diff --git a/build/jam/ImageRules b/build/jam/ImageRules
index bcaa5d7fdc..e182d87230 100644
--- a/build/jam/ImageRules
+++ b/build/jam/ImageRules
@@ -1618,9 +1618,10 @@ actions BuildCDBootPPCImage1 bind MAPS
 	# Extras (readme files, etc)
 	cp $(>[4]) $(HAIKU_OUTPUT_DIR)/cd/
 
-	xorriso -as mkisofs -v -hfs -part -map $(MAPS) -no-desktop -hfs-volid bootimg \
-		-V $(VOLID) -hfs-bless $(HAIKU_OUTPUT_DIR)/cd/boot -prep-boot \
-		boot/haikuloader.xcf -r -o $(<) $(HAIKU_OUTPUT_DIR)/cd
+	xorriso -as mkisofs -v -hfsplus \
+		-hfs-bless $(HAIKU_OUTPUT_DIR)/cd/boot \
+		-prep-boot-part $(HAIKU_OUTPUT_DIR)/cd/boot/haikuloader.xcf \
+		-r -J -o $(<) $(HAIKU_OUTPUT_DIR)/cd
 	$(RM) -r $(HAIKU_OUTPUT_DIR)/cd
 }
 
diff --git a/build/jam/images/CDBootImage b/build/jam/images/CDBootImage
index 6832e7ab49..c956f324af 100644
--- a/build/jam/images/CDBootImage
+++ b/build/jam/images/CDBootImage
@@ -16,7 +16,7 @@ local extras = README.html ;
 
 if $(TARGET_ARCH) = ppc {
 	local elfloader = boot_loader_openfirmware ;
-	local coffloader = boot_loader_openfirmware_coff ;
+	local coffloader = haiku_loader.openfirmware ;
 
