From 22c06556ccbd07f4ef7da39a62d10e03fbee3fe0 Mon Sep 17 00:00:00 2001
From: Alexis211 <alexis211@gmail.com>
Date: Sun, 18 Oct 2009 10:34:11 +0200
Subject: Loading binaries now is done through a much more unified interface.

---
 Source/Kernel/Linker/Binary.proto.cpp      | 19 +++++++++++++++++++
 Source/Kernel/Linker/Binary.proto.h        | 16 ++++++++++++++++
 Source/Kernel/Linker/MelonBinary.class.cpp | 30 ++++++++++++++++++++++++++++++
 Source/Kernel/Linker/MelonBinary.class.h   | 21 +++++++++++++++++++++
 4 files changed, 86 insertions(+)
 create mode 100644 Source/Kernel/Linker/Binary.proto.cpp
 create mode 100644 Source/Kernel/Linker/Binary.proto.h
 create mode 100644 Source/Kernel/Linker/MelonBinary.class.cpp
 create mode 100644 Source/Kernel/Linker/MelonBinary.class.h

(limited to 'Source/Kernel/Linker')

diff --git a/Source/Kernel/Linker/Binary.proto.cpp b/Source/Kernel/Linker/Binary.proto.cpp
new file mode 100644
index 0000000..6053f22
--- /dev/null
+++ b/Source/Kernel/Linker/Binary.proto.cpp
@@ -0,0 +1,19 @@
+#include "Binary.proto.h"
+
+#include <Linker/MelonBinary.class.h>
+
+Binary* (*loaders[])(File& file) = {
+	&MelonBinary::load,
+
+0 };
+
+Binary* Binary::load(File& file) {
+	Binary* r = 0;
+	u32int i = 0;
+	while (loaders[i] != 0) {
+		r = loaders[i](file);	//Call loader
+		if (r != 0) break;
+		i++;
+	}
+	return r;
+}
diff --git a/Source/Kernel/Linker/Binary.proto.h b/Source/Kernel/Linker/Binary.proto.h
new file mode 100644
index 0000000..d0bd039
--- /dev/null
+++ b/Source/Kernel/Linker/Binary.proto.h
@@ -0,0 +1,16 @@
+#ifndef DEF_BINARY_PROTO_H
+#define DEF_BINARY_PROTO_H
+
+#include <VFS/File.class.h>
+#include <TaskManager/Process.class.h>
+#include <TaskManager/Thread.class.h>
+
+class Binary {
+	public:
+	static Binary* load(File& file);
+	virtual ~Binary() {}
+
+	virtual thread_entry_t toProcess(Process* p) = 0;
+};
+
+#endif
diff --git a/Source/Kernel/Linker/MelonBinary.class.cpp b/Source/Kernel/Linker/MelonBinary.class.cpp
new file mode 100644
index 0000000..d6074de
--- /dev/null
+++ b/Source/Kernel/Linker/MelonBinary.class.cpp
@@ -0,0 +1,30 @@
+#include "MelonBinary.class.h"
+
+Binary* MelonBinary::load(File& file) {
+	u32int magic;
+	file.read<u32int>(&magic);
+	if (magic == 0xFEEDBEEF) {
+		MelonBinary* r = new MelonBinary;
+		file.read<u32int>(&r->m_size);
+		file.read<u32int>(&r->m_org);
+		r->m_data = (u8int*)Mem::kalloc(r->m_size);
+		file.read(r->m_size, r->m_data);
+		return r;
+	} else {
+		return 0;
+	}
+}
+
+MelonBinary::~MelonBinary() {
+	delete m_data;
+}
+
+thread_entry_t MelonBinary::toProcess(Process* p) {
+	if (p == 0) return 0;
+	for (u32int i = m_org; i < m_org + m_size; i += 0x1000) {
+		p->getPagedir()->allocFrame(i, true, true);
+	}
+	p->getPagedir()->switchTo();
+	memcpy((u8int*)m_org, m_data, m_size);
+	return (thread_entry_t)m_org;
+}
diff --git a/Source/Kernel/Linker/MelonBinary.class.h b/Source/Kernel/Linker/MelonBinary.class.h
new file mode 100644
index 0000000..4300c7e
--- /dev/null
+++ b/Source/Kernel/Linker/MelonBinary.class.h
@@ -0,0 +1,21 @@
+#ifndef DEF_MELONBINARY_CLASS_H
+#define DEF_MELONBINARY_CLASS_H
+
+#include <Linker/Binary.proto.h>
+
+class MelonBinary : public Binary {
+	private:
+	u32int m_size;
+	u32int m_org;
+	u8int* m_data;
+
+	MelonBinary() {}
+
+	public:
+	virtual ~MelonBinary();
+	static Binary* load(File& file);
+
+	thread_entry_t toProcess(Process* p);
+};
+
+#endif
-- 
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