| 1 |
/* |
| 2 |
* UAE - The Un*x Amiga Emulator |
| 3 |
* |
| 4 |
* MC68000 emulation |
| 5 |
* |
| 6 |
* Copyright 1995 Bernd Schmidt |
| 7 |
* |
| 8 |
* This program is free software; you can redistribute it and/or modify |
| 9 |
* it under the terms of the GNU General Public License as published by |
| 10 |
* the Free Software Foundation; either version 2 of the License, or |
| 11 |
* (at your option) any later version. |
| 12 |
* |
| 13 |
* This program is distributed in the hope that it will be useful, |
| 14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 |
* GNU General Public License for more details. |
| 17 |
* |
| 18 |
* You should have received a copy of the GNU General Public License |
| 19 |
* along with this program; if not, write to the Free Software |
| 20 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 |
*/ |
| 22 |
|
| 23 |
#ifndef SPCFLAGS_H |
| 24 |
#define SPCFLAGS_H |
| 25 |
|
| 26 |
typedef uae_u32 spcflags_t; |
| 27 |
|
| 28 |
enum { |
| 29 |
SPCFLAG_STOP = 0x01, |
| 30 |
SPCFLAG_INT = 0x02, |
| 31 |
SPCFLAG_BRK = 0x04, |
| 32 |
SPCFLAG_TRACE = 0x08, |
| 33 |
SPCFLAG_DOTRACE = 0x10, |
| 34 |
SPCFLAG_DOINT = 0x20, |
| 35 |
#if USE_JIT |
| 36 |
SPCFLAG_JIT_END_COMPILE = 0x40, |
| 37 |
SPCFLAG_JIT_EXEC_RETURN = 0x80, |
| 38 |
#else |
| 39 |
SPCFLAG_JIT_END_COMPILE = 0, |
| 40 |
SPCFLAG_JIT_EXEC_RETURN = 0, |
| 41 |
#endif |
| 42 |
|
| 43 |
SPCFLAG_ALL = SPCFLAG_STOP |
| 44 |
| SPCFLAG_INT |
| 45 |
| SPCFLAG_BRK |
| 46 |
| SPCFLAG_TRACE |
| 47 |
| SPCFLAG_DOTRACE |
| 48 |
| SPCFLAG_DOINT |
| 49 |
| SPCFLAG_JIT_END_COMPILE |
| 50 |
| SPCFLAG_JIT_EXEC_RETURN |
| 51 |
, |
| 52 |
|
| 53 |
SPCFLAG_ALL_BUT_EXEC_RETURN = SPCFLAG_ALL & ~SPCFLAG_JIT_EXEC_RETURN |
| 54 |
}; |
| 55 |
|
| 56 |
#define SPCFLAGS_TEST(m) \ |
| 57 |
((regs.spcflags & (m)) != 0) |
| 58 |
|
| 59 |
/* Macro only used in m68k_reset() */ |
| 60 |
#define SPCFLAGS_INIT(m) do { \ |
| 61 |
regs.spcflags = (m); \ |
| 62 |
} while (0) |
| 63 |
|
| 64 |
#if !(ENABLE_EXCLUSIVE_SPCFLAGS) |
| 65 |
|
| 66 |
#define SPCFLAGS_SET(m) do { \ |
| 67 |
regs.spcflags |= (m); \ |
| 68 |
} while (0) |
| 69 |
|
| 70 |
#define SPCFLAGS_CLEAR(m) do { \ |
| 71 |
regs.spcflags &= ~(m); \ |
| 72 |
} while (0) |
| 73 |
|
| 74 |
#elif (defined(__i386__) || defined(__x86_64__)) && defined(X86_ASSEMBLY) |
| 75 |
|
| 76 |
#define HAVE_HARDWARE_LOCKS |
| 77 |
|
| 78 |
#define SPCFLAGS_SET(m) do { \ |
| 79 |
__asm__ __volatile__("lock\n\torl %1,%0" : "=m" (regs.spcflags) : "i" ((m))); \ |
| 80 |
} while (0) |
| 81 |
|
| 82 |
#define SPCFLAGS_CLEAR(m) do { \ |
| 83 |
__asm__ __volatile__("lock\n\tandl %1,%0" : "=m" (regs.spcflags) : "i" (~(m))); \ |
| 84 |
} while (0) |
| 85 |
|
| 86 |
#else |
| 87 |
|
| 88 |
#undef HAVE_HARDWARE_LOCKS |
| 89 |
|
| 90 |
#include "main.h" |
| 91 |
extern B2_mutex *spcflags_lock; |
| 92 |
|
| 93 |
#define SPCFLAGS_SET(m) do { \ |
| 94 |
B2_lock_mutex(spcflags_lock); \ |
| 95 |
regs.spcflags |= (m); \ |
| 96 |
B2_unlock_mutex(spcflags_lock); \ |
| 97 |
} while (0) |
| 98 |
|
| 99 |
#define SPCFLAGS_CLEAR(m) do { \ |
| 100 |
B2_lock_mutex(spcflags_lock); \ |
| 101 |
regs.spcflags &= ~(m); \ |
| 102 |
B2_unlock_mutex(spcflags_lock); \ |
| 103 |
} while (0) |
| 104 |
|
| 105 |
#endif |
| 106 |
|
| 107 |
#endif /* SPCFLAGS_H */ |
