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Pmpadrdecs test cases changing AdrMode to 2 or 3

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Setting AdrMode to 2 or 3 for pmpadrdecs[0-4] writing values to pmpcfg0 to change AdrMode to 2 or 3
Also exclusion for pmpadrdecs[0] coverage case for PAgePMPAdrIn being hardwired to 1 in pmpadrdec.sv
This commit is contained in:
Liam 2023-04-27 12:23:35 -07:00
parent e43de9c194
commit 6803347a49
4 changed files with 26 additions and 1 deletions
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2
sim/coverage-exclusions-rv64gc.do
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@ -201,3 +201,5 @@ coverage exclude -scope /dut/core/ifu/immu/immu/tlb/tlb/tlbcontrol -linerange $l
set line [GetLineNum ../src/generic/flop/floprc.sv "reset \\| clear"] set line [GetLineNum ../src/generic/flop/floprc.sv "reset \\| clear"]
coverage exclude -scope /dut/core/priv/priv/pmd/wfi/wficountreg -linerange $line-$line -item c 1 -feccondrow 2 coverage exclude -scope /dut/core/priv/priv/pmd/wfi/wficountreg -linerange $line-$line -item c 1 -feccondrow 2
# Excluding pmpadrdecs[0] coverage case for PAgePMPAdrIn being hardwired to 1
coverage exclude -scope /dut/core/ifu/immu/immu/pmp/pmpchecker/pmp/pmpadrdecs[0] -linerange [GetLineNum ../src/mmu/pmpadrdec.sv "exclusion-tag: PAgePMPAdrIn"] -item e 1 -fecexprrow 1

2
src/mmu/pmpadrdec.sv
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@ -63,7 +63,7 @@ module pmpadrdec (
assign CurrentAdrFull = {PMPAdr, 2'b00}; assign CurrentAdrFull = {PMPAdr, 2'b00};
assign PAltPMPAdr = {1'b0, PhysicalAddress} < {1'b0, CurrentAdrFull}; // unsigned comparison assign PAltPMPAdr = {1'b0, PhysicalAddress} < {1'b0, CurrentAdrFull}; // unsigned comparison
assign PAgePMPAdrOut = ~PAltPMPAdr; assign PAgePMPAdrOut = ~PAltPMPAdr;
assign TORMatch = PAgePMPAdrIn & PAltPMPAdr; assign TORMatch = PAgePMPAdrIn & PAltPMPAdr; // exclusion-tag: PAgePMPAdrIn
// Naturally aligned regions // Naturally aligned regions
logic [`PA_BITS-1:0] NAMask, NABase; logic [`PA_BITS-1:0] NAMask, NABase;

1
testbench/tests.vh
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@ -58,6 +58,7 @@ string tvpaths[] = '{
"pmpcfg", "pmpcfg",
"pmpcfg1", "pmpcfg1",
"pmpcfg2", "pmpcfg2",
"pmpadrdecs",
"tlbKP", "tlbKP",
"tlbMP", "tlbMP",
"tlbM3", "tlbM3",

22
tests/coverage/pmpadrdecs.S Normal file
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@ -0,0 +1,22 @@
// pmpadrdecs
// Liam Chalk, lchalk@hmc.edu, 4/27/2023
// Setting AdrMode to 2 or 3 for pmpadrdecs[0-4]
#include "WALLY-init-lib.h"
main:
# Writing values to pmpcfg0 to change AdrMode to 2 or 3
# pmpadrdec[0]
li t0, 0x0000000010
csrw pmpcfg0, t0
# pmpadrdec[1]
li t0, 0x0000001800
csrw pmpcfg0, t0
# pmpadrdec[2]
li t0, 0x0000180000
csrw pmpcfg0, t0
# pmpadrdec[4]
li t0, 0x1000000000
csrw pmpcfg0, t0
j done