-/* Memory ops header for CGEN-based simlators.
- Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Memory ops header for CGEN-based simulators.
+ Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
Contributed by Cygnus Solutions.
This file is part of the GNU Simulators.
#define MEMOPS_INLINE extern inline
#endif
+/* Integer memory read support.
+
+ There is no floating point support. In this context there are no
+ floating point modes, only floating point operations (whose arguments
+ and results are arrays of bits that we treat as integer modes). */
+
#if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
#define DECLARE_GETMEM(mode, size) \
MEMOPS_INLINE mode \
-XCONCAT2 (GETMEM,mode) (SIM_CPU *cpu, ADDR a) \
+XCONCAT2 (GETMEM,mode) (SIM_CPU *cpu, IADDR pc, ADDR a) \
{ \
PROFILE_COUNT_READ (cpu, a, XCONCAT2 (MODE_,mode)); \
/* Don't read anything into "unaligned" here. Bad name choice. */\
- return XCONCAT2 (sim_core_read_unaligned_,size) (cpu, NULL_CIA, sim_core_read_map, a); \
+ return XCONCAT2 (sim_core_read_unaligned_,size) (cpu, pc, read_map, a); \
}
#else
#define DECLARE_GETMEM(mode, size) \
-extern mode XCONCAT2 (GETMEM,mode) (SIM_CPU *, ADDR);
+extern mode XCONCAT2 (GETMEM,mode) (SIM_CPU *, IADDR, ADDR);
#endif
-DECLARE_GETMEM (QI, 1)
-DECLARE_GETMEM (UQI, 1)
-DECLARE_GETMEM (HI, 2)
-DECLARE_GETMEM (UHI, 2)
-DECLARE_GETMEM (SI, 4)
-DECLARE_GETMEM (USI, 4)
-DECLARE_GETMEM (DI, 8)
-DECLARE_GETMEM (UDI, 8)
+DECLARE_GETMEM (QI, 1) /* TAGS: GETMEMQI */
+DECLARE_GETMEM (UQI, 1) /* TAGS: GETMEMUQI */
+DECLARE_GETMEM (HI, 2) /* TAGS: GETMEMHI */
+DECLARE_GETMEM (UHI, 2) /* TAGS: GETMEMUHI */
+DECLARE_GETMEM (SI, 4) /* TAGS: GETMEMSI */
+DECLARE_GETMEM (USI, 4) /* TAGS: GETMEMUSI */
+DECLARE_GETMEM (DI, 8) /* TAGS: GETMEMDI */
+DECLARE_GETMEM (UDI, 8) /* TAGS: GETMEMUDI */
#undef DECLARE_GETMEM
+\f
+/* Integer memory write support. */
#if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
#define DECLARE_SETMEM(mode, size) \
MEMOPS_INLINE void \
-XCONCAT2 (SETMEM,mode) (SIM_CPU *cpu, ADDR a, mode val) \
+XCONCAT2 (SETMEM,mode) (SIM_CPU *cpu, IADDR pc, ADDR a, mode val) \
{ \
PROFILE_COUNT_WRITE (cpu, a, XCONCAT2 (MODE_,mode)); \
/* Don't read anything into "unaligned" here. Bad name choice. */ \
- XCONCAT2 (sim_core_write_unaligned_,size) (cpu, NULL_CIA, sim_core_write_map, a, val); \
+ XCONCAT2 (sim_core_write_unaligned_,size) (cpu, pc, write_map, a, val); \
}
#else
#define DECLARE_SETMEM(mode, size) \
-extern void XCONCAT2 (SETMEM,mode) (SIM_CPU *, ADDR, mode);
+extern void XCONCAT2 (SETMEM,mode) (SIM_CPU *, IADDR, ADDR, mode);
#endif
-DECLARE_SETMEM (QI, 1)
-DECLARE_SETMEM (UQI, 1)
-DECLARE_SETMEM (HI, 2)
-DECLARE_SETMEM (UHI, 2)
-DECLARE_SETMEM (SI, 4)
-DECLARE_SETMEM (USI, 4)
-DECLARE_SETMEM (DI, 8)
-DECLARE_SETMEM (UDI, 8)
+DECLARE_SETMEM (QI, 1) /* TAGS: SETMEMQI */
+DECLARE_SETMEM (UQI, 1) /* TAGS: SETMEMUQI */
+DECLARE_SETMEM (HI, 2) /* TAGS: SETMEMHI */
+DECLARE_SETMEM (UHI, 2) /* TAGS: SETMEMUHI */
+DECLARE_SETMEM (SI, 4) /* TAGS: SETMEMSI */
