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OvmfPkg/README: Update information about running OVMF 

The new instructions document -pflash & -bios options
for running OVMF on QEMU.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15038 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Jordan Justen 2014-01-03 19:19:14 +00:00 committed by jljusten
parent 300f2c6ad5
commit 210c880fa9
1 changed files with 15 additions and 4 deletions
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OvmfPkg/README
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@ -60,12 +60,23 @@ http://sourceforge.net/apps/mediawiki/tianocore/index.php?title=How_to_build_OVM
=== RUNNING OVMF on QEMU ===
* QEMU 0.9.1 or later is required.
* Either copy, rename or symlink OVMF.FD => bios.bin
* QEMU 0.12.2 or later is required.
* Be sure to use qemu-system-x86_64, if you are using and X64 firmware.
(qemu-system-x86_64 works for the IA32 firmware as well, of course.)
* Use the QEMU -L parameter to specify the directory where the bios.bin
file is located.
* Use OVMF for QEMU firmware (3 options available)
- Option 1: QEMU 1.6 or newer; Use QEMU -pflash parameter
* QEMU/OVMF will use emulated flash, and fully support UEFI variables
* Run qemu with: -pflash path/to/OVMF.fd
- Option 2: Use QEMU -bios parameter
* Note that UEFI variables will be partially emulated, and non-volatile
variables may lose their contents after a reboot
* Run qemu with: -bios path/to/OVMF.fd
- Option 3: Use QEMU -L parameter
* Note that UEFI variables will be partially emulated, and non-volatile
variables may lose their contents after a reboot
* Either copy, rename or symlink OVMF.fd => bios.bin
* Use the QEMU -L parameter to specify the directory where the bios.bin
file is located.
* The EFI shell is built into OVMF builds at this time, so it should
run automatically if a UEFI boot application is not found on the
removable media.