 	# OpenFirmware / Mac boot support files:
 	# CHRP script
diff --git a/build/jam/repositories/HaikuPorts/ppc b/build/jam/repositories/HaikuPorts/ppc
index 720c8fa5dd..3411cfca78 100644
--- a/build/jam/repositories/HaikuPorts/ppc
+++ b/build/jam/repositories/HaikuPorts/ppc
@@ -3,16 +3,16 @@ RemotePackageRepository HaikuPorts
 	: https://eu.hpkg.haiku-os.org/haikuports/master/build-packages
 	:
 	# architecture "any" packages
-	be_book-2008_10_26-2
-	ca_root_certificates-2018_01_17-2
-	gnu_efi_kernel-3.0.8-1
+	be_book-2008_10_26-3
+	ca_root_certificates-2019_01_23-1
+	gnu_efi_kernel-3.0.10-1
 	timgmsoundfont-fixed-5
 	noto-20170920-3
 	wqy_microhei-0.2.0~beta-4
 	:
 	# repository architecture packages
 	# primary architecture (ppc)
-	bash-4.4.012-1
+	bash-4.4.023-1
 	coreutils-8.22-1
 	curl-7.40.0-1
 	curl_devel-7.40.0-1
@@ -23,8 +23,8 @@ RemotePackageRepository HaikuPorts
 	mawk-1.3.4-1
 	ncurses6-6.0-1
 	ncurses6_devel-6.0-1
-	gcc_syslibs-5.4.0_2016_06_04-1
-	gcc_syslibs_devel-5.4.0_2016_06_04-1
+	gcc_syslibs_devel-8.3.0_2019_05_24-1
+	gcc_syslibs-8.3.0_2019_05_24-1
 	icu-57.1-2
 	icu_devel-57.1-2
 	libsolv-0.3.0_haiku_2014_12_22-1
@@ -32,78 +32,25 @@ RemotePackageRepository HaikuPorts
 	zlib-1.2.11-1
 	zlib_devel-1.2.11-1
 	:
-	# source packages
-	autoconf
-	automake
+	# source package
 	bash
-#	bepdf
 	binutils
 	bison
-	bzip2
-	cdrtools
-	cmake
 	coreutils
-	ctags
 	curl
-	cvs
-	doxygen
 	expat
-#	ffmpeg
 	flex
 	freetype
 	gcc
-	gettext
-	git
-	glu
-	gperf
 	grep
-	groff
-	haikuwebkit
-	htmldoc
 	icu
-	jam
-	jpeg
-	keymapswitcher
-	libedit
-	libiconv
-#	libogg
-	libpcre
-	libpng
 	libsolv
-#	libtheora
-	libtool
-#	libvorbis
-#	libvpx
-	libxml2
 	m4
 	make
-	man
-	mercurial
-	mesa
-	mkdepend
-	nano
 	ncurses6
-	neon
-	openssh
-	openssl
-	p7zip
-	pe
-	perl
-	pkgconfig
 	python
-	readline
-	scons
 	sed
-#	speex
-	sqlite
-	subversion
-	tar
-	texi2html
 	texinfo
-	vision
-	wpa_supplicant
-	yasm
-	xz_utils
 	zlib
 	:
 	# debuginfo packages
diff --git a/build/jam/repositories/HaikuPortsCross/ppc b/build/jam/repositories/HaikuPortsCross/ppc
index 7fc8fd011a..f783632f86 100644
--- a/build/jam/repositories/HaikuPortsCross/ppc
+++ b/build/jam/repositories/HaikuPortsCross/ppc
@@ -3,6 +3,7 @@ BootstrapPackageRepository HaikuPortsCross
 	:
 	# architecture "any" packages
 	haikuporter-0-1
+	noto-20170202-7
 	:
 	# repository architecture packages (stage 0)
 	gcc_bootstrap-8.3.0_2019_05_24-1
@@ -10,9 +11,9 @@ BootstrapPackageRepository HaikuPortsCross
 	gcc_bootstrap_syslibs_devel-8.3.0_2019_05_24-1
 	:
 	# repository architecture packages (stage 1)
-	bash_bootstrap-4.4.012-1
-	binutils_bootstrap-2.26.1_2016_02_29-1
-	bison_bootstrap-3.0.4-5
+	bash_bootstrap-4.4.023-1
+	binutils_bootstrap-2.28.1_2017_08_05-1
+	bison_bootstrap-3.0.5-1
 	coreutils_bootstrap-8.22-1
 	curl_bootstrap-7.40.0-1
 	curl_bootstrap_devel-7.40.0-1
diff --git a/headers/private/system/arch/ppc/asm_defs.h b/headers/private/system/arch/ppc/asm_defs.h
index 798fa02793..299622c653 100644
--- a/headers/private/system/arch/ppc/asm_defs.h
+++ b/headers/private/system/arch/ppc/asm_defs.h
@@ -2,8 +2,8 @@
  * Copyright 2008, Ingo Weinhold, ingo_weinhold@gmx.de.
  * Distributed under the terms of the MIT License.
  */
-#ifndef SYSTEM_ARCH_X86_ASM_DEFS_H
-#define SYSTEM_ARCH_X86_ASM_DEFS_H
+#ifndef SYSTEM_ARCH_PPC_ASM_DEFS_H
+#define SYSTEM_ARCH_PPC_ASM_DEFS_H
 
 
 #define SYMBOL(name)			.global name; name
@@ -13,5 +13,5 @@
 #define FUNCTION_END(name)		1: .size name, 1b - name
 
