Remove issue restrictions on a number of instructions

Anything that isn't a load or store and anything that doesn't read the
CR can go as soon as its inputs are ready.

While we could also allow SPR read/write and carry read/write, we plan
to change them to be read in decode2 and written in writeback soon and
they will need separate hazard detection to be added.

Signed-off-by: Anton Blanchard <anton@linux.ibm.com>
pull/101/head
Anton Blanchard 4 years ago committed by Anton Blanchard
parent bdc26b7527
commit bb65d0b899

@ -38,7 +38,7 @@ architecture rtl of control is

type reg_internal_type is record
state : state_type;
outstanding : integer range -1 to PIPELINE_DEPTH+2; -- XXX ?
outstanding : integer range -1 to PIPELINE_DEPTH+2;
end record;
constant reg_internal_init : reg_internal_type := (state => IDLE, outstanding => 0);

@ -96,6 +96,7 @@ begin
control0: process(clk)
begin
if rising_edge(clk) then
assert r_int.outstanding >= 0 and r_int.outstanding <= (PIPELINE_DEPTH+1) report "Outstanding bad " & integer'image(r_int.outstanding) severity failure;
r_int <= rin_int;
end if;
end process;
@ -112,7 +113,6 @@ begin
stall_tmp := '0';

if complete_in = '1' then
assert r_int.outstanding >= 0 and r_int.outstanding <= (PIPELINE_DEPTH+1) report "Outstanding bad " & integer'image(r_int.outstanding) severity failure;
v_int.outstanding := r_int.outstanding - 1;
end if;


@ -38,14 +38,14 @@ architecture behaviour of decode1 is
-- op in out A out in out len ext pipe
12 => (ALU, OP_ADD, RA, CONST_SI, NONE, RT, '0', '0', '0', '0', ZERO, '1', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- addic
13 => (ALU, OP_ADD, RA, CONST_SI, NONE, RT, '0', '0', '0', '0', ZERO, '1', NONE, '0', '0', '0', '0', '0', '0', ONE, '0', '1'), -- addic.
14 => (ALU, OP_ADD, RA_OR_ZERO, CONST_SI, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- addi
15 => (ALU, OP_ADD, RA_OR_ZERO, CONST_SI_HI, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- addis
28 => (ALU, OP_AND, NONE, CONST_UI, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', ONE, '0', '1'), -- andi.
29 => (ALU, OP_AND, NONE, CONST_UI_HI, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', ONE, '0', '1'), -- andis.
14 => (ALU, OP_ADD, RA_OR_ZERO, CONST_SI, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- addi
15 => (ALU, OP_ADD, RA_OR_ZERO, CONST_SI_HI, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- addis
28 => (ALU, OP_AND, NONE, CONST_UI, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', ONE, '0', '0'), -- andi.
29 => (ALU, OP_AND, NONE, CONST_UI_HI, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', ONE, '0', '0'), -- andis.
18 => (ALU, OP_B, NONE, CONST_LI, NONE, NONE, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '1', '1'), -- b
16 => (ALU, OP_BC, NONE, CONST_BD, NONE, NONE, '1', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '1', '1'), -- bc
11 => (ALU, OP_CMP, RA, CONST_SI, NONE, NONE, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- cmpi
10 => (ALU, OP_CMPL, RA, CONST_UI, NONE, NONE, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- cmpli
11 => (ALU, OP_CMP, RA, CONST_SI, NONE, NONE, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- cmpi
10 => (ALU, OP_CMPL, RA, CONST_UI, NONE, NONE, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- cmpli
34 => (LDST, OP_LOAD, RA_OR_ZERO, CONST_SI, NONE, RT, '0', '0', '0', '0', ZERO, '0', is1B, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- lbz
35 => (LDST, OP_LOAD, RA_OR_ZERO, CONST_SI, NONE, RT, '0', '0', '0', '0', ZERO, '0', is1B, '0', '0', '1', '0', '0', '0', NONE, '0', '1'), -- lbzu
42 => (LDST, OP_LOAD, RA_OR_ZERO, CONST_SI, NONE, RT, '0', '0', '0', '0', ZERO, '0', is2B, '0', '1', '0', '0', '0', '0', NONE, '0', '1'), -- lha
@ -55,11 +55,11 @@ architecture behaviour of decode1 is
32 => (LDST, OP_LOAD, RA_OR_ZERO, CONST_SI, NONE, RT, '0', '0', '0', '0', ZERO, '0', is4B, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- lwz
33 => (LDST, OP_LOAD, RA_OR_ZERO, CONST_SI, NONE, RT, '0', '0', '0', '0', ZERO, '0', is4B, '0', '0', '1', '0', '0', '0', NONE, '0', '1'), -- lwzu
7 => (MUL, OP_MUL_L64, RA, CONST_SI, NONE, RT, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '1', NONE, '0', '1'), -- mulli
24 => (ALU, OP_OR, NONE, CONST_UI, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- ori
25 => (ALU, OP_OR, NONE, CONST_UI_HI, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- oris
20 => (ALU, OP_RLC, RA, CONST_SH32, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0', '1'), -- rlwimi
21 => (ALU, OP_RLC, NONE, CONST_SH32, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0', '1'), -- rlwinm
23 => (ALU, OP_RLC, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0', '1'), -- rlwnm
24 => (ALU, OP_OR, NONE, CONST_UI, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- ori
25 => (ALU, OP_OR, NONE, CONST_UI_HI, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- oris
20 => (ALU, OP_RLC, RA, CONST_SH32, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0', '0'), -- rlwimi
21 => (ALU, OP_RLC, NONE, CONST_SH32, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0', '0'), -- rlwinm
23 => (ALU, OP_RLC, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0', '0'), -- rlwnm
38 => (LDST, OP_STORE, RA_OR_ZERO, CONST_SI, RS, NONE, '0', '0', '0', '0', ZERO, '0', is1B, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- stb
39 => (LDST, OP_STORE, RA_OR_ZERO, CONST_SI, RS, NONE, '0', '0', '0', '0', ZERO, '0', is1B, '0', '0', '1', '0', '0', '0', RC, '0', '1'), -- stbu
44 => (LDST, OP_STORE, RA_OR_ZERO, CONST_SI, RS, NONE, '0', '0', '0', '0', ZERO, '0', is2B, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- sth
@ -69,8 +69,8 @@ architecture behaviour of decode1 is
8 => (ALU, OP_ADD, RA, CONST_SI, NONE, RT, '0', '0', '1', '0', ONE, '1', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- subfic
2 => (ALU, OP_TDI, RA, CONST_SI, NONE, NONE, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- tdi
--PPC_TWI 3
26 => (ALU, OP_XOR, NONE, CONST_UI, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- xori
27 => (ALU, OP_XOR, NONE, CONST_UI_HI, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- xoris
26 => (ALU, OP_XOR, NONE, CONST_UI, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- xori
27 => (ALU, OP_XOR, NONE, CONST_UI_HI, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- xoris
others => illegal_inst
);

