
+    if(Status == STATUS_NOT_FOUND && PortAddress)
+    {
+        /* This might be PCI(E) serial controller, try to activate I/O space access first */
+        EfiStatus = BlpActivateSerialIOController();
+        if(EfiStatus == STATUS_EFI_SUCCESS)
+        {
+            /* Try to reinitialize COM port */
+            BlConsolePrint(L"Enabled I/O space access for all PCI(E) serial controllers found\n");
+            Status = HlInitializeComPort(&BlpSerialPort, PortNumber, UlongToPtr(PortAddress), BaudRate);
+        }
+    }
+
+    /* Check COM port initialization status code */
+    if(Status != STATUS_SUCCESS)
+    {
+        /* Serial port initialization failed, mark as not ready */
+        return STATUS_EFI_NOT_READY;
+    }
+
+    /* Return success */
+    return STATUS_EFI_SUCCESS;
+}
+
+/**
+ * Writes a character to the serial console.
+ *
+ * @param Character
+ *        The integer promotion of the character to be written.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+VOID
+BlpDebugPutChar(IN USHORT Character)
+{
+    USHORT Buffer[2];
+
+    /* Write character to the serial console */
+    Buffer[0] = Character;
+    Buffer[1] = 0;
+
+    HlComPortPutByte(&BlpSerialPort, Buffer[0]);
+}

xtldr2/efiutils.c

@@ -0,0 +1,82 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtldr/efiutils.c
+ * DESCRIPTION:     EFI related routines for XT Boot Loader
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#include <xtldr.h>
+
+
+/**
+ * Exits EFI boot services.
+ *
+ * @param MapKey
+ *        Identifies the current memory map of the system.
+ *
+ * @return This routine returns status code.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+EFI_STATUS
+BlExitBootServices(IN UINT_PTR MapKey)
+{
+    EFI_STATUS Status;
+
+    /* Attempt to exit boot services */
+    Status = EfiSystemTable->BootServices->ExitBootServices(BlpStatus.ImageHandle, MapKey);
+    if(Status != STATUS_EFI_SUCCESS)
+    {
+        /* Retry as UEFI spec says to do it twice */
+        Status = EfiSystemTable->BootServices->ExitBootServices(BlpStatus.ImageHandle, MapKey);
+    }
+
+    /* Make sure boot services were successfully exited */
+    if(Status == STATUS_EFI_SUCCESS)
+    {
+        /* Mark EFI Boot Services as no longer available */
+        BlpStatus.BootServices = FALSE;
+    }
+
+    /* Return EFI status code */
+    return Status;
+}
+
+/**
+ * Puts the system to sleep for the specified number of milliseconds.
+ *
+ * @param Milliseconds
+ *        Supplies the number of milliseconds to sleep.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+VOID
+BlSleepExecution(IN ULONG_PTR Milliseconds)
+{
+    EfiSystemTable->BootServices->Stall(Milliseconds * 1000);
+}
+
+/**
+ * Initializes EFI Boot Loader (XTLDR).
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+VOID
+BlpInitializeEfiBootLoader()
+{
+    /* Set current XTLDR status */
+    BlpStatus.BootServices = TRUE;
+    BlpStatus.ImageHandle = EfiImageHandle;
+    BlpStatus.SystemTable = EfiSystemTable;
+
+    /* Initialize console */
+    BlpConsoleInitialize();
+}

xtldr2/globals.c

@@ -6,11 +6,11 @@
  * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
  */
 
-#include <xtbm.h>
+#include <xtldr.h>
 
 
 /* XT Boot Loader configuration data */
-XTBM_CONFIGURATION BlpConfiguration = {0};
+XTBL_CONFIGURATION BlpConfiguration = {0};
 
 /* XT Boot Loader hex table */
 STATIC PUINT16 BlpHexTable = L"0123456789ABCDEF";
@@ -18,6 +18,9 @@ STATIC PUINT16 BlpHexTable = L"0123456789ABCDEF";
 /* Serial port configuration */
 CPPORT BlpSerialPort;
 
