luke
/
iverilog
mirror of https://github.com/steveicarus/iverilog.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
iverilog/vvp/codes.h

212 lines
7.2 KiB
C
Raw Blame History

#ifndef __codes_H
#define __codes_H
/*
* Copyright (c) 2001 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* General Public License as published by the Free Software
* Foundation; either version 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT)
#ident "$Id: codes.h,v 1.34 2001/08/26 22:59:32 steve Exp $"
#endif
# include "pointers.h"
# include "memory.h"
# include "vthread.h"
typedef struct vvp_code_s *vvp_code_t;
typedef bool (*vvp_code_fun)(vthread_t thr, vvp_code_t code);
/*
* These functions are implementations of executable op-codes. The
* implementation lives in the vthread.cc file so that they have
* access to the thread context.
*/
extern bool of_ADD(vthread_t thr, vvp_code_t code);
extern bool of_AND(vthread_t thr, vvp_code_t code);
extern bool of_ANDR(vthread_t thr, vvp_code_t code);
extern bool of_ASSIGN(vthread_t thr, vvp_code_t code);
extern bool of_ASSIGN_MEM(vthread_t thr, vvp_code_t code);
extern bool of_ASSIGN_X0(vthread_t thr, vvp_code_t code);
extern bool of_BREAKPOINT(vthread_t thr, vvp_code_t code);
extern bool of_CMPS(vthread_t thr, vvp_code_t code);
extern bool of_CMPU(vthread_t thr, vvp_code_t code);
extern bool of_CMPX(vthread_t thr, vvp_code_t code);
extern bool of_CMPZ(vthread_t thr, vvp_code_t code);
extern bool of_DELAY(vthread_t thr, vvp_code_t code);
extern bool of_DELAYX(vthread_t thr, vvp_code_t code);
extern bool of_DISABLE(vthread_t thr, vvp_code_t code);
extern bool of_END(vthread_t thr, vvp_code_t code);
extern bool of_FORK(vthread_t thr, vvp_code_t code);
extern bool of_INV(vthread_t thr, vvp_code_t code);
extern bool of_IX_ADD(vthread_t thr, vvp_code_t code);
extern bool of_IX_GET(vthread_t thr, vvp_code_t code);
extern bool of_IX_LOAD(vthread_t thr, vvp_code_t code);
extern bool of_IX_MUL(vthread_t thr, vvp_code_t code);
extern bool of_IX_SUB(vthread_t thr, vvp_code_t code);
extern bool of_JMP(vthread_t thr, vvp_code_t code);
extern bool of_JMP0(vthread_t thr, vvp_code_t code);
extern bool of_JMP0XZ(vthread_t thr, vvp_code_t code);
extern bool of_JMP1(vthread_t thr, vvp_code_t code);
extern bool of_JOIN(vthread_t thr, vvp_code_t code);
extern bool of_LOAD(vthread_t thr, vvp_code_t code);
extern bool of_LOAD_MEM(vthread_t thr, vvp_code_t code);
extern bool of_LOAD_X(vthread_t thr, vvp_code_t code);
extern bool of_MOD(vthread_t thr, vvp_code_t code);
extern bool of_MOV(vthread_t thr, vvp_code_t code);
extern bool of_MUL(vthread_t thr, vvp_code_t code);
extern bool of_NANDR(vthread_t thr, vvp_code_t code);
extern bool of_NOOP(vthread_t thr, vvp_code_t code);
extern bool of_NORR(vthread_t thr, vvp_code_t code);
extern bool of_OR(vthread_t thr, vvp_code_t code);
extern bool of_ORR(vthread_t thr, vvp_code_t code);
extern bool of_SET(vthread_t thr, vvp_code_t code);
extern bool of_SET_MEM(vthread_t thr, vvp_code_t code);
extern bool of_SET_X(vthread_t thr, vvp_code_t code);
extern bool of_SHIFTL_I0(vthread_t thr, vvp_code_t code);
extern bool of_SHIFTR_I0(vthread_t thr, vvp_code_t code);
extern bool of_SUB(vthread_t thr, vvp_code_t code);
extern bool of_VPI_CALL(vthread_t thr, vvp_code_t code);
extern bool of_WAIT(vthread_t thr, vvp_code_t code);
extern bool of_XNOR(vthread_t thr, vvp_code_t code);
extern bool of_XNORR(vthread_t thr, vvp_code_t code);
extern bool of_XOR(vthread_t thr, vvp_code_t code);
extern bool of_XORR(vthread_t thr, vvp_code_t code);
extern bool of_ZOMBIE(vthread_t thr, vvp_code_t code);
/*
* This is the format of a machine code instruction.
