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common: Reformat

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Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
pull/109/head
Benjamin Herrenschmidt 5 years ago
parent bddc9327cc
commit 60b05ee1e5
1 changed files with 206 additions and 206 deletions
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412
common.vhdl
Unescape Escape View File

@ -5,212 +5,212 @@ library work;
use work.decode_types.all; use work.decode_types.all;


package common is package common is
type ctrl_t is record type ctrl_t is record
lr: std_ulogic_vector(63 downto 0); lr: std_ulogic_vector(63 downto 0);
ctr: std_ulogic_vector(63 downto 0); ctr: std_ulogic_vector(63 downto 0);
tb: std_ulogic_vector(63 downto 0); tb: std_ulogic_vector(63 downto 0);
carry: std_ulogic; carry: std_ulogic;
end record; end record;


type Fetch1ToIcacheType is record type Fetch1ToIcacheType is record
req: std_ulogic; req: std_ulogic;
stop_mark: std_ulogic; stop_mark: std_ulogic;
nia: std_ulogic_vector(63 downto 0); nia: std_ulogic_vector(63 downto 0);
end record; end record;


type IcacheToFetch2Type is record type IcacheToFetch2Type is record
valid: std_ulogic; valid: std_ulogic;
stop_mark: std_ulogic; stop_mark: std_ulogic;
nia: std_ulogic_vector(63 downto 0); nia: std_ulogic_vector(63 downto 0);
insn: std_ulogic_vector(31 downto 0); insn: std_ulogic_vector(31 downto 0);
end record; end record;


type Fetch2ToDecode1Type is record type Fetch2ToDecode1Type is record
valid: std_ulogic; valid: std_ulogic;
stop_mark : std_ulogic; stop_mark : std_ulogic;
nia: std_ulogic_vector(63 downto 0); nia: std_ulogic_vector(63 downto 0);
insn: std_ulogic_vector(31 downto 0); insn: std_ulogic_vector(31 downto 0);
end record; end record;
constant Fetch2ToDecode1Init : Fetch2ToDecode1Type := (valid => '0', stop_mark => '0', others => (others => '0')); constant Fetch2ToDecode1Init : Fetch2ToDecode1Type := (valid => '0', stop_mark => '0', others => (others => '0'));


type Decode1ToDecode2Type is record type Decode1ToDecode2Type is record
valid: std_ulogic; valid: std_ulogic;
stop_mark : std_ulogic; stop_mark : std_ulogic;
nia: std_ulogic_vector(63 downto 0); nia: std_ulogic_vector(63 downto 0);
insn: std_ulogic_vector(31 downto 0); insn: std_ulogic_vector(31 downto 0);
decode: decode_rom_t; decode: decode_rom_t;
end record; end record;
constant Decode1ToDecode2Init : Decode1ToDecode2Type := (valid => '0', stop_mark => '0', decode => decode_rom_init, others => (others => '0')); constant Decode1ToDecode2Init : Decode1ToDecode2Type := (valid => '0', stop_mark => '0', decode => decode_rom_init, others => (others => '0'));


type Decode2ToExecute1Type is record type Decode2ToExecute1Type is record
valid: std_ulogic; valid: std_ulogic;
insn_type: insn_type_t; insn_type: insn_type_t;
nia: std_ulogic_vector(63 downto 0); nia: std_ulogic_vector(63 downto 0);
write_reg: std_ulogic_vector(4 downto 0); write_reg: std_ulogic_vector(4 downto 0);
read_reg1: std_ulogic_vector(4 downto 0); read_reg1: std_ulogic_vector(4 downto 0);
read_reg2: std_ulogic_vector(4 downto 0); read_reg2: std_ulogic_vector(4 downto 0);
read_data1: std_ulogic_vector(63 downto 0); read_data1: std_ulogic_vector(63 downto 0);
read_data2: std_ulogic_vector(63 downto 0); read_data2: std_ulogic_vector(63 downto 0);
read_data3: std_ulogic_vector(63 downto 0); read_data3: std_ulogic_vector(63 downto 0);
cr: std_ulogic_vector(31 downto 0); cr: std_ulogic_vector(31 downto 0);
lr: std_ulogic; lr: std_ulogic;
rc: std_ulogic; rc: std_ulogic;
invert_a: std_ulogic; invert_a: std_ulogic;
invert_out: std_ulogic; invert_out: std_ulogic;
input_carry: carry_in_t; input_carry: carry_in_t;
output_carry: std_ulogic; output_carry: std_ulogic;
input_cr: std_ulogic; input_cr: std_ulogic;
output_cr: std_ulogic; output_cr: std_ulogic;
is_32bit: std_ulogic; is_32bit: std_ulogic;
is_signed: std_ulogic; is_signed: std_ulogic;
insn: std_ulogic_vector(31 downto 0); insn: std_ulogic_vector(31 downto 0);
data_len: std_ulogic_vector(3 downto 0); data_len: std_ulogic_vector(3 downto 0);
end record; end record;
constant Decode2ToExecute1Init : Decode2ToExecute1Type := constant Decode2ToExecute1Init : Decode2ToExecute1Type :=
(valid => '0', insn_type => OP_ILLEGAL, lr => '0', rc => '0', invert_a => '0', (valid => '0', insn_type => OP_ILLEGAL, lr => '0', rc => '0', invert_a => '0',
invert_out => '0', input_carry => ZERO, output_carry => '0', input_cr => '0', output_cr => '0', invert_out => '0', input_carry => ZERO, output_carry => '0', input_cr => '0', output_cr => '0',
is_32bit => '0', is_signed => '0', others => (others => '0')); is_32bit => '0', is_signed => '0', others => (others => '0'));


