- removed sproto-calls due to crashes in synth tools

git-svn-id: http://moon:8086/svn/vhdl/trunk@178 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
2008-12-31 11:23:50 +00:00
parent 18641b8411
commit 8c652af1a7
7 changed files with 28 additions and 27 deletions
+6 -5
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@@ -100,8 +100,9 @@ architecture Behavioral of fir_iterative is
constant ntaps_is_even : boolean := (ntaps mod 2) = 0; constant ntaps_is_even : boolean := (ntaps mod 2) = 0;
constant h_addr_bits : integer := taps_nbits(ntaps, fir_mode); constant h_addr_bits : integer := taps_nbits(ntaps, fir_mode);
subtype in_t is sfixed(sproto(nbits_in, nbits_in_frac)'high downto sproto(nbits_in, nbits_in_frac)'low); subtype in_t is sfixed(shi(nbits_in, nbits_in_frac) downto slo(nbits_in, nbits_in_frac));
subtype stage_t is sfixed(sproto(nbits_stages, nbits_stages_frac)'high downto sproto(nbits_stages, nbits_stages_frac)'low); subtype out_t is sfixed(shi(nbits_out, nbits_out_frac) downto slo(nbits_out, nbits_out_frac));
subtype stage_t is sfixed(shi(nbits_stages, nbits_stages_frac) downto slo(nbits_stages, nbits_stages_frac));
type state_t is (init, idle, start, proc, p1, p2, output); type state_t is (init, idle, start, proc, p1, p2, output);
signal s, sn : state_t; signal s, sn : state_t;
@@ -120,7 +121,7 @@ architecture Behavioral of fir_iterative is
type xmem_t is array (0 to ntaps-1) of in_t; type xmem_t is array (0 to ntaps-1) of in_t;
signal xmem : xmem_t; signal xmem : xmem_t;
signal y_out_reg : stage_t; signal y_out_reg : out_t;
signal y_reg_valid : std_logic; signal y_reg_valid : std_logic;
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
@@ -135,9 +136,9 @@ begin
if rising_edge(clk) then if rising_edge(clk) then
y_reg_valid <= '0'; y_reg_valid <= '0';
if srst = '1' then if srst = '1' then
y_out_reg <= to_sfixed(0, sproto(nbits_out, nbits_out_frac)); y_out_reg <= to_sfixed(0, y_out_reg);
elsif y_valid = '1' then elsif y_valid = '1' then
y_out_reg <= y_stage; y_out_reg <= resize(y_stage, y_out_reg);
y_reg_valid <= '1'; y_reg_valid <= '1';
end if; end if;
end if; end if;
+3 -3
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@@ -99,13 +99,13 @@ architecture Behavioral of fir_parallel is
END COMPONENT; END COMPONENT;
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
type coeff_array_t is array (natural range <>) of sfixed(sproto(nbits_stages, nbits_stages_frac)'high downto sproto(nbits_stages, nbits_stages_frac)'low); type coeff_array_t is array (natural range <>) of sfixed(shi(nbits_stages, nbits_stages_frac) downto slo(nbits_stages, nbits_stages_frac));
type stages_array_t is array (natural range <>) of sfixed(sproto(nbits_stages, nbits_stages_frac)'high downto sproto(nbits_stages, nbits_stages_frac)'low); type stages_array_t is array (natural range <>) of sfixed(shi(nbits_stages, nbits_stages_frac) downto slo(nbits_stages, nbits_stages_frac));
constant zero_in : sfixed := to_sfixed(0, nbits_in, nbits_in_frac); constant zero_in : sfixed := to_sfixed(0, nbits_in, nbits_in_frac);
constant fir_stage_mode : fir_stage_mode_t := transposed; constant fir_stage_mode : fir_stage_mode_t := transposed;
SIGNAL x_out : sfixed(sproto(nbits_out, nbits_out_frac)'high downto sproto(nbits_out, nbits_out_frac)'low); SIGNAL x_out : sfixed(shi(nbits_out, nbits_out_frac) downto slo(nbits_out, nbits_out_frac));
SIGNAL x : stages_array_t(0 to ntaps-2); SIGNAL x : stages_array_t(0 to ntaps-2);
SIGNAL y : stages_array_t(0 to ntaps-2); SIGNAL y : stages_array_t(0 to ntaps-2);
+1 -1
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@@ -48,7 +48,7 @@ package body fir_parallel_pkg is
--------------------------------------------------------------------------- ---------------------------------------------------------------------------
