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[/] [core_arm/] [trunk/] [vhdl/] [mem/] [cache/] [libs/] [setrepl_lib.vhd] - Blame information for rev 2

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Line No. Rev Author Line
1 2 tarookumic 
-- $(lic)
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-- $(help_generic)
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-- $(help_local)
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library ieee;
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use ieee.std_logic_1164.all;
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use work.cache_config.all;
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-- PREFIX: srpl_xxx
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package setrepl_lib is
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-- 3-way set permutations
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-- s012 => set 0 - least recently used
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--         set 2 - most recently used
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constant s012 : std_logic_vector(2 downto 0) := "000";
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constant s021 : std_logic_vector(2 downto 0) := "001";
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constant s102 : std_logic_vector(2 downto 0) := "010";
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constant s120 : std_logic_vector(2 downto 0) := "011";
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constant s201 : std_logic_vector(2 downto 0) := "100";
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constant s210 : std_logic_vector(2 downto 0) := "101";
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-- 4-way set permutations
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-- s0123 => set 0 - least recently used
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--          set 3 - most recently used
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constant s0123 : std_logic_vector(4 downto 0) := "00000";
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constant s0132 : std_logic_vector(4 downto 0) := "00001";
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constant s0213 : std_logic_vector(4 downto 0) := "00010";
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constant s0231 : std_logic_vector(4 downto 0) := "00011";
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constant s0312 : std_logic_vector(4 downto 0) := "00100";
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constant s0321 : std_logic_vector(4 downto 0) := "00101";
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constant s1023 : std_logic_vector(4 downto 0) := "00110";
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constant s1032 : std_logic_vector(4 downto 0) := "00111";
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constant s1203 : std_logic_vector(4 downto 0) := "01000";
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constant s1230 : std_logic_vector(4 downto 0) := "01001";
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constant s1302 : std_logic_vector(4 downto 0) := "01010";
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constant s1320 : std_logic_vector(4 downto 0) := "01011";
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constant s2013 : std_logic_vector(4 downto 0) := "01100";
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constant s2031 : std_logic_vector(4 downto 0) := "01101";
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constant s2103 : std_logic_vector(4 downto 0) := "01110";
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constant s2130 : std_logic_vector(4 downto 0) := "01111";
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constant s2301 : std_logic_vector(4 downto 0) := "10000";
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constant s2310 : std_logic_vector(4 downto 0) := "10001";
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constant s3012 : std_logic_vector(4 downto 0) := "10010";
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constant s3021 : std_logic_vector(4 downto 0) := "10011";
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constant s3102 : std_logic_vector(4 downto 0) := "10100";
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constant s3120 : std_logic_vector(4 downto 0) := "10101";
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constant s3201 : std_logic_vector(4 downto 0) := "10110";
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constant s3210 : std_logic_vector(4 downto 0) := "10111";
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type lru_3set_table_vector_type is array(0 to 2) of std_logic_vector(2 downto 0);
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type lru_3set_table_type is array (0 to 7) of lru_3set_table_vector_type;
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constant lru_3set_table : lru_3set_table_type :=
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  ( (s120, s021, s012),                   -- s012
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    (s210, s021, s012),                   -- s021
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    (s120, s021, s102),                   -- s102
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    (s120, s201, s102),                   -- s120
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    (s210, s201, s012),                   -- s201
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    (s210, s201, s102),                   -- s210
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    (s210, s201, s102),                   -- dummy
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    (s210, s201, s102)                    -- dummy
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  );
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type lru_4set_table_vector_type is array(0 to 3) of std_logic_vector(4 downto 0);
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type lru_4set_table_type is array(0 to 31) of lru_4set_table_vector_type;
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constant lru_4set_table : lru_4set_table_type :=
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  ( (s1230, s0231, s0132, s0123),       -- s0123
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    (s1320, s0321, s0132, s0123),       -- s0132
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    (s2130, s0231, s0132, s0213),       -- s0213
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    (s2310, s0231, s0312, s0213),       -- s0231
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    (s3120, s0321, s0312, s0123),       -- s0312
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    (s3210, s0321, s0312, s0213),       -- s0321
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    (s1230, s0231, s1032, s1023),       -- s1023
