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[PATCH v4 18/19] hw/arm/smmuv3: Advertise S2FWB
From: |
Mostafa Saleh |
Subject: |
[PATCH v4 18/19] hw/arm/smmuv3: Advertise S2FWB |
Date: |
Mon, 1 Jul 2024 11:02:40 +0000 |
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 --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);
--
2.45.2.803.g4e1b14247a-goog
[PATCH v4 14/19] hw/arm/smmu: Support nesting in the rest of commands, Mostafa Saleh, 2024/07/01
[PATCH v4 19/19] hw/arm/smmu: Refactor SMMU OAS, Mostafa Saleh, 2024/07/01
[PATCH v4 17/19] hw/arm/smmuv3: Support and advertise nesting, Mostafa Saleh, 2024/07/01