function to_sfixed_array(x : real_array_t; nbits, nbits_int : integer) return sfixed_array_t is function to_sfixed_array(x : real_array_t; nbits, nbits_int : integer) return sfixed_array_t is
variable p : sfixed(sproto(nbits, nbits_int)'high downto sproto(nbits, nbits_int)'low); variable p : sfixed(shi(nbits, nbits_int) downto slo(nbits, nbits_int));
begin begin
return to_sfixed_array(x, p); return to_sfixed_array(x, p);
end to_sfixed_array; end to_sfixed_array;
+7 -7
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@@ -66,10 +66,10 @@ end fir_stage;
architecture Behavioral of fir_stage is architecture Behavioral of fir_stage is
signal xin : sfixed(sproto(nbits_in, nbits_in_frac)'high downto sproto(nbits_in, nbits_in_frac)'low); signal xin : sfixed(shi(nbits_in, nbits_in_frac) downto slo(nbits_in, nbits_in_frac));
signal yin : sfixed(sproto(nbits_in, nbits_in_frac)'high downto sproto(nbits_in, nbits_in_frac)'low); signal yin : sfixed(shi(nbits_in, nbits_in_frac) downto slo(nbits_in, nbits_in_frac));
signal hin : sfixed(sproto(nbits_in, nbits_in_frac)'high downto sproto(nbits_in, nbits_in_frac)'low); signal hin : sfixed(shi(nbits_in, nbits_in_frac) downto slo(nbits_in, nbits_in_frac));
signal prod : sfixed(sproto(nbits_out, nbits_out_frac)'high downto sproto(nbits_out, nbits_out_frac)'low); signal prod : sfixed(shi(nbits_out, nbits_out_frac) downto slo(nbits_out, nbits_out_frac));
signal valid, p_valid : std_logic; signal valid, p_valid : std_logic;
------------------------------------------------------------ ------------------------------------------------------------
begin begin
@@ -89,7 +89,7 @@ begin
------------------------------------------------------------ ------------------------------------------------------------
proc_in_reg_hx: process(srst, clk, in_valid, x_in, h_in) proc_in_reg_hx: process(srst, clk, in_valid, x_in, h_in)
variable p : sfixed(sproto(nbits_out, nbits_out_frac)'high downto sproto(nbits_out, nbits_out_frac)'low); variable p : sfixed(shi(nbits_out, nbits_out_frac) downto slo(nbits_out, nbits_out_frac));
begin begin
if has_in_reg = true then if has_in_reg = true then
if rising_edge(clk) then if rising_edge(clk) then
@@ -116,7 +116,7 @@ begin
------------------------------------------------------------ ------------------------------------------------------------
proc_pipe_reg: process(srst, clk, valid, xin, hin) proc_pipe_reg: process(srst, clk, valid, xin, hin)
variable p : sfixed(sproto(nbits_out, nbits_out_frac)'high downto sproto(nbits_out, nbits_out_frac)'low); variable p : sfixed(shi(nbits_out, nbits_out_frac) downto slo(nbits_out, nbits_out_frac));
begin begin
p := resize(xin * hin, p); p := resize(xin * hin, p);
if has_pipe_reg = true then if has_pipe_reg = true then
@@ -137,7 +137,7 @@ begin
------------------------------------------------------------ ------------------------------------------------------------
proc_out_reg: process(srst, clk, p_valid, prod, yin) proc_out_reg: process(srst, clk, p_valid, prod, yin)
variable yout : sfixed(sproto(nbits_out, nbits_out_frac)'high downto sproto(nbits_out, nbits_out_frac)'low); variable yout : sfixed(shi(nbits_out, nbits_out_frac) downto slo(nbits_out, nbits_out_frac));
begin begin
yout := resize(yin + prod, yout, fixed_wrap, fixed_truncate); yout := resize(yin + prod, yout, fixed_wrap, fixed_truncate);
-- if rising_edge(clk) then -- if rising_edge(clk) then
+4 -4
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@@ -86,11 +86,11 @@ ARCHITECTURE behavior OF tb_fir_iterative IS
SIGNAL clk : std_logic := '0'; SIGNAL clk : std_logic := '0';
SIGNAL srst : std_logic := '1'; SIGNAL srst : std_logic := '1';
SIGNAL x_valid : std_logic := '0'; SIGNAL x_valid : std_logic := '0';
SIGNAL h_din : sfixed(sproto(nbits_stages, nbits_stages_frac)'high downto sproto(nbits_stages, nbits_stages_frac)'low); SIGNAL h_din : sfixed(shi(nbits_stages, nbits_stages_frac) downto slo(nbits_stages, nbits_stages_frac));