*/
struct vvp_code_s {
vvp_code_fun opcode;
union {
unsigned number;
vvp_ipoint_t iptr;
vvp_cpoint_t cptr;
vvp_memory_t mem;
struct __vpiHandle*handle;
struct fork_extend*fork;
};
unsigned short bit_idx1;
unsigned short bit_idx2;
};
struct fork_extend {
vvp_cpoint_t cptr;
struct __vpiScope*scope;
};
/*
* This function clears the code space, ready for initialization. This
* needs to be done exactly once before any instructions are created.
*/
extern void codespace_init(void);
/*
* This function returns a pointer to the next free instruction in the
* code address space.
*/
extern vvp_cpoint_t codespace_allocate(void);
extern vvp_cpoint_t codespace_next(void);
/*
* Return a pointer to the indexed instruction in the codespace. The
* ptr must be a value returned from codespace_allocate. The compiler
* can use this to get a handle on the instruction to be created, and
* the runtime uses this to get the instruction addressed by the PC or
* by a branch instruction.
*/
extern vvp_code_t codespace_index(vvp_cpoint_t ptr);
/*
* $Log: codes.h,v $
* Revision 1.34 2001/08/26 22:59:32 steve
* Add the assign/x0 and set/x opcodes.
*
* Revision 1.33 2001/07/22 00:04:50 steve
* Add the load/x instruction for bit selects.
*
* Revision 1.32 2001/07/19 04:40:55 steve
* Add support for the delayx opcode.
*
* Revision 1.31 2001/06/30 21:07:26 steve
* Support non-const right shift (unsigned).
*
* Revision 1.30 2001/06/23 18:26:26 steve
* Add the %shiftl/i0 instruction.
*
* Revision 1.29 2001/06/18 01:09:32 steve
* More behavioral unary reduction operators.
* (Stephan Boettcher)
*
* Revision 1.28 2001/06/16 23:45:05 steve
* Add support for structural multiply in t-dll.
* Add code generators and vvp support for both
* structural and behavioral multiply.
*
* Revision 1.27 2001/05/24 04:20:10 steve
* Add behavioral modulus.
*
* Revision 1.26 2001/05/09 04:23:18 steve
* Now that the interactive debugger exists,
* there is no use for the output dump.
*
* Revision 1.25 2001/05/06 17:42:22 steve
* Add the %ix/get instruction. (Stephan Boettcher)
*
* Revision 1.24 2001/05/05 23:55:46 steve
* Add the beginnings of an interactive debugger.
*
* Revision 1.23 2001/05/02 23:16:50 steve
* Document memory related opcodes,
* parser uses numbv_s structures instead of the
* symbv_s and a mess of unions,
* Add the %is/sub instruction.
* (Stephan Boettcher)
*
* Revision 1.22 2001/05/02 01:57:25 steve
* Support behavioral subtraction.
*
* Revision 1.21 2001/05/01 01:09:39 steve
* Add support for memory objects. (Stephan Boettcher)
*
* Revision 1.20 2001/04/18 04:21:23 steve
* Put threads into scopes.
*
* Revision 1.19 2001/04/15 16:37:48 steve
* add XOR support.
*
* Revision 1.18 2001/04/15 04:07:56 steve
* Add support for behavioral xnor.
*
* Revision 1.17 2001/04/13 03:55:18 steve
* More complete reap of all threads.
*
* Revision 1.16 2001/04/05 01:12:28 steve
* Get signed compares working correctly in vvp.
*
* Revision 1.15 2001/04/01 22:25:33 steve
* Add the reduction nor instruction.
*/
#endif
Reference in New Issue View Git Blame Copy Permalink