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| author | Laszlo Ersek <lersek@redhat.com> | 2015-09-22 11:18:41 +0000 |
|---|---|---|
| committer | lersek <lersek@Edk2> | 2015-09-22 11:18:41 +0000 |
| commit | 0febef91bf836278a5286fe0843551b71d1dc0e0 (patch) | |
| tree | d466ac57546f2faf195cd7010dc0ee760a853580 /OvmfPkg/OvmfPkgX64.dsc | |
| parent | 8a6e6db42f571bee7331ffe25f5603a6d44da335 (diff) | |
| download | edk2-platforms-0febef91bf836278a5286fe0843551b71d1dc0e0.tar.xz | |
OvmfPkg: QemuBootOrderLib: recognize Q35 SATA disks / CD-ROMs
The OpenFirmware device paths that QEMU generates for these disks and
CD-ROMs are very similar to those generated for the i440fx IDE disks and
CD-ROMs (including the same number of devpath nodes necessary for unique
parsing). The interpretations and the translation to UEFI devpath
fragments are different, of course.
(The spaces after "ide@1,1" are inserted below only for illustration
purposes.)
primary or secondary
| master or slave
v v
i440fx IDE: /pci@i0cf8/ide@1,1 /drive@0/disk@0
Q35 SATA: /pci@i0cf8/pci8086,2922@1f,2/drive@1/disk@0
^ ^
| device number
| (fixed 0)
channel (port) number
The similarity is reflected in the translation output (spaces again
inserted for illustration only):
i440fx IDE: PciRoot(0x0)/Pci(0x1,0x1) /Ata(Primary,Master,0x0)
Q35 SATA: PciRoot(0x0)/Pci(0x1F,0x2)/Sata(0x1,0x0,0x0)
^ ^ ^
| | LUN;
| | always 0 on Q35
| port multiplier port
| number; always 0 on Q35
channel (port) number
Cc: Alexander Graf <agraf@suse.de>
Cc: Reza Jelveh <reza.jelveh@tuhh.de>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Gabriel L. Somlo <somlo@cmu.edu>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18531 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'OvmfPkg/OvmfPkgX64.dsc')
0 files changed, 0 insertions, 0 deletions