[bench] jit try of vm

[calu.git] / cpu / src / common_pkg.vhd

diff --git a/cpu/src/common_pkg.vhd b/cpu/src/common_pkg.vhd
index 03e61cd8c39c07cfa79967462c103d42d80fd625..ec18a20b975d1b6157081cc31a6611a46c9a20ff 100755 (executable)
--- a/cpu/src/common_pkg.vhd
+++ b/cpu/src/common_pkg.vhd
@@ -30,10 +30,12 @@ package common_pkg is
        
        constant NUM_OP_OPT_WIDTH       : INTEGER := 6;
        constant COND_WIDTH : INTEGER := 4;
+       constant DATA_END_ADDR          : integer := ((2**DATA_ADDR_WIDTH)-1);
 
        
        subtype instruction_word_t is std_logic_vector(WORD_WIDTH-1 downto 0);
        subtype instruction_addr_t is std_logic_vector(INSTR_ADDR_WIDTH-1 downto 0);
+       subtype instr_addr_t is instruction_addr_t;
        
        subtype gp_addr_t       is std_logic_vector(REG_ADDR_WIDTH-1 downto 0);
        subtype data_ram_word_t is std_logic_vector(WORD_WIDTH-1 downto 0);
@@ -55,7 +57,8 @@ package common_pkg is
 
        constant RIGHT_OPT : integer := 3;
        constant JMP_REG_OPT : integer := 3;
-       constant ST_OPT  : integer := 3;
+       constant ST_OPT  : integer := 3; -- store opt
+       constant RET_OPT : integer := 3;
        
        constant NO_PSW_OPT : integer := 4;--no sharing
        constant NO_DST_OPT : integer := 5; --no sharing