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Re: [Qemu-devel] [PATCH 0/3] hw/arm/virt: boot with -kernel -initrd -app
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [PATCH 0/3] hw/arm/virt: boot with -kernel -initrd -append on top of UEFI |
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Date: |
Fri, 5 Dec 2014 18:55:23 +0000 |
On 5 December 2014 at 18:36, Laszlo Ersek <address@hidden> wrote:
> A number of tools depend on passing the kernel image, the initial
> ramdisk, and the kernel command line to the guest on the QEMU command
> line (options -kernel, -initrd, -append, respectively). At the moment,
> these QEMU options work, but the guest kernel loaded this way is
> launched by a minimal binary firmware that is dynamically composed by
> QEMU. As a consequence, such a kernel has no UEFI environment.
>
> In this patchset the kernel, initrd and cmdline blobs are passed to the
> guest firmware to process & load. This mode is activated when both
> -kernel and -pflash unit#0 (or -bios) are specified.
...so we avoid back-compat problems on the assumption that
nobody was previously trying to provide both -bios and
-kernel at once. I *think* that's probably a reasonable
assumption...
-- PMM