rvtr/twl_wrapsdk
1
Fork 0
mirror of https://github.com/rvtr/twl_wrapsdk.git synced 2025-10-31 06:11:10 -04:00
Code Issues Actions Packages Projects Releases Wiki Activity
a8f3113969
twl_wrapsdk/build/libraries/os/common/os_emulator.c
nakasima a8f3113969 add HW_MAIN_MEM_HI and move HW_MAIN_MEM_SYSTEM. 
fix interrupt func.

git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/twl_wrapsdk/trunk@10 4ee2a332-4b2b-5046-8439-1ba90f034370
2007-04-04 11:58:10 +00:00

274 lines
8.1 KiB
C
Raw Blame History

/*---------------------------------------------------------------------------*
Project: NitroSDK - OS
File: os_emulator.c
Copyright 2003-2006 Nintendo. All rights reserved.
These coded instructions, statements, and computer programs contain
proprietary information of Nintendo of America Inc. and/or Nintendo
Company Ltd., and are protected by Federal copyright law. They may
not be disclosed to third parties or copied or duplicated in any form,
in whole or in part, without the prior written consent of Nintendo.
$Log: os_emulator.c,v $
Revision 1.22 2006/04/25 23:58:19 okubata_ryoma
返り値がリファレンスの記述と異なる値を返すという不具合修正
Revision 1.21 2006/01/18 02:11:30 kitase_hirotake
do-indent
Revision 1.20 2005/02/28 05:26:28 yosizaki
do-indent.
Revision 1.19 2005/02/18 08:51:35 yasu
著作年度変更
Revision 1.18 2005/02/18 06:20:18 yasu
Signed/Unsigned 変換警告抑制
Revision 1.17 2004/09/22 00:25:38 yada
OS_GetConsole() Type returns constant value
if SDK_SMALL_BUILD and SDK_FINALROM are defined
Revision 1.16 2004/08/17 04:10:32 yada
detect debugger correctly
Revision 1.15 2004/08/16 08:15:54 yada
HW_CHECK_DEBUGGER_BUF definition is moved to mmap_shared.h header
Revision 1.14 2004/08/11 13:18:58 yada
change method to detect platform
Revision 1.13 2004/07/23 01:03:03 yada
OS_UnLockCartridge -> OS_UnlockCartridge
Revision 1.12 2004/07/22 08:22:41 yada
fix for changing some lockID's type u32->u16
Revision 1.11 2004/06/08 10:43:26 yada
add information about main memory size
Revision 1.10 2004/06/08 04:34:45 yada
only fix comment
Revision 1.9 2004/06/07 04:29:39 yada
add OS_GetConsoleType()
Revision 1.8 2004/02/13 08:39:30 yasu
OS_IsRunOnEmulator returns by FALSE if ARM7
Revision 1.7 2004/02/13 02:26:56 yada
ARM9とAMR7 でインクルードファイル場合わけ
Revision 1.6 2004/02/12 11:08:30 yada
ARM9/ARM7 振り分け作業
Revision 1.5 2004/02/06 09:29:43 yasu
OS_IsRunEmulator の認識処理を一度だけにした．
Revision 1.4 2004/02/05 07:09:02 yasu
change SDK prefix iris -> nitro
Revision 1.3 2003/12/25 07:31:26 yada
型ルール統一による変更
Revision 1.2 2003/11/30 04:20:26 yasu
OS_EnableInterrupt/DisableInterrupt の戻り値の型の変更
Revision 1.1 2003/11/29 01:25:46 yada
ファイル名称変更
Revision 1.1 2003/11/25 11:17:37 yasu
エミュレータの自動判別追加
$NoKeywords: $
*---------------------------------------------------------------------------*/
#include <nitro.h>
//---- current processor lock flag
#ifdef SDK_ARM9
#define OSi_CURPROC_LOCKED_FLAG OS_MAINP_LOCKED_FLAG
#else
#define OSi_CURPROC_LOCKED_FLAG OS_SUBP_LOCKED_FLAG
#endif
static u32 OSi_ConsoleTypeCache = OSi_CONSOLE_NOT_DETECT;
u32 OSi_GetDeviceType(void);
BOOL OSi_IsRunOnDebugger(void);
//================================================================================
/*---------------------------------------------------------------------------*
Name: OS_IsRunOnEmulator
Description: Detect emulator
Arguments: None
Returns: non 0 if emulator
*---------------------------------------------------------------------------*/
BOOL OS_IsRunOnEmulator(void)
{
#ifdef SDK_ARM9
#ifndef SDK_FINALROM
static int onEmu = -1; // Not so good coding style...
u32 val;
OSIntrMode intr;
if (onEmu == -1)
{
