From: Richard Henderson <richard.henderson@linaro.org>
To: Max Filippov <jcmvbkbc@gmail.com>, qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>
Subject: Re: [PATCH] target/xtensa: don't generate extra EXCP_DEBUG on exception
Date: Thu, 15 Apr 2021 15:29:53 -0700 [thread overview]
Message-ID: <98830153-5ae3-4d92-4ac2-4f76a8b2d523@linaro.org> (raw)
In-Reply-To: <20210415205517.23599-1-jcmvbkbc@gmail.com>
On 4/15/21 1:55 PM, Max Filippov wrote:
> target/xtensa used to generate an extra EXCP_DEBUG exception before the
> first instruction executed after an interrupt or an exception is taken
> to allow single-stepping that instruction in the debugger.
> This is no longer needed after the following commits:
> a7ba744f4082 ("tcg/cpu-exec: precise single-stepping after an exception")
> ba3c35d9c402 ("tcg/cpu-exec: precise single-stepping after an interrupt")
> Drop exception state tracking/extra EXCP_DEBUG generation code.
>
> Signed-off-by: Max Filippov<jcmvbkbc@gmail.com>
> ---
> This patch depends on the "target/xtensa: Make sure that tb->size != 0"
> patch.
>
> target/xtensa/cpu.c | 1 -
> target/xtensa/cpu.h | 7 -------
> target/xtensa/exc_helper.c | 5 -----
> target/xtensa/translate.c | 6 ------
> 4 files changed, 19 deletions(-)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
prev parent reply other threads:[~2021-04-15 22:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-15 20:55 [PATCH] target/xtensa: don't generate extra EXCP_DEBUG on exception Max Filippov
2021-04-15 22:29 ` Richard Henderson [this message]
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