arm64: Add more random scripts to get stuff to compile

Signed-off-by: Jaroslaw Pelczar <jarek@jpelczar.com>
Change-Id: Ie043af5b7471f626a1ffe100848151c832dcc439
Reviewed-on: https://review.haiku-os.org/c/haiku/+/1853
Reviewed-by: Alex von Gluck IV <kallisti5@unixzen.com>

build/jam/ArchitectureRules

@@ -422,6 +422,13 @@ rule KernelArchitectureSetup architecture
 				-Wl,-z -Wl,max-page-size=0x1000
 				-Wl,-z -Wl,common-page-size=0x1000 ;
 
+		case arm64 :
+			# Workaround for ld using 32k for alignment despite forcing it in the config...
+			# should definitely not be needed!
+			HAIKU_KERNEL_LINKFLAGS +=
+				-Wl,-z -Wl,max-page-size=0x1000
+				-Wl,-z -Wl,common-page-size=0x1000 ;
+
 		case ppc :
 			# Build a position independent PPC kernel. We need to be able to
 			# relocate the kernel, since the virtual address space layout at

src/add-ons/kernel/bus_managers/isa/arch/arm64/Jamfile

@@ -0,0 +1,11 @@
+SubDir HAIKU_TOP src add-ons kernel bus_managers isa arch arm64 ;
+
+SubDirHdrs [ FDirName $(SUBDIR) $(DOTDOT) $(DOTDOT) ] ;
+
+UsePrivateHeaders kernel [ FDirName kernel arch arm64 ] ;
+
+KernelStaticLibrary isa_arch_bus_manager : 
+	isa_dma.c
+	isa_controller.c
+	;
+

src/add-ons/kernel/bus_managers/isa/arch/arm64/isa_controller.c

@@ -0,0 +1,85 @@
+/*
+ * Copyright 2007 Haiku, Inc.
+ * Distributed under the terms of the MIT License.
+ *
+ * arch-specific config manager
+ *
+ * Authors (in chronological order):
+ *              François Revol (revol@free.fr)
+ */
+
+
+#include <KernelExport.h>
+#include "ISA.h"
+#include "arch_cpu.h"
+#include "isa_arch.h"
+
+//#define TRACE_ISA
+#ifdef TRACE_ISA
+#       define TRACE(x) dprintf x
+#else
+#       define TRACE(x) ;
+#endif
+
+
+uint8
+arch_isa_read_io_8(int mapped_io_addr)
+{
+	uint8 value = in8(mapped_io_addr);
+
+	TRACE(("isa_read8(%x->%x)\n", mapped_io_addr, value));
+
+	return value;
+}
+
+
+void
+arch_isa_write_io_8(int mapped_io_addr, uint8 value)
+{
+	TRACE(("isa_write8(%x->%x)\n", value, mapped_io_addr));
+
+	out8(value, mapped_io_addr);
+}
+
+
+uint16
+arch_isa_read_io_16(int mapped_io_addr)
+{
+	return in16(mapped_io_addr);
+}
+
+
+void
+arch_isa_write_io_16(int mapped_io_addr, uint16 value)
+{
+	out16(value, mapped_io_addr);
+}
+
+
+uint32
+arch_isa_read_io_32(int mapped_io_addr)
+{
+	return in32(mapped_io_addr);
+}
+
+
+void
+arch_isa_write_io_32(int mapped_io_addr, uint32 value)
+{
+	out32(value, mapped_io_addr);
+}
+
+
+phys_addr_t
+arch_isa_ram_address(phys_addr_t physical_address_in_system_memory)
+{
+	// this is what the BeOS kernel does
+	return physical_address_in_system_memory;
+}
+
+
+status_t
+arch_isa_init(void)
+{
+	return B_OK;
+}

