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Add lpp_top_acq v0.0.1
Add lpp_top_acq v0.0.1
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mmuiface.vhd
251 lines | 7.9 KiB | text/x-vhdl | VhdlLexer
/ designs / ProjetBlanc-LeonLPP-A3PE3kL / package / mmuiface.vhd
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 r100 ------------------------------------------------------------------------------
-- This file is a part of the GRLIB VHDL IP LIBRARY
-- Copyright (C) 2003 - 2008, Gaisler Research
-- Copyright (C) 2008 - 2010, Aeroflex Gaisler
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 2 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-----------------------------------------------------------------------------
-- Entity: mmuiface
-- File: mmuiface.vhd
-- Author: Konrad Eisele, Jiri Gaisler - Gaisler Research
-- Description: MMU interface types
------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
library grlib;
use grlib.amba.all;
use grlib.stdlib.all;
library gaisler;
use gaisler.mmuconfig.all;
package mmuiface is
type mmutlbcam_in_type is record
mmctrl : mmctrl_type1;
tagin : tlbcam_tfp;
tagwrite : tlbcam_reg;
trans_op : std_logic;
flush_op : std_logic;
write_op : std_logic;
wb_op : std_logic;
mmuen : std_logic;
mset : std_logic;
end record;
type mmutlbcami_a is array (natural range <>) of mmutlbcam_in_type;
constant mmutlbcam_in_type_none : mmutlbcam_in_type := (mmctrl_type1_none, tlbcam_tfp_none,
tlbcam_reg_none, '0', '0', '0', '0', '0', '0');
type mmutlbcam_out_type is record
pteout : std_logic_vector(31 downto 0);
LVL : std_logic_vector(1 downto 0); -- level in pth
hit : std_logic;
ctx : std_logic_vector(M_CTX_SZ-1 downto 0); -- for diagnostic access
valid : std_logic; -- for diagnostic access
vaddr : std_logic_vector(31 downto 0); -- for diagnostic access
NEEDSYNC : std_logic;
WBNEEDSYNC : std_logic;
end record;
type mmutlbcamo_a is array (natural range <>) of mmutlbcam_out_type;
constant mmutlbcam_out_none : mmutlbcam_out_type := (zero32, "00",
'0', "00000000", '0', zero32, '0', '0');
-- mmu i/o
type mmuidc_data_in_type is record
data : std_logic_vector(31 downto 0);
su : std_logic;
read : std_logic;
isid : mmu_idcache;
wb_data : std_logic_vector(31 downto 0);
end record;
type mmuidc_data_out_type is record
finish : std_logic;
data : std_logic_vector(31 downto 0);
cache : std_logic;
accexc : std_logic;
end record;
constant mmuidco_zero : mmuidc_data_out_type := ('0', zero32, '0', '0');
type mmudc_in_type is record
trans_op : std_logic;
transdata : mmuidc_data_in_type;
-- dcache extra signals
flush_op : std_logic;
diag_op : std_logic;
wb_op : std_logic;
fsread : std_logic;
mmctrl1 : mmctrl_type1;
end record;
type mmudc_out_type is record
grant : std_logic;
transdata : mmuidc_data_out_type;
-- dcache extra signals
mmctrl2 : mmctrl_type2;
-- writebuffer out
wbtransdata : mmuidc_data_out_type;
tlbmiss : std_logic;
end record;
type mmuic_in_type is record
trans_op : std_logic;
transdata : mmuidc_data_in_type;
end record;
type mmuic_out_type is record
grant : std_logic;
transdata : mmuidc_data_out_type;
tlbmiss : std_logic;
end record;
constant mmudco_zero : mmudc_out_type := ('0', mmuidco_zero,
mmctrl2_zero, mmuidco_zero, '0');
constant mmuico_zero : mmuic_out_type := ('0', mmuidco_zero, '0');
