[haiku-commits] haiku: hrev44090 - src/system/boot/platform/raspberrypi_arm src/system/ldscripts/arm headers/private/kernel/boot/platform/raspberrypi_arm
- From: kallisti5@xxxxxxxxxxx
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Tue, 1 May 2012 23:59:29 +0200 (CEST)
hrev44090 adds 1 changeset to branch 'master'
old head: 2b31b4a88cdcc94b3db80cd453b9fd366420873c
new head: 5426ff9347f8c71056c786ef937da480c1f4c21b
----------------------------------------------------------------------------
5426ff9: system loader: Initial work on new rasberrypi_arm loader
* Used routerboard loader as a base skel
* May just be temporary if u-boot ever gets Raspberry Pi
support
[ Alexander von Gluck IV <kallisti5@xxxxxxxxxxx> ]
----------------------------------------------------------------------------
Revision: hrev44090
Commit: 5426ff9347f8c71056c786ef937da480c1f4c21b
URL: http://cgit.haiku-os.org/haiku/commit/?id=5426ff9
Author: Alexander von Gluck IV <kallisti5@xxxxxxxxxxx>
Date: Tue May 1 18:48:07 2012 UTC
----------------------------------------------------------------------------
24 files changed, 1035 insertions(+)
.../boot/platform/raspberrypi_arm/platform_arch.h | 39 +++++
.../raspberrypi_arm/platform_kernel_args.h | 23 +++
.../raspberrypi_arm/platform_stage2_args.h | 17 ++
src/system/boot/platform/raspberrypi_arm/Jamfile | 52 ++++++
.../platform/raspberrypi_arm/arch_start_kernel.S | 37 +++++
.../boot/platform/raspberrypi_arm/console.cpp | 131 ++++++++++++++++
src/system/boot/platform/raspberrypi_arm/console.h | 20 +++
src/system/boot/platform/raspberrypi_arm/cpu.cpp | 40 +++++
src/system/boot/platform/raspberrypi_arm/cpu.h | 23 +++
src/system/boot/platform/raspberrypi_arm/debug.cpp | 30 ++++
.../boot/platform/raspberrypi_arm/devices.cpp | 47 ++++++
src/system/boot/platform/raspberrypi_arm/entry.S | 9 ++
.../boot/platform/raspberrypi_arm/keyboard.cpp | 43 +++++
.../boot/platform/raspberrypi_arm/keyboard.h | 33 ++++
src/system/boot/platform/raspberrypi_arm/menu.cpp | 53 +++++++
src/system/boot/platform/raspberrypi_arm/mmu.cpp | 94 +++++++++++
src/system/boot/platform/raspberrypi_arm/mmu.h | 29 ++++
.../boot/platform/raspberrypi_arm/serial.cpp | 56 +++++++
src/system/boot/platform/raspberrypi_arm/serial.h | 27 ++++
src/system/boot/platform/raspberrypi_arm/start.c | 117 ++++++++++++++
src/system/boot/platform/raspberrypi_arm/video.cpp | 37 +++++
src/system/kernel/platform/raspberrypi_arm/Jamfile | 8 +
.../kernel/platform/raspberrypi_arm/platform.cpp | 3 +
.../ldscripts/arm/boot_loader_raspberrypi_arm.ld | 67 ++++++++
----------------------------------------------------------------------------
diff --git
a/headers/private/kernel/boot/platform/raspberrypi_arm/platform_arch.h
b/headers/private/kernel/boot/platform/raspberrypi_arm/platform_arch.h
new file mode 100644
index 0000000..3c95b64
--- /dev/null
+++ b/headers/private/kernel/boot/platform/raspberrypi_arm/platform_arch.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2003, Axel Dörfler, axeld@xxxxxxxxxxxxxxxxx All rights reserved.
+ * Distributed under the terms of the OpenBeOS License.
