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mmu-val_v1
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Zhengyue Zhao
mmu-val_v1
Commits
4727bb3e
Commit
4727bb3e
authored
Dec 13, 2021
by
Zhengyue Zhao
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4727bb3e
module
RISCV_pt
(
PTE_address
,
PTE_valid
,
PTE_ply
,
PTE_out
,
PTE_out_valid
,
)
;
input
[
31
:
0
]
PTE_address
;
input
PTE_valid
;
input
[
1
:
0
]
PTE_ply
;
output
[
31
:
0
]
PTE_out
;
output
PTE_valid
;
parameter
PTE_1_num
=
1024
;
parameter
PTE_2_num
=
1024
*
1024
;
integer
i
;
wire
[
31
:
0
]
PTE_1
[
PTE_1_num
-
1
:
0
]
;
wire
[
31
:
0
]
PTE_2
[
PTE_2_num
-
1
:
0
]
;
for
(
i
=
0
;
i
<
PTE_1
;
i
=
i
+
1
)
assign
PTE_1
[
i
]
=
i
[
20
:
0
]
+
12
{{
$
random
}%
2
};
for
(
i
=
0
;
i
<
PTE_2_num
;
i
=
i
+
1
)
assign
PTE_2
[
i
]
=
i
[
20
:
0
]
+
12
{{
$
random
}%
2
};
if
(
PTE_valid
&&
PTE_ply
==
2'b01
)
begin
assign
PTE_out
=
PTE_1
[
PTE_address
[
31
:
22
]]
;
assign
PTE_out_valid
=
1'b1
;
end
else
if
(
PTE_valid
&&
PTE_ply
==
2'b10
)
begin
assign
PTE_out
=
PTE_2
[
PTE_address
[
31
:
12
]]
;
assign
PTE_out_valid
=
1'b1
;
end
else
begin
assign
PTE_out
=
32'h00000000
;
assign
PTE_out_valid
=
1'b0
;
end
endmodule
\ No newline at end of file
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