 
-#endif	/* SYSTEM_ARCH_X86_ASM_DEFS_H */
+#endif	/* SYSTEM_ARCH_PPC_ASM_DEFS_H */
 
diff --git a/src/add-ons/kernel/bus_managers/pci/arch/ppc/openfirmware/pci_openfirmware.cpp b/src/add-ons/kernel/bus_managers/pci/arch/ppc/openfirmware/pci_openfirmware.cpp
index aae1330532..f85a682a99 100644
--- a/src/add-ons/kernel/bus_managers/pci/arch/ppc/openfirmware/pci_openfirmware.cpp
+++ b/src/add-ons/kernel/bus_managers/pci/arch/ppc/openfirmware/pci_openfirmware.cpp
@@ -30,7 +30,7 @@ status_t
 ppc_openfirmware_pci_controller_init(void)
 {
 	char path[256];
-	int cookie = 0;
+	intptr_t cookie = 0;
 	while (of_get_next_device(&cookie, 0, "pci", path, sizeof(path))
 			== B_OK) {
 dprintf("ppc_openfirmware_pci_controller_init(): pci device node: %s\n", path);
diff --git a/src/libs/compat/freebsd_network/compat/sys/param.h b/src/libs/compat/freebsd_network/compat/sys/param.h
index bf7770beff..b9e05aa4d5 100644
--- a/src/libs/compat/freebsd_network/compat/sys/param.h
+++ b/src/libs/compat/freebsd_network/compat/sys/param.h
@@ -65,6 +65,8 @@
 	|| defined(__sparc__) || defined(__riscv64__) \
 	|| defined(__aarch64__) || defined(__arm64__)
 #define CACHE_LINE_SIZE 64
+#elif defined(__powerpc__)
+#define CACHE_LINE_SIZE 128
 #else
 #error Need definition of CACHE_LINE_SIZE for this arch!
 #endif
diff --git a/src/system/boot/arch/ppc/Jamfile b/src/system/boot/arch/ppc/Jamfile
index ea1c5a600a..b83c57a6e5 100644
--- a/src/system/boot/arch/ppc/Jamfile
+++ b/src/system/boot/arch/ppc/Jamfile
@@ -1,33 +1,30 @@
 SubDir HAIKU_TOP src system boot arch ppc ;
 
-{
-	local defines = _BOOT_MODE ;
-
-	defines = [ FDefines $(defines) ] ;
-	SubDirCcFlags $(defines) ;
-	SubDirC++Flags $(defines) -fno-rtti ;
-}
-
-
 local kernelLibArchObjects =
 	<src!system!kernel!lib!arch!$(TARGET_ARCH)>byteorder.o
 	<src!system!kernel!lib!arch!$(TARGET_ARCH)>memcpy.o
 	<src!system!kernel!lib!arch!$(TARGET_ARCH)>memset.o
 ;
 
-BootMergeObject boot_arch_$(TARGET_KERNEL_ARCH).o :
-	debug_uart_8250.cpp
-	arch_uart_8250.cpp
-	arch_elf.cpp
-	: # additional flags
-	:
-	$(kernelArchObjects)
-	$(kernelLibArchObjects)
-;
+local platform ;
+for platform in [ MultiBootSubDirSetup openfirmware ] {
+    on $(platform) {
+		DEFINES += _BOOT_MODE ;
 
-SEARCH on [ FGristFiles arch_elf.cpp arch_uart_8250.cpp ]
-    = [ FDirName $(HAIKU_TOP) src system kernel arch $(TARGET_KERNEL_ARCH) ] ;
+		BootMergeObject [ FGristFiles boot_arch_$(TARGET_KERNEL_ARCH).o ] :
+			debug_uart_8250.cpp
+			#arch_uart_8250.cpp
+			arch_elf.cpp
+			: # additional flags
+			:
+			$(kernelArchObjects)
+			$(kernelLibArchObjects)
+		;
 
-SEARCH on [ FGristFiles debug_uart_8250.cpp ]
-	= [ FDirName $(HAIKU_TOP) src system kernel arch generic ] ;
+		SEARCH on [ FGristFiles arch_elf.cpp arch_uart_8250.cpp ]
+		    = [ FDirName $(HAIKU_TOP) src system kernel arch $(TARGET_KERNEL_ARCH) ] ;
 
