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hw/riscv: add RISC-V IOMMU base emulation

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The RISC-V IOMMU specification is now ratified as-per the RISC-V
international process. The latest frozen specifcation can be found at:

https://github.com/riscv-non-isa/riscv-iommu/releases/download/v1.0/riscv-iommu.pdf

Add the foundation of the device emulation for RISC-V IOMMU. It includes
support for s-stage (sv32, sv39, sv48, sv57 caps) and g-stage (sv32x4,
sv39x4, sv48x4, sv57x4 caps).

Other capabilities like ATS and DBG support will be added incrementally
in the next patches.

Co-developed-by: Sebastien Boeuf <seb@rivosinc.com>
Signed-off-by: Sebastien Boeuf <seb@rivosinc.com>
Signed-off-by: Tomasz Jeznach <tjeznach@rivosinc.com>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Jason Chien <jason.chien@sifive.com>
Message-ID: <20241016204038.649340-4-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Tomasz Jeznach 2024-10-16 17:40:27 -03:00 • committed by Alistair Francis
parent e21b3b243f
commit 0c54acb824
9 changed files with 2222 additions and 0 deletions
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hw/riscv/trace.h Normal file
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#include "trace/trace-hw_riscv.h"