+ * Copyright 2011-2012, Haiku Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+*/
+#ifndef KERNEL_BOOT_PLATFORM_PI_ARCH_H
+#define KERNEL_BOOT_PLATFORM_PI_ARCH_H
+
+
+#include <SupportDefs.h>
+
+
+struct kernel_args;
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+/* memory management */
+extern status_t arch_set_callback(void);
+extern void *arch_mmu_allocate(void *address, size_t size, uint8 protection,
+ bool exactAddress);
+extern status_t arch_mmu_free(void *address, size_t size);
+extern status_t arch_mmu_init(void);
+
+/* CPU */
+extern status_t boot_arch_cpu_init(void);
+
+/* kernel start */
+status_t arch_start_kernel(struct kernel_args *kernelArgs, addr_t kernelEntry,
+ addr_t kernelStackTop);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* KERNEL_BOOT_PLATFORM_PI_ARCH_H */
diff --git
a/headers/private/kernel/boot/platform/raspberrypi_arm/platform_kernel_args.h
b/headers/private/kernel/boot/platform/raspberrypi_arm/platform_kernel_args.h
new file mode 100644
index 0000000..ff7a8e2
--- /dev/null
+++
b/headers/private/kernel/boot/platform/raspberrypi_arm/platform_kernel_args.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2009-2011, Haiku Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef KERNEL_BOOT_PLATFORM_PI_KERNEL_ARGS_H
+#define KERNEL_BOOT_PLATFORM_PI_KERNEL_ARGS_H
+
+#ifndef KERNEL_BOOT_KERNEL_ARGS_H
+# error This file is included from <boot/kernel_args.h> only
+#endif
+
+// must match SMP_MAX_CPUS in arch_smp.h
+#define MAX_BOOT_CPUS 1
+#define MAX_PHYSICAL_MEMORY_RANGE 4
+#define MAX_PHYSICAL_ALLOCATED_RANGE 8
+#define MAX_VIRTUAL_ALLOCATED_RANGE 32
+
+
+typedef struct {
+ char dummy;
+} platform_kernel_args;
+
+#endif /* KERNEL_BOOT_PLATFORM_PI_KERNEL_ARGS_H */
diff --git
a/headers/private/kernel/boot/platform/raspberrypi_arm/platform_stage2_args.h
b/headers/private/kernel/boot/platform/raspberrypi_arm/platform_stage2_args.h
new file mode 100644
index 0000000..81169cf
--- /dev/null
+++
b/headers/private/kernel/boot/platform/raspberrypi_arm/platform_stage2_args.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright 2009-2012, Haiku Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef KERNEL_BOOT_PLATFORM_PI_STAGE2_H
+#define KERNEL_BOOT_PLATFORM_PI_STAGE2_H
+
+#ifndef KERNEL_BOOT_STAGE2_ARGS_H
+# error This file is included from <boot/stage2_args.h> only
+#endif
+
+struct platform_stage2_args {
+ void *boot_tgz_data;
+ uint32 boot_tgz_size;
+};
+
+#endif /* KERNEL_BOOT_PLATFORM_PI_STAGE2_H */
diff --git a/src/system/boot/platform/raspberrypi_arm/Jamfile
b/src/system/boot/platform/raspberrypi_arm/Jamfile
new file mode 100644
index 0000000..b854c2b
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/Jamfile
@@ -0,0 +1,52 @@
+SubDir HAIKU_TOP src system boot platform raspberrypi_arm ;
+
+SubDirHdrs $(HAIKU_TOP) headers private kernel boot platform
$(TARGET_BOOT_PLATFORM) ;
+
+UsePrivateHeaders [ FDirName kernel disk_device_manager ] ;
+UsePrivateHeaders [ FDirName graphics common ] ;
+UsePrivateHeaders [ FDirName graphics vesa ] ;
+UsePrivateHeaders [ FDirName storage ] ;
+
+{
+ local defines = _BOOT_MODE ;
+
+ defines = [ FDefines $(defines) ] ;
+ SubDirCcFlags $(defines) ;
+ SubDirC++Flags $(defines) -fno-rtti ;
+}
+
+SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src add-ons accelerants common ] ;
+
+local genericPlatformSources =
+ text_menu.cpp
+# video_blit.cpp
+# video_splash.cpp
+;
+
+KernelMergeObject boot_platform_raspberrypi_arm.o :
+ entry.S
+ start.c
+ console.cpp
+ cpu.cpp
+ debug.cpp
+ devices.cpp
+ keyboard.cpp
+ menu.cpp
+ mmu.cpp
+ serial.cpp
+ video.cpp
+ arch_start_kernel.S
+
+ $(genericPlatformSources)
+ : -fno-pic
+ : boot_platform_generic.a
+;
+
+
+SEARCH on [ FGristFiles $(genericPlatformSources) ]
+ = [ FDirName $(HAIKU_TOP) src system boot platform generic ] ;
+
+
+# Tell the build system to where stage1.bin can be found, so it can be used
+# elsewhere.