+		SEARCH on [ FGristFiles debug_uart_8250.cpp ]
+			= [ FDirName $(HAIKU_TOP) src system kernel arch generic ] ;
+	}
+}
diff --git a/src/system/boot/loader/Jamfile b/src/system/boot/loader/Jamfile
index eab74569a0..7863619639 100644
--- a/src/system/boot/loader/Jamfile
+++ b/src/system/boot/loader/Jamfile
@@ -36,6 +36,7 @@ for platform in [ MultiBootSubDirSetup ] {
 				case "ppc" :
 				{
 					DEFINES +=
+						BOOT_SUPPORT_ELF32 #How to deal with PPC970 ?
 						BOOT_SUPPORT_PARTITION_AMIGA
 						BOOT_SUPPORT_PARTITION_APPLE
 
diff --git a/src/system/boot/platform/openfirmware/arch/ppc/Jamfile b/src/system/boot/platform/openfirmware/arch/ppc/Jamfile
index 14a364fb08..d0df294dce 100644
--- a/src/system/boot/platform/openfirmware/arch/ppc/Jamfile
+++ b/src/system/boot/platform/openfirmware/arch/ppc/Jamfile
@@ -1,6 +1,6 @@
 SubDir HAIKU_TOP src system boot platform openfirmware arch ppc ;
 
-SubDirHdrs $(HAIKU_TOP) src system boot platform $(TARGET_BOOT_PLATFORM) ;
+SubDirHdrs $(HAIKU_TOP) src system boot platform openfirmware ;
 UsePrivateSystemHeaders ;
 UsePrivateHeaders kernel [ FDirName kernel arch $(TARGET_KERNEL_ARCH) ] 
 	[ FDirName kernel boot platform $(HAIKU_KERNEL_PLATFORM) ]
diff --git a/src/system/boot/platform/openfirmware/arch/ppc/cpu.cpp b/src/system/boot/platform/openfirmware/arch/ppc/cpu.cpp
index a2a4b2a883..bd67134fa4 100644
--- a/src/system/boot/platform/openfirmware/arch/ppc/cpu.cpp
+++ b/src/system/boot/platform/openfirmware/arch/ppc/cpu.cpp
@@ -45,7 +45,7 @@ boot_arch_cpu_init(void)
 	}
 
 	char cpuPath[256];
-	int cookie = 0;
+	intptr_t cookie = 0;
 	int cpuCount = 0;
 	while (of_get_next_device(&cookie, cpus, "cpu", cpuPath,
 			sizeof(cpuPath)) == B_OK) {
@@ -88,9 +88,9 @@ boot_arch_cpu_init(void)
 			gKernelArgs.arch_args.bus_frequency = busFrequency;
 			gKernelArgs.arch_args.time_base_frequency = timeBaseFrequency;
 
-			TRACE(("  CPU clock frequency: %ld\n", clockFrequency));
-			TRACE(("  bus clock frequency: %ld\n", busFrequency));
-			TRACE(("  time base frequency: %ld\n", timeBaseFrequency));
+			TRACE(("  CPU clock frequency: %" B_PRId32 "\n", clockFrequency));
+			TRACE(("  bus clock frequency: %" B_PRId32 "\n", busFrequency));
+			TRACE(("  time base frequency: %" B_PRId32 "\n", timeBaseFrequency));
 		}
 
 		cpuCount++;
diff --git a/src/system/boot/platform/openfirmware/arch/ppc/mmu.cpp b/src/system/boot/platform/openfirmware/arch/ppc/mmu.cpp
index 4a0fe83f1a..8c82265b1c 100644
--- a/src/system/boot/platform/openfirmware/arch/ppc/mmu.cpp
+++ b/src/system/boot/platform/openfirmware/arch/ppc/mmu.cpp
@@ -574,7 +574,7 @@ map_callback(struct of_arguments *args)
 	void *virtualAddress = (void *)args->Argument(1);
 	int length = args->Argument(2);
 	int mode = args->Argument(3);
-	int &error = args->ReturnValue(0);
+	intptr_t &error = args->ReturnValue(0);
 
