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[/] [rv01_riscv_core/] [trunk/] [VHDL/] [RV01_op_pkg.vhd] - Rev 2
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----------------------------------------------------------------- -- -- ----------------------------------------------------------------- -- -- -- Copyright (C) 2015 Stefano Tonello -- -- -- -- This source file may be used and distributed without -- -- restriction provided that this copyright statement is not -- -- removed from the file and that any derivative work contains -- -- the original copyright notice and the associated disclaimer.-- -- -- -- THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY -- -- EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED -- -- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -- -- FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR -- -- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -- -- INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -- -- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE -- -- GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR -- -- BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -- -- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -- -- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT -- -- OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -- -- POSSIBILITY OF SUCH DAMAGE. -- -- -- ----------------------------------------------------------------- --------------------------------------------------------------- -- RV01 ALU, B/J and load/store operations package --------------------------------------------------------------- library IEEE; use IEEE.std_logic_1164.all; use IEEE.numeric_std.all; library WORK; use WORK.RV01_CONSTS_PKG.all; package RV01_OP_PKG is -- Scalar ALU operation type type ALU_OP_T is ( ALU_MOVB, ALU_ADD, ALU_AUIPC, ALU_JAL, ALU_SLT, ALU_SUB, ALU_MUL, ALU_MULH, ALU_MULHU, ALU_MULHSU, ALU_SHL, ALU_SHR, ALU_AND, ALU_OR, ALU_XOR, ALU_DIV, ALU_REM, ALU_NIL ); type BJ_OP_T is ( BJ_JAL, BJ_JALR, BJ_BEQ, BJ_BNE, BJ_BLT, BJ_BGE, BJ_NIL ); type LS_OP_T is ( LS_LB, LS_LH, LS_LW, LS_SB, LS_SH, LS_SW, LS_NIL ); type CS_OP_T is ( CS_RW, CS_RS, CS_RC, CS_RWI, CS_RSI, CS_RCI, CS_NIL ); type FP_OP_T is ( FP_ADDS, FP_SUBS, FP_MULS, FP_DIVS, FP_CVTWS, FP_CVTSW, FP_MVXS, FP_MVSX, FP_CMP, FP_NIL ); end package;