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madsilicon |
-----------------------------------------------------------------
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-- --
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-----------------------------------------------------------------
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-- --
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-- Copyright (C) 2015 Stefano Tonello --
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-- --
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-- This source file may be used and distributed without --
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-- restriction provided that this copyright statement is not --
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-- removed from the file and that any derivative work contains --
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-- the original copyright notice and the associated disclaimer.--
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-- --
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-- THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY --
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-- EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED --
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-- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS --
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-- FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR --
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-- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, --
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-- INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES --
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-- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE --
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-- GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR --
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-- BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF --
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-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT --
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-- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT --
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-- OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE --
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-- POSSIBILITY OF SUCH DAMAGE. --
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-- --
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-----------------------------------------------------------------
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---------------------------------------------------------------
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-- RV01 constants package
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---------------------------------------------------------------
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library IEEE;
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use IEEE.std_logic_1164.all;
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use IEEE.numeric_std.all;
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library WORK;
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use WORK.RV01_CONSTS_PKG.all;
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package RV01_TYPES_PKG is
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-- short (signed) data word type
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subtype SDWORD_T is signed(SDLEN-1 downto 0);
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-- long (signed) data word type
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subtype LDWORD_T is signed(LDLEN-1 downto 0);
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-- short unsigned data word type
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subtype SDWORDU_T is unsigned(SDLEN-1 downto 0);
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-- long unsigned data word type
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subtype LDWORDU_T is unsigned(LDLEN-1 downto 0);
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-- register identifier type
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subtype RID_T is integer range 0 to REGNUM-1;
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-- short shift amount type
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subtype SHORT_SHIFT_T is integer range 0 to SDLEN-1;
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-- long shift amount type
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subtype LONG_SHIFT_T is integer range 0 to LDLEN-1;
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subtype ADR_T is unsigned(ALEN-1 downto 0);
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type SDWORD_VEC_T is array (natural range<>) of SDWORD_T;
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type LDWORD_VEC_T is array (natural range<>) of LDWORD_T;
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type ADR_VEC_T is array (natural range<>) of ADR_T;
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end package;
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package body RV01_TYPES_PKG is
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end package body;
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