+/* XT Boot Loader status data */
+XTBL_STATUS BlpStatus = {0};
+
 /* EFI Image Handle */
 EFI_HANDLE EfiImageHandle;
 

xtldr2/hardware.c

@@ -6,7 +6,7 @@
  * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
  */
 
-#include <xtbm.h>
+#include <xtldr.h>
 
 
 /**
@@ -18,7 +18,7 @@
  */
 XTCDECL
 EFI_STATUS
-BlpHwActivateSerialIOController()
+BlpActivateSerialIOController()
 {
     EFI_GUID PciGuid = EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_GUID;
     PEFI_PCI_ROOT_BRIDGE_IO_PROTOCOL PciDev;

xtldr2/includes/bootman.h

@@ -1,7 +1,7 @@
 /**
  * PROJECT:         ExectOS
  * COPYRIGHT:       See COPYING.md in the top level directory
- * FILE:            xtldr/includes/xtbm.h
+ * FILE:            xtldr/includes/bootman.h
  * DESCRIPTION:     XTLDR Boot Loader related structures and routines forward references
  * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
  */
@@ -9,23 +9,27 @@
 #ifndef __XTLDR_BOOTMAN_H
 #define __XTLDR_BOOTMAN_H
 
-#include <xtbmapi.h>
+#include <xtblapi.h>
 
 
 /* XTLDR routine callbacks */
 typedef VOID (BMPRINTCHAR)(IN USHORT Character);
 
+/* XTLDR routines forward references */
+XTCDECL
+EFI_STATUS
+BlExitBootServices(IN UINT_PTR MapKey);
+
 XTCDECL
 EFI_STATUS
 BlMemoryAllocatePages(IN UINT64 Pages,
-                   OUT PEFI_PHYSICAL_ADDRESS Memory);
+                      OUT PEFI_PHYSICAL_ADDRESS Memory);
 
 XTCDECL
 EFI_STATUS
 BlMemoryAllocatePool(IN UINT_PTR Size,
-                  OUT PVOID *Memory);
+                     OUT PVOID *Memory);
 
-/* XTLDR routines forward references */
 XTCDECL
 VOID
 BlConsoleClearScreen();
@@ -38,24 +42,54 @@ XTCDECL
 VOID
 BlConsoleEnableCursor();
 
+XTCDECL
+VOID
+BlConsolePrint(IN PUINT16 Format,
+               IN ...);
+
+XTCDECL
+VOID
+BlDebugPrint(IN PUINT16 Format,
+             IN ...);
+
 XTCDECL
 EFI_STATUS
-BlMemoreFreePages(IN UINT64 Pages,
+BlMemoryFreePages(IN UINT64 Pages,
-               IN EFI_PHYSICAL_ADDRESS Memory);
+                  IN EFI_PHYSICAL_ADDRESS Memory);
 
 XTCDECL
 EFI_STATUS
 BlMemoryFreePool(IN PVOID Memory);
 
+XTCDECL
+EFI_STATUS
+BlOpenXtProtocol(OUT PVOID *ProtocolHandler,
+                 IN PEFI_GUID ProtocolGuid);
 
 XTCDECL
 VOID
-BlConsoleInitialize();
+BlSleepExecution(IN ULONG_PTR Milliseconds);
+
+XTCDECL
+EFI_STATUS
+BlStartXtLoader(IN EFI_HANDLE ImageHandle,
+                IN PEFI_SYSTEM_TABLE SystemTable);
+
+XTCDECL
+EFI_STATUS
+BlpActivateSerialIOController();
 
 XTCDECL
 VOID
-BlConsolePrint(IN PUINT16 Format,
+BlpParseCommandLineOptions(VOID);
-        IN ...);
+
+XTCDECL
+VOID
+BlpUpdateGlobalConfiguration(IN PWCHAR Options);
+
+XTCDECL
+VOID
+BlpConsoleInitialize();
 
 XTCDECL
 VOID
@@ -63,15 +97,25 @@ BlpConsolePrintChar(IN USHORT Character);
 
 XTCDECL
 VOID
-BlpStringPrint(IN IN BMPRINTCHAR PrintCharRoutine,
+BlpDebugPutChar(IN USHORT Character);
-              IN PUINT16 Format,
-              IN VA_LIST Arguments);
 
