#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 1.33 2001/07/22 00:04:50 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_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_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 1.33 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