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-rw-r--r--machine/minit.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/machine/minit.c b/machine/minit.c
index c584e9d..68c29ad 100644
--- a/machine/minit.c
+++ b/machine/minit.c
@@ -153,7 +153,7 @@ void enter_supervisor_mode(void (*fn)(uintptr_t), uintptr_t arg0, uintptr_t arg1
{
// Set up a PMP to permit access to all of memory.
// Ignore the illegal-instruction trap if PMPs aren't supported.
- uintptr_t pmpc = PMP_EN | PMP_NAPOT | PMP_M | PMP_R | PMP_W | PMP_X;
+ uintptr_t pmpc = PMP_NAPOT | PMP_R | PMP_W | PMP_X;
asm volatile ("la t0, 1f\n\t"
"csrrw t0, mtvec, t0\n\t"
"csrw pmpaddr0, %1\n\t"