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target: riscv: Add Svrsw60t59b extension support

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The Svrsw60t59b extension allows to free the PTE reserved bits 60 and 59
for software to use.

Reviewed-by: Deepak Gupta <debug@rivosinc.com>
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Nutty Liu<liujingqi@lanxincomputing.com>
Message-ID: <20250702-dev-alex-svrsw60b59b_v2-v2-1-504ddf0f8530@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Alexandre Ghiti 2025-07-02 07:28:52 +00:00 • committed by Alistair Francis
parent 5625817e8b
commit dc8bffc4eb
7 changed files with 18 additions and 3 deletions
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1
hw/riscv/riscv-iommu-bits.h
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@ -79,6 +79,7 @@ struct riscv_iommu_pq_record {
#define RISCV_IOMMU_CAP_SV39 BIT_ULL(9)
#define RISCV_IOMMU_CAP_SV48 BIT_ULL(10)
#define RISCV_IOMMU_CAP_SV57 BIT_ULL(11)
#define RISCV_IOMMU_CAP_SVRSW60T59B BIT_ULL(14)
#define RISCV_IOMMU_CAP_SV32X4 BIT_ULL(16)
#define RISCV_IOMMU_CAP_SV39X4 BIT_ULL(17)
#define RISCV_IOMMU_CAP_SV48X4 BIT_ULL(18)