 XTCDECL
 EFI_STATUS
-BmStartXtLoader(IN EFI_HANDLE ImageHandle,
+BlpInitializeDebugConsole();
-                IN PEFI_SYSTEM_TABLE SystemTable);
 
+XTCDECL
+VOID
+BlpInitializeEfiBootLoader();
+
+XTCDECL
+EFI_STATUS
+BlpInitializeSerialPort(IN ULONG PortNumber,
+                        IN ULONG PortAddress,
+                        IN ULONG BaudRate);
+
+XTCDECL
+EFI_STATUS
+BlpRegisterXtLoaderProtocol();
 
 XTCDECL
 VOID
@@ -86,7 +130,9 @@ BlConfigParseIniFile(IN PWCHAR FileContents,
 
 XTCDECL
 VOID
-BlpConfigParseCommandLine(VOID);
+BlpStringPrint(IN IN BMPRINTCHAR PrintCharRoutine,
+               IN PUINT16 Format,
+               IN VA_LIST Arguments);
 
 XTCDECL
 VOID
@@ -118,8 +164,4 @@ XTCDECL
 UINT64
 BlpStringReadPadding(IN PUINT16 *Format);
 
-XTCDECL
-VOID
-BlpConfigUpdateGlobalConfiguration(IN PWCHAR Options);
-
 #endif /* __XTLDR_BOOTMAN_H */

xtldr2/includes/globals.h

@@ -1,7 +1,7 @@
 /**
  * PROJECT:         ExectOS
  * COPYRIGHT:       See COPYING.md in the top level directory
- * FILE:            xtldr/includes/xtbm.h
+ * FILE:            xtldr/includes/globals.h
  * DESCRIPTION:     XTLDR global variables
  * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
  */
@@ -9,10 +9,10 @@
 #ifndef __XTLDR_GLOBALS_H
 #define __XTLDR_GLOBALS_H
 
-#include <xtbmapi.h>
+#include <xtblapi.h>
 
 /* XT Boot Loader configuration data */
-EXTERN XTBM_CONFIGURATION BlpConfiguration;
+EXTERN XTBL_CONFIGURATION BlpConfiguration;
 
 /* XT Boot Loader hex table */
 EXTERN PUINT16 BlpHexTable;
@@ -20,6 +20,9 @@ EXTERN PUINT16 BlpHexTable;
 /* Serial port configuration */
 EXTERN CPPORT BlpSerialPort;
 
+/* XT Boot Loader status data */
+EXTERN XTBL_STATUS BlpStatus;
+
 /* EFI Image Handle */
 EXTERN EFI_HANDLE EfiImageHandle;
 

xtldr2/includes/xtldr.h

@@ -1,18 +1,18 @@
 /**
  * PROJECT:         ExectOS
  * COPYRIGHT:       See COPYING.md in the top level directory
- * FILE:            xtldr/includes/xtbm.h
+ * FILE:            xtldr/includes/xtldr.h
  * DESCRIPTION:     Top level header for XTLDR
  * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
  */
 
-#ifndef __XTLDR_XTBM_H
+#ifndef __XTLDR_XTLDR_H
-#define __XTLDR_XTBM_H
+#define __XTLDR_XTLDR_H
 
-#include <xtbmapi.h>
+#include <xtblapi.h>
 #include <xtver.h>
 
 #include <globals.h>
 #include <bootman.h>
 
-#endif /* __XTLDR_XTBM_H */
+#endif /* __XTLDR_XTLDR_H */

xtldr2/memory.c

@@ -6,7 +6,7 @@
  * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
  */
 
-#include <xtbm.h>
+#include <xtldr.h>
 
 
 /**
@@ -67,7 +67,7 @@ BlMemoryAllocatePool(IN UINT_PTR Size,
  */
 XTCDECL
 EFI_STATUS
-BlMemoreFreePages(IN UINT64 Pages,
+BlMemoryFreePages(IN UINT64 Pages,
                   IN EFI_PHYSICAL_ADDRESS Memory)
 {
     return EfiSystemTable->BootServices->FreePages(Memory, Pages);