type Decode2ToMultiplyType is record type Decode2ToMultiplyType is record
valid: std_ulogic; valid: std_ulogic;
insn_type: insn_type_t; insn_type: insn_type_t;
write_reg: std_ulogic_vector(4 downto 0); write_reg: std_ulogic_vector(4 downto 0);
data1: std_ulogic_vector(64 downto 0); data1: std_ulogic_vector(64 downto 0);
data2: std_ulogic_vector(64 downto 0); data2: std_ulogic_vector(64 downto 0);
rc: std_ulogic; rc: std_ulogic;
end record; end record;
constant Decode2ToMultiplyInit : Decode2ToMultiplyType := (valid => '0', insn_type => OP_ILLEGAL, rc => '0', others => (others => '0')); constant Decode2ToMultiplyInit : Decode2ToMultiplyType := (valid => '0', insn_type => OP_ILLEGAL, rc => '0', others => (others => '0'));


type Decode2ToDividerType is record type Decode2ToDividerType is record
valid: std_ulogic; valid: std_ulogic;
write_reg: std_ulogic_vector(4 downto 0); write_reg: std_ulogic_vector(4 downto 0);
dividend: std_ulogic_vector(63 downto 0); dividend: std_ulogic_vector(63 downto 0);
divisor: std_ulogic_vector(63 downto 0); divisor: std_ulogic_vector(63 downto 0);
is_signed: std_ulogic; is_signed: std_ulogic;
is_32bit: std_ulogic; is_32bit: std_ulogic;
is_extended: std_ulogic; is_extended: std_ulogic;
is_modulus: std_ulogic; is_modulus: std_ulogic;
rc: std_ulogic; rc: std_ulogic;
end record; end record;
constant Decode2ToDividerInit: Decode2ToDividerType := (valid => '0', is_signed => '0', is_32bit => '0', is_extended => '0', is_modulus => '0', rc => '0', others => (others => '0')); constant Decode2ToDividerInit: Decode2ToDividerType := (valid => '0', is_signed => '0', is_32bit => '0', is_extended => '0', is_modulus => '0', rc => '0', others => (others => '0'));


type Decode2ToRegisterFileType is record type Decode2ToRegisterFileType is record
read1_enable : std_ulogic; read1_enable : std_ulogic;
read1_reg : std_ulogic_vector(4 downto 0); read1_reg : std_ulogic_vector(4 downto 0);
read2_enable : std_ulogic; read2_enable : std_ulogic;
read2_reg : std_ulogic_vector(4 downto 0); read2_reg : std_ulogic_vector(4 downto 0);
read3_enable : std_ulogic; read3_enable : std_ulogic;
read3_reg : std_ulogic_vector(4 downto 0); read3_reg : std_ulogic_vector(4 downto 0);
end record; end record;


type RegisterFileToDecode2Type is record type RegisterFileToDecode2Type is record
read1_data : std_ulogic_vector(63 downto 0); read1_data : std_ulogic_vector(63 downto 0);
read2_data : std_ulogic_vector(63 downto 0); read2_data : std_ulogic_vector(63 downto 0);
read3_data : std_ulogic_vector(63 downto 0); read3_data : std_ulogic_vector(63 downto 0);
end record; end record;


type Decode2ToCrFileType is record type Decode2ToCrFileType is record
read : std_ulogic; read : std_ulogic;
end record; end record;