@ -115,16 +115,16 @@ architecture behaviour of decode1 is
constant decode_op_30_array : op_30_subop_array_t := (
-- unit internal in1 in2 in3 out CR CR inv inv cry cry ldst BR sgn upd rsrv 32b sgn rc lk sgl
-- op in out A out in out len ext pipe
2#0100# => (ALU, OP_RLC, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- rldic
2#0101# => (ALU, OP_RLC, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- rldic
2#0000# => (ALU, OP_RLCL, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- rldicl
2#0001# => (ALU, OP_RLCL, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- rldicl
2#0010# => (ALU, OP_RLCR, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- rldicr
2#0011# => (ALU, OP_RLCR, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- rldicr
2#0110# => (ALU, OP_RLC, RA, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- rldimi
2#0111# => (ALU, OP_RLC, RA, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- rldimi
2#1000# => (ALU, OP_RLCL, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- rldcl
2#1001# => (ALU, OP_RLCR, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- rldcr
2#0100# => (ALU, OP_RLC, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- rldic
2#0101# => (ALU, OP_RLC, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- rldic
2#0000# => (ALU, OP_RLCL, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- rldicl
2#0001# => (ALU, OP_RLCL, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- rldicl
2#0010# => (ALU, OP_RLCR, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- rldicr
2#0011# => (ALU, OP_RLCR, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- rldicr
2#0110# => (ALU, OP_RLC, RA, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- rldimi
2#0111# => (ALU, OP_RLC, RA, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- rldimi
2#1000# => (ALU, OP_RLCL, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- rldcl
2#1001# => (ALU, OP_RLCR, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- rldcr
others => illegal_inst
);