--#lrue i/o
type mmulrue_in_type is record
touch : std_logic;
pos : std_logic_vector(M_ENT_MAX_LOG-1 downto 0);
clear : std_logic;
flush : std_logic;
left : std_logic_vector(M_ENT_MAX_LOG-1 downto 0);
fromleft : std_logic;
right : std_logic_vector(M_ENT_MAX_LOG-1 downto 0);
fromright : std_logic;
end record;
type mmulruei_a is array (natural range <>) of mmulrue_in_type;
type mmulrue_out_type is record
pos : std_logic_vector(M_ENT_MAX_LOG-1 downto 0);
movetop : std_logic;
end record;
constant mmulrue_out_none : mmulrue_out_type := (zero32(M_ENT_MAX_LOG-1 downto 0), '0');
type mmulrueo_a is array (natural range <>) of mmulrue_out_type;
--#lru i/o
type mmulru_in_type is record
touch : std_logic;
touchmin : std_logic;
flush : std_logic;
pos : std_logic_vector(M_ENT_MAX_LOG-1 downto 0);
mmctrl1 : mmctrl_type1;
end record;
type mmulru_out_type is record
pos : std_logic_vector(M_ENT_MAX_LOG-1 downto 0);
end record;
--#mmu: tw i/o
type memory_mm_in_type is record
address : std_logic_vector(31 downto 0);
data : std_logic_vector(31 downto 0);
size : std_logic_vector(1 downto 0);
burst : std_logic;
read : std_logic;
req : std_logic;
lock : std_logic;
end record;
constant mci_zero : memory_mm_in_type := (X"00000000", X"00000000",
"00", '0', '0', '0', '0');
type memory_mm_out_type is record
data : std_logic_vector(31 downto 0); -- memory data
ready : std_logic; -- cycle ready
grant : std_logic; --
retry : std_logic; --
mexc : std_logic; -- memory exception
werr : std_logic; -- memory write error
cache : std_logic; -- cacheable data
end record;
type mmutw_in_type is record
walk_op_ur : std_logic;
areq_ur : std_logic;
tlbmiss : std_logic;
data : std_logic_vector(31 downto 0);
adata : std_logic_vector(31 downto 0);
aaddr : std_logic_vector(31 downto 0);
end record;
type mmutwi_a is array (natural range <>) of mmutw_in_type;
type mmutw_out_type is record
finish : std_logic;
data : std_logic_vector(31 downto 0);
addr : std_logic_vector(31 downto 0);
lvl : std_logic_vector(1 downto 0);
fault_mexc : std_logic;
fault_trans : std_logic;
fault_inv : std_logic;
fault_lvl : std_logic_vector(1 downto 0);
end record;
type mmutwo_a is array (natural range <>) of mmutw_out_type;
-- mmu tlb i/o
type mmutlb_in_type is record
flush_op : std_logic;
wb_op : std_logic;
trans_op : std_logic;
transdata : mmuidc_data_in_type;
s2valid : std_logic;
mmctrl1 : mmctrl_type1;
-- fast writebuffer signals
tlbcami : mmutlbcami_a (M_ENT_MAX-1 downto 0);
end record;
type mmutlbi_a is array (natural range <>) of mmutlb_in_type;
type mmutlbfault_out_type is record
fault_pro : std_logic;
fault_pri : std_logic;
fault_access : std_logic;
fault_mexc : std_logic;
fault_trans : std_logic;
fault_inv : std_logic;
fault_lvl : std_logic_vector(1 downto 0);
fault_su : std_logic;
fault_read : std_logic;
fault_isid : mmu_idcache;
fault_addr : std_logic_vector(31 downto 0);
end record;
type mmutlb_out_type is record
transdata : mmuidc_data_out_type;
fault : mmutlbfault_out_type;
nexttrans : std_logic;
s1finished : std_logic;
-- fast writebuffer signals
tlbcamo : mmutlbcamo_a (M_ENT_MAX-1 downto 0);
-- writebuffer out
wbtransdata : mmuidc_data_out_type;
end record;
type mmutlbo_a is array (natural range <>) of mmutlb_out_type;
end;