+SEARCH on stage1.bin = $(SUBDIR) ;
diff --git a/src/system/boot/platform/raspberrypi_arm/arch_start_kernel.S
b/src/system/boot/platform/raspberrypi_arm/arch_start_kernel.S
new file mode 100644
index 0000000..ebd7db5
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/arch_start_kernel.S
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2011, Fran??ois Revol <revol@xxxxxxx>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <arch/arm/arch_cpu.h>
+
+#include <asm_defs.h>
+
+ .text
+
+/*
+ * status_t arch_start_kernel(struct kernel_args *kernelArgs,
+ * addr_t kernelEntry, addr_t kernelStackTop);
+
+ r0 - kernelArgs
+ r1 - kernelEntry
+ r2 - kernelStackTop
+*/
+FUNCTION(arch_start_kernel):
+
+ // set the kernel stack
+ mov sp,r2
+
+ // set up kernel _start args
+ //mov r0,r0 // kernelArgs
+ mov r4,r1
+ mov r1,#0 // currentCPU=0
+
+ // call the kernel
+ mov pc,r4
+
+ // return
+ mov r0,#-1 // B_ERROR
+ mov pc,lr
+
+FUNCTION_END(arch_start_kernel)
diff --git a/src/system/boot/platform/raspberrypi_arm/console.cpp
b/src/system/boot/platform/raspberrypi_arm/console.cpp
new file mode 100644
index 0000000..a79b0ea
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/console.cpp
@@ -0,0 +1,131 @@
+/*
+ * Copyright 2009 Jonas Sundström, jonas@xxxxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+
+#include "console.h"
+
+#include <SupportDefs.h>
+
+#include "keyboard.h"
+
+
+class Console : public ConsoleNode {
+public:
+ Console();
+
+ virtual ssize_t ReadAt(void* cookie, off_t pos,
void* buffer,
+ size_t
bufferSize);
+ virtual ssize_t WriteAt(void* cookie, off_t pos,
+ const
void* buffer, size_t bufferSize);
+};
+
+static uint32 sScreenWidth = 80;
+static uint32 sScreenHeight = 25;
+static uint32 sScreenOffset = 0;
+static uint16 sColor = 0x0f00;
+
+static Console sInput, sOutput;
+
+FILE* stdin;
+FILE* stdout;
+FILE* stderr;
+
+
+// #pragma mark -
+
+
+Console::Console()
+ : ConsoleNode()
+{
+}
+
+
+ssize_t
+Console::ReadAt(void* cookie, off_t pos, void* buffer, size_t bufferSize)
+{
+#warning IMPLEMENT ReadAt
+ return 0;
+}
+
+
+ssize_t
+Console::WriteAt(void* cookie, off_t /*pos*/, const void* buffer,
+ size_t bufferSize)
+{
+#warning IMPLEMENT WriteAt
+ return 0;
+}
+
+
+// #pragma mark -
+
+
+void
+console_clear_screen(void)
+{
+#warning IMPLEMENT console_clear_screen
+}
+
+
+int32
+console_width(void)
+{
+#warning IMPLEMENT console_width
+ return 0;
+}
+
+
+int32
+console_height(void)
+{
+#warning IMPLEMENT console_height
+ return 0;
+}
+
+
+void
+console_set_cursor(int32 x, int32 y)
+{
+#warning IMPLEMENT console_set_cursor
+}
+
+
+void
+console_set_color(int32 foreground, int32 background)
+{
+#warning IMPLEMENT console_set_color
+}
+
+
+int
+console_wait_for_key(void)
+{
+#warning IMPLEMENT console_wait_for_key
+ union key key;
+ return key.code.ascii;
+}
+
+
+void
+console_show_cursor(void)
+{
+#warning IMPLEMENT console_show_cursor
+}
+
+
+void
+console_hide_cursor(void)
+{
+#warning IMPLEMENT console_hide_cursor
+}
+
+
+status_t
+console_init(void)
+{
+#warning IMPLEMENT console_init
+ return B_OK;
+}
+
diff --git a/src/system/boot/platform/raspberrypi_arm/console.h
b/src/system/boot/platform/raspberrypi_arm/console.h
new file mode 100644
index 0000000..55f21e2
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/console.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2009 Jonas Sundström, jonas@xxxxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+#ifndef _SYSTEM_BOOT_PLATFORM_STUB_CONSOLE_H
+#define _SYSTEM_BOOT_PLATFORM_STUB_CONSOLE_H
+
+#include <boot/platform/generic/text_console.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern status_t console_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYSTEM_BOOT_PLATFORM_STUB_CONSOLE_H */