src/add-ons/kernel/bus_managers/isa/arch/arm64/isa_dma.c

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2007 Haiku, Inc.
+ * Distributed under the terms of the MIT License.
+ *
+ * arch-specific config manager
+ *
+ * Authors (in chronological order):
+ *              François Revol (revol@free.fr)
+ */
+
+#include <KernelExport.h>
+#include "ISA.h"
+#include "arch_cpu.h"
+#include "isa_arch.h"
+
+
+status_t
+arch_start_isa_dma(long channel, void *buf, long transfer_count,
+	uchar mode, uchar e_mode)
+{
+	// ToDo: implement this?!
+	return B_NOT_ALLOWED;
+}
+
+

src/add-ons/kernel/bus_managers/pci/arch/arm64/Jamfile

@@ -0,0 +1,10 @@
+SubDir HAIKU_TOP src add-ons kernel bus_managers pci arch $(TARGET_ARCH) ;
+
+SubDirHdrs [ FDirName $(SUBDIR) $(DOTDOT) $(DOTDOT) ] ;
+UsePrivateHeaders kernel [ FDirName kernel arch $(TARGET_ARCH) ]
+	[ FDirName kernel boot platform $(HAIKU_BOOT_PLATFORM) ] ;
+
+KernelStaticLibrary pci_arch_bus_manager :
+	pci_controller.cpp
+	pci_io.c
+;

src/add-ons/kernel/bus_managers/pci/arch/arm64/pci_controller.cpp

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2009, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include "pci_controller.h"
+
+//#include <arch_platform.h>
+
+#include "pci_private.h"
+
+
+status_t
+pci_controller_init(void)
+{
+	/* no support yet */
+#warning ARM:WRITEME
+	return B_OK;
+}
+
+
+phys_addr_t
+pci_ram_address(phys_addr_t physical_address_in_system_memory)
+{
+	return physical_address_in_system_memory;
+}

src/add-ons/kernel/bus_managers/pci/arch/arm64/pci_io.c

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2009, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include "pci_io.h"
+#include "pci_private.h"
+#warning ARM:WRITEME
+
+
+status_t
+pci_io_init()
+{
+	return B_OK;
+}
+
+
+uint8
+pci_read_io_8(int mapped_io_addr)
+{
+	/* NOT IMPLEMENTED */
+	return 0;
+}
+
+
+void
+pci_write_io_8(int mapped_io_addr, uint8 value)
+{
+	/* NOT IMPLEMENTED */
+}
+
+
+uint16
+pci_read_io_16(int mapped_io_addr)
+{
+	/* NOT IMPLEMENTED */
+	return 0;
+}
+
+
+void
+pci_write_io_16(int mapped_io_addr, uint16 value)
+{
+	/* NOT IMPLEMENTED */
+}
+
+
+uint32
+pci_read_io_32(int mapped_io_addr)
+{
+	/* NOT IMPLEMENTED */
+	return 0;
+}
+
+
+void
+pci_write_io_32(int mapped_io_addr, uint32 value)
+{
+	/* NOT IMPLEMENTED */
+}

src/add-ons/kernel/bus_managers/pci/arch/arm64/pci_io.h

@@ -0,0 +1,12 @@
+/*
+ * Copyright 2009, Haiku Inc.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+#ifndef PCI_BUS_MANAGER_ARM_IO_H
+#define PCI_BUS_MANAGER_ARM_IO_H
+
+
+#include <SupportDefs.h>
+
+
+#endif	// PCI_BUS_MANAGER_ARM_IO_H

src/add-ons/kernel/cpu/arm64/Jamfile

@@ -0,0 +1,2 @@
+SubDir HAIKU_TOP src add-ons kernel cpu arm64 ;
+

src/kits/debug/arch/arm64/arch_debug_support.cpp

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2019, Haiku, Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+#include <debug_support.h>
+
+#include "arch_debug_support.h"
+
+status_t
+arch_debug_get_instruction_pointer(debug_context *context, thread_id thread,
+	void **ip, void **stackFrameAddress)
+{
+	return B_ERROR;
+}
+
+
+status_t
+arch_debug_get_stack_frame(debug_context *context, void *stackFrameAddress,
+	debug_stack_frame_info *stackFrameInfo)
+{
+	return B_ERROR;
+}

