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3 Commits

Author SHA1 Message Date
Jordan Justen d52c2868b4 OvmfPkg ResetSystemLib: Fix shutdown via UEFI runtime services 
When the PM base address was moved from 0x400 to 0xb000, this
code was missed. This prevented shutdown's via the UEFI system
call from working. (For example, at the EFI shell prompt: reset -s)

We now use gUefiOvmfPkgTokenSpaceGuid.PcdAcpiPmBaseAddress
which is currently set at 0xb000.

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@14492 6f19259b-4bc3-4df7-8a09-765794883524
 2013-07-18 22:51:10 +00:00
jljusten fb2ae5fdb5 OvmfPkg: make sure ResetCold() and ResetWarm() never return 
Also, add a small delay after the 0xCF9 hard reset request -- on qemu/kvm the
port access is translated to the qemu-internal system reset request by the CPU
thread, and it might progress some more before the IO thread acts upon the
system reset request.

MicroSecondDelay() is implemented by OvmfPkg's own AcpiTimerLib.

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

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14158 6f19259b-4bc3-4df7-8a09-765794883524
 2013-03-04 17:38:42 +00:00
jljusten 7ca30a6ac7 OvmfPkg ResetSystemLib: Add shutdown support for OVMF 
This library will allow the UEFI RuntimeServices
ResetSystem call to function with OVMF.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11251 6f19259b-4bc3-4df7-8a09-765794883524
 2011-01-13 05:46:52 +00:00