diff mbox series

[v4,18/19] hw/arm/smmuv3: Advertise S2FWB

Message ID 20240701110241.2005222-19-smostafa@google.com (mailing list archive)
State New
Headers show
Series SMMUv3 nested translation support | expand

Commit Message

Mostafa Saleh July 1, 2024, 11:02 a.m. UTC 
QEMU doesn's support memory attributes, so FWB is NOP, this
might change in the future if memory attributre would be supported.

Signed-off-by: Mostafa Saleh <smostafa@google.com>
---
 hw/arm/smmuv3.c | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c
index 807f26f2da..88378e83dd 100644
--- a/hw/arm/smmuv3.c
+++ b/hw/arm/smmuv3.c
@@ -287,6 +287,14 @@  static void smmuv3_init_regs(SMMUv3State *s)
     if (FIELD_EX32(s->idr[0], IDR0, S2P)) {
         /* XNX is a stage-2-specific feature */
         s->idr[3] = FIELD_DP32(s->idr[3], IDR3, XNX, 1);
+        if (FIELD_EX32(s->idr[0], IDR0, S1P)) {
+            /*
+             * QEMU doesn's support memory attributes, so FWB is NOP, this
+             * might change in the future if memory attributre would be
+             * supported.
+             */
+           s->idr[3] = FIELD_DP32(s->idr[3], IDR3, FWB, 1);
+        }
     }
     s->idr[3] = FIELD_DP32(s->idr[3], IDR3, RIL, 1);
     s->idr[3] = FIELD_DP32(s->idr[3], IDR3, BBML, 2);