Added the start of a userland boot loader test (i.e. userland platform

bindings for the stage2 boot loader).


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4617 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/kernel/boot/loader/Handle.cpp

@@ -0,0 +1,70 @@
+/*
+** Copyright 2003, Axel Dörfler, [email protected]. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
+
+
+#include "Handle.h"
+
+#include <SupportDefs.h>
+#include <boot/platform.h>
+
+#include <stdio.h>
+#include <unistd.h>
+
+
+Handle::Handle(int handle, bool takeOwnership)
+	:
+	fHandle(handle),
+	fOwnHandle(takeOwnership)
+{
+}
+
+
+Handle::Handle(void)
+	:
+	fHandle(0)
+{
+}
+
+
+Handle::~Handle()
+{
+	if (fOwnHandle)
+		close(fHandle);
+}
+
+
+void
+Handle::SetHandle(int handle, bool takeOwnership)
+{
+	if (fHandle && fOwnHandle)
+		close(fHandle);
+
+	fHandle = handle;
+	fOwnHandle = takeOwnership;
+}
+
+
+ssize_t
+Handle::ReadAt(void *cookie, off_t pos, void *buffer, size_t bufferSize)
+{
+	return pread(fHandle, buffer, bufferSize, pos);
+}
+
+
+ssize_t
+Handle::WriteAt(void *cookie, off_t pos, const void *buffer, size_t bufferSize)
+{
+	return pwrite(fHandle, buffer, bufferSize, pos);
+}
+
+
+off_t 
+Handle::Size() const
+{
+	// ToDo: fix this!
+	return 1024LL * 1024 * 1024 * 1024;
+		// 1024 GB
+}
+

src/tests/kernel/boot/loader/Handle.h

@@ -0,0 +1,34 @@
+/*
+** Copyright 2003, Axel Dörfler, [email protected]. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
+#ifndef HANDLE_H
+#define HANDLE_H
+
+
+#include <boot/vfs.h>
+
+
+#ifdef __cplusplus
+
+class Handle : public Node {
+	public:
+		Handle(int handle, bool takeOwnership = true);
+		Handle();
+		virtual ~Handle();
+
+		void SetHandle(int handle, bool takeOwnership = true);
+
+		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);
+
+		virtual off_t Size() const;
+
+	protected:
+		int		fHandle;
+		bool	fOwnHandle;
+};
+
+#endif	/* __cplusplus */
+
+#endif	/* HANDLE_H */

src/tests/kernel/boot/loader/Jamfile

@@ -0,0 +1,56 @@
+SubDir OBOS_TOP src tests kernel boot loader ;
+
+UsePrivateHeaders [ FDirName kernel ] ;
+UsePrivateHeaders [ FDirName kernel disk_device_manager ] ;
+UsePrivateHeaders [ FDirName storage ] ;
+SubDirHdrs $(OBOS_TOP) headers private kernel arch $(OBOS_ARCH) ;
+
+ObjectDefines 
+	heap.cpp 
+	main.cpp
+	vfs.cpp
+	partitions.cpp
+	stdio.cpp
+	RootFileSystem.cpp
+	: 
+	malloc=boot_malloc free=boot_free 
+	read_pos=boot_read_pos close=boot_close
+	;
+
+# This lets the correct stdio.h header be available
+# on the build platform.
+# This will be fixed with the move to GNU's stdio header
+if $(OS) = "LINUX" {
+#	SubDirC++Flags -include /usr/include/stdio.h ;
+} else {
+	SubDirC++Flags -include /boot/develop/headers/posix/stdio.h ;
+}
+
+SimpleTest BootLoaderTest :
+	platform_start.cpp
+	#platform_console.cpp
+	platform_debug.cpp
+	platform_devices.cpp
+	platform_heap.cpp
+	Handle.cpp
+
+	main.cpp
+	vfs.cpp
+	partitions.cpp
+	heap.cpp
+	RootFileSystem.cpp
+
+	list.c
+	:
+	: -fno-builtin
+	;
+
+# Tell Jam where to find the utility sources
+SEARCH on [ FGristFiles list.c ]
+    = [ FDirName $(OBOS_TOP) src kernel core util ] ;
+
+SEARCH on [ FGristFiles 
+		main.cpp vfs.cpp partitions.cpp
+		heap.cpp RootFileSystem.cpp
+	] = [ FDirName $(OBOS_TOP) src kernel boot loader ] ;
+

src/tests/kernel/boot/loader/platform_debug.cpp

@@ -0,0 +1,34 @@
+/*
+** Copyright 2003, Axel Dörfler, [email protected]. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
+
+
+#include <boot/platform.h>
+
+#include <stdio.h>
+#include <stdarg.h>
+
+
+void
+panic(const char *format, ...)
+{
+	va_list args;
+
+	puts("*** PANIC ***");
+	va_start(args, format);
+	vprintf(format, args);
+	va_end(args);
+}
+
+
+void
+dprintf(const char *format, ...)
+{
+	va_list args;
+
+	va_start(args, format);
+	vprintf(format, args);
+	va_end(args);
+}
+

src/tests/kernel/boot/loader/platform_devices.cpp

@@ -0,0 +1,16 @@
+/*
+** Copyright 2003, Axel Dörfler, [email protected]. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
+
+
+#include <boot/platform.h>
+
+
+status_t
+platform_get_boot_devices(struct stage2_args *args, struct list *list)
+{
+	return B_OK;
+}
+
+

src/tests/kernel/boot/loader/platform_heap.cpp

@@ -0,0 +1,29 @@
+/*
+** Copyright 2003, Axel Dörfler, [email protected]. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
+
+
+#include <boot/platform.h>
+#include <stdlib.h>
+
+#define HEAP_SIZE 32768
+
+
+extern "C" void
+platform_release_heap(void *base)
+{
+	free(base);
+}
+
+
+extern "C" status_t
+platform_init_heap(struct stage2_args *args, void **_base, void **_top)
+{
+	*_base = malloc(HEAP_SIZE);
+	*_top = (void *)((uint8 *)*_base + HEAP_SIZE);
+
+	return B_OK;
+}
+
+

src/tests/kernel/boot/loader/platform_stage2_args.h

@@ -0,0 +1,12 @@
+/*
+** Copyright 2003, Axel Dörfler, [email protected]. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
+#ifndef PLATFORM_STAGE2_ARGS_H
+#define PLATFORM_STAGE2_ARGS_H
+
+struct platform_stage2_args {
+	/* they are just empty! */
+};
+
+#endif	/* PLATFORM_STAGE2_ARGS_H */

src/tests/kernel/boot/loader/platform_start.cpp

@@ -0,0 +1,18 @@
+/*
+** Copyright 2003, Axel Dörfler, [email protected]. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
+
+
+#include <boot/platform.h>
+
+
+extern "C" int boot(struct stage2_args *args);
+
+int
+main(int argc, char **argv)
+{
+	boot(NULL);
+	return 0;
+}
+