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| author | Guo Ren (Alibaba DAMO Academy) <guoren@kernel.org> | 2025-09-13 00:12:33 -0400 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2025-10-03 13:15:14 +1000 |
| commit | 15abfced803929f935bb59a0e1b02558bd8325c4 (patch) | |
| tree | ca5b465eb2c465138892ebafbedb088527f74b50 /hw/intc | |
| parent | 81d1885dcc4424fec6761120f6e251eb3408fb8e (diff) | |
| download | focaccia-qemu-15abfced803929f935bb59a0e1b02558bd8325c4.tar.gz focaccia-qemu-15abfced803929f935bb59a0e1b02558bd8325c4.zip | |
hw/riscv/riscv-iommu: Fixup PDT Nested Walk
Current implementation is wrong when iohgatp != bare. The RISC-V
IOMMU specification has defined that the PDT is based on GPA, not
SPA. So this patch fixes the problem, making PDT walk correctly
when the G-stage table walk is enabled.
Fixes: 0c54acb8243d ("hw/riscv: add RISC-V IOMMU base emulation")
Cc: qemu-stable@nongnu.org
Cc: Sebastien Boeuf <seb@rivosinc.com>
Cc: Tomasz Jeznach <tjeznach@rivosinc.com>
Reviewed-by: Weiwei Li <liwei1518@gmail.com>
Reviewed-by: Nutty Liu <liujingqi@lanxincomputing.com>
Signed-off-by: Guo Ren (Alibaba DAMO Academy) <guoren@kernel.org>
Tested-by: Chen Pei <cp0613@linux.alibaba.com>
Tested-by: Fangyu Yu <fangyu.yu@linux.alibaba.com>
Message-ID: <20250913041233.972870-1-guoren@kernel.org>
[ Changes by AF:
- Add braces to if statements
]
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'hw/intc')
0 files changed, 0 insertions, 0 deletions