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Platform-independent core collection
Commit ba7bdc45 authored by Dimitris Lampridis's avatar Dimitris Lampridis
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[hdl] move function declrations to the top of the gencores_pkg file. 

This allows them to be used right after in component declarations.
Signed-off-by: Dimitris Lampridis's avatarDimitris Lampridis <dimitris.lampridis@cern.ch>
parent 90a4e385
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Showing with 47 additions and 42 deletions
modules/common/gencores_pkg.vhd
View file @ ba7bdc45
......@@ -31,6 +31,53 @@ use work.genram_pkg.all;
package gencores_pkg is
--============================================================================
-- Procedures and functions
--============================================================================
procedure f_rr_arbitrate (
signal req : in std_logic_vector;
signal pre_grant : in std_logic_vector;
signal grant : out std_logic_vector);
function f_onehot_decode(x : std_logic_vector; size : integer) return std_logic_vector;
function f_big_ripple(a, b : std_logic_vector; c : std_logic) return std_logic_vector;
function f_gray_encode(x : std_logic_vector) return std_logic_vector;
function f_gray_decode(x : std_logic_vector; step : natural) return std_logic_vector;
function log2_ceil(N : natural) return positive;
function f_bool2int (b : boolean) return natural;
function f_int2bool (n : natural) return boolean;
-- Convert a boolean to std_logic ('1' for True, '0' for False).
function f_to_std_logic(b : boolean) return std_logic;
-- Reduce-OR an std_logic_vector to std_logic
function f_reduce_or (x : std_logic_vector) return std_logic;
-- Character/String to std_logic_vector
function f_to_std_logic_vector (c : character) return std_logic_vector;
function f_to_std_logic_vector (s : string) return std_logic_vector;
-- Functions for short-hand if assignments
function f_pick (cond : boolean; if_1 : std_logic; if_0 : std_logic)
return std_logic;
function f_pick (cond : boolean; if_1 : std_logic_vector; if_0 : std_logic_vector)
return std_logic_vector;
function f_pick (cond : std_logic; if_1 : std_logic; if_0 : std_logic)
return std_logic;
function f_pick (cond : std_logic; if_1 : std_logic_vector; if_0 : std_logic_vector)
return std_logic_vector;
-- Functions to convert characters and strings to upper/lower case
function to_upper(c : character) return character;
function to_lower(c : character) return character;
function to_upper(s : string) return string;
function to_lower(s : string) return string;
--============================================================================
-- Component instantiations
--============================================================================
......@@ -690,48 +737,6 @@ package gencores_pkg is
counter_o : out std_logic_vector(g_bits downto 0));
end component gc_async_counter_diff;
--============================================================================
-- Procedures and functions
--============================================================================
procedure f_rr_arbitrate (
signal req : in std_logic_vector;
signal pre_grant : in std_logic_vector;
signal grant : out std_logic_vector);
function f_onehot_decode(x : std_logic_vector; size : integer) return std_logic_vector;
function f_big_ripple(a, b : std_logic_vector; c : std_logic) return std_logic_vector;
function f_gray_encode(x : std_logic_vector) return std_logic_vector;
function f_gray_decode(x : std_logic_vector; step : natural) return std_logic_vector;
function log2_ceil(N : natural) return positive;
function f_bool2int (b : boolean) return natural;
function f_int2bool (n : natural) return boolean;
-- Convert a boolean to std_logic ('1' for True, '0' for False).
function f_to_std_logic(b : boolean) return std_logic;
-- Reduce-OR an std_logic_vector to std_logic
function f_reduce_or (x : std_logic_vector) return std_logic;
-- Character/String to std_logic_vector
function f_to_std_logic_vector (c : character) return std_logic_vector;
function f_to_std_logic_vector (s : string) return std_logic_vector;
-- Functions for short-hand if assignments
function f_pick (cond : boolean; if_1 : std_logic; if_0 : std_logic)
return std_logic;
function f_pick (cond : boolean; if_1 : std_logic_vector; if_0 : std_logic_vector)
return std_logic_vector;
function f_pick (cond : std_logic; if_1 : std_logic; if_0 : std_logic)
return std_logic;
function f_pick (cond : std_logic; if_1 : std_logic_vector; if_0 : std_logic_vector)
return std_logic_vector;
-- Functions to convert characters and strings to upper/lower case
function to_upper(c : character) return character;
function to_lower(c : character) return character;
function to_upper(s : string) return string;
function to_lower(s : string) return string;
end package;
package body gencores_pkg is
......
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