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authorAndrew Waterman <andrew@sifive.com>2018-09-23 21:11:53 -0700
committerAndrew Waterman <andrew@sifive.com>2018-09-23 21:12:06 -0700
commit4c356d46aace73c1562816a41e0f63948bdb0497 (patch)
tree0dffa5b7d95a660f84773f7d6414ece04b4bd0e4 /p
parent8d6a8bac53b6aeedc3e460a4b9cdcb070591f697 (diff)
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Avoid writing reserved values to pmpaddr CSR
Diffstat (limited to 'p')
-rw-r--r--p/riscv_test.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/p/riscv_test.h b/p/riscv_test.h
index 3fbcb50..7cb00d5 100644
--- a/p/riscv_test.h
+++ b/p/riscv_test.h
@@ -56,7 +56,8 @@
#define INIT_PMP \
la t0, 1f; \
csrw mtvec, t0; \
- li t0, -1; /* Set up a PMP to permit all accesses */ \
+ /* Set up a PMP to permit all accesses */ \
+ li t0, (1 << (31 + (__riscv_xlen / 64) * (53 - 31))) - 1; \
csrw pmpaddr0, t0; \
li t0, PMP_NAPOT | PMP_R | PMP_W | PMP_X; \
csrw pmpcfg0, t0; \