Add x64 support

Author: retrage

Kconfig

@@ -11,7 +11,7 @@ choice
 config TARGET_I386
 	bool "x86"
 
-config TARGET_X86
+config TARGET_X64
 	bool "x64"
 
 endchoice

Makefile

@@ -125,7 +125,7 @@ CFLAGS += $(call cc-option, -fno-stack-protector,)
 
 LIBS := $(LIBPAYLOAD) $(LIBGCC)
 
-SUBDIRS-y += archlib core lib plat dev
+SUBDIRS-y += archlib/$(ARCHDIR-y) core lib plat dev
 
 $(foreach subdir,$(SUBDIRS-y),$(eval include $(subdir)/Makefile.inc))
 

archlib/Makefile.inc archlib/x86_64/Makefile.incarchlib/Makefile.inc renamed to archlib/x86_64/Makefile.inc

@@ -16,5 +16,5 @@
 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 #
 
-include archlib/x86/Makefile.inc
-
+TARGETS-y += archlib/x86_64/archlib.o archlib/x86_64/regacces.o
+TARGETS-y += archlib/x86_64/archsup.S.o archlib/x86_64/ioport.S.o

archlib/x86_64/archlib.c

@@ -0,0 +1,87 @@
+/*++
+
+Copyright (c) 2014 Minoca Corp.
+
+    This file is licensed under the terms of the GNU General Public License
+    version 3. Alternative licensing terms are available. Contact
+    info@minocacorp.com for details. See the LICENSE file at the root of this
+    project for complete licensing information.
+
+Module Name:
+
+    archlib.c
+
+Abstract:
+
+    This module implements the UEFI architecture support library C routines.
+
+Author:
+
+    Evan Green 27-Mar-2014
+
+Environment:
+
+    Firmware
+
+--*/
+
+//
+// ------------------------------------------------------------------- Includes
+//
+
+#include "ueficore.h"
+
+//
+// ---------------------------------------------------------------- Definitions
+//
+
+//
+// ------------------------------------------------------ Data Type Definitions
+//
+
+//
+// ----------------------------------------------- Internal Function Prototypes
+//
+
+//
+// -------------------------------------------------------------------- Globals
+//
+
+//
+// ------------------------------------------------------------------ Functions
+//
+
+VOID
+EfiCoreInvalidateInstructionCacheRange (
+    VOID *Address,
+    UINTN Length
+    )
+
+/*++
+
+Routine Description:
+
+    This routine invalidates a region of memory in the instruction cache.
+
+Arguments:
+
+    Address - Supplies the address to invalidate. If translation is enabled,
+        this is a virtual address.
+
+    Length - Supplies the number of bytes in the region to invalidate.
+
+Return Value:
+
+    None.
+
+--*/
+
+{
+
+    return;
+}
+
+//
+// --------------------------------------------------------- Internal Functions
+//
+

archlib/x86_64/archsup.S

@@ -0,0 +1,74 @@
+/*++
+
+Copyright (c) 2017 Minoca Corp.
+
+    This file is licensed under the terms of the GNU General Public License
+    version 3. Alternative licensing terms are available. Contact
+    info@minocacorp.com for details. See the LICENSE file at the root of this
+    project for complete licensing information.
+
+Module Name:
+
+    archsup.S
+
+Abstract:
+
+    This module implements x64 architecture specific support routines.
+
+Author:
+
+    Evan Green 11-Aug-2017
+
+Environment:
+
+    Firmware
+
+--*/
+
+//
+// ------------------------------------------------------------------ Includes
+//
+
+#include <minoca/kernel/x64.inc>
+
+//
+// ---------------------------------------------------------------------- Code
+//
+
+ASSEMBLY_FILE_HEADER
+
+//
+// VOID
+// EfiMemoryBarrier (
+//     VOID
+//     )
+//
+
+/*++
+
+Routine Description:
+
+    This routine provides a full memory barrier, ensuring that all memory
+    accesses occurring before this function complete before any memory accesses
+    after this function start.
+
+Arguments:
+
+    None.
+
+Return Value:
+
+    None.
+
+--*/
+
+FUNCTION(EfiMemoryBarrier)
+    lock orq    $0, (%rsp)
+    retq
+
+END_FUNCTION(EfiMemoryBarrier)
+
+//
+// --------------------------------------------------------- Internal Functions
+//
+