src/system/boot/arch/arm64/Jamfile

@@ -0,0 +1,41 @@
+SubDir HAIKU_TOP src system boot arch arm64 ;
+
+UseLibraryHeaders [ FDirName libfdt ] ;
+UsePrivateHeaders [ FDirName kernel platform $(TARGET_BOOT_PLATFORM) ] ;
+SubDirHdrs $(HAIKU_TOP) src add-ons kernel bus_managers fdt ;
+
+# TODO: Is there any reason to recompile arch_string.S here?
+local librootArchObjects =
+#	<src!system!libroot!posix!string!arch!$(TARGET_ARCH)>arch_string.o
+	arch_string.S
+;
+
+local kernelLibArchObjects =
+	<src!system!kernel!lib!arch!$(TARGET_ARCH)>byteorder.o
+	<src!system!kernel!lib!arch!$(TARGET_ARCH)>memset.o
+;
+
+local platform ;
+for platform in [ MultiBootSubDirSetup u-boot efi ] {
+    on $(platform) {
+		DEFINES += _BOOT_MODE ;
+		BootMergeObject [ FGristFiles boot_arch_$(TARGET_KERNEL_ARCH).o ] :
+			# Reuse a subset of kernel debugging.
+			$(librootArchObjects)
+			:
+			:
+			$(kernelLibArchObjects)
+		;
+		SEARCH on [ FGristFiles arch_elf.cpp $(kernelArchDriverSources) ]
+			= [ FDirName $(HAIKU_TOP) src system kernel arch $(TARGET_KERNEL_ARCH) ] ;
+
+		SEARCH on [ FGristFiles $(kernelGenericDriverSources) ]
+			= [ FDirName $(HAIKU_TOP) src system kernel arch generic ] ;
+
+		SEARCH on [ FGristFiles $(librootArchObjects) ]
+			= [ FDirName $(HAIKU_TOP) src system libroot posix string arch $(TARGET_ARCH) ] ;
+
+		SEARCH on [ FGristFiles $(kernelDebugSources) ]
+			= [ FDirName $(HAIKU_TOP) src system kernel debug ] ;
+	}
+}

src/system/kernel/arch/arm64/Jamfile

@@ -2,3 +2,11 @@ SubDir HAIKU_TOP src system kernel arch arm64 ;
 
 SubDirHdrs $(SUBDIR) $(DOTDOT) generic ;
 UsePrivateKernelHeaders ;
+
+KernelMergeObject kernel_arch_arm64.o :
+	arch_elf.cpp
+	
+	:
+	$(TARGET_KERNEL_PIC_CCFLAGS) -Wno-unused
+	:
+;

