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target/riscv: additional code information for sw check

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sw check exception support was recently added. This patch further augments
sw check exception by providing support for additional code which is
provided in *tval. Adds `sw_check_code` field in cpuarchstate. Whenever
sw check exception is raised *tval gets the value deposited in
`sw_check_code`.

Signed-off-by: Deepak Gupta <debug@rivosinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241008225010.1861630-6-debug@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Deepak Gupta 2024-10-08 15:49:55 -07:00 • committed by Alistair Francis
parent 53309be156
commit 6031102401
3 changed files with 6 additions and 0 deletions
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target/riscv/csr.c
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@ -1377,6 +1377,7 @@ static const uint64_t all_ints = M_MODE_INTERRUPTS | S_MODE_INTERRUPTS |
(1ULL << (RISCV_EXCP_INST_PAGE_FAULT)) | \
(1ULL << (RISCV_EXCP_LOAD_PAGE_FAULT)) | \
(1ULL << (RISCV_EXCP_STORE_PAGE_FAULT)) | \
(1ULL << (RISCV_EXCP_SW_CHECK)) | \
(1ULL << (RISCV_EXCP_INST_GUEST_PAGE_FAULT)) | \
(1ULL << (RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT)) | \
(1ULL << (RISCV_EXCP_VIRT_INSTRUCTION_FAULT)) | \