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/* |
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* UAE - The Un*x Amiga Emulator |
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* |
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* MC68000 emulation |
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* |
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* Copyright 1995 Bernd Schmidt |
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*/ |
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/* |
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* UAE - The Un*x Amiga Emulator |
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* |
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* MC68000 emulation |
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* |
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* Copyright 1995 Bernd Schmidt |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#ifndef SPCFLAGS_H |
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#define SPCFLAGS_H |
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SPCFLAG_TRACE = 0x08, |
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SPCFLAG_DOTRACE = 0x10, |
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SPCFLAG_DOINT = 0x20, |
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#if USE_JIT |
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SPCFLAG_JIT_END_COMPILE = 0x40, |
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SPCFLAG_JIT_EXEC_RETURN = 0x80, |
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#else |
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SPCFLAG_JIT_END_COMPILE = 0, |
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SPCFLAG_JIT_EXEC_RETURN = 0, |
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#endif |
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SPCFLAG_ALL = SPCFLAG_STOP |
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| SPCFLAG_INT |
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| SPCFLAG_BRK |
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| SPCFLAG_DOTRACE |
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| SPCFLAG_DOINT |
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| SPCFLAG_JIT_END_COMPILE |
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| SPCFLAG_JIT_EXEC_RETURN, |
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| SPCFLAG_JIT_EXEC_RETURN |
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, |
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SPCFLAG_ALL_BUT_EXEC_RETURN = SPCFLAG_ALL & ~SPCFLAG_JIT_EXEC_RETURN |
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}; |
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regs.spcflags &= ~(m); \ |
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} while (0) |
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#elif defined(__i386__) && defined(X86_ASSEMBLY) |
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#elif (defined(__i386__) || defined(__x86_64__)) && defined(X86_ASSEMBLY) |
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#define HAVE_HARDWARE_LOCKS |
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__asm__ __volatile__("lock\n\tandl %1,%0" : "=m" (regs.spcflags) : "i" (~(m))); \ |
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} while (0) |
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#elif defined(HAVE_PTHREADS) |
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#else |
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#undef HAVE_HARDWARE_LOCKS |
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#include <pthread.h> |
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extern pthread_mutex_t spcflags_lock; |
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#include "main.h" |
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extern B2_mutex *spcflags_lock; |
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#define SPCFLAGS_SET(m) do { \ |
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pthread_mutex_lock(&spcflags_lock); \ |
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B2_lock_mutex(spcflags_lock); \ |
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regs.spcflags |= (m); \ |
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pthread_mutex_unlock(&spcflags_lock); \ |
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B2_unlock_mutex(spcflags_lock); \ |
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} while (0) |
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#define SPCFLAGS_CLEAR(m) do { \ |
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pthread_mutex_lock(&spcflags_lock); \ |
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B2_lock_mutex(spcflags_lock); \ |
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regs.spcflags &= ~(m); \ |
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pthread_mutex_unlock(&spcflags_lock); \ |
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B2_unlock_mutex(spcflags_lock); \ |
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} while (0) |
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|
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#else |
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#error "Can't handle spcflags atomically!" |
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#endif |
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#endif /* SPCFLAGS_H */ |