type CrFileToDecode2Type is record type CrFileToDecode2Type is record
read_cr_data : std_ulogic_vector(31 downto 0); read_cr_data : std_ulogic_vector(31 downto 0);
end record; end record;


type Execute1ToFetch1Type is record type Execute1ToFetch1Type is record
redirect: std_ulogic; redirect: std_ulogic;
redirect_nia: std_ulogic_vector(63 downto 0); redirect_nia: std_ulogic_vector(63 downto 0);
end record; end record;
constant Execute1ToFetch1TypeInit : Execute1ToFetch1Type := (redirect => '0', others => (others => '0')); constant Execute1ToFetch1TypeInit : Execute1ToFetch1Type := (redirect => '0', others => (others => '0'));


type Decode2ToLoadstore1Type is record type Decode2ToLoadstore1Type is record
valid : std_ulogic; valid : std_ulogic;
load : std_ulogic; -- is this a load or store load : std_ulogic; -- is this a load or store
addr1 : std_ulogic_vector(63 downto 0); addr1 : std_ulogic_vector(63 downto 0);
addr2 : std_ulogic_vector(63 downto 0); addr2 : std_ulogic_vector(63 downto 0);
data : std_ulogic_vector(63 downto 0); -- data to write, unused for read data : std_ulogic_vector(63 downto 0); -- data to write, unused for read
write_reg : std_ulogic_vector(4 downto 0); -- read data goes to this register write_reg : std_ulogic_vector(4 downto 0); -- read data goes to this register
length : std_ulogic_vector(3 downto 0); length : std_ulogic_vector(3 downto 0);
byte_reverse : std_ulogic; byte_reverse : std_ulogic;
sign_extend : std_ulogic; -- do we need to sign extend? sign_extend : std_ulogic; -- do we need to sign extend?
update : std_ulogic; -- is this an update instruction? update : std_ulogic; -- is this an update instruction?
update_reg : std_ulogic_vector(4 downto 0); -- if so, the register to update update_reg : std_ulogic_vector(4 downto 0); -- if so, the register to update
end record; end record;
constant Decode2ToLoadstore1Init : Decode2ToLoadstore1Type := (valid => '0', load => '0', byte_reverse => '0', sign_extend => '0', update => '0', others => (others => '0')); constant Decode2ToLoadstore1Init : Decode2ToLoadstore1Type := (valid => '0', load => '0', byte_reverse => '0', sign_extend => '0', update => '0', others => (others => '0'));


type Loadstore1ToLoadstore2Type is record type Loadstore1ToLoadstore2Type is record
valid : std_ulogic; valid : std_ulogic;
load : std_ulogic; load : std_ulogic;
addr : std_ulogic_vector(63 downto 0); addr : std_ulogic_vector(63 downto 0);
data : std_ulogic_vector(63 downto 0); data : std_ulogic_vector(63 downto 0);
write_reg : std_ulogic_vector(4 downto 0); write_reg : std_ulogic_vector(4 downto 0);
length : std_ulogic_vector(3 downto 0); length : std_ulogic_vector(3 downto 0);
byte_reverse : std_ulogic; byte_reverse : std_ulogic;
sign_extend : std_ulogic; sign_extend : std_ulogic;
update : std_ulogic; update : std_ulogic;
update_reg : std_ulogic_vector(4 downto 0); update_reg : std_ulogic_vector(4 downto 0);
end record; end record;


type Loadstore2ToWritebackType is record type Loadstore2ToWritebackType is record
valid : std_ulogic; valid : std_ulogic;
write_enable: std_ulogic; write_enable: std_ulogic;
write_reg : std_ulogic_vector(4 downto 0); write_reg : std_ulogic_vector(4 downto 0);
write_data : std_ulogic_vector(63 downto 0); write_data : std_ulogic_vector(63 downto 0);
write_len : std_ulogic_vector(3 downto 0); write_len : std_ulogic_vector(3 downto 0);
write_shift : std_ulogic_vector(2 downto 0); write_shift : std_ulogic_vector(2 downto 0);
sign_extend : std_ulogic; sign_extend : std_ulogic;
byte_reverse : std_ulogic; byte_reverse : std_ulogic;
second_word : std_ulogic; second_word : std_ulogic;
end record; end record;
constant Loadstore2ToWritebackInit : Loadstore2ToWritebackType := (valid => '0', write_enable => '0', sign_extend => '0', byte_reverse => '0', second_word => '0', others => (others => '0')); constant Loadstore2ToWritebackInit : Loadstore2ToWritebackType := (valid => '0', write_enable => '0', sign_extend => '0', byte_reverse => '0', second_word => '0', others => (others => '0'));


