efi: Begin sorting x86_64 to arch subfolder

Change-Id: I0b724c05d527332fb6a5f4909b44d578ae1c6d0e

src/system/boot/platform/efi/Jamfile

@@ -18,12 +18,10 @@ local efi_glue_src =
 	;
 
 local platform_src =
-	relocation_func.cpp
 	start.cpp
 	console.cpp
 	video.cpp
 	debug.cpp
-	entry.S
 	mmu.cpp
 	heap.cpp
 	acpi.cpp
@@ -37,6 +35,11 @@ local platform_src =
 	support.S
 	;
 
+local arch_src =
+	relocation_func.cpp
+	entry.S
+	;
+
 Includes [ FGristFiles $(efi_glue_src) $(platform_src) ]
 	:
 	[ BuildFeatureAttribute gnuefi : headers ]
@@ -51,11 +54,12 @@ for platform in [ MultiBootSubDirSetup efi ] {
 		BootMergeObject boot_platform_efi.o :
 			$(efi_glue_src)
 			$(platform_src)
+			$(arch_src)
 			:
 			: boot_platform_generic_efi.a
 		;
 
-		SEARCH on [ FGristFiles relocation_func.cpp ]
+		SEARCH on [ FGristFiles $(arch_src) ]
 			= [ FDirName $(SUBDIR) arch $(TARGET_ARCH) ] ;
 		LOCATE on [ FGristFiles $(efi_glue_src) ]
 			= [ BuildFeatureAttribute gnuefi : libdir : path ] ;

src/system/boot/platform/efi/arch/aarch64/relocation_func.cpp

@@ -0,0 +1,97 @@
+/* reloc_aarch64.c - position independent x86 ELF shared object relocator
+   Copyright (C) 2014 Linaro Ltd. <ard.biesheuvel@linaro.org>
+   Copyright (C) 1999 Hewlett-Packard Co.
+	Contributed by David Mosberger <davidm@hpl.hp.com>.
+
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials
+      provided with the distribution.
+    * Neither the name of Hewlett-Packard Co. nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+    CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+    BE LIABLE FOR ANYDIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+    THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+    SUCH DAMAGE.
+*/
+
+#include <efi.h>
+#include <efilib.h>
+
+#include <elf.h>
+
+EFI_STATUS _relocate (long ldbase, Elf64_Dyn *dyn,
+		      EFI_HANDLE image EFI_UNUSED,
+		      EFI_SYSTEM_TABLE *systab EFI_UNUSED)
+{
+	long relsz = 0, relent = 0;
+	Elf64_Rela *rel = 0;
+	unsigned long *addr;
+	int i;
+
+	for (i = 0; dyn[i].d_tag != DT_NULL; ++i) {
+		switch (dyn[i].d_tag) {
+			case DT_RELA:
+				rel = (Elf64_Rela*)
+					((unsigned long)dyn[i].d_un.d_ptr
+					 + ldbase);
+				break;
+
+			case DT_RELASZ:
+				relsz = dyn[i].d_un.d_val;
+				break;
+
+			case DT_RELAENT:
+				relent = dyn[i].d_un.d_val;
+				break;
+
+			default:
+				break;
+		}
+	}
+
+	if (!rel && relent == 0)
+		return EFI_SUCCESS;
+
+	if (!rel || relent == 0)
+		return EFI_LOAD_ERROR;
+
+	while (relsz > 0) {
+		/* apply the relocs */
+		switch (ELF64_R_TYPE (rel->r_info)) {
+			case R_AARCH64_NONE:
+				break;
+
+			case R_AARCH64_RELATIVE:
+				addr = (unsigned long *)
+					(ldbase + rel->r_offset);
+				*addr = ldbase + rel->r_addend;
+				break;
+
+			default:
+				break;
+		}
+		rel = (Elf64_Rela*) ((char *) rel + relent);
+		relsz -= relent;
+	}
+	return EFI_SUCCESS;
+}

src/system/boot/platform/efi/arch/arm/relocation_func.cpp

@@ -0,0 +1,97 @@
+/* reloc_arm.c - position independent x86 ELF shared object relocator
+   Copyright (C) 2014 Linaro Ltd. <ard.biesheuvel@linaro.org>
+   Copyright (C) 1999 Hewlett-Packard Co.
+	Contributed by David Mosberger <davidm@hpl.hp.com>.
+
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials
+      provided with the distribution.
+    * Neither the name of Hewlett-Packard Co. nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+    CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+    BE LIABLE FOR ANYDIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+    THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+    SUCH DAMAGE.
+*/
+
+#include <efi.h>
+#include <efilib.h>
+
+#include <elf.h>
+
+EFI_STATUS _relocate (long ldbase, Elf32_Dyn *dyn,
+		      EFI_HANDLE image EFI_UNUSED,
+		      EFI_SYSTEM_TABLE *systab EFI_UNUSED)
+{
+	long relsz = 0, relent = 0;
+	Elf32_Rel *rel = 0;
+	unsigned long *addr;
+	int i;
+
+	for (i = 0; dyn[i].d_tag != DT_NULL; ++i) {
+		switch (dyn[i].d_tag) {
+			case DT_REL:
+				rel = (Elf32_Rel*)
+					((unsigned long)dyn[i].d_un.d_ptr
+					 + ldbase);
+				break;
+
+			case DT_RELSZ:
+				relsz = dyn[i].d_un.d_val;
+				break;
+
+			case DT_RELENT:
+				relent = dyn[i].d_un.d_val;
+				break;
+
+			default:
+				break;
+		}
+	}
+
+	if (!rel && relent == 0)
+		return EFI_SUCCESS;
+
+	if (!rel || relent == 0)
+		return EFI_LOAD_ERROR;
+
+	while (relsz > 0) {
+		/* apply the relocs */
+		switch (ELF32_R_TYPE (rel->r_info)) {
+			case R_ARM_NONE:
+				break;
+
+			case R_ARM_RELATIVE:
+				addr = (unsigned long *)
+					(ldbase + rel->r_offset);
+				*addr += ldbase;
+				break;
+
+			default:
+				break;
+		}
+		rel = (Elf32_Rel*) ((char *) rel + relent);
+		relsz -= relent;
+	}
+	return EFI_SUCCESS;
+}

src/system/boot/platform/efi/arch/x86_64/entry.S

@@ -7,11 +7,9 @@
 
 #include <asm_defs.h>
 
-#define __x86_64__
 #include <arch/x86/descriptors.h>
 
 #include "mmu.h"
-#undef __x86_64__
 
 
 #define GDT_LIMIT 0x800