On Tue, 2013-02-19 at 10:51 +, David Woodhouse wrote:
On Tue, 2013-02-19 at 10:20 +, Ian Campbell wrote:
I expect there will be some rough edges like the NV variable thing -- I
have a feeling these will have a lot in common with qemu/KVM, since they
would tend to interact with the
On Wed, 2013-02-20 at 16:34 +0100, Paolo Bonzini wrote:
Il 20/02/2013 16:18, Laszlo Ersek ha scritto:
I'm beginning to wish I'd just ignored the fact that
we need a properly working soft reset to get back from 286 protected
mode to real mode, and wired up the damn PAM reset
Regarding the ACPI tables, OVMF takes them from Xen. It scans 0x000EA020
to 0x000F for the RSDP and goes from there. See
OvmfPkg/AcpiPlatformDxe/Xen.c.
I'm not sure about the e820 table. In hvmloader's build_e820_table()
[tools/firmware/hvmloader/e820.c], a range starting at RESERVED_MEMBASE
On Wed, 2013-02-20 at 17:55 +0100, Laszlo Ersek wrote:
However in OVMF the RESERVED_MEMBASE range is not parsed from this
Xen-exported table, it is added manually in InitializeXen()
[OvmfPkg/PlatformPei/Xen.c]:
//
// Reserve away HVMLOADER reserved memory [0xFC00,0xFD00).
//
On 02/20/13 18:18, Ian Campbell wrote:
On Wed, 2013-02-20 at 17:55 +0100, Laszlo Ersek wrote:
However in OVMF the RESERVED_MEMBASE range is not parsed from this
Xen-exported table, it is added manually in InitializeXen()
[OvmfPkg/PlatformPei/Xen.c]:
//
// Reserve away HVMLOADER reserved
On Fri, Feb 15, 2013 at 02:11:35PM -0700, Alex Williamson wrote:
We seem to use the IRQEN bit of the PIRQn registers interchangeably
to select APIC mode or to disable an IRQ. I can't decide if we're
intending to disable the IRQ or select APIC mode here, but in either
case it prevents PIC mode
On Fri, Feb 15, 2013 at 02:11:41PM -0700, Alex Williamson wrote:
q35/ich9 doesn't use the same interrupt mapping function as
i440fx/piix. PIRQA:D and PIRQE:H are programmed identically, but we
start at index 0, not index -1. Slots 25 through 31 are also
programmed independently.
When
On Tue, Feb 19, 2013 at 09:16:30AM +, David Woodhouse wrote:
On Mon, 2013-02-18 at 10:34 -0500, Kevin O'Connor wrote:
Some old DOS programs can also use f-segment space as Upper Memory
Blocks (UMB), so also report on what space is available in debug
messages.
Should we mark it as
On Wed, 2013-02-20 at 23:29 -0500, Kevin O'Connor wrote:
On Fri, Feb 15, 