src/system/kernel/arch/arm64/arch_elf.cpp

@@ -0,0 +1,107 @@
+/*
+ * Copyright 2004-2018, Haiku Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT license.
+ *
+ * Copyright 2002, Travis Geiselbrecht. All rights reserved.
+ * Distributed under the terms of the NewOS License.
+ */
+
+
+#ifdef _BOOT_MODE
+#	include <boot/arch.h>
+#endif
+
+#include <KernelExport.h>
+
+#include <elf_priv.h>
+#include <arch/elf.h>
+
+
+//#define TRACE_ARCH_ELF
+#ifdef TRACE_ARCH_ELF
+#	define TRACE(x) dprintf x
+#else
+#	define TRACE(x) ;
+#endif
+
+
+#ifndef _BOOT_MODE
+static bool
+is_in_image(struct elf_image_info *image, addr_t address)
+{
+	return (address >= image->text_region.start
+			&& address < image->text_region.start + image->text_region.size)
+		|| (address >= image->data_region.start
+			&& address < image->data_region.start + image->data_region.size);
+}
+#endif	// !_BOOT_MODE
+
+
+#ifdef _BOOT_MODE
+status_t
+boot_arch_elf_relocate_rel(preloaded_elf64_image* image, Elf64_Rel* rel,
+	int relLength)
+#else
+int
+arch_elf_relocate_rel(struct elf_image_info *image,
+	struct elf_image_info *resolveImage, Elf64_Rel *rel, int relLength)
+#endif
+{
+	dprintf("arch_elf_relocate_rel: not supported on arm64\n");
+	return B_ERROR;
+}
+
+
+#ifdef _BOOT_MODE
+status_t
+boot_arch_elf_relocate_rela(preloaded_elf64_image* image, Elf64_Rela* rel,
+	int relLength)
+#else
+int
+arch_elf_relocate_rela(struct elf_image_info *image,
+	struct elf_image_info *resolveImage, Elf64_Rela *rel, int relLength)
+#endif
+{
+	for (int i = 0; i < relLength / (int)sizeof(Elf64_Rela); i++) {
+		int type = ELF64_R_TYPE(rel[i].r_info);
+		int symIndex = ELF64_R_SYM(rel[i].r_info);
+		Elf64_Addr symAddr = 0;
+
+		// Resolve the symbol, if any.
+		if (symIndex != 0) {
+			Elf64_Sym* symbol = SYMBOL(image, symIndex);
+
+			status_t status;
+#ifdef _BOOT_MODE
+			status = boot_elf_resolve_symbol(image, symbol, &symAddr);
+#else
+			status = elf_resolve_symbol(image, symbol, resolveImage, &symAddr);
+#endif
+			if (status < B_OK)
+				return status;
+		}
+
+		// Address of the relocation.
+		Elf64_Addr relocAddr = image->text_region.delta + rel[i].r_offset;
+
+		// Calculate the relocation value.
+		Elf64_Addr relocValue;
+		switch (type) {
+			default:
+				dprintf("arch_elf_relocate_rela: unhandled relocation type %d\n",
+					type);
+				return B_BAD_DATA;
+		}
+#ifdef _BOOT_MODE
+		boot_elf64_set_relocation(relocAddr, relocValue);
+#else
+		if (!is_in_image(image, relocAddr)) {
+			dprintf("arch_elf_relocate_rela: invalid offset %#lx\n",
+				rel[i].r_offset);
+			return B_BAD_ADDRESS;
+		}
+#endif
+	}
+
+	return B_OK;
+}

src/system/kernel/lib/arch/arm64/Jamfile

@@ -0,0 +1,27 @@
+SubDir HAIKU_TOP src system kernel lib arch arm64 ;
+
+SEARCH_SOURCE += [ FDirName $(SUBDIR) $(DOTDOT) generic ] ;
+
+local librootSources = [ FDirName $(HAIKU_TOP) src system libroot ] ;
+local posixSources = [ FDirName $(librootSources) posix ] ;
+
+SEARCH_SOURCE += [ FDirName $(librootSources) os arch $(TARGET_ARCH) ] ;
+SEARCH_SOURCE += [ FDirName $(librootSources) os arch generic ] ;
+
+KernelMergeObject kernel_os_arch_$(TARGET_ARCH).o :
+	generic_atomic.cpp
+	generic_system_time_nsecs.cpp
+
+	: $(TARGET_KERNEL_PIC_CCFLAGS)
+;
+
+SEARCH_SOURCE += [ FDirName $(posixSources) arch $(TARGET_ARCH) ] ;
+SEARCH_SOURCE += [ FDirName $(posixSources) string arch generic ] ;
+SEARCH_SOURCE += [ FDirName $(posixSources) string arch $(TARGET_ARCH) ] ;
+
+KernelMergeObject kernel_lib_posix_arch_$(TARGET_ARCH).o :
+	arch_string.S
+	memset.c
+
+	: $(TARGET_KERNEL_PIC_CCFLAGS)
+;

src/system/libroot/os/arch/arm64/Jamfile

@@ -1,4 +1,4 @@
-SubDir HAIKU_TOP src system libroot os arch arm ;
+SubDir HAIKU_TOP src system libroot os arch arm64 ;
 
 SubDirC++Flags -std=gnu++11 ;
 
