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From: Paolo Bonzini <pbonzini@redhat.com>
To: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, qemu-devel@nongnu.org
Cc: Blue Swirl <blauwirbel@gmail.com>,
	Peter Maydell <peter.maydell@linaro.org>,
	Bob Breuer <breuerr@mc.net>,
	Artyom Tarasenko <atar4qemu@gmail.com>,
	Anthony Liguori <aliguori@amazon.com>
Subject: Re: [Qemu-devel] [PATCHv3 1/2] sun4m: Add Sun CG3 framebuffer and corresponding OpenBIOS FCode ROM
Date: Wed, 05 Mar 2014 11:05:53 +0100	[thread overview]
Message-ID: <5316F701.5020500@redhat.com> (raw)
In-Reply-To: <1392800720-2765-2-git-send-email-mark.cave-ayland@ilande.co.uk>

Il 19/02/2014 10:05, Mark Cave-Ayland ha scritto:
> +#define CG3_REG_SIZE            0x20
> +
> +#define CG3_REG_FBC_CTRL        0x10
> +#define CG3_REG_FBC_STATUS      0x11
> +#define CG3_REG_FBC_CURSTART    0x12
> +#define CG3_REG_FBC_CUREND      0x13
> +#define CG3_REG_FBC_VCTRL       0x14
> +
> +typedef struct CG3State {
...

> +    uint8_t regs[16];

...

> +    case CG3_REG_FBC_CURSTART ... CG3_REG_SIZE:
> +        val = s->regs[addr - 0x10];
> +        break;
> +    default:

Something weird here, you can access regs[16] if addr == CG3_REG_SIZE.

The same happens in the write path.

Paolo

  parent reply	other threads:[~2014-03-05 10:06 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-19  9:05 [Qemu-devel] [PATCHv3 0/2] sun4m: Implement Sun CG3 framebuffer for QEMU Mark Cave-Ayland
2014-02-19  9:05 ` [Qemu-devel] [PATCHv3 1/2] sun4m: Add Sun CG3 framebuffer and corresponding OpenBIOS FCode ROM Mark Cave-Ayland
2014-02-19 13:35   ` Leandro Dorileo
2014-02-19 21:39     ` Mark Cave-Ayland
2014-02-20 12:23       ` Leandro Dorileo
2014-05-08 14:34       ` Andreas Färber
2014-05-19 13:03         ` Mark Cave-Ayland
2014-05-19 17:09           ` Andreas Färber
2014-03-05 10:05   ` Paolo Bonzini [this message]
2014-05-07 19:56     ` Paolo Bonzini
2014-05-08 14:44       ` Mark Cave-Ayland
2014-05-08 14:49         ` Paolo Bonzini
2014-02-19  9:05 ` [Qemu-devel] [PATCHv3 2/2] sun4m: Add Sun CG3 framebuffer initialisation function Mark Cave-Ayland
2014-02-19 13:01 ` [Qemu-devel] [PATCHv3 0/2] sun4m: Implement Sun CG3 framebuffer for QEMU Andreas Färber
2014-02-19 21:35   ` Mark Cave-Ayland
2014-02-23 17:42     ` Mark Cave-Ayland

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