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From: Richard Henderson <richard.henderson@linaro.org>
To: Laurent Vivier <laurent@vivier.eu>, qemu-devel@nongnu.org
Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Subject: Re: [PATCH v3] target/m68k: implement rtr instruction
Date: Sun, 7 Mar 2021 17:04:13 -0800	[thread overview]
Message-ID: <107d8b83-96bb-fb31-a5ac-0b0c5835ab23@linaro.org> (raw)
In-Reply-To: <20210307212552.523552-1-laurent@vivier.eu>

On 3/7/21 1:25 PM, Laurent Vivier wrote:
> This is needed to boot MacOS ROM.
> 
> Pull the condition code and the program counter from the stack.
> 
> Operation:
> 
>      (SP) -> CCR
>      SP + 2 -> SP
>      (SP) -> PC
>      SP + 4 -> SP
> 
> This operation is not privileged.
> 
> Reported-by: Mark Cave-Ayland<mark.cave-ayland@ilande.co.uk>
> Tested-by: Mark Cave-Ayland<mark.cave-ayland@ilande.co.uk>
> Signed-off-by: Laurent Vivier<laurent@vivier.eu>
> ---

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

r~


  reply	other threads:[~2021-03-08  1:05 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-07 21:25 [PATCH v3] target/m68k: implement rtr instruction Laurent Vivier
2021-03-08  1:04 ` Richard Henderson [this message]
2021-03-09 19:44 ` Laurent Vivier

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