+DECLARE_SETMEM (USI, 4) /* TAGS: SETMEMUSI */
+DECLARE_SETMEM (DI, 8) /* TAGS: SETMEMDI */
+DECLARE_SETMEM (UDI, 8) /* TAGS: SETMEMUDI */
#undef DECLARE_SETMEM
+\f
+/* Instruction read support. */
#if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
#define DECLARE_GETIMEM(mode, size) \
MEMOPS_INLINE mode \
-XCONCAT2 (GETIMEM,mode) (SIM_CPU *cpu, ADDR a) \
+XCONCAT2 (GETIMEM,mode) (SIM_CPU *cpu, IADDR a) \
{ \
/*PROFILE_COUNT_READ (cpu, a, XCONCAT2 (MODE_,mode));*/ \
/* Don't read anything into "unaligned" here. Bad name choice. */\
- return XCONCAT2 (sim_core_read_unaligned_,size) (cpu, NULL_CIA, sim_core_execute_map, a); \
+ return XCONCAT2 (sim_core_read_unaligned_,size) (cpu, a, exec_map, a); \
}
#else
#define DECLARE_GETIMEM(mode, size) \
extern mode XCONCAT2 (GETIMEM,mode) (SIM_CPU *, ADDR);
#endif
-DECLARE_GETIMEM (UQI, 1)
-DECLARE_GETIMEM (UHI, 2)
-DECLARE_GETIMEM (USI, 4)
-DECLARE_GETIMEM (UDI, 8)
+DECLARE_GETIMEM (UQI, 1) /* TAGS: GETIMEMUQI */
+DECLARE_GETIMEM (UHI, 2) /* TAGS: GETIMEMUHI */
+DECLARE_GETIMEM (USI, 4) /* TAGS: GETIMEMUSI */
+DECLARE_GETIMEM (UDI, 8) /* TAGS: GETIMEMUDI */
#undef DECLARE_GETIMEM
+\f
+/* Floating point support.
+
+ ??? One can specify that the integer memory ops should be used instead,
+ and treat fp values as just a series of bits. One might even bubble
+ that notion up into the description language. However, that departs from
+ gcc. One could cross over from gcc's notion and a "series of bits" notion
+ between there and here, and thus still not require these routines. However,
+ that's a complication of its own (not that having these fns isn't).
+ But for now, we do things this way. */
+
+#if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
+#define DECLARE_GETMEM(mode, size) \
+MEMOPS_INLINE mode \
+XCONCAT2 (GETMEM,mode) (SIM_CPU *cpu, IADDR pc, ADDR a) \
+{ \
+ PROFILE_COUNT_READ (cpu, a, XCONCAT2 (MODE_,mode)); \
+ /* Don't read anything into "unaligned" here. Bad name choice. */\
+ return XCONCAT2 (sim_core_read_unaligned_,size) (cpu, pc, read_map, a); \
+}
+#else
+#define DECLARE_GETMEM(mode, size) \
+extern mode XCONCAT2 (GETMEM,mode) (SIM_CPU *, IADDR, ADDR);
+#endif
+DECLARE_GETMEM (SF, 4) /* TAGS: GETMEMSF */
+DECLARE_GETMEM (DF, 8) /* TAGS: GETMEMDF */
+
+#undef DECLARE_GETMEM
+
+#if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
+#define DECLARE_SETMEM(mode, size) \
+MEMOPS_INLINE void \
+XCONCAT2 (SETMEM,mode) (SIM_CPU *cpu, IADDR pc, ADDR a, mode val) \
+{ \
+ PROFILE_COUNT_WRITE (cpu, a, XCONCAT2 (MODE_,mode)); \
+ /* Don't read anything into "unaligned" here. Bad name choice. */ \
+ XCONCAT2 (sim_core_write_unaligned_,size) (cpu, pc, write_map, a, val); \
+}
+#else
+#define DECLARE_SETMEM(mode, size) \
+extern void XCONCAT2 (SETMEM,mode) (SIM_CPU *, IADDR, ADDR, mode);
+#endif
+
+DECLARE_SETMEM (SF, 4) /* TAGS: SETMEMSF */
+DECLARE_SETMEM (DF, 8) /* TAGS: SETMEMDF */
+
+#undef DECLARE_SETMEM
+\f
/* GETT<mode>: translate target value at P to host value.
