Some atari boot code

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23205 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/boot/platform/atari_m68k/Jamfile

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+SubDir HAIKU_TOP src system boot platform atari_m68k ;
+
+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) -Wall -Wno-multichar ;
+	SubDirC++Flags $(defines) -Wall -Wno-multichar -fno-rtti ;
+}
+
+#SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src add-ons accelerants common ] ;
+
+KernelMergeObject boot_platform_atari_m68k.o :
+	shell.S
+	start.c
+	debug.c
+	bios.S
+	console.cpp
+	serial.cpp
+	devices.cpp
+	keyboard.cpp
+	menu.cpp
+	mmu.cpp
+	cpu.cpp
+	smp.cpp
+	smp_trampoline.S
+	support.S
+	video.cpp
+	apm.cpp
+	
+	# generic
+	text_menu.cpp
+
+	# VESA/DDC EDID
+	#decode_edid.c
+	#dump_edid.c
+
+	: -fno-pic
+;
+
+SEARCH on [ FGristFiles text_menu.cpp ]
+	= [ 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) ;

src/system/boot/platform/atari_m68k/bios.h

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+/*
+ * Copyright 2007, Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT license.
+ *
+ * Author:
+ *		François Revol, [email protected].
+ */
+#ifndef _BIOS_H
+#define _BIOS_H
+
+/* 
+ * Atari BIOS calls
+ */
+
+#define BIOS_TRAP XXX
+
+// BIOSxxx...: x: param type {W|L}
+
+#define BIOS(nr) \
+({ uint32 ret; \
+asm volatile ( \
+"	move	#%0,-(sp)\n" \
+"	trap	#" #BIOS_TRAP "\n" \
+"	add.l	#2,sp" \
+:: "=r"(ret)); \
+ret; })
+
+#define BIOSW(nr, w0) \
+({ uint32 ret; \
+asm volatile ( \
+"	move.w	%1,-(sp)\n" \
+"	move	#" #nr ",-(sp)\n" \
+"	trap	#" #BIOS_TRAP "\n" \
+"	add.l	#2,sp" \
+:: "=r"(ret)); \
+ret; })
+
+#define Bconin(p0) (uint32)BIOSW(2, p0)
+//XXX nparams ?
+#define Kbshift(p0) (uint32)BIOSW(11, p0)
+
+#endif /* _BIOS_H */

src/system/boot/platform/atari_m68k/debug.c

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+/*
+ * Copyright 2004-2007, Axel Dörfler, [email protected].
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include "serial.h"
+#include "keyboard.h"
+
+#include <boot/platform.h>
+#include <boot/stdio.h>
+#include <stdarg.h>
+
+
+/*!	This works only after console_init() was called.
+*/
+void
+panic(const char *format, ...)
+{
+	va_list list;
+
+	platform_switch_to_text_mode();
+
+	puts("*** PANIC ***");
+
+	va_start(list, format);
+	vprintf(format, list);
+	va_end(list);
+
+	puts("\nPress key to reboot.");
+
+	clear_key_buffer();
+	wait_for_key();
+	platform_exit();
+}
+
+
+void
+dprintf(const char *format, ...)
+{
+	char buffer[512];
+	va_list list;
+	int length;
+
+	va_start(list, format);
+	length = vsnprintf(buffer, sizeof(buffer), format, list);
+	va_end(list);
+
+	serial_puts(buffer, length);
+
+	if (platform_boot_options() & BOOT_OPTION_DEBUG_OUTPUT)
+		fprintf(stderr, "%s", buffer);
+}
+

src/system/boot/platform/atari_m68k/gemdos.h

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+/*
+ * Copyright 2007, Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT license.
+ *
+ * Author:
+ *		François Revol, [email protected].
+ */
+#ifndef _GEMDOS_H
+#define _GEMDOS_H
+
+/* 
+ * Atari GEMDOS calls
+ */
+
+#define GEMDOS_TRAP 1
+
+// official names
+#define Cconin() GEMDOS(1)
+
+// check for names
+#define supexec() GEMDOS(0x20)
+#define terminate() GEMDOS(0)
+
+#endif /* _GEMDOS_H */