@@ -13,7 +13,8 @@ for architectureObject in [ MultiArchSubDirSetup arm64 ] {
 		SEARCH_SOURCE += [ FDirName $(SUBDIR) $(DOTDOT) generic ] ;
 
 		MergeObject <$(architecture)>os_arch_$(TARGET_ARCH).o :
-
+			tls.c
+			thread.c
 
 			generic_atomic.cpp
 			generic_stack_trace.cpp

src/system/libroot/os/arch/arm64/thread.c

@@ -0,0 +1,15 @@
+/*
+ * Copyright 2019 Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <OS.h>
+#include "syscalls.h"
+
+
+thread_id
+find_thread(const char *name)
+{
+	return _kern_find_thread(name);
+}

src/system/libroot/os/arch/arm64/tls.c

@@ -0,0 +1,57 @@
+/*
+ * Copyright 2019 Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+#include <runtime_loader/runtime_loader.h>
+
+#include "support/TLS.h"
+#include "tls.h"
+
+struct tls_index {
+	unsigned long ti_module;
+	unsigned long ti_offset;
+};
+
+void* __tls_get_addr(struct tls_index* ti);
+
+static int32 gNextSlot = TLS_FIRST_FREE_SLOT;
+
+
+int32
+tls_allocate(void)
+{
+	int32 next = atomic_add(&gNextSlot, 1);
+	if (next >= TLS_MAX_KEYS)
+		return B_NO_MEMORY;
+
+	return next;
+}
+
+
+void *
+tls_get(int32 index)
+{
+	return NULL;
+}
+
+
+void **
+tls_address(int32 index)
+{
+	return NULL;
+}
+
+
+void
+tls_set(int32 index, void *value)
+{
+
+}
+
+
+void*
+__tls_get_addr(struct tls_index* ti)
+{
+	return __gRuntimeLoader->get_tls_address(ti->ti_module, ti->ti_offset);
+}

src/system/libroot/posix/arch/arm64/Jamfile

@@ -0,0 +1,26 @@
+SubDir HAIKU_TOP src system libroot posix arch arm64 ;
+
+local architectureObject ;
+for architectureObject in [ MultiArchSubDirSetup arm64 ] {
+	on $(architectureObject) {
+		local architecture = $(TARGET_PACKAGING_ARCH) ;
+
+		UsePrivateHeaders [ FDirName system arch $(TARGET_ARCH) ] ;
+
+		local genericSources =
+			setjmp_save_sigs.c
+			longjmp_return.c
+			;
+
+		MergeObject <$(architecture)>posix_arch_$(TARGET_ARCH).o :
+			fenv.c
+			sigsetjmp.S
+			siglongjmp.S
+
+			$(genericSources)
+			;
+
+		SEARCH on [ FGristFiles $(genericSources) ]
+			= [ FDirName $(SUBDIR) $(DOTDOT) generic ] ;
+	}
+}

src/system/libroot/posix/arch/arm64/fenv.c

@@ -0,0 +1,56 @@
+/*-
+ * Copyright (c) 2004 David Schultz <das@FreeBSD.ORG>
+ * Copyright (c) 2013 Andrew Turner <andrew@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, 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.
+ *
+ * $FreeBSD$
+ */
+
+#define	__fenv_static
+#include "fenv.h"
+
+/*
+ * Hopefully the system ID byte is immutable, so it's valid to use
+ * this as a default environment.
+ */
+const fenv_t __fe_dfl_env = 0;
+
+#ifdef __GNUC_GNU_INLINE__
+#error "This file must be compiled with C99 'inline' semantics"
+#endif
+
+extern inline int feclearexcept(int __excepts);
+extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts);
+extern inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts);
+extern inline int feraiseexcept(int __excepts);
+extern inline int fetestexcept(int __excepts);
+extern inline int fegetround(void);
+extern inline int fesetround(int __round);
+extern inline int fegetenv(fenv_t *__envp);
+extern inline int feholdexcept(fenv_t *__envp);
+extern inline int fesetenv(const fenv_t *__envp);
+extern inline int feupdateenv(const fenv_t *__envp);
+extern inline int feenableexcept(int __mask);
+extern inline int fedisableexcept(int __mask);
+extern inline int fegetexcept(void);