 	// insert range in physical allocated if needed
 
@@ -618,9 +618,9 @@ static int
 translate_callback(struct of_arguments *args)
 {
 	addr_t virtualAddress = (addr_t)args->Argument(0);
-	int &error = args->ReturnValue(0);
-	int &physicalAddress = args->ReturnValue(1);
-	int &mode = args->ReturnValue(2);
+	intptr_t &error = args->ReturnValue(0);
+	intptr_t &physicalAddress = args->ReturnValue(1);
+	intptr_t &mode = args->ReturnValue(2);
 
 	// Find page table entry for this address
 
diff --git a/src/system/boot/platform/openfirmware/arch/ppc/start.cpp b/src/system/boot/platform/openfirmware/arch/ppc/start.cpp
index 604e726c51..693a2f0aad 100644
--- a/src/system/boot/platform/openfirmware/arch/ppc/start.cpp
+++ b/src/system/boot/platform/openfirmware/arch/ppc/start.cpp
@@ -5,11 +5,13 @@
  * Distributed under the terms of the MIT License.
  */
 
-
 #include "start.h"
 
-#include "machine.h"
+#include <string.h>
+#include <OS.h>
+#include <platform/openfirmware/openfirmware.h>
 
+#include "machine.h"
 
 extern "C" void _start(uint32 _unused1, uint32 _unused2,
 	void *openFirmwareEntry);
diff --git a/src/system/kernel/arch/ppc/arch_platform.cpp b/src/system/kernel/arch/ppc/arch_platform.cpp
index 1abf7b4fb1..f7b621ab59 100644
--- a/src/system/kernel/arch/ppc/arch_platform.cpp
+++ b/src/system/kernel/arch/ppc/arch_platform.cpp
@@ -114,7 +114,7 @@ status_t
 PPCOpenFirmware::Init(struct kernel_args *kernelArgs)
 {
 	return of_init(
-		(int(*)(void*))kernelArgs->platform_args.openfirmware_entry);
+		(intptr_t(*)(void*))kernelArgs->platform_args.openfirmware_entry);
 }
 
 // InitSerialDebug
diff --git a/src/system/libroot/os/arch/ppc/byteorder.S b/src/system/libroot/os/arch/ppc/byteorder.S
index c8a6d8824d..fb49bf56ba 100644
--- a/src/system/libroot/os/arch/ppc/byteorder.S
+++ b/src/system/libroot/os/arch/ppc/byteorder.S
@@ -3,10 +3,45 @@
 ** Distributed under the terms of the OpenBeOS License.
 */
 
-#define FUNCTION(x) .global x; .type x,@function; x
+#include <asm_defs.h>
 
 .text
 
+/* uint16 __swap_int16(uint16 value)
+ *					   r3
+ */
+FUNCTION(__swap_int16):
+		rlwinm	%r4, %r3, 8, 16, 23		// byte 4 -> byte 3 (clear other bits)
+		rlwimi	%r4, %r3, 24, 24, 31		// byte 3 -> byte 4 (copy into)
+		mr		%r3, %r4				// copy to result register
+		blr
+
+
+/* uint32 __swap_int32(uint32 value)
+ *					   r3
+ */
+FUNCTION(__swap_int32):
+		lwbrx	%r4, 0, %r3		// Load and inverse r3 into r4
+		mr		%r3, %r4
+		blr
+
+
+/* uint64 __swap_int64(uint64 value)
+ *					   r3/r4
+ */
+FUNCTION(__swap_int64):
+		lwbrx	%r5, 0, %r3
+		mr		%r3, %r5
+		lwbrx	%r5, 0, %r4
+		mr		%r4, %r5		// copy lower 32 bits
+		blr
+
+
+/* TODO: The following functions can surely be optimized. A simple optimization
+ * would be to define macros with the contents of the __swap_int{32,64}
+ * functions and use those instead of calling the functions.
+ */
+
 /* float __swap_float(float value)
  *					  f1
  */