diff --git a/src/system/boot/platform/raspberrypi_arm/cpu.cpp
b/src/system/boot/platform/raspberrypi_arm/cpu.cpp
new file mode 100644
index 0000000..bc2f15f
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/cpu.cpp
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2009 Jonas Sundström, jonas@xxxxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+
+#include "cpu.h"
+
+#include <OS.h>
+#include <arch/cpu.h>
+#include <arch_kernel.h>
+#include <arch_system_info.h>
+
+#include <string.h>
+
+
+static status_t
+check_cpu_features()
+{
+#warning IMPLEMENT check_cpu_features
+ return B_ERROR;
+}
+
+
+// #pragma mark -
+
+
+extern "C" void
+spin(bigtime_t microseconds)
+{
+#warning IMPLEMENT spin
+}
+
+
+extern "C" void
+cpu_init()
+{
+#warning IMPLEMENT cpu_init
+}
+
diff --git a/src/system/boot/platform/raspberrypi_arm/cpu.h
b/src/system/boot/platform/raspberrypi_arm/cpu.h
new file mode 100644
index 0000000..466b4bf
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/cpu.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2009 Jonas Sundström, jonas@xxxxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+#ifndef _SYSTEM_BOOT_PLATFORM_PI_CPU_H
+#define _SYSTEM_BOOT_PLATFORM_PI_CPU_H
+
+
+#include <SupportDefs.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern void cpu_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYSTEM_BOOT_PLATFORM_ROUTERBOARD_MIPSEL_CPU_H */
+
diff --git a/src/system/boot/platform/raspberrypi_arm/debug.cpp
b/src/system/boot/platform/raspberrypi_arm/debug.cpp
new file mode 100644
index 0000000..091cb41
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/debug.cpp
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2009 Jonas Sundström, jonas@xxxxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+
+#include <boot/platform.h>
+#include <boot/stdio.h>
+#include <stdarg.h>
+
+
+void
+panic(const char* format, ...)
+{
+#warning IMPLEMENT panic
+}
+
+
+void
+dprintf(const char* format, ...)
+{
+#warning IMPLEMENT dprintf
+}
+
+
+char*
+platform_debug_get_log_buffer(size_t* _size)
+{
+ return NULL;
+}
diff --git a/src/system/boot/platform/raspberrypi_arm/devices.cpp
b/src/system/boot/platform/raspberrypi_arm/devices.cpp
new file mode 100644
index 0000000..277c58c
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/devices.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2009 Jonas Sundström, jonas@xxxxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+
+#include <KernelExport.h>
+#include <boot/platform.h>
+#include <boot/partitions.h>
+#include <boot/stdio.h>
+#include <boot/stage2.h>
+
+#include <string.h>
+
+
+status_t
+platform_add_boot_device(struct stage2_args* args, NodeList* devicesList)
+{
+#warning IMPLEMENT platform_add_boot_device
+ return B_ERROR;
+}
+
+
+status_t
+platform_get_boot_partition(struct stage2_args* args, Node* bootDevice,
+ NodeList* list, boot::Partition** _partition)
+{
+#warning IMPLEMENT platform_get_boot_partition
+ return B_ERROR;
+}
+
+
+status_t
+platform_add_block_devices(stage2_args* args, NodeList* devicesList)
+{
+#warning IMPLEMENT platform_add_block_devices
+ return B_ERROR;
+}
+
+
+status_t
+platform_register_boot_device(Node* device)
+{
+#warning IMPLEMENT platform_register_boot_device
+ return B_ERROR;
+}
+
diff --git a/src/system/boot/platform/raspberrypi_arm/entry.S
b/src/system/boot/platform/raspberrypi_arm/entry.S
new file mode 100644
index 0000000..4d48aeb
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/entry.S
@@ -0,0 +1,9 @@
+.globl _start
+_start:
+
+ /* Set up 1MB C Stack Space */
+ mov sp, #0x100000
+
+ mov r4,#0
+ /* Start loader */
+ b pi_start