xtldr2/protocol.c

@@ -0,0 +1,109 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtldr/protocol.c
+ * DESCRIPTION:     XT Boot Loader protocol support
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#include <xtldr.h>
+
+
+/**
+ * This routine locates and opens the requested XT boot loader protocol.
+ *
+ * @param ProtocolHandler
+ *        Supplies the address where a pointer to the opened protocol is returned.
+ *
+ * @param ProtocolGuid
+ *        Supplies a pointer to the unique protocol GUID.
+ *
+ * @return This routine returns status code.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+EFI_STATUS
+BlOpenXtProtocol(OUT PVOID *ProtocolHandler,
+                 IN PEFI_GUID ProtocolGuid)
+{
+    PEFI_HANDLE Handles = NULL;
+    EFI_STATUS Status;
+    UINT_PTR Count;
+    UINT Index;
+
+    /* Try to locate the handles */
+    Status = EfiSystemTable->BootServices->LocateHandleBuffer(ByProtocol, ProtocolGuid, NULL, &Count, &Handles);
+    if(Status != STATUS_EFI_SUCCESS)
+    {
+        /* Unable to get handles */
+        return Status;
+    }
+
+    /* Check if any handles returned */
+    if(Count > 0)
+    {
+        /* Iterate through all given handles */
+        for(Index = 0; Index < Count; Index++)
+        {
+            /* Try to open protocol */
+            Status = EfiSystemTable->BootServices->OpenProtocol(Handles[Index], ProtocolGuid,
+                                                                ProtocolHandler, EfiImageHandle, NULL,
+                                                                EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL);
+
+            /* Check if successfully opened the loader protocol */
+            if(Status == STATUS_EFI_SUCCESS)
+            {
+                /* Protocol found and successfully opened */
+                break;
+            }
+        }
+    }
+
+    /* Free handles */
+    EfiSystemTable->BootServices->FreePool(Handles);
+
+    /* Make sure the loaded protocol has been found */
+    if(*ProtocolHandler == NULL)
+    {
+        /* Protocol not found */
+        return STATUS_EFI_NOT_FOUND;
+    }
+
+    /* Return success */
+	return STATUS_EFI_SUCCESS;
+}
+
+/**
+ * This routine registers XTLDR protocol for further usage by modules.
+ *
+ * @return This routine returns status code.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+EFI_STATUS
+BlpRegisterXtLoaderProtocol()
+{
+    EFI_GUID Guid = XT_BOOT_LOADER_PROTOCOL_GUID;
+    XTBL_LOADER_PROTOCOL LdrProtocol;
+    EFI_HANDLE Handle = NULL;
+
+    /* Set all routines available via loader protocol */
+    LdrProtocol.Console.ClearScreen = BlConsoleClearScreen;
+    LdrProtocol.Console.DisableCursor = BlConsoleDisableCursor;
+    LdrProtocol.Console.EnableCursor = BlConsoleEnableCursor;
+    LdrProtocol.Console.Print = BlConsolePrint;
+    LdrProtocol.Debug.Print = BlDebugPrint;
+    LdrProtocol.Memory.AllocatePages = BlMemoryAllocatePages;
+    LdrProtocol.Memory.AllocatePool = BlMemoryAllocatePool;
+    LdrProtocol.Memory.FreePages = BlMemoryFreePages;
+    LdrProtocol.Memory.FreePool = BlMemoryFreePool;
+    LdrProtocol.Protocol.Open = BlOpenXtProtocol;
+    LdrProtocol.Util.ExitBootServices = BlExitBootServices;
+    LdrProtocol.Util.SleepExecution = BlSleepExecution;
+
+    /* Register XTLDR loader protocol */
+    BlDebugPrint(L"Registering XT loader protocol\n");
+    return EfiSystemTable->BootServices->InstallProtocolInterface(&Handle, &Guid, EFI_NATIVE_INTERFACE, &LdrProtocol);
+}