@ -132,23 +132,23 @@ architecture behaviour of decode1 is
constant decode_op_31_array : op_31_subop_array_t := (
-- unit internal in1 in2 in3 out CR CR inv inv cry cry ldst BR sgn upd rsrv 32b sgn rc lk sgl
-- op in out A out in out len ext pipe
2#0100001010# => (ALU, OP_ADD, RA, RB, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- add
2#0100001010# => (ALU, OP_ADD, RA, RB, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- add
2#0000001010# => (ALU, OP_ADD, RA, RB, NONE, RT, '0', '0', '0', '0', ZERO, '1', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- addc
2#0010001010# => (ALU, OP_ADD, RA, RB, NONE, RT, '0', '0', '0', '0', CA, '1', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- adde
2#0011101010# => (ALU, OP_ADD, RA, CONST_M1, NONE, RT, '0', '0', '0', '0', CA, '1', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- addme
2#0011001010# => (ALU, OP_ADD, RA, NONE, NONE, RT, '0', '0', '0', '0', CA, '1', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- addze
2#0000011100# => (ALU, OP_AND, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- and
2#0000111100# => (ALU, OP_AND, NONE, RB, RS, RA, '0', '0', '1', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- andc
2#0000011100# => (ALU, OP_AND, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- and
2#0000111100# => (ALU, OP_AND, NONE, RB, RS, RA, '0', '0', '1', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- andc
-- 2#0011111100# bperm
2#0000000000# => (ALU, OP_CMP, RA, RB, NONE, NONE, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- cmp
2#0111111100# => (ALU, OP_CMPB, NONE, RB, RS, RA, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- cmpb
2#0000000000# => (ALU, OP_CMP, RA, RB, NONE, NONE, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- cmp
2#0111111100# => (ALU, OP_CMPB, NONE, RB, RS, RA, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- cmpb
-- 2#0011100000# cmpeqb
2#0000100000# => (ALU, OP_CMPL, RA, RB, NONE, NONE, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- cmpl
2#0000100000# => (ALU, OP_CMPL, RA, RB, NONE, NONE, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- cmpl
-- 2#0011000000# cmprb
2#0000111010# => (ALU, OP_CNTZ, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- cntlzd
2#0000011010# => (ALU, OP_CNTZ, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0', '1'), -- cntlzw
2#1000111010# => (ALU, OP_CNTZ, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- cnttzd
2#1000011010# => (ALU, OP_CNTZ, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0', '1'), -- cnttzw
2#0000111010# => (ALU, OP_CNTZ, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- cntlzd
2#0000011010# => (ALU, OP_CNTZ, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0', '0'), -- cntlzw
2#1000111010# => (ALU, OP_CNTZ, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- cnttzd
2#1000011010# => (ALU, OP_CNTZ, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0', '0'), -- cnttzw
-- 2#1011110011# darn
2#0001010110# => (ALU, OP_NOP, NONE, NONE, NONE, NONE, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- dcbf
2#0000110110# => (ALU, OP_NOP, NONE, NONE, NONE, NONE, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- dcbst
@ -163,10 +163,10 @@ architecture behaviour of decode1 is
2#0111001011# => (DIV, OP_DIV, RA, RB, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- divwu
2#0111101001# => (DIV, OP_DIV, RA, RB, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- divd
2#0111101011# => (DIV, OP_DIV, RA, RB, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- divw
2#0100011100# => (ALU, OP_XOR, NONE, RB, RS, RA, '0', '0', '0', '1', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- eqv
2#1110111010# => (ALU, OP_EXTSB, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- extsb
2#1110011010# => (ALU, OP_EXTSH, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- extsh
2#1111011010# => (ALU, OP_EXTSW, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- extsw
2#0100011100# => (ALU, OP_XOR, NONE, RB, RS, RA, '0', '0', '0', '1', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- eqv
2#1110111010# => (ALU, OP_EXTSB, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- extsb
2#1110011010# => (ALU, OP_EXTSH, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- extsh
2#1111011010# => (ALU, OP_EXTSW, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- extsw
-- 2#110111101-# extswsli
2#1111010110# => (ALU, OP_NOP, NONE, NONE, NONE, NONE, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- icbi
