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From: "Blue Swirl" <blauwirbel@gmail.com>
Subject: Re: [Qemu-devel] [PATCH v3 1/6] Use IO port for qemu<->guest BIOS
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To: qemu-devel@nongnu.org

On 8/28/08, Gleb Natapov <gleb@qumranet.com> wrote:
> Use PIO to get configuration info between qemu process and guest BIOS.

Looking good ;-)

Sparc targets need these firmware_abi.h fields, and probably other targets too:
    uint64_t RAM0_size;
    uint64_t kernel_image;
    uint64_t kernel_size;
    uint64_t cmdline;
    uint64_t cmdline_size;
    uint16_t graphic_flags;
    uint8_t  nb_cpus;
    uint8_t  nboot_devices;
    uint8_t  boot_devices[0x10];

Maybe not all targets want these:
    uint16_t width;
    uint16_t height;
    uint16_t depth;

But before keys for these are added, it's not possible to migrate
Sparc targets to the new system. So should these be global?