src/system/libroot/posix/arch/arm64/siglongjmp.S

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2019, Haiku, Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <asm_defs.h>
+
+
+/* int __siglongjmp(jmp_buf buffer, int value) */
+FUNCTION(siglongjmp):
+FUNCTION(longjmp):
+FUNCTION(_longjmp):
+	/* Loop infinitely here, for now.
+	 TODO implement this for real */
+	b		.
+FUNCTION_END(siglongjmp)
+FUNCTION_END(longjmp)
+FUNCTION_END(_longjmp)
+
+#pragma weak longjmp=siglongjmp

src/system/libroot/posix/arch/arm64/sigsetjmp.S

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2019, Haiku, Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+#include <asm_defs.h>
+
+/* int sigsetjmp(jmp_buf buffer, int saveMask) */
+FUNCTION(__sigsetjmp):
+FUNCTION(sigsetjmp):
+	b	.
+FUNCTION_END(sigsetjmp)
+FUNCTION_END(__sigsetjmp)
+
+
+/* int setjmp(jmp_buf buffer) */
+FUNCTION(setjmp):
+FUNCTION(_setjmp):
+	b	.
+FUNCTION_END(setjmp)
+
+#pragma weak _setjmp=setjmp

src/system/libroot/posix/glibc/arch/arm64/Jamfile

@@ -0,0 +1,154 @@
+SubDir HAIKU_TOP src system libroot posix glibc arch arm64 ;
+
+SubDirSysHdrs $(HAIKU_TOP) src system libroot posix glibc include arch $(TARGET_ARCH) ;
+SubDirSysHdrs $(HAIKU_TOP) src system libroot posix glibc include arch generic ;
+SubDirSysHdrs $(HAIKU_TOP) src system libroot posix glibc include ;
+SubDirSysHdrs $(HAIKU_TOP) src system libroot posix glibc stdlib ;
+SubDirSysHdrs $(HAIKU_TOP) src system libroot posix glibc math ;
+SubDirSysHdrs $(HAIKU_TOP) src system libroot posix glibc libio ;
+SubDirSysHdrs $(HAIKU_TOP) src system libroot posix glibc ;
+
+SubDirHdrs $(HAIKU_TOP) src system libroot posix glibc arch generic ;
+
+UsePrivateHeaders libroot ;
+
+if $(OPTIM) = -O0 {
+	OPTIM = -O ;
+}
+
+# don't compile with debugging
+DEBUG = 0 ;
+
+SubDirCcFlags -D_GNU_SOURCE -D_IEEE_LIBM ;
+
+# Note: There is no *l() support yet. Our compiler says sizeof(long double) = 8,
+# while there are only 96 and 128 bit implementation in glibc.
+local genericSources =
+	lshift.c rshift.c submul_1.c
+	add_n.c sub_n.c
+	addmul_1.c mul_1.c
+
+	branred.c
+	cmp.c dbl2mpn.c divrem.c
+	doasin.c dosincos.c
+	halfulp.c
+	memrchr.c
+	mpa.c mpatan.c mpatan2.c mpexp.c mplog.c mpn2dbl.c
+	mpn2flt.c mpn2ldbl.c mpsqrt.c mptan.c
+	mul.c mul_n.c
+	sincos32.c
+	slowexp.c
+	slowpow.c
+
+	e_acos.c e_acosf.c # e_acosl.c
+	e_acosh.c e_acoshf.c # e_acoshl.c
+	e_asin.c e_asinf.c # e_asinl.c
+	e_atan2.c e_atan2f.c # e_atan2l.c
+	e_atanh.c e_atanhf.c # e_atanhl.c
+	e_cosh.c e_coshf.c # e_coshl.c
+	e_exp.c e_expf.c
+	e_fmod.c e_fmodf.c # e_fmodl.c
+	e_gamma_r.c e_gammaf_r.c
+	e_hypot.c e_hypotf.c # e_hypotl.c
+	e_j0.c e_j0f.c
+	e_j1.c e_j1f.c
+	e_jn.c e_jnf.c
+	e_lgamma_r.c e_lgammaf_r.c
+	e_log.c e_logf.c
+	e_log10.c e_log10f.c
+	e_pow.c e_powf.c # e_powl.c
