Re: [Qemu-devel] [PATCH v4 6/7] Make the kernel image in the fw_cfg DMA interface bootable

[Gerd Hoffmann]

  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.

cheers,
  Gerd