SIGNAL x_din : sfixed(sproto(nbits_in, nbits_in_frac)'high downto sproto(nbits_in, nbits_in_frac)'low); SIGNAL x_din : sfixed(shi(nbits_in, nbits_in_frac) downto slo(nbits_in, nbits_in_frac));
--Outputs --Outputs
SIGNAL y_dout : sfixed(sproto(nbits_out, nbits_out_frac)'high downto sproto(nbits_out, nbits_out_frac)'low); SIGNAL y_dout : sfixed(shi(nbits_out, nbits_out_frac) downto slo(nbits_out, nbits_out_frac));
SIGNAL y_valid : std_logic; SIGNAL y_valid : std_logic;
SIGNAL ready : std_logic; SIGNAL ready : std_logic;
@@ -136,7 +136,7 @@ ARCHITECTURE behavior OF tb_fir_iterative IS
0.0 0.0
); );
type ymem_t is array (0 to nsamples-1) of sfixed(sproto(nbits_out, nbits_out_frac)'high downto sproto(nbits_out, nbits_out_frac)'low); type ymem_t is array (0 to nsamples-1) of sfixed(shi(nbits_out, nbits_out_frac) downto slo(nbits_out, nbits_out_frac));
signal ymem : ymem_t; signal ymem : ymem_t;
signal y_cnt : integer ; signal y_cnt : integer ;
+3 -3
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@@ -88,16 +88,16 @@ ARCHITECTURE behavior OF tb_fir_parallel IS
SIGNAL clk : std_logic := '0'; SIGNAL clk : std_logic := '0';
SIGNAL srst : std_logic := '1'; SIGNAL srst : std_logic := '1';
SIGNAL in_valid : std_logic := '0'; SIGNAL in_valid : std_logic := '0';
SIGNAL x_in : sfixed(sproto(nbits_in, nbits_in_frac)'high downto sproto(nbits_in, nbits_in_frac)'low); SIGNAL x_in : sfixed(shi(nbits_in, nbits_in_frac) downto slo(nbits_in, nbits_in_frac));
--Outputs --Outputs
SIGNAL y_out : sfixed(sproto(nbits_out, nbits_out_frac)'high downto sproto(nbits_out, nbits_out_frac)'low); SIGNAL y_out : sfixed(shi(nbits_out, nbits_out_frac) downto slo(nbits_out, nbits_out_frac));
SIGNAL out_valid : std_logic := '0'; SIGNAL out_valid : std_logic := '0';
SIGNAL fileout_enable : std_logic := '1'; SIGNAL fileout_enable : std_logic := '1';
-- Test coefficients -- Test coefficients
SIGNAL coeff_in : sfixed_array_t(0 to ntaps-1, sproto(nbits_stages, nbits_stages_frac)'high downto sproto(nbits_stages, nbits_stages_frac)'low) := to_sfixed_array(FilterCoef_Lowpass(ntaps, 0.125, 0.125), nbits_stages, nbits_stages_frac); SIGNAL coeff_in : sfixed_array_t(0 to ntaps-1, shi(nbits_stages, nbits_stages_frac) downto slo(nbits_stages, nbits_stages_frac)) := to_sfixed_array(FilterCoef_Lowpass(ntaps, 0.125, 0.125), nbits_stages, nbits_stages_frac);
SIGNAL xi, yo : real := 0.0; SIGNAL xi, yo : real := 0.0;
+4 -4
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@@ -78,7 +78,7 @@ ARCHITECTURE behavior OF tb_fir_stage IS
); );
END COMPONENT; END COMPONENT;
type stages_t is array (natural range <>) of sfixed(sproto(nbits_stages, nbits_stages_frac)'high downto sproto(nbits_stages, nbits_stages_frac)'low); type stages_t is array (natural range <>) of sfixed(shi(nbits_stages, nbits_stages_frac) downto slo(nbits_stages, nbits_stages_frac));
--Constants --Constants
constant PERIOD : time := 10 ns; constant PERIOD : time := 10 ns;
@@ -88,11 +88,11 @@ ARCHITECTURE behavior OF tb_fir_stage IS
SIGNAL clk : std_logic := '0'; SIGNAL clk : std_logic := '0';
SIGNAL srst : std_logic := '1'; SIGNAL srst : std_logic := '1';
SIGNAL in_valid : std_logic := '0'; SIGNAL in_valid : std_logic := '0';
SIGNAL x_in : sfixed(sproto(nbits_in, nbits_in_frac)'high downto sproto(nbits_in, nbits_in_frac)'low); SIGNAL x_in : sfixed(shi(nbits_in, nbits_in_frac) downto slo(nbits_in, nbits_in_frac));
--Outputs --Outputs
SIGNAL x_out : sfixed(sproto(nbits_out, nbits_out_frac)'high downto sproto(nbits_out, nbits_out_frac)'low); SIGNAL x_out : sfixed(shi(nbits_out, nbits_out_frac) downto slo(nbits_out, nbits_out_frac));
SIGNAL y_out : sfixed(sproto(nbits_out, nbits_out_frac)'high downto sproto(nbits_out, nbits_out_frac)'low); SIGNAL y_out : sfixed(shi(nbits_out, nbits_out_frac) downto slo(nbits_out, nbits_out_frac));
SIGNAL out_valid : std_logic := '0'; SIGNAL out_valid : std_logic := '0';
SIGNAL x : stages_t(0 to ntaps-2); SIGNAL x : stages_t(0 to ntaps-2);