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Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA
From: |
Kevin O'Connor |
Subject: |
Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA interface bootable |
Date: |
Fri, 2 Oct 2015 09:38:01 -0400 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Fri, Oct 02, 2015 at 10:16:26AM +0200, Gerd Hoffmann wrote:
> Hi,
>
> > That's fine with me. Marc - I think qemu_vmlinux_setup() in SeaBIOS
> > with the following would work:
> >
> > void qemu_vmlinux_setup(void)
> > {
> > u32 kernel_size;
> > qemu_cfg_read_entry(&kernel_size, QEMU_CFG_KERNEL_SIZE,
> > sizeof(kernel_size));
> > if (kernel_size)
> > boot_add_qemu_vmlinux("QEMU Kernel image", 0);
> > }
>
> It isn't that simple. We also have support for multiboot kernels (using
> multiboot.bin option rom). So when doing this you need to be prepared
> to find a multiboot kernel in fw_cfg.
Is there some way to detect if it's a multiboot kernel? If so,
seabios can just fall back to using multiboot.bin.
-Kevin
- Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA interface bootable, (continued)
- Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA interface bootable, Laszlo Ersek, 2015/10/08
- Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA interface bootable, Marc MarĂ, 2015/10/08
- Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA interface bootable, Gerd Hoffmann, 2015/10/08
- Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA interface bootable, Marc MarĂ, 2015/10/08
- Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA interface bootable, Gerd Hoffmann, 2015/10/08
- Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA interface bootable, Laszlo Ersek, 2015/10/08
- Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA interface bootable, Gerd Hoffmann, 2015/10/08
- Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA interface bootable, Laszlo Ersek, 2015/10/08
- Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA interface bootable, Jordan Justen, 2015/10/08
- Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA interface bootable, Laszlo Ersek, 2015/10/08
- Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA interface bootable,
Kevin O'Connor <=
- Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA interface bootable, Gerd Hoffmann, 2015/10/08