diff --git a/src/system/boot/platform/raspberrypi_arm/keyboard.cpp
b/src/system/boot/platform/raspberrypi_arm/keyboard.cpp
new file mode 100644
index 0000000..68eea93
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/keyboard.cpp
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2009 Jonas Sundström, jonas@xxxxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+
+#include "keyboard.h"
+
+#include <boot/platform.h>
+
+
+static uint16
+check_for_key(void)
+{
+#warning IMPLEMENT check_for_key
+ return 0;
+}
+
+
+extern "C" void
+clear_key_buffer(void)
+{
+#warning IMPLEMENT clear_key_buffer
+ while (check_for_key() != 0)
+ ;
+}
+
+
+extern "C" union key
+wait_for_key(void)
+{
+#warning IMPLEMENT wait_for_key
+ union key key;
+ return key;
+}
+
+
+extern "C" uint32
+check_for_boot_keys(void)
+{
+#warning IMPLEMENT check_for_boot_keys
+ return 0;
+}
diff --git a/src/system/boot/platform/raspberrypi_arm/keyboard.h
b/src/system/boot/platform/raspberrypi_arm/keyboard.h
new file mode 100644
index 0000000..4cd0cee
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/keyboard.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2009 Jonas Sundström, jonas@xxxxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+#ifndef _SYSTEM_BOOT_PLATFORM_PI_KEYBOARD_H
+#define _SYSTEM_BOOT_PLATFORM_PI_KEYBOARD_H
+
+
+#include <SupportDefs.h>
+
+
+union key {
+ uint16 ax;
+ struct {
+ uint8 ascii;
+ uint8 bios;
+ } code;
+};
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern void clear_key_buffer(void);
+extern union key wait_for_key(void);
+extern uint32 check_for_boot_keys(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYSTEM_BOOT_PLATFORM_PI_KEYBOARD_H */
diff --git a/src/system/boot/platform/raspberrypi_arm/menu.cpp
b/src/system/boot/platform/raspberrypi_arm/menu.cpp
new file mode 100644
index 0000000..76ddf22
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/menu.cpp
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2009 Jonas Sundström, jonas@xxxxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+
+#include <boot/menu.h>
+#include <boot/platform/generic/text_menu.h>
+
+
+void
+platform_add_menus(Menu* menu)
+{
+ MenuItem* item;
+
+ switch (menu->Type()) {
+ case MAIN_MENU:
+ case SAFE_MODE_MENU:
+ menu->AddItem(item = new(nothrow) MenuItem("A menu
item"));
+ item->SetType(MENU_ITEM_MARKABLE);
+ item->SetData(0);
+ item->SetHelpText("A helpful text.");
+
+ menu->AddItem(item = new(nothrow) MenuItem("Another
menu item"));
+ item->SetHelpText("Some more helpful text.");
+ item->SetType(MENU_ITEM_MARKABLE);
+ break;
+ default:
+ break;
+ }
+}
+
+
+void
+platform_update_menu_item(Menu* menu, MenuItem* item)
+{
+ platform_generic_update_text_menu_item(menu, item);
+}
+
+
+void
+platform_run_menu(Menu* menu)
+{
+ platform_generic_run_text_menu(menu);
+}
+
+
+void
+platform_get_user_input_text(Menu *menu, MenuItem *item, char *buffer,
+ size_t bufferSize)
+{
+ platform_generic_get_user_input_text(menu, item, buffer, bufferSize);
+}
diff --git a/src/system/boot/platform/raspberrypi_arm/mmu.cpp
b/src/system/boot/platform/raspberrypi_arm/mmu.cpp
new file mode 100644
index 0000000..d2178f7
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/mmu.cpp
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2009 Jonas Sundström, jonas@xxxxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+
+#include "mmu.h"
+
+#include <boot/platform.h>
+#include <boot/stdio.h>
+#include <boot/kernel_args.h>
+#include <boot/stage2.h>
+#include <arch/cpu.h>
+#include <arch_kernel.h>
+#include <kernel.h>
+
+#include <OS.h>
+
+#include <string.h>
+
+
+// #pragma mark -
+
+
+extern "C" addr_t
+mmu_map_physical_memory(addr_t physicalAddress, size_t size, uint32 flags)
+{