2#0000010110# => (ALU, OP_NOP, NONE, NONE, NONE, NONE, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- icbt
@ -229,7 +229,7 @@ architecture behaviour of decode1 is
2#0100001011# => (DIV, OP_MOD, RA, RB, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- moduw
2#1100001001# => (DIV, OP_MOD, RA, RB, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- modsd
2#1100001011# => (DIV, OP_MOD, RA, RB, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- modsw
2#0010010000# => (ALU, OP_MTCRF, NONE, NONE, RS, NONE, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- mtcrf/mtocrf
2#0010010000# => (ALU, OP_MTCRF, NONE, NONE, RS, NONE, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- mtcrf/mtocrf
2#0111010011# => (ALU, OP_MTSPR, NONE, NONE, RS, NONE, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- mtspr
2#0001001001# => (MUL, OP_MUL_H64, RA, RB, NONE, RT, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '1', RC, '0', '1'), -- mulhd
2#0000001001# => (MUL, OP_MUL_H64, RA, RB, NONE, RT, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- mulhdu
@ -242,26 +242,26 @@ architecture behaviour of decode1 is
2#1000001011# => (MUL, OP_MUL_H32, RA, RB, NONE, RT, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0', '1'), -- mulhwu
2#0011101001# => (MUL, OP_MUL_L64, RA, RB, NONE, RT, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '1', RC, '0', '1'), -- mulld
2#0011101011# => (MUL, OP_MUL_L64, RA, RB, NONE, RT, '0', '1', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '1', RC, '0', '1'), -- mullw
2#0111011100# => (ALU, OP_AND, NONE, RB, RS, RA, '0', '0', '0', '1', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- nand
2#0001101000# => (ALU, OP_NEG, RA, RB, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- neg
2#0001111100# => (ALU, OP_OR, NONE, RB, RS, RA, '0', '0', '0', '1', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- nor
2#0110111100# => (ALU, OP_OR, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- or
2#0110011100# => (ALU, OP_OR, NONE, RB, RS, RA, '0', '0', '1', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- orc
2#0001111010# => (ALU, OP_POPCNTB, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- popcntb
2#0111111010# => (ALU, OP_POPCNTD, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- popcntd
2#0101111010# => (ALU, OP_POPCNTW, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- popcntw
2#0010111010# => (ALU, OP_PRTYD, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- prtyd
2#0010011010# => (ALU, OP_PRTYW, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- prtyw
2#0111011100# => (ALU, OP_AND, NONE, RB, RS, RA, '0', '0', '0', '1', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- nand
2#0001101000# => (ALU, OP_NEG, RA, RB, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- neg
2#0001111100# => (ALU, OP_OR, NONE, RB, RS, RA, '0', '0', '0', '1', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- nor
2#0110111100# => (ALU, OP_OR, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- or
2#0110011100# => (ALU, OP_OR, NONE, RB, RS, RA, '0', '0', '1', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- orc
2#0001111010# => (ALU, OP_POPCNTB, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- popcntb
2#0111111010# => (ALU, OP_POPCNTD, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- popcntd
2#0101111010# => (ALU, OP_POPCNTW, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- popcntw
2#0010111010# => (ALU, OP_PRTYD, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- prtyd
2#0010011010# => (ALU, OP_PRTYW, NONE, NONE, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0'), -- prtyw
-- 2#0010000000# setb
2#0000011011# => (ALU, OP_SHL, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- sld
2#0000011000# => (ALU, OP_SHL, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0', '1'), -- slw
2#1100011010# => (ALU, OP_SHR, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '1', NONE, '0', '0', '0', '0', '0', '1', RC, '0', '1'), -- srad
2#1100111010# => (ALU, OP_SHR, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '1', NONE, '0', '0', '0', '0', '0', '1', RC, '0', '1'), -- sradi
2#1100111011# => (ALU, OP_SHR, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '1', NONE, '0', '0', '0', '0', '0', '1', RC, '0', '1'), -- sradi
2#1100011000# => (ALU, OP_SHR, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '1', NONE, '0', '0', '0', '0', '1', '1', RC, '0', '1'), -- sraw
