From 9776e38eb1ef45a84083c8e7af207225e06c9174 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Revol?= <revol@free.fr>
Date: Wed, 2 Jan 2008 22:05:28 +0000
Subject: [PATCH] smp ? me no know about smp here... This will be the stage 1
 loader...

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23222 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/system/boot/platform/atari_m68k/menu.cpp |  2 +-
 src/system/boot/platform/atari_m68k/stage1.S | 66 ++++++++++++++++++++
 2 files changed, 67 insertions(+), 1 deletion(-)
 create mode 100644 src/system/boot/platform/atari_m68k/stage1.S

diff --git a/src/system/boot/platform/atari_m68k/menu.cpp b/src/system/boot/platform/atari_m68k/menu.cpp
index d2e6014bee..26727a99da 100644
--- a/src/system/boot/platform/atari_m68k/menu.cpp
+++ b/src/system/boot/platform/atari_m68k/menu.cpp
@@ -28,9 +28,9 @@ platform_add_menus(Menu *menu)
 			item->SetData(B_SAFEMODE_FAIL_SAFE_VIDEO_MODE);
 			item->SetHelpText("The system will use VESA mode and won't try to open any video graphics driver");
 
+#if 0
 			smp_add_safemode_menus(menu);
 
-#if 0
 			menu->AddItem(item = new(nothrow) MenuItem("Don't call the BIOS"));
 			item->SetType(MENU_ITEM_MARKABLE);
 
diff --git a/src/system/boot/platform/atari_m68k/stage1.S b/src/system/boot/platform/atari_m68k/stage1.S
new file mode 100644
index 0000000000..e6b40dc867
--- /dev/null
+++ b/src/system/boot/platform/atari_m68k/stage1.S
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2005, Ingo Weinhold, bonefish@users.sf.net.
+ * Copyright 2007, Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT license.
+ *
+ * Author:
+ *		François Revol, revol@free.fr.
+ */
+
+#define FUNCTION(x) .global x; .type x,@function; x
+
+/*
+ * stage1 boot code for TOS for use as boot block of HDD partitions.
+ * cf.
+ * http://www.fortunecity.com/skyscraper/apple/308/html/chap3.htm
+ * http://leonard.oxg.free.fr/articles/multi_atari/multi_atari.html
+ * http://alive.atari.org/alive10/btmania.php
+ * 
+ * The offset of the partition in 512 byte blocks must be written at
+ * position PARTITION_OFFSET_OFFSET (32 bit little endian; makebootable does
+ * that) or otherwise the code can't find the partition.
+ * The partition must be a BFS formatted. The file "beos/system/zbeos"
+ * (the stage 2 boot loader) loaded into memory at 0x1000:0x0000 (linear address
+ * 0x10000) and entered at 0x:1000:0x0200 with parameters eax - partition offset
+ * in 512 byte blocks and dl - BIOS ID of the boot drive.
+ * 
+ * Compile via:
+ * nasm -f bin -O5 -o stage1.bin stage1.S
+ */
+
+// 1 enabled verbose output
+//#define DEBUG 1
+
+
+#define	BOOT_BLOCK_START_ADDRESS	0x7c00
+#define	STACK_ADDRESS				BOOT_BLOCK_START_ADDRESS
+#define	READ_BUFFER_STACK			STACK_ADDRESS - 0x2000
+#define	PARTITION_OFFSET_OFFSET		506
+#define	BFS_SUPERBLOCK_OFFSET		512
+
+
+// BFS definitions
+
+#define SUPER_BLOCK_MAGIC1			'1SFB'		; nasm reverses '...' consts
+#define SUPER_BLOCK_MAGIC2			0xdd121031
+#define SUPER_BLOCK_MAGIC3			0x15b6830e
+
+#define	INODE_MAGIC1				0x3bbe0ad9
+
+#define	NUM_DIRECT_BLOCKS			12
+
+#define	S_IFMT						00000170000o
+#define	S_IFDIR						00000040000o
+
+
+// BIOS calls
+
+
+
+
+
+
+	rts
+
+
+