src/system/boot/platform/atari_m68k/keyboard.cpp

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+/*
+** Copyright 2004, Axel Dörfler, [email protected]. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
+
+
+#include "keyboard.h"
+#include "bios.h"
+
+#include <boot/platform.h>
+
+
+static uint16
+check_for_key(void)
+{
+//XXX: non blocking in ?
+#if 0
+	bios_regs regs;
+	regs.eax = 0x0100;
+	call_bios(0x16, &regs);
+
+	// the zero flag is set when there is no key stroke waiting for us
+	if (regs.flags & ZERO_FLAG)
+		return 0;
+
+	// remove the key from the buffer
+	regs.eax = 0;
+	call_bios(0x16, &regs);
+
+	return regs.eax & 0xffff;
+#endif
+	return 0;
+}
+
+
+extern "C" void
+clear_key_buffer(void)
+{
+	while (check_for_key() != 0)
+		;
+}
+
+
+extern "C" union key
+wait_for_key(void)
+{
+	union key key;
+	key.d0 = Bconin(2);
+
+	return key;
+}
+
+
+extern "C" uint32
+check_for_boot_keys(void)
+{
+	union key key;
+	uint32 options = 0;
+
+	while ((key.ax = check_for_key()) != 0) {
+		switch (key.code.ascii) {
+			case ' ':
+				options |= BOOT_OPTION_MENU;
+				break;
+			case 0x1b:	// escape
+				options |= BOOT_OPTION_DEBUG_OUTPUT;
+				break;
+			case 0:
+				// evaluate BIOS scan codes
+				// ...
+				break;
+		}
+	}
+
+	dprintf("options = %ld\n", options);
+	return options;
+}
+

src/system/boot/platform/atari_m68k/keyboard.h

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+#ifndef KEYBOARD_H
+#define KEYBOARD_H
+
+
+#include <SupportDefs.h>
+
+
+union key {
+	uint32 d0;
+	struct {
+		uint16 bios;	// scan code
+		uint16 ascii;
+	} code;
+};
+
+#define BIOS_KEY_UP 		0x48
+#define BIOS_KEY_DOWN		0x50
+#define BIOS_KEY_LEFT		0x4b
+#define BIOS_KEY_RIGHT		0x4d
+// XXX: FIXME
+#define BIOS_KEY_HOME		0x47
+#define BIOS_KEY_END		0x4f
+#define BIOS_KEY_PAGE_UP	0x49
+#define BIOS_KEY_PAGE_DOWN	0x51
+
+#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	/* KEYBOARD_H */

src/system/boot/platform/atari_m68k/menu.cpp

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+/*
+ * Copyright 2004-2007, Axel Dörfler, [email protected]. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include "smp.h"
+#include "video.h"
+
+#include <boot/menu.h>
+#include <boot/platform/generic/text_menu.h>
+#include <safemode.h>
+
+
+void
+platform_add_menus(Menu *menu)
+{
+	MenuItem *item;
+
+	switch (menu->Type()) {
+		case MAIN_MENU:
+			menu->AddItem(item = new(nothrow) MenuItem("Select fail-safe video mode", video_mode_menu()));
+			item->SetTarget(video_mode_hook);
+			break;
+		case SAFE_MODE_MENU:
+			menu->AddItem(item = new(nothrow) MenuItem("Use fail-safe video mode"));
+			item->SetType(MENU_ITEM_MARKABLE);
+			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");
+
+			smp_add_safemode_menus(menu);
+
+#if 0
+			menu->AddItem(item = new(nothrow) MenuItem("Don't call the BIOS"));
+			item->SetType(MENU_ITEM_MARKABLE);
+
+			menu->AddItem(item = new(nothrow) MenuItem("Disable APM"));
+			item->SetType(MENU_ITEM_MARKABLE);
+			item->SetData("disable_apm");
+			item->SetHelpText("This overrides the APM setting in the kernel settings file");
+
+			menu->AddItem(item = new(nothrow) MenuItem("Disable ACPI"));
+			item->SetType(MENU_ITEM_MARKABLE);
+			item->SetData(B_SAFEMODE_DISABLE_ACPI);
+			item->SetHelpText("This overrides the ACPI setting in the kernel settings file");
+#endif
+			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);
+}
+

src/system/boot/platform/atari_m68k/xbios.h

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+/*
+ * Copyright 2007, Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT license.
+ *
+ * Author:
+ *		François Revol, [email protected].
+ */
+#ifndef _XBIOS_H
+#define _XBIOS_H
+
+/* 
+ * Atari XBIOS calls
+ */
+
+#define BIOS_TRAP 14
+//#define GEMDOS_TRAP 1
+
+#endif /* _XBIOS_H */