xtldr2/string.c

@@ -6,7 +6,7 @@
  * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
  */
 
-#include <xtbm.h>
+#include <xtldr.h>
 
 
 /**

xtldr2/xtldr.c

@@ -6,7 +6,7 @@
  * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
  */
 
-#include <xtbm.h>
+#include <xtldr.h>
 
 
 /**
@@ -43,8 +43,41 @@ BlStartXtLoader(IN EFI_HANDLE ImageHandle,
     /* Parse INI Configuration file */
     BlConfigParseIniFile(L"# This is the XT Boot Loader (XTLDR) configuration file. It follows an INI format and is divided into sections, which\n# contain a properties. Each property has a name and value delimited by an equal (=) character. Comments must start\n# with a semicolon (;) or a hash character (#) and run to the end of the line.\n#\n# Basic section is [XTLDR] which contains a bootloader specific options:\n# Debug        - enables the debugging port and consists of two comma-separated parameters: com port and baud rate;\n#                it is also possible to specify custom port address with: COM0:[address],[baud_rate]\n# Default      - specifies which operating system listen in config file will be started if no choice is made\n# Theme        - allows to set a custom theme to personalize XTLDR's look'n'feel\n# Timeout      - sets the countdown timer (in seconds) before the default OS get started automatically\n# Tune         - plays a tune on the pcspeaker right before the XTLDR loads\n#\n# Another type of section is [OS-Section] which adds a new position (operating system) to the boot menu. Each type\n# of the operating system provides a set of available parameters. If unsupported option is added, it is being ignored\n# by the XT Boot Loader. The available options are:\n# SystemName   - sets a long operating system name that will be shown on the boot menu\n# SystemType   - specifies an OS type from a predefined list of supported boot protocols\n# SystemPath   - the ARC path, eg. multi(0)disk(0)rdisk(0)partition(1)\n# KernelFile   - sets kernel filename with optional path relative to SystemPath\n# InitrdFile   - sets initramfs image filename with optional path relative to SystemPath\n# HalFile      - sets HAL filename with optional path relative to SystemPath\n# Parameters   - specifies extra boot options for the kernel\n[XTLDR]Tune=400 880 2 988 2 783 2 392 2 587 3Debug=COM1,115200Timeout=30Theme=FancyDefault=ExectOS[ExectOS]SystemName=\"ExectOS Operating System\"SystemType=XTOSSystemPath=multi(0)disk(0)rdisk(0)partition(1)/ExectOSKernelFile=xtoskrnl.exeParameters=DEBUG DEBUGPORT=COM1,115200[Windows]SystemName=\"Microsoft Windows 2000\"SystemType=NT50SystemPath=multi(0)disk(0)rdisk(0)partition(2)/WindowsKernelFile=ntoskrnl.exeHalFile=hal.dllParameters=/NOGUIBOOT /MININT[Linux]SystemName=\"GNU/Linux\"SystemType=LINUXSystemPath=multi(0)disk(0)rdisk(0)partition(3)/bootKernelFile=vmlinuzInitrdFile=initramfs.cpio.gzParameters=root=/dev/xvda3 rootfstype=ext4", &ConfigSections);
 
+    /* Initialize XTLDR and early print XTLDR version */
+    BlpInitializeEfiBootLoader();
     BlConsolePrint(L"XTLDR boot loader v%s\n", XTOS_VERSION);
 
+    /* Parse configuration options passed from UEFI shell */
+    BlpParseCommandLineOptions();
+
+    /* Attempt to early initialize debug console */
+    if(DEBUG)
+    {
+        Status = BlpInitializeDebugConsole();
+        if(Status != STATUS_EFI_SUCCESS)
+        {
+            /* Initialization failed, notify user on stdout */
+            BlConsolePrint(L"ERROR: Failed to initialize debug console\n");
+            BlSleepExecution(3000);
+        }
+    }
+
+    /* Disable watchdog timer */
+    Status = EfiSystemTable->BootServices->SetWatchdogTimer(0, 0x10000, 0, NULL);
+    if(Status != STATUS_EFI_SUCCESS)
+    {
+        /* Failed to disable the timer, print message */
+        BlDebugPrint(L"WARNING: Failed to disable watchdog timer\n");
+    }
+
+    /* Register loader protocol */
+    Status = BlpRegisterXtLoaderProtocol();
+    if(Status != STATUS_EFI_SUCCESS)
+    {
+        /* Failed to register loader protocol */
+        BlDebugPrint(L"ERROR: Failed to register XTLDR loader protocol\n");
+    }
+
     /* Temporary infinite loop */
     for(;;);