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#ifndef MICROBLAZE_H
#define MICROBLAZE_H
/* Copyright 2009 Free Software Foundation, Inc.
This file is part of the Xilinx MicroBlaze simulator.
This library 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, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "../../opcodes/microblaze-opcm.h"
#define GET_RD ((inst & RD_MASK) >> RD_LOW)
#define GET_RA ((inst & RA_MASK) >> RA_LOW)
#define GET_RB ((inst & RB_MASK) >> RB_LOW)
#define CPU microblaze_state.cpu[0].microblaze_cpu
#define RD CPU.regs[rd]
#define RA CPU.regs[ra]
#define RB CPU.regs[rb]
/* #define IMM immword */
#define SA CPU.spregs[IMM & 0x1]
#define IMM_H CPU.imm_high
#define IMM_L ((inst & IMM_MASK) >> IMM_LOW)
#define IMM_ENABLE CPU.imm_enable
#define IMM (IMM_ENABLE ? \
(((uhalf)IMM_H << 16) | (uhalf)IMM_L) : \
(imm_unsigned ? \
(0xFFFF & IMM_L) : \
(IMM_L & 0x8000 ? \
(0xFFFF0000 | IMM_L) : \
(0x0000FFFF & IMM_L))))
#define PC CPU.spregs[0]
#define MSR CPU.spregs[1]
#define SP CPU.regs[29]
#define RETREG CPU.regs[3]
#define MEM(X) memory[X]
#define MEM_RD_BYTE(X) rbat(X)
#define MEM_RD_HALF(X) rhat(X)
#define MEM_RD_WORD(X) rlat(X)
#define MEM_RD_UBYTE(X) (ubyte) MEM_RD_BYTE(X)
#define MEM_RD_UHALF(X) (uhalf) MEM_RD_HALF(X)
#define MEM_RD_UWORD(X) (uword) MEM_RD_WORD(X)
#define MEM_WR_BYTE(X, D) wbat(X, D)
#define MEM_WR_HALF(X, D) what(X, D)
#define MEM_WR_WORD(X, D) wlat(X, D)
#define MICROBLAZE_SEXT8(X) ((char) X)
#define MICROBLAZE_SEXT16(X) ((short) X)
#define CARRY carry
#define C_rd ((MSR & 0x4) >> 2)
#define C_wr(D) MSR = (D ? MSR | 0x80000004 : MSR & 0x7FFFFFFB)
#define C_calc(X, Y, C) ((((uword)Y == MAX_WORD) && (C == 1)) ? \
1 : \
((MAX_WORD - (uword)X) < ((uword)Y + C)))
#define BIP_MASK 0x00000008
#define CARRY_MASK 0x00000004
#define INTR_EN_MASK 0x00000002
#define BUSLOCK_MASK 0x00000001
#define DELAY_SLOT delay_slot_enable = 1
#define BRANCH branch_taken = 1
#define NUM_REGS 32
#define NUM_SPECIAL 2
#define INST_SIZE 4
#define MAX_WORD 0xFFFFFFFF
#define MICROBLAZE_HALT_INST 0xb8000000
typedef char byte;
typedef short half;
typedef int word;
typedef unsigned char ubyte;
typedef unsigned short uhalf;
typedef unsigned int uword;
#endif /* MICROBLAZE_H */
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