+	e_rem_pio2f.c
+	e_remainder.c e_remainderf.c # e_remainderl.c
+	e_scalb.c e_scalbf.c # e_scalbl.c
+	e_sinh.c e_sinhf.c # e_sinhl.c
+	k_cos.c k_cosf.c
+	k_sin.c k_sinf.c
+	k_rem_pio2.c k_rem_pio2f.c # k_rem_pio2l.c
+	k_tan.c k_tanf.c
+	s_asinh.c s_asinhf.c # s_asinhl.c
+	s_atan.c s_atanf.c # s_atanl.c
+	s_cbrt.c s_cbrtf.c # s_cbrtl.c
+	s_ceil.c s_ceilf.c # s_ceill.c
+	s_cos.c s_cosf.c
+	s_copysign.c s_copysignf.c
+	s_erf.c s_erff.c # s_erfl.c
+	s_expm1f.c s_expm1.c
+	s_finite.c s_finitef.c # s_finitel.c
+	s_clog.c s_clogf.c # s_clogl.c
+	s_csqrt.c s_csqrtf.c # s_csqrtl.c
+	s_floor.c s_floorf.c # s_floorl.c
+	s_fabs.c s_fabsf.c
+	s_fdim.c s_fdimf.c
+	s_fma.c s_fmaf.c # s_fmal.c
+	s_fmax.c s_fmaxf.c
+	s_fmin.c s_fminf.c
+	s_fpclassify.c s_fpclassifyf.c # s_fpclassifyl.c
+	s_frexp.c s_frexpf.c # s_frexpl.c
+	s_ilogb.c s_ilogbf.c
+	s_isinf.c s_isinff.c # s_isinfl.c
+	s_isnan.c s_isnanf.c
+	s_ldexp.c s_ldexpf.c # s_ldexpl.c
+	s_llrint.c s_llrintf.c # s_llrintl.c
+	s_log1p.c s_log1pf.c
+	s_logb.c s_logbf.c # s_logbl.c
+	s_lrint.c s_lrintf.c # s_lrintl.c
+	s_lround.c s_lroundf.c
+	s_modf.c s_modff.c # s_modfl.c
+	s_nan.c s_nanf.c # s_nanl.c
+	# s_nexttoward.c s_nexttowardf.c s_nexttowardl.c
+	s_round.c s_roundf.c # s_roundl.c
+	s_rint.c s_rintf.c
+	s_scalbn.c s_scalbnf.c # s_scalbnl.c
+	s_signbit.c s_signbitf.c # s_signbitl.c
+	s_significand.c s_significandf.c
+	s_signgam.c
+	s_sin.c s_sinf.c # s_sinl.c
+	s_sincos.c s_sincosf.c
+	s_tan.c s_tanf.c
+	s_tanh.c s_tanhf.c
+	s_trunc.c s_truncf.c
+	t_exp.c
+	w_acos.c w_acosf.c # w_acosl.c
+	w_acosh.c w_acoshf.c # w_acoshl.c
+	w_atan2.c w_atan2f.c # w_atan2l.c
+	w_asin.c w_asinf.c # w_asinl.c
+	w_atanh.c w_atanhf.c # w_atanhl.c
+	w_cosh.c w_coshf.c # w_coshl.c
+	w_drem.c w_dremf.c # w_dreml.c
+	w_exp.c w_expf.c # w_expl.c
+	w_fmod.c w_fmodf.c # w_fmodl.c
+	w_hypot.c w_hypotf.c # w_hypotl.c
+	w_j0.c w_j0f.c
+	w_j1.c w_j1f.c
+	w_jn.c w_jnf.c
+	w_lgamma.c w_lgammaf.c
+	w_lgamma_r.c w_lgammaf_r.c
+	w_log.c w_logf.c # w_logl.c
+	w_log10.c w_log10f.c # w_log10l.c
+	w_pow.c w_powf.c # w_powl.c
+	w_remainder.c w_remainderf.c # w_remainderl.c
+	w_scalb.c w_scalbf.c # w_scalbl.c
+	w_sinh.c w_sinhf.c # w_sinhl.c
+	w_sqrt.c w_sqrtf.c
+	w_tgamma.c w_tgammaf.c # w_tgammal.c
+	;
+
+local architectureObject ;
+for architectureObject in [ MultiArchSubDirSetup arm64 ] {
+	on $(architectureObject) {
+		local architecture = $(TARGET_PACKAGING_ARCH) ;
+
+		MergeObject <$(architecture)>posix_gnu_arch_$(TARGET_ARCH)_generic.o :
+			$(genericSources)
+			;
+
+		MergeObjectFromObjects <$(architecture)>posix_gnu_arch_$(TARGET_ARCH).o
+			: :
+			<$(architecture)>posix_gnu_arch_$(TARGET_ARCH)_generic.o
+			;
+
+		SEARCH on [ FGristFiles $(genericSources) ]
+			= [ FDirName $(HAIKU_TOP) src system libroot posix glibc arch
+				generic ] ;
+	}
+}

