|  | /* Memory ops header for CGEN-based simulators. | 
|  | Copyright (C) 1996-2022 Free Software Foundation, Inc. | 
|  | Contributed by Cygnus Solutions. | 
|  |  | 
|  | This file is part of the GNU Simulators. | 
|  |  | 
|  | This program is free software; you can redistribute it and/or modify | 
|  | it under the terms of the GNU General Public License as published by | 
|  | the Free Software Foundation; either version 3 of the License, or | 
|  | (at your option) any later version. | 
|  |  | 
|  | This program is distributed in the hope that it will be useful, | 
|  | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | GNU General Public License for more details. | 
|  |  | 
|  | You should have received a copy of the GNU General Public License | 
|  | along with this program.  If not, see <http://www.gnu.org/licenses/>.  */ | 
|  |  | 
|  | #ifndef CGEN_MEM_H | 
|  | #define CGEN_MEM_H | 
|  |  | 
|  | /* TODO: This should get moved into sim-inline.h.  */ | 
|  | #ifdef MEMOPS_DEFINE_INLINE | 
|  | #define MEMOPS_INLINE | 
|  | #else | 
|  | #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).  */ | 
|  |  | 
|  | #define DECLARE_GETMEM_EXTERN(mode, size) \ | 
|  | extern mode XCONCAT2 (GETMEM,mode) (SIM_CPU *, IADDR, ADDR); | 
|  |  | 
|  | #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE) | 
|  | #define DECLARE_GETMEM(mode, size) \ | 
|  | DECLARE_GETMEM_EXTERN (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) DECLARE_GETMEM_EXTERN (mode, size) | 
|  | #endif | 
|  |  | 
|  | 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 | 
|  | #undef DECLARE_GETMEM_EXTERN | 
|  |  | 
|  | /* Integer memory write support.  */ | 
|  |  | 
|  | #define DECLARE_SETMEM_EXTERN(mode, size) \ | 
|  | extern void XCONCAT2 (SETMEM,mode) (SIM_CPU *, IADDR, ADDR, mode); | 
|  |  | 
|  | #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE) | 
|  | #define DECLARE_SETMEM(mode, size) \ | 
|  | DECLARE_SETMEM_EXTERN (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) DECLARE_SETMEM_EXTERN (mode, size) | 
|  | #endif | 
|  |  | 
|  | 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 | 
|  | #undef DECLARE_SETMEM_EXTERN | 
|  |  | 
|  | /* Instruction read support.  */ | 
|  |  | 
|  | #define DECLARE_GETIMEM_EXTERN(mode, size) \ | 
|  | extern mode XCONCAT2 (GETIMEM,mode) (SIM_CPU *, ADDR); | 
|  |  | 
|  | #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE) | 
|  | #define DECLARE_GETIMEM(mode, size) \ | 
|  | DECLARE_GETIMEM_EXTERN (mode, size) \ | 
|  | MEMOPS_INLINE mode \ | 
|  | 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, a, exec_map, a); \ | 
|  | } | 
|  | #else | 
|  | #define DECLARE_GETIMEM(mode, size) DECLARE_GETIMEM_EXTERN (mode, size) | 
|  | #endif | 
|  |  | 
|  | 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 | 
|  | #undef DECLARE_GETIMEM_EXTERN | 
|  |  | 
|  | /* 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.  */ | 
|  |  | 
|  | #define DECLARE_GETMEM_EXTERN(mode, size) \ | 
|  | extern mode XCONCAT2 (GETMEM,mode) (SIM_CPU *, IADDR, ADDR); | 
|  |  | 
|  | #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE) | 
|  | #define DECLARE_GETMEM(mode, size) \ | 
|  | DECLARE_GETMEM_EXTERN (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) DECLARE_GETMEM_EXTERN (mode, size) | 
|  | #endif | 
|  |  | 
|  | DECLARE_GETMEM (SF, 4) /* TAGS: GETMEMSF */ | 
|  | DECLARE_GETMEM (DF, 8) /* TAGS: GETMEMDF */ | 
|  |  | 
|  | #undef DECLARE_GETMEM | 
|  | #undef DECLARE_GETMEM_EXTERN | 
|  |  | 
|  | #define DECLARE_SETMEM_EXTERN(mode, size) \ | 
|  | extern void XCONCAT2 (SETMEM,mode) (SIM_CPU *, IADDR, ADDR, mode); | 
|  |  | 
|  | #if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE) | 
|  | #define DECLARE_SETMEM(mode, size) \ | 
|  | DECLARE_SETMEM_EXTERN (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) DECLARE_SETMEM_EXTERN (mode, size | 
|  | #endif | 
|  |  | 
|  | DECLARE_SETMEM (SF, 4) /* TAGS: SETMEMSF */ | 
|  | DECLARE_SETMEM (DF, 8) /* TAGS: SETMEMDF */ | 
|  |  | 
|  | #undef DECLARE_SETMEM | 
|  | #undef DECLARE_SETMEM_EXTERN | 
|  |  | 
|  | /* GETT<mode>: translate target value at P to host value. | 
|  | 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).  */ | 
|  |  | 
|  | #define DECLARE_GETT_EXTERN(mode, size) \ | 
|  | extern mode XCONCAT2 (GETT,mode) (unsigned char *); | 
|  |  | 
|  | #if defined (MEMOPS_DEFINE_INLINE) | 
|  | #define DECLARE_GETT(mode, size) \ | 
|  | DECLARE_GETT_EXTERN (mode, size) \ | 
|  | mode \ | 
|  | XCONCAT2 (GETT,mode) (unsigned char *p) \ | 
|  | { \ | 
|  | mode tmp; \ | 
|  | memcpy (&tmp, p, sizeof (mode)); \ | 
|  | return XCONCAT2 (T2H_,size) (tmp); \ | 
|  | } | 
|  | #else | 
|  | #define DECLARE_GETT(mode, size) DECLARE_GETT_EXTERN (mode, size) | 
|  | #endif | 
|  |  | 
|  | 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 | 
|  | #undef DECLARE_GETT_EXTERN | 
|  |  | 
|  | /* SETT<mode>: translate host value to target value and store at P. | 
|  | 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).  */ | 
|  |  | 
|  | #define DECLARE_SETT_EXTERN(mode, size) \ | 
|  | extern void XCONCAT2 (SETT,mode) (unsigned char *, mode); | 
|  |  | 
|  | #if defined (MEMOPS_DEFINE_INLINE) | 
|  | #define DECLARE_SETT(mode, size) \ | 
|  | DECLARE_SETT_EXTERN (mode, size) \ | 
|  | void \ | 
|  | XCONCAT2 (SETT,mode) (unsigned char *buf, mode val) \ | 
|  | { \ | 
|  | mode tmp; \ | 
|  | tmp = XCONCAT2 (H2T_,size) (val); \ | 
|  | memcpy (buf, &tmp, sizeof (mode)); \ | 
|  | } | 
|  | #else | 
|  | #define DECLARE_SETT(mode, size) DECLARE_SETT_EXTERN (mode, size) | 
|  | #endif | 
|  |  | 
|  | 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 | 
|  | #undef DECLARE_SETT_EXTERN | 
|  |  | 
|  | #endif /* CGEN_MEM_H */ |