+#warning IMPLEMENT mmu_map_physical_memory
+ return 0;
+}
+
+
+extern "C" void*
+mmu_allocate(void* virtualAddress, size_t size)
+{
+#warning IMPLEMENT mmu_allocate
+ return 0;
+}
+
+
+extern "C" void
+mmu_free(void* virtualAddress, size_t size)
+{
+#warning IMPLEMENT mmu_free
+}
+
+
+extern "C" void
+mmu_init_for_kernel(void)
+{
+#warning IMPLEMENT mmu_init_for_kernel
+}
+
+
+extern "C" void
+mmu_init(void)
+{
+#warning IMPLEMENT mmu_init
+}
+
+
+// #pragma mark -
+
+
+extern "C" status_t
+platform_allocate_region(void** _address, size_t size, uint8 protection,
+ bool /*exactAddress*/)
+{
+#warning IMPLEMENT platform_allocate_region
+ return B_ERROR;
+}
+
+
+extern "C" status_t
+platform_free_region(void* address, size_t size)
+{
+#warning IMPLEMENT platform_free_region
+ return B_ERROR;
+}
+
+
+void
+platform_release_heap(struct stage2_args* args, void* base)
+{
+#warning IMPLEMENT platform_release_heap
+}
+
+
+status_t
+platform_init_heap(struct stage2_args* args, void** _base, void** _top)
+{
+#warning IMPLEMENT platform_init_heap
+ return B_ERROR;
+}
diff --git a/src/system/boot/platform/raspberrypi_arm/mmu.h
b/src/system/boot/platform/raspberrypi_arm/mmu.h
new file mode 100644
index 0000000..219d5a8
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/mmu.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2009 Jonas Sundström, jonas@xxxxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+#ifndef _SYSTEM_BOOT_PLATFORM_PI_MMU_H
+#define _SYSTEM_BOOT_PLATFORM_PI_MMU_H
+
+
+#include <SupportDefs.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern void mmu_init(void);
+extern void mmu_init_for_kernel(void);
+
+extern addr_t mmu_map_physical_memory(addr_t physicalAddress, size_t size,
+ uint32 flags);
+
+extern void* mmu_allocate(void* virtualAddress, size_t size);
+extern void mmu_free(void* virtualAddress, size_t size);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYSTEM_BOOT_PLATFORM_PI_MMU_H */
diff --git a/src/system/boot/platform/raspberrypi_arm/serial.cpp
b/src/system/boot/platform/raspberrypi_arm/serial.cpp
new file mode 100644
index 0000000..4c8d121
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/serial.cpp
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2009 Jonas Sundström, jonas@xxxxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+
+#include "serial.h"
+
+#include <boot/platform.h>
+#include <arch/cpu.h>
+#include <boot/stage2.h>
+
+#include <string.h>
+
+
+static void
+serial_putc(char c)
+{
+#warning IMPLEMENT serial_putc
+}
+
+
+extern "C" void
+serial_puts(const char* string, size_t size)
+{
+#warning IMPLEMENT serial_puts
+}
+
+
+extern "C" void
+serial_disable(void)
+{
+#warning IMPLEMENT serial_disable
+}
+
+
+extern "C" void
+serial_enable(void)
+{
+#warning IMPLEMENT serial_enable
+}
+
+
+extern "C" void
+serial_cleanup(void)
+{
+#warning IMPLEMENT serial_cleanup
+}
+
+
+extern "C" void
+serial_init(void)
+{
+#warning IMPLEMENT serial_init
+}
+
diff --git a/src/system/boot/platform/raspberrypi_arm/serial.h
b/src/system/boot/platform/raspberrypi_arm/serial.h
new file mode 100644
index 0000000..e6d2c04
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/serial.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2009 Jonas Sundström, jonas@xxxxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+#ifndef _SYSTEM_BOOT_PLATFORM_PI_SERIAL_H
+#define _SYSTEM_BOOT_PLATFORM_PI_SERIAL_H
+
+
+#include <SupportDefs.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern void serial_init(void);
+extern void serial_cleanup(void);
+extern void serial_puts(const char *string, size_t size);
+extern void serial_disable(void);
+extern void serial_enable(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* _SYSTEM_BOOT_PLATFORM_ROUTERBOARD_MIPSEL_SERIAL_H */
