From: "Alex Bennée" <alex.bennee@linaro.org>
To: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
Cc: Sarah Harris <S.E.Harris@kent.ac.uk>,
Thomas Huth <huth@tuxfamily.org>,
Joaquin de Andres <me@xcancerberox.com.ar>,
Richard Henderson <richard.henderson@linaro.org>,
qemu-devel@nongnu.org, Michael Rolnik <mrolnik@gmail.com>
Subject: Re: [PATCH 2/3] target/avr: Fix $PC displayed address
Date: Tue, 07 Jul 2020 09:33:22 +0100 [thread overview]
Message-ID: <87a70bpvvx.fsf@linaro.org> (raw)
In-Reply-To: <20200707064646.7603-3-f4bug@amsat.org>
Philippe Mathieu-Daudé <f4bug@amsat.org> writes:
> $PC is 16-bit wide. Other registers display addresses on a byte
> granularity.
> To have a coherent ouput, display $PC using byte granularity too.
>
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
> target/avr/cpu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/target/avr/cpu.c b/target/avr/cpu.c
> index 50fb1c378b..9be464991f 100644
> --- a/target/avr/cpu.c
> +++ b/target/avr/cpu.c
> @@ -151,7 +151,7 @@ static void avr_cpu_dump_state(CPUState *cs, FILE *f, int flags)
> int i;
>
> qemu_fprintf(f, "\n");
> - qemu_fprintf(f, "PC: %06x\n", env->pc_w);
> + qemu_fprintf(f, "PC: %06x\n", env->pc_w * 2);
OK this was confusing until I grepped around the code and found the
comment in set pc:
cpu->env.pc_w = value / 2; /* internally PC points to words */
so it makes sense I guess but I didn't pick it up from the name. Maybe
worth adding the comment in CPUAVRstate?
Anyway:
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
> qemu_fprintf(f, "SP: %04x\n", env->sp);
> qemu_fprintf(f, "rampD: %02x\n", env->rampD >> 16);
> qemu_fprintf(f, "rampX: %02x\n", env->rampX >> 16);
--
Alex Bennée
next prev parent reply other threads:[~2020-07-07 8:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-07 6:46 [PATCH 0/3] target/avr: Few fixes Philippe Mathieu-Daudé
2020-07-07 6:46 ` [PATCH 1/3] target/avr: Drop tlb_flush() in avr_cpu_reset() Philippe Mathieu-Daudé
2020-07-07 8:27 ` Alex Bennée
2020-07-07 6:46 ` [PATCH 2/3] target/avr: Fix $PC displayed address Philippe Mathieu-Daudé
2020-07-07 8:33 ` Alex Bennée [this message]
2020-07-07 6:46 ` [RFC PATCH 3/3] target/avr: Fix SBRC/SBRS instructions Philippe Mathieu-Daudé
2020-07-07 8:56 ` Alex Bennée
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87a70bpvvx.fsf@linaro.org \
--to=alex.bennee@linaro.org \
--cc=S.E.Harris@kent.ac.uk \
--cc=f4bug@amsat.org \
--cc=huth@tuxfamily.org \
--cc=me@xcancerberox.com.ar \
--cc=mrolnik@gmail.com \
--cc=qemu-devel@nongnu.org \
--cc=richard.henderson@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.