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Completely covers all PMPCFG_ARRAY_REGW cases

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This commit is contained in:
Kevin Wan 2023-04-18 21:50:48 -07:00
parent 3ef81f4e6a
commit 20a0803f46
5 changed files with 71 additions and 2 deletions
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4
testbench/tests.vh
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@ -54,8 +54,10 @@ string tvpaths[] = '{
"vm64check",
"pmp",
"pmpcfg",
"pmpcfg1",
"pmpcfg2",
"tlbKP"
};
string coremark[] = '{

8
tests/coverage/pmpcfg.S
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@ -1,4 +1,7 @@
// pmpcfg supplemental
// pmpcfg part 1
// Kevin Wan, kewan@hmc.edu, 4/18/2023
// locks each pmpXcfg bit field in order, from X = 15 to X = 0, with the A[1:0] field set to TOR.
// See the next part in pmpcfg1.S
#include "WALLY-init-lib.h"
main:
@ -16,6 +19,8 @@ main:
csrw pmpcfg2, t0
li t0, 0x8800
csrw pmpcfg2, t0
li t0, 0x88
csrw pmpcfg2, t0
li t0, 0x8800000000000000
csrw pmpcfg0, t0
li t0, 0x88000000000000
@ -30,4 +35,5 @@ main:
csrw pmpcfg0, t0
li t0, 0x8800
csrw pmpcfg0, t0
j done

48
tests/coverage/pmpcfg1.S Normal file
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@ -0,0 +1,48 @@
// another set of pmpcfg tests. A new file is made because pmpcfg register fields are
// locked forever after writing 1 to the lock bit for the first time.
// Kevin Wan, kewan@hmc.edu, 4/13/2023
// This set tests locking the pmpXcfg fields in descending order again, without setting the TOR bits.
// for the other part of the tests, see pmpcfg.S
#include "WALLY-init-lib.h"
main:
li t0, 0x800
csrw pmpcfg0, t0
li t0, 0x8000000
csrw pmpcfg0, t0
li t0, 0x8000000000000000
csrw pmpcfg2, t0
li t0, 0x80000000000000
csrw pmpcfg2, t0
li t0, 0x800000000000
csrw pmpcfg2, t0
li t0, 0x8000000000
csrw pmpcfg2, t0
li t0, 0x80000000
csrw pmpcfg2, t0
li t0, 0x800000
csrw pmpcfg2, t0
li t0, 0x8000
csrw pmpcfg2, t0
li t0, 0x80
csrw pmpcfg2, t0
li t0, 0x8000000000000000
csrw pmpcfg0, t0
li t0, 0x80000000000000
csrw pmpcfg0, t0
li t0, 0x800000000000
csrw pmpcfg0, t0
li t0, 0x8000000000
csrw pmpcfg0, t0
li t0, 0x80000000
csrw pmpcfg0, t0
li t0, 0x800000
csrw pmpcfg0, t0
li t0, 0x8000
csrw pmpcfg0, t0
j done

12
tests/coverage/pmpcfg2.S Normal file
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@ -0,0 +1,12 @@
// pmpcfg part 3
// Kevin Wan, kewan@hmc.edu, 4/18/2023
// locks each pmpXcfg bit field in order, from X = 15 to X = 0, with the A[1:0] field set to TOR.
// See the next part in pmpcfg1.S
#include "WALLY-init-lib.h"
main:
li t0, 0x80
csrw pmpcfg0, t0
j done

1
tests/coverage/priv.S
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@ -189,6 +189,7 @@ main:
li t1, -1
csrw mcounteren, t1
# Go to supervisor mode
li a0, 1
ecall