diff --git a/src/system/boot/platform/raspberrypi_arm/start.c
b/src/system/boot/platform/raspberrypi_arm/start.c
new file mode 100644
index 0000000..8e95321
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/start.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2009 Jonas Sundström, jonas@xxxxxxxxxxx
+ * Copyright 2003-2008 Axel Dörfler, axeld@xxxxxxxxxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+
+#include "serial.h"
+#include "console.h"
+#include "cpu.h"
+#include "mmu.h"
+#include "keyboard.h"
+
+#include <KernelExport.h>
+#include <boot/platform.h>
+#include <boot/heap.h>
+#include <boot/stage2.h>
+#include <arch/cpu.h>
+
+#include <string.h>
+
+
+#define HEAP_SIZE 65536
+
+
+// GCC defined globals
+extern void (*__ctor_list)(void);
+extern void (*__ctor_end)(void);
+extern uint8 __bss_start;
+extern uint8 _end;
+
+extern int main(stage2_args *args);
+void _start(void);
+
+
+static void
+clear_bss(void)
+{
+ /* TODO: fix boot_loader_routerboard_mipsel.ld
+ * so this code works, or find a workaround.
+ */
+/*
+ memset(&__bss_start, 0, &_end - &__bss_start);
+*/
+}
+
+
+static void
+call_ctors(void)
+{
+ /* TODO: fix boot_loader_routerboard_mipsel.ld
+ * so this code works, or find a workaround.
+ */
+/*
+ void (**f)(void);
+
+ for (f = &__ctor_list; f < &__ctor_end; f++) {
+ (**f)();
+ }
+*/
+}
+
+
+// #pragma mark -
+
+
+void
+abort(void)
+{
+ panic("abort");
+}
+
+
+uint32
+platform_boot_options(void)
+{
+#warning IMPLEMENT platform_boot_options
+ return 0;
+}
+
+
+void
+platform_start_kernel(void)
+{
+#warning IMPLEMENT platform_start_kernel
+ panic("kernel returned!\n");
+}
+
+
+void
+platform_exit(void)
+{
+#warning IMPLEMENT platform_exit
+}
+
+
+void
+pi_start(void)
+{
+#warning IMPLEMENT _start
+ stage2_args args;
+
+ clear_bss();
+ call_ctors();
+
+ cpu_init();
+ mmu_init();
+ serial_init();
+ console_init();
+ serial_enable();
+
+ args.heap_size = HEAP_SIZE;
+ args.arguments = NULL;
+
+ main(&args);
+}
+
diff --git a/src/system/boot/platform/raspberrypi_arm/video.cpp
b/src/system/boot/platform/raspberrypi_arm/video.cpp
new file mode 100644
index 0000000..9672899
--- /dev/null
+++ b/src/system/boot/platform/raspberrypi_arm/video.cpp
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2009 Jonas Sundström, jonas@xxxxxxxxxxx
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+
+#include <SupportDefs.h>
+
+
+extern "C" void
+platform_set_palette(const uint8* palette)
+{
+#warning IMPLEMENT platform_set_palette
+}
+
+
+extern "C" void
+platform_switch_to_logo(void)
+{
+#warning IMPLEMENT platform_switch_to_logo
+}
+
+
+extern "C" void
+platform_switch_to_text_mode(void)
+{
+#warning IMPLEMENT platform_switch_to_text_mode
+}
+
+
+extern "C" status_t
+platform_init_video(void)
+{
+#warning IMPLEMENT platform_init_video
+ return B_ERROR;
+}
+
diff --git a/src/system/kernel/platform/raspberrypi_arm/Jamfile
b/src/system/kernel/platform/raspberrypi_arm/Jamfile
new file mode 100644
index 0000000..9bb2b98
--- /dev/null
+++ b/src/system/kernel/platform/raspberrypi_arm/Jamfile
@@ -0,0 +1,8 @@
+SubDir HAIKU_TOP src system kernel platform raspberrypi_arm ;
+
+SubDirCcFlags $(TARGET_KERNEL_PIC_CCFLAGS) ;
+SubDirC++Flags $(TARGET_KERNEL_PIC_CCFLAGS) ;
+
+KernelMergeObject kernel_platform_raspberrypi_arm.o :
+ platform.cpp
+;
diff --git a/src/system/kernel/platform/raspberrypi_arm/platform.cpp
b/src/system/kernel/platform/raspberrypi_arm/platform.cpp
new file mode 100644
index 0000000..d5b2a69
--- /dev/null
+++ b/src/system/kernel/platform/raspberrypi_arm/platform.cpp
@@ -0,0 +1,3 @@
+/*
+ Just a dummy. No BIOS services are required in the kernel.
