mirror of
https://github.com/kanjitalk755/macemu.git
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94 lines
1.9 KiB
C
94 lines
1.9 KiB
C
/*
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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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#ifndef SPCFLAGS_H
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#define SPCFLAGS_H
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typedef uae_u32 spcflags_t;
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enum {
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SPCFLAG_STOP = 0x01,
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SPCFLAG_INT = 0x02,
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SPCFLAG_BRK = 0x04,
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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_TRACE
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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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,
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SPCFLAG_ALL_BUT_EXEC_RETURN = SPCFLAG_ALL & ~SPCFLAG_JIT_EXEC_RETURN
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};
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#define SPCFLAGS_TEST(m) \
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((regs.spcflags & (m)) != 0)
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/* Macro only used in m68k_reset() */
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#define SPCFLAGS_INIT(m) do { \
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regs.spcflags = (m); \
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} while (0)
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#if !(ENABLE_EXCLUSIVE_SPCFLAGS)
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#define SPCFLAGS_SET(m) do { \
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regs.spcflags |= (m); \
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} while (0)
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#define SPCFLAGS_CLEAR(m) do { \
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regs.spcflags &= ~(m); \
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} while (0)
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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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#define SPCFLAGS_SET(m) do { \
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__asm__ __volatile__("lock\n\torl %1,%0" : "=m" (regs.spcflags) : "i" ((m))); \
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} while (0)
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#define SPCFLAGS_CLEAR(m) do { \
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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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#else
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#undef HAVE_HARDWARE_LOCKS
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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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B2_lock_mutex(spcflags_lock); \
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regs.spcflags |= (m); \
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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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B2_lock_mutex(spcflags_lock); \
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regs.spcflags &= ~(m); \
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B2_unlock_mutex(spcflags_lock); \
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} while (0)
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#endif
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#endif /* SPCFLAGS_H */
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