- ??? How inefficient is the current implementation? */
+ This needn't be very efficient (i.e. can call memcpy) as this is
+ only used when interfacing with the outside world (e.g. gdb). */
#if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
#define DECLARE_GETT(mode, size) \
extern mode XCONCAT2 (GETT,mode) (unsigned char *);
#endif
-DECLARE_GETT (QI, 1)
-DECLARE_GETT (UQI, 1)
-DECLARE_GETT (HI, 2)
-DECLARE_GETT (UHI, 2)
-DECLARE_GETT (SI, 4)
-DECLARE_GETT (USI, 4)
-DECLARE_GETT (DI, 8)
-DECLARE_GETT (UDI, 8)
+DECLARE_GETT (QI, 1) /* TAGS: GETTQI */
+DECLARE_GETT (UQI, 1) /* TAGS: GETTUQI */
+DECLARE_GETT (HI, 2) /* TAGS: GETTHI */
+DECLARE_GETT (UHI, 2) /* TAGS: GETTUHI */
+DECLARE_GETT (SI, 4) /* TAGS: GETTSI */
+DECLARE_GETT (USI, 4) /* TAGS: GETTUSI */
+DECLARE_GETT (DI, 8) /* TAGS: GETTDI */
+DECLARE_GETT (UDI, 8) /* TAGS: GETTUDI */
+
+#if 0 /* ??? defered until necessary */
+DECLARE_GETT (SF, 4) /* TAGS: GETTSF */
+DECLARE_GETT (DF, 8) /* TAGS: GETTDF */
+DECLARE_GETT (TF, 16) /* TAGS: GETTTF */
+#endif
#undef DECLARE_GETT
-
+\f
/* SETT<mode>: translate host value to target value and store at P.
- ??? How inefficient is the current implementation? */
+ This needn't be very efficient (i.e. can call memcpy) as this is
+ only used when interfacing with the outside world (e.g. gdb). */
#if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
#define DECLARE_SETT(mode, size) \
-MEMOPS_INLINE mode \
+MEMOPS_INLINE void \
XCONCAT2 (SETT,mode) (unsigned char *buf, mode val) \
{ \
mode tmp; \
extern mode XCONCAT2 (GETT,mode) (unsigned char *, mode);
#endif
-DECLARE_SETT (QI, 1)
-DECLARE_SETT (UQI, 1)
-DECLARE_SETT (HI, 2)
-DECLARE_SETT (UHI, 2)
-DECLARE_SETT (SI, 4)
-DECLARE_SETT (USI, 4)
-DECLARE_SETT (DI, 8)
-DECLARE_SETT (UDI, 8)
+DECLARE_SETT (QI, 1) /* TAGS: SETTQI */
+DECLARE_SETT (UQI, 1) /* TAGS: SETTUQI */
+DECLARE_SETT (HI, 2) /* TAGS: SETTHI */
+DECLARE_SETT (UHI, 2) /* TAGS: SETTUHI */
+DECLARE_SETT (SI, 4) /* TAGS: SETTSI */
+DECLARE_SETT (USI, 4) /* TAGS: SETTUSI */
+DECLARE_SETT (DI, 8) /* TAGS: SETTDI */
+DECLARE_SETT (UDI, 8) /* TAGS: SETTUDI */
+
+#if 0 /* ??? defered until necessary */
+DECLARE_SETT (SF, 4) /* TAGS: SETTSF */
+DECLARE_SETT (DF, 8) /* TAGS: SETTDF */
+DECLARE_SETT (TF, 16) /* TAGS: SETTTF */
+#endif
#undef DECLARE_SETT
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