+*/
diff --git a/src/system/ldscripts/arm/boot_loader_raspberrypi_arm.ld
b/src/system/ldscripts/arm/boot_loader_raspberrypi_arm.ld
new file mode 100644
index 0000000..70176e6
--- /dev/null
+++ b/src/system/ldscripts/arm/boot_loader_raspberrypi_arm.ld
@@ -0,0 +1,67 @@
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+
+ENTRY(_start)
+SECTIONS
+{
+ . = BOARD_LOADER_BASE;
+
+ /* text/read-only data */
+ .text : { *(.text .gnu.linkonce.t.*) }
+
+ . = ALIGN(0x4);
+ __ctor_list = .;
+ .ctors : { *(.ctors) }
+ __ctor_end = .;
+
+ .rodata : { *(.rodata .rodata.*) }
+
+ /* writable data */
+ . = ALIGN(0x1000);
+ __data_start = .;
+ .data : { *(.data .gnu.linkonce.d.*) }
+
+ /* exception unwinding - should really not be needed! */
+ __exidx_start = .;
+ .ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) }
+ __exidx_end = .;
+
+ /* uninitialized data (in same segment as writable data) */
+ __bss_start = .;
+ .bss : { *(.bss) }
+
+ . = ALIGN(0x1000);
+ _end = . ;
+ /* Stabs debugging sections. */
+ .stab 0 : { *(.stab) }
+ .stabstr 0 : { *(.stabstr) }
+ /* DWARF debug sections.
+ Symbols in the DWARF debugging sections are relative to the beginning
+ of the section so we begin them at 0. */
+ /* DWARF 1 */
+ .debug 0 : { *(.debug) }
+ .line 0 : { *(.line) }
+ /* GNU DWARF 1 extensions */
+ .debug_srcinfo 0 : { *(.debug_srcinfo) }
+ .debug_sfnames 0 : { *(.debug_sfnames) }
+ /* DWARF 1.1 and DWARF 2 */
+ .debug_aranges 0 : { *(.debug_aranges) }
+ .debug_pubnames 0 : { *(.debug_pubnames) }
+ /* DWARF 2 */
+ .debug_info 0 : { *(.debug_info) }
+ .debug_abbrev 0 : { *(.debug_abbrev) }
+ .debug_line 0 : { *(.debug_line) }
+ .debug_frame 0 : { *(.debug_frame) }
+ .debug_str 0 : { *(.debug_str) }
+ .debug_loc 0 : { *(.debug_loc) }
+ .debug_macinfo 0 : { *(.debug_macinfo) }
+ /* SGI/MIPS DWARF 2 extensions */
+ .debug_weaknames 0 : { *(.debug_weaknames) }
+ .debug_funcnames 0 : { *(.debug_funcnames) }
+ .debug_typenames 0 : { *(.debug_typenames) }
+ .debug_varnames 0 : { *(.debug_varnames) }
+ /* These must appear regardless of . */
+
+ /* Strip unnecessary stuff */
+/* /DISCARD/ : { *(.comment .note .eh_frame .dtors .stab .stabstr .debug*)
}*/
+}
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