type Execute1ToWritebackType is record type Execute1ToWritebackType is record
valid: std_ulogic; valid: std_ulogic;
rc : std_ulogic; rc : std_ulogic;
write_enable : std_ulogic; write_enable : std_ulogic;
write_reg: std_ulogic_vector(4 downto 0); write_reg: std_ulogic_vector(4 downto 0);
write_data: std_ulogic_vector(63 downto 0); write_data: std_ulogic_vector(63 downto 0);
write_len : std_ulogic_vector(3 downto 0); write_len : std_ulogic_vector(3 downto 0);
write_cr_enable : std_ulogic; write_cr_enable : std_ulogic;
write_cr_mask : std_ulogic_vector(7 downto 0); write_cr_mask : std_ulogic_vector(7 downto 0);
write_cr_data : std_ulogic_vector(31 downto 0); write_cr_data : std_ulogic_vector(31 downto 0);
sign_extend: std_ulogic; sign_extend: std_ulogic;
end record; end record;
constant Execute1ToWritebackInit : Execute1ToWritebackType := (valid => '0', rc => '0', write_enable => '0', write_cr_enable => '0', sign_extend => '0', others => (others => '0')); constant Execute1ToWritebackInit : Execute1ToWritebackType := (valid => '0', rc => '0', write_enable => '0', write_cr_enable => '0', sign_extend => '0', others => (others => '0'));


type MultiplyToWritebackType is record type MultiplyToWritebackType is record
valid: std_ulogic; valid: std_ulogic;


write_reg_enable : std_ulogic; write_reg_enable : std_ulogic;
write_reg_nr: std_ulogic_vector(4 downto 0); write_reg_nr: std_ulogic_vector(4 downto 0);
write_reg_data: std_ulogic_vector(63 downto 0); write_reg_data: std_ulogic_vector(63 downto 0);
rc: std_ulogic; rc: std_ulogic;
end record; end record;
constant MultiplyToWritebackInit : MultiplyToWritebackType := (valid => '0', write_reg_enable => '0', rc => '0', others => (others => '0')); constant MultiplyToWritebackInit : MultiplyToWritebackType := (valid => '0', write_reg_enable => '0', rc => '0', others => (others => '0'));


type DividerToWritebackType is record type DividerToWritebackType is record
valid: std_ulogic; valid: std_ulogic;


write_reg_enable : std_ulogic; write_reg_enable : std_ulogic;
write_reg_nr: std_ulogic_vector(4 downto 0); write_reg_nr: std_ulogic_vector(4 downto 0);
write_reg_data: std_ulogic_vector(63 downto 0); write_reg_data: std_ulogic_vector(63 downto 0);
rc: std_ulogic; rc: std_ulogic;
end record; end record;
constant DividerToWritebackInit : DividerToWritebackType := (valid => '0', write_reg_enable => '0', rc => '0', others => (others => '0')); constant DividerToWritebackInit : DividerToWritebackType := (valid => '0', write_reg_enable => '0', rc => '0', others => (others => '0'));


type WritebackToRegisterFileType is record type WritebackToRegisterFileType is record
write_reg : std_ulogic_vector(4 downto 0); write_reg : std_ulogic_vector(4 downto 0);
write_data : std_ulogic_vector(63 downto 0); write_data : std_ulogic_vector(63 downto 0);
write_enable : std_ulogic; write_enable : std_ulogic;
end record; end record;
constant WritebackToRegisterFileInit : WritebackToRegisterFileType := (write_enable => '0', others => (others => '0')); constant WritebackToRegisterFileInit : WritebackToRegisterFileType := (write_enable => '0', others => (others => '0'));


type WritebackToCrFileType is record type WritebackToCrFileType is record
write_cr_enable : std_ulogic; write_cr_enable : std_ulogic;
write_cr_mask : std_ulogic_vector(7 downto 0); write_cr_mask : std_ulogic_vector(7 downto 0);
write_cr_data : std_ulogic_vector(31 downto 0); write_cr_data : std_ulogic_vector(31 downto 0);
end record; end record;
constant WritebackToCrFileInit : WritebackToCrFileType := (write_cr_enable => '0', others => (others => '0')); constant WritebackToCrFileInit : WritebackToCrFileType := (write_cr_enable => '0', others => (others => '0'));
end common; end common;


package body common is package body common is

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