intr = OS_DisableInterrupts();
{
// PING magic number to ensata
(*(REGType32v *)REG_CLIPMTX_RESULT_0_ADDR) = 0x2468ace0;
// PONG magic number from ensata
val = *(vu16 *)REG_VCOUNT_ADDR & 0x1ffU;
if (val == 270)
{
// Recognized as ensata, send back ACK signal to ensata
*(vu32 *)0x4fff010 = 0x13579bdf; // ACK Signal 1
*(vu32 *)0x4fff010 = 0xfdb97531; // ACK Signal 2
onEmu = TRUE;
}
else
{
// Unidentified ...
onEmu = FALSE;
}
}
(void)OS_RestoreInterrupts(intr);
}
return (BOOL)onEmu;
#else
return FALSE;
#endif
#else // SDK_ARM7
return FALSE; // always FALSE if ARM7
#endif
}
/*---------------------------------------------------------------------------*
Name: OS_GetConsoleType
Description: Detect console type
Arguments: None
Returns:
*---------------------------------------------------------------------------*/
u32 OS_GetConsoleType(void)
{
#if defined( SDK_FINALROM ) || defined( SDK_SMALL_BUILD )
OSi_ConsoleTypeCache = OS_CONSOLE_NITRO | OS_CONSOLE_DEV_CARD | OS_CONSOLE_SIZE_4MB;
#else // if defined( SDK_FINALROM ) && defined( SDK_SMALL_BUILD )
//---- skip if detect already
if (OSi_ConsoleTypeCache == OSi_CONSOLE_NOT_DETECT)
{
//---- whether device is cartridge?
u32 type = OSi_GetDeviceType();
//---- running on software emulator Ensata?
if (OS_IsRunOnEmulator())
{
type |= OS_CONSOLE_ENSATA;
}
//---- running on debugger?
else if (OSi_IsRunOnDebugger())
{
type |= OS_CONSOLE_ISDEBUGGER;
}
//---- is card device cartridge? so that running on IS-Emulator
else if (type & OS_CONSOLE_DEV_CARTRIDGE)
{
type |= OS_CONSOLE_ISEMULATOR;
}
//---- else, maybe retail NITRO.
else
{
type |= OS_CONSOLE_NITRO;
}
//---- main memory size (maybe ARM7 has already detected)
type |= *(u16 *)HW_MMEMCHECKER_SUB;
OSi_ConsoleTypeCache = type;
}
#endif // if defined( SDK_FINALROM ) && defined( SDK_SMALL_BUILD )
return OSi_ConsoleTypeCache;
}
/*---------------------------------------------------------------------------*
Name: OSi_GetDeviceType
Description: get card device type
(subroutine of OS_GetConsoleType)
Arguments: None
Returns: decided by bus card data loaded
OS_CONSOLE_DEV_CARTRIDGE : via cartridge bus
OS_CONSOLE_DEV_CARD : via card bus
*---------------------------------------------------------------------------*/
u32 OSi_GetDeviceType(void)
{
u32 result = OS_CONSOLE_DEV_CARD;
#if 0
BOOL checked = FALSE;
u16 lockId = (u16)OS_GetLockID(); // treat as success absolutely
do
{
s32 ret = OS_LOCK_ERROR;
OSIntrMode enabled = OS_DisableInterrupts();
//---- cartridge already locked or lock now success
if ((OS_ReadOwnerOfLockCartridge() & OSi_CURPROC_LOCKED_FLAG)
|| ((ret = (s32)OS_TryLockCartridge(lockId)) == OS_LOCK_SUCCESS))
{
//---- check cartridge header
result =
(u32)(((((vu32 *)HW_CTRDG_ROM)[0] == (u32)'TNIN') &&
(((vu32 *)HW_CTRDG_ROM)[1] == (u32)'ODNE')) ?
OS_CONSOLE_DEV_CARTRIDGE : OS_CONSOLE_DEV_CARD);
//---- unlock cartridge
if (ret == OS_LOCK_SUCCESS)
{
(void)OS_UnlockCartridge(lockId);
checked = TRUE;
}
}
(void)OS_RestoreInterrupts(enabled);
}
while (!checked);
#endif
return result;
}
/*---------------------------------------------------------------------------*
Name: OSi_IsRunOnDebugger
Description: Detect Debugger
(subroutine of OS_GetConsoleType)
Arguments: None
Returns: TRUE : debugger
FALSE : not debugger
*---------------------------------------------------------------------------*/
BOOL OSi_IsRunOnDebugger(void)
{
u16 *checkAddress = (u16 *)((*(u16 *)HW_CHECK_DEBUGGER_SW ==
0) ? HW_CHECK_DEBUGGER_BUF1 : HW_CHECK_DEBUGGER_BUF2);
return (*checkAddress == 1) ? TRUE : FALSE;
}
Reference in New Issue View Git Blame Copy Permalink