src/system/libroot/posix/string/arch/arm64/Jamfile

@@ -0,0 +1,18 @@
+SubDir HAIKU_TOP src system libroot posix string arch arm64 ;
+
+local architectureObject ;
+for architectureObject in [ MultiArchSubDirSetup arm64 ] {
+	on $(architectureObject) {
+		local architecture = $(TARGET_PACKAGING_ARCH) ;
+
+		UsePrivateSystemHeaders ;
+
+		SEARCH_SOURCE += [ FDirName $(SUBDIR) $(DOTDOT) generic ] ;
+
+		MergeObject <$(architecture)>posix_string_arch_$(TARGET_ARCH).o :
+			arch_string.S
+			memcpy.c
+			memset.c
+			;
+	}
+}

src/system/libroot/posix/string/arch/arm64/arch_string.S

@@ -0,0 +1,6 @@
+/*
+ * Copyright 2019, Haiku, Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+#include <asm_defs.h>

src/system/runtime_loader/arch/arm64/Jamfile

@@ -0,0 +1,22 @@
+SubDir HAIKU_TOP src system runtime_loader arch arm64 ;
+
+local architectureObject ;
+for architectureObject in [ MultiArchSubDirSetup arm64 ] {
+	on $(architectureObject) {
+		local architecture = $(TARGET_PACKAGING_ARCH) ;
+
+		UsePrivateHeaders runtime_loader ;
+		UsePrivateSystemHeaders ;
+
+		SubDirHdrs [ FDirName $(SUBDIR) $(DOTDOT) $(DOTDOT) ] ;
+
+		StaticLibrary <$(architecture)>libruntime_loader_$(TARGET_ARCH).a :
+			arch_relocate.cpp
+			:
+			<src!system!libroot!os!arch!$(TARGET_ARCH)!$(architecture)>thread.o
+
+			<src!system!libroot!posix!string!arch!$(TARGET_ARCH)!$(architecture)>arch_string.o
+			<src!system!libroot!posix!string!arch!$(TARGET_ARCH)!$(architecture)>memset.o
+			;
+	}
+}

src/system/runtime_loader/arch/arm64/arch_relocate.cpp

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2019 Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "runtime_loader_private.h"
+
+#include <runtime_loader.h>
+
+
+//#define TRACE_RLD
+#ifdef TRACE_RLD
+#	define TRACE(x) dprintf x
+#else
+#	define TRACE(x) ;
+#endif
+
+
+status_t
+arch_relocate_image(image_t *rootImage, image_t *image,
+	SymbolLookupCache* cache)
+{
+	debugger("arch_relocate_image: Not Yet Implemented!");
+	return B_OK;
+}