2#1100111000# => (ALU, OP_SHR, NONE, CONST_SH32, RS, RA, '0', '0', '0', '0', ZERO, '1', NONE, '0', '0', '0', '0', '1', '1', RC, '0', '1'), -- srawi
2#1000011011# => (ALU, OP_SHR, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- srd
2#1000011000# => (ALU, OP_SHR, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0', '1'), -- srw
2#0000011011# => (ALU, OP_SHL, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- sld
2#0000011000# => (ALU, OP_SHL, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0', '0'), -- slw
2#1100011010# => (ALU, OP_SHR, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '1', NONE, '0', '0', '0', '0', '0', '1', RC, '0', '0'), -- srad
2#1100111010# => (ALU, OP_SHR, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '1', NONE, '0', '0', '0', '0', '0', '1', RC, '0', '0'), -- sradi
2#1100111011# => (ALU, OP_SHR, NONE, CONST_SH, RS, RA, '0', '0', '0', '0', ZERO, '1', NONE, '0', '0', '0', '0', '0', '1', RC, '0', '0'), -- sradi
2#1100011000# => (ALU, OP_SHR, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '1', NONE, '0', '0', '0', '0', '1', '1', RC, '0', '0'), -- sraw
2#1100111000# => (ALU, OP_SHR, NONE, CONST_SH32, RS, RA, '0', '0', '0', '0', ZERO, '1', NONE, '0', '0', '0', '0', '1', '1', RC, '0', '0'), -- srawi
2#1000011011# => (ALU, OP_SHR, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- srd
2#1000011000# => (ALU, OP_SHR, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '1', '0', RC, '0', '0'), -- srw
2#1010110110# => (LDST, OP_STORE, RA_OR_ZERO, RB, RS, NONE, '0', '0', '0', '0', ZERO, '0', is1B, '0', '0', '0', '1', '0', '0', RC, '0', '1'), -- stbcx
2#0011110111# => (LDST, OP_STORE, RA_OR_ZERO, RB, RS, NONE, '0', '0', '0', '0', ZERO, '0', is1B, '0', '0', '1', '0', '0', '0', RC, '0', '1'), -- stbux
2#0011010111# => (LDST, OP_STORE, RA_OR_ZERO, RB, RS, NONE, '0', '0', '0', '0', ZERO, '0', is1B, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- stbx
@ -277,7 +277,7 @@ architecture behaviour of decode1 is
2#0010010110# => (LDST, OP_STORE, RA_OR_ZERO, RB, RS, NONE, '0', '0', '0', '0', ZERO, '0', is4B, '0', '0', '0', '1', '0', '0', NONE, '0', '1'), -- stwcx
2#0010110111# => (LDST, OP_STORE, RA_OR_ZERO, RB, RS, NONE, '0', '0', '0', '0', ZERO, '0', is4B, '0', '0', '1', '0', '0', '0', NONE, '0', '1'), -- stwux
2#0010010111# => (LDST, OP_STORE, RA_OR_ZERO, RB, RS, NONE, '0', '0', '0', '0', ZERO, '0', is4B, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- stwx
2#0000101000# => (ALU, OP_ADD, RA, RB, NONE, RT, '0', '0', '1', '0', ONE, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- subf
2#0000101000# => (ALU, OP_ADD, RA, RB, NONE, RT, '0', '0', '1', '0', ONE, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- subf
2#0000001000# => (ALU, OP_ADD, RA, RB, NONE, RT, '0', '0', '1', '0', ONE, '1', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- subfc
2#0010001000# => (ALU, OP_ADD, RA, RB, NONE, RT, '0', '0', '1', '0', CA, '1', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- subfe
2#0011101000# => (ALU, OP_ADD, RA, CONST_M1, NONE, RT, '0', '0', '1', '0', CA, '1', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- subfme
@ -285,7 +285,7 @@ architecture behaviour of decode1 is
2#1001010110# => (ALU, OP_NOP, NONE, NONE, NONE, NONE, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- sync
-- 2#0001000100# td
2#0000000100# => (ALU, OP_TW, RA, RB, NONE, NONE, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1'), -- tw
2#0100111100# => (ALU, OP_XOR, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1'), -- xor
2#0100111100# => (ALU, OP_XOR, NONE, RB, RS, RA, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '0'), -- xor
others => illegal_inst
);

@ -309,7 +309,7 @@ architecture behaviour of decode1 is
-- unit internal in1 in2 in3 out CR CR inv inv cry cry ldst BR sgn upd rsrv 32b sgn rc lk sgl
-- op in out A out in out len ext pipe
constant attn_instr : decode_rom_t := (ALU, OP_ILLEGAL, NONE, NONE, NONE, NONE, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', RC, '0', '1');
constant nop_instr : decode_rom_t := (ALU, OP_NOP, NONE, NONE, NONE, NONE, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1');
constant nop_instr : decode_rom_t := (ALU, OP_NOP, NONE, NONE, NONE, NONE, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '0');
constant sim_cfg_instr : decode_rom_t := (ALU, OP_SIM_CONFIG,NONE, NONE, NONE, RT, '0', '0', '0', '0', ZERO, '0', NONE, '0', '0', '0', '0', '0', '0', NONE, '0', '1');

begin

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