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The protocol is documented in "docs/specs/fw_cfg.txt" in the QEMU tree.
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18545 6f19259b-4bc3-4df7-8a09-765794883524
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According to the UEFI spec, EFI_EVENT_GROUP_READY_TO_BOOT "is notified by
the system when the Boot Manager is about to load and execute a boot
option". ArmVirtPkg doesn't do this currently when launching a kernel from
the QEMU command line. OvmfPkg does (see git commit 28a34033ee).
At least two edk2-wide callbacks are worth mentioning:
- OnReadyToBoot() in
"MdeModulePkg/Universal/Variable/RuntimeDxe/VariableDxe.c" performs
variable reclaim and (optionally) installs variable usage statistics as
a vendor config table;
- OnReadyToBoot() in
"SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c"
installs the image execution info table if it doesn't exist yet, in
SecureBoot-enabled builds.
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18513 6f19259b-4bc3-4df7-8a09-765794883524
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On 32-bit ARM, split system memory into a region below (and up to) 4 GB
and a region above 4 GB. This is necessary to get the DXE core to consider
the former as the resource descriptor that describes the primary memory
region that also covers the PHIT region.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18427 6f19259b-4bc3-4df7-8a09-765794883524
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The relocated immediate notation supported by GNU as (e.g., #:lo12:foo)
is not supported by clang. Since we are loading a constant value, they
were not entirely appropriate here anyway, so simply replace them with
assembler arithmetic expressions.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Laszlo Ersek <lersek@redhat.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18202 6f19259b-4bc3-4df7-8a09-765794883524
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Since it is arguably incorrect to infer the GIC revision from CPU
ID and GIC feature registers on platforms that describe the GIC in
the device tree, this implements the library class ArmGicArchLib
tailored for such platforms.
The supported GIC revision is retrieved from the dynamic PCD that
is set based on the GIC DT node.
This means this library can only execute post DXE core, but this is
not a problem for any of the virt platforms.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Tested-by: Leif Lindholm <leif.lindholm@linaro.org>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18102 6f19259b-4bc3-4df7-8a09-765794883524
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Add a fixed pointer PCD to allow build-time selection of VT100 or TTY terminal
type. The default remains VT100 emulation.
Add support for building the ARM QEMU platforms with the TTY terminal
with the "-D TTY_TERMINAL" build option.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
[Roy Franz: minor edits: add TtyTerminal GUID, rename LINUX_TERMINAL to TTY_TERMINAL]
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Roy Franz <roy.franz@linaro.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17898 6f19259b-4bc3-4df7-8a09-765794883524
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Currently, the ArmVirtPkg platforms built with the Intel BDS fail
to signal the end-of-DXE event 'gEfiEndOfDxeEventGroupGuid' when
entering the BDS phase, which results in some loss of functionality,
i.e., variable reclaim in the VariableDxe drivers, and the splitting
of the memory regions that is part of the recently added UEFI 2.5
properties table feature.
As discussed on the edk2-devel mailing list here:
http://thread.gmane.org/gmane.comp.bios.tianocore.devel/16088/focus=16109
it is up to the platform BDS to signal that event, since there may be
platform specific ordering constraints with respect to the signalling
of the event that are difficult to honor at the generic level.
So add the SignalEvent () call to PlatformBdsInit () of ArmVirtPkg's
PlatformBdsLib implementation for the Intel BDS.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17713 6f19259b-4bc3-4df7-8a09-765794883524
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Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17581 6f19259b-4bc3-4df7-8a09-765794883524
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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17537 6f19259b-4bc3-4df7-8a09-765794883524
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