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Re: [PATCH v5 4/4] target/riscv: add Zicbop cbo.prefetch{i, r, m} placeh

From: Richard Henderson
Subject: Re: [PATCH v5 4/4] target/riscv: add Zicbop cbo.prefetch{i, r, m} placeholder
Date: Wed, 15 Feb 2023 12:15:37 -1000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1

On 2/15/23 10:59, Daniel Henrique Barboza wrote:
From: Christoph Muellner<cmuellner@linux.com>

The cmo.prefetch instructions are nops for QEMU (no emulation of the
memory hierarchy, no illegal instructions, no permission faults, no

Add a comment noting where they would be decoded in case cbo.prefetch
instructions become relevant in the future.

Co-developed-by: Philipp Tomsich<philipp.tomsich@vrull.eu>
Signed-off-by: Christoph Muellner<cmuellner@linux.com>
Signed-off-by: Daniel Henrique Barboza<dbarboza@ventanamicro.com>
  target/riscv/insn32.decode | 1 +
  1 file changed, 1 insertion(+)

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


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