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    (s1320, s0321, s1032, s1023),       -- s1032
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    (s1230, s2031, s1032, s1203),       -- s1203
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    (s1230, s2301, s1302, s1203),       -- s1230
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    (s1320, s3021, s1302, s1023),       -- s1302
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    (s1320, s3201, s1302, s1203),       -- s1320
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    (s2130, s2031, s0132, s2013),       -- s2013
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    (s2310, s2031, s0312, s2013),       -- s2031
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    (s2130, s2031, s1032, s2103),       -- s2103
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    (s2130, s2301, s1302, s2103),       -- s2130
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    (s2310, s2301, s3012, s2013),       -- s2301
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    (s2310, s2301, s3102, s2103),       -- s2310
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    (s3120, s3021, s3012, s0123),       -- s3012
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    (s3210, s3021, s3012, s0213),       -- s3021
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    (s3120, s3021, s3102, s1023),       -- s3102
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    (s3120, s3201, s3102, s1203),       -- s3120
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    (s3210, s3201, s3012, s2013),       -- s3201
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    (s3210, s3201, s3102, s2103),       -- s3210
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    (s3210, s3201, s3102, s2103),        -- dummy
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    (s3210, s3201, s3102, s2103),        -- dummy
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    (s3210, s3201, s3102, s2103),        -- dummy
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    (s3210, s3201, s3102, s2103),        -- dummy
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    (s3210, s3201, s3102, s2103),        -- dummy
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    (s3210, s3201, s3102, s2103),        -- dummy
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    (s3210, s3201, s3102, s2103),        -- dummy
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    (s3210, s3201, s3102, s2103)         -- dummy
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  );
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type lru3_repl_table_single_type is array(0 to 2) of integer range 0 to 2;
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type lru3_repl_table_type is array(0 to 7) of lru3_repl_table_single_type;
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constant lru3_repl_table : lru3_repl_table_type :=
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  ( (0, 1, 2),      -- s012
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    (0, 2, 2),      -- s021
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    (1, 1, 2),      -- s102
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    (1, 1, 2),      -- s120
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    (2, 2, 2),      -- s201
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    (2, 2, 2),      -- s210
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    (2, 2, 2),      -- dummy
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    (2, 2, 2)       -- dummy
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  );
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type lru4_repl_table_single_type is array(0 to 3) of integer range 0 to 3;
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type lru4_repl_table_type is array(0 to 31) of lru4_repl_table_single_type;
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constant lru4_repl_table : lru4_repl_table_type :=
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  ( (0, 1, 2, 3), -- s0123
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    (0, 1, 3, 3), -- s0132
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    (0, 2, 2, 3), -- s0213
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    (0, 2, 2, 3), -- s0231
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    (0, 3, 3, 3), -- s0312
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    (0, 3, 3, 3), -- s0321
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    (1, 1, 2, 3), -- s1023
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    (1, 1, 3, 3), -- s1032
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    (1, 1, 2, 3), -- s1203
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    (1, 1, 2, 3), -- s1230
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    (1, 1, 3, 3), -- s1302
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    (1, 1, 3, 3), -- s1320
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    (2, 2, 2, 3), -- s2013
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    (2, 2, 2, 3), -- s2031
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    (2, 2, 2, 3), -- s2103
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    (2, 2, 2, 3), -- s2130
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    (2, 2, 2, 3), -- s2301
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    (2, 2, 2, 3), -- s2310
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    (3, 3, 3, 3), -- s3012
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    (3, 3, 3, 3), -- s3021
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    (3, 3, 3, 3), -- s3102
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    (3, 3, 3, 3), -- s3120
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    (3, 3, 3, 3), -- s3201
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    (3, 3, 3, 3), -- s3210
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    (0, 0, 0, 0), -- dummy
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    (0, 0, 0, 0), -- dummy
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    (0, 0, 0, 0), -- dummy
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    (0, 0, 0, 0), -- dummy
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    (0, 0, 0, 0), -- dummy
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    (0, 0, 0, 0), -- dummy
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    (0, 0, 0, 0), -- dummy
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    (0, 0, 0, 0)  -- dummy
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  );
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end setrepl_lib;
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package body setrepl_lib is
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end setrepl_lib;

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