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[/] [ion/] [trunk/] [vhdl/] [mips_pkg.vhdl] - Diff between revs 120 and 134
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| Rev 120 |
Rev 134 |
| Line 94... |
Line 94... |
inp1_eq_zero : std_logic;
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inp1_eq_zero : std_logic;
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inp1_lt_inp2 : std_logic;
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inp1_lt_inp2 : std_logic;
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inp1_eq_inp2 : std_logic;
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inp1_eq_inp2 : std_logic;
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end record t_alu_flags;
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end record t_alu_flags;
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-- Debug info output by sinthesizable MPU core; meant to debug the core itself,
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-- not to debug software!
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type t_debug_info is record
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cache_enabled : std_logic;
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unmapped_access : std_logic;
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end record t_debug_info;
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-- 32-cycle mul/div module control. Bits 4-3 & 1-0 of IR.
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-- 32-cycle mul/div module control. Bits 4-3 & 1-0 of IR.
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subtype t_mult_function is std_logic_vector(3 downto 0);
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subtype t_mult_function is std_logic_vector(3 downto 0);
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constant MULT_NOTHING : t_mult_function := "0000";
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constant MULT_NOTHING : t_mult_function := "0000";
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constant MULT_READ_LO : t_mult_function := "1010"; -- 18
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constant MULT_READ_LO : t_mult_function := "1010"; -- 18
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constant MULT_READ_HI : t_mult_function := "1000"; -- 16
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constant MULT_READ_HI : t_mult_function := "1000"; -- 16
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