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-rw-r--r--boards/qemu-virt/qemu-virt.s3
1 files changed, 3 insertions, 0 deletions
diff --git a/boards/qemu-virt/qemu-virt.s b/boards/qemu-virt/qemu-virt.s
index bd32676..f0599da 100644
--- a/boards/qemu-virt/qemu-virt.s
+++ b/boards/qemu-virt/qemu-virt.s
@@ -60,6 +60,9 @@ _start:
li t0, -1
csrw pmpaddr0, t0
+ ## Since we adjusted PMP settings, we need to issue an SFENCE.VMA.
+ sfence.vma
+
## Jump to supervisor mode.
mret
.size _start, . - _start