Re: [PATCH v9 12/17] target/riscv: AMO operations always raise store/AMO

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Re: [PATCH v9 12/17] target/riscv: AMO operations always raise store/AMO

From:	Richard Henderson
Subject:	Re: [PATCH v9 12/17] target/riscv: AMO operations always raise store/AMO fault
Date:	Tue, 27 Aug 2024 10:34:14 +1000
User-agent:	Mozilla Thunderbird

On 8/27/24 01:29, Deepak Gupta wrote:

This patch adds one more word for tcg compile which can be obtained during
unwind time to determine fault type for original operation (example AMO).
Depending on that, fault can be promoted to store/AMO fault.

Signed-off-by: Deepak Gupta<debug@rivosinc.com>
Suggested-by: Richard Henderson<richard.henderson@linaro.org>
---
  target/riscv/cpu.h         |  9 ++++++++-
  target/riscv/cpu_helper.c  | 20 ++++++++++++++++++++
  target/riscv/tcg/tcg-cpu.c |  1 +
  target/riscv/translate.c   |  2 +-
  4 files changed, 30 insertions(+), 2 deletions(-)



Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~

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Re: [PATCH v9 03/17] target/riscv: save and restore elp state on priv transitions, (continued)
- [PATCH v9 05/17] target/riscv: tracking indirect branches (fcfi) for zicfilp, Deepak Gupta, 2024/08/26
  - Re: [PATCH v9 05/17] target/riscv: tracking indirect branches (fcfi) for zicfilp, Alistair Francis, 2024/08/26
- [PATCH v9 04/17] target/riscv: additional code information for sw check, Deepak Gupta, 2024/08/26
  - Re: [PATCH v9 04/17] target/riscv: additional code information for sw check, Alistair Francis, 2024/08/26
- [PATCH v9 07/17] disas/riscv: enable `lpad` disassembly, Deepak Gupta, 2024/08/26
  - Re: [PATCH v9 07/17] disas/riscv: enable `lpad` disassembly, Alistair Francis, 2024/08/27
- [PATCH v9 09/17] target/riscv: introduce ssp and enabling controls for zicfiss, Deepak Gupta, 2024/08/26
- [PATCH v9 12/17] target/riscv: AMO operations always raise store/AMO fault, Deepak Gupta, 2024/08/26
  - Re: [PATCH v9 12/17] target/riscv: AMO operations always raise store/AMO fault, Richard Henderson <=
- [PATCH v9 06/17] target/riscv: zicfilp `lpad` impl and branch tracking, Deepak Gupta, 2024/08/26
  - Re: [PATCH v9 06/17] target/riscv: zicfilp `lpad` impl and branch tracking, Alistair Francis, 2024/08/27
- [PATCH v9 10/17] target/riscv: tb flag for shadow stack instructions, Deepak Gupta, 2024/08/26
  - Re: [PATCH v9 10/17] target/riscv: tb flag for shadow stack instructions, Alistair Francis, 2024/08/27
- [PATCH v9 16/17] disas/riscv: enable disassembly for zicfiss instructions, Deepak Gupta, 2024/08/26
- [PATCH v9 13/17] target/riscv: update `decode_save_opc` to store extra word2, Deepak Gupta, 2024/08/26
  - Re: [PATCH v9 13/17] target/riscv: update `decode_save_opc` to store extra word2, Richard Henderson, 2024/08/26
- [PATCH v9 14/17] target/riscv: implement zicfiss instructions, Deepak Gupta, 2024/08/26
- [PATCH v9 08/17] target/riscv: Add zicfiss extension, Deepak Gupta, 2024/08/26
  - Re: [PATCH v9 08/17] target/riscv: Add zicfiss extension, Alistair Francis, 2024/08/27

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