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[RFC PATCH 09/12] hw/arm/smmuv3: Advertise S2FWB
From: |
Mostafa Saleh |
Subject: |
[RFC PATCH 09/12] hw/arm/smmuv3: Advertise S2FWB |
Date: |
Mon, 25 Mar 2024 10:14:05 +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 e5373f4cfe..288e7cf1ae 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);
--
2.44.0.396.g6e790dbe36-goog
- [RFC PATCH 00/12] SMMUv3 nested translation support, Mostafa Saleh, 2024/03/25
- [RFC PATCH 02/12] hw/arm/smmu: Split smmuv3_translate(), Mostafa Saleh, 2024/03/25
- [RFC PATCH 01/12] hw/arm/smmu: Use enum for SMMU stage, Mostafa Saleh, 2024/03/25
- [RFC PATCH 03/12] hw/arm/smmu: Add stage to TLB, Mostafa Saleh, 2024/03/25
- [RFC PATCH 04/12] hw/arm/smmu: Support nesting in commands, Mostafa Saleh, 2024/03/25
- [RFC PATCH 06/12] hw/arm/smmuv3: Translate CD and TT using stage-2 table, Mostafa Saleh, 2024/03/25
- [RFC PATCH 05/12] hw/arm/smmuv3: Support nested SMMUs in smmuv3_notify_iova(), Mostafa Saleh, 2024/03/25
- [RFC PATCH 07/12] hw/arm/smmu-common: Support nested translation, Mostafa Saleh, 2024/03/25
- [RFC PATCH 08/12] hw/arm/smmuv3: Support and advertise nesting, Mostafa Saleh, 2024/03/25
- [RFC PATCH 09/12] hw/arm/smmuv3: Advertise S2FWB,
Mostafa Saleh <=
- [RFC PATCH 10/12] hw/arm/smmu: Refactor SMMU OAS, Mostafa Saleh, 2024/03/25
- [RFC PATCH 11/12] hw/arm/smmuv3: Add property for OAS, Mostafa Saleh, 2024/03/25
- [RFC PATCH 12/12] hw/arm/virt: Set SMMU OAS based on CPU PARANGE, Mostafa Saleh, 2024/03/25
- Re: [RFC PATCH 00/12] SMMUv3 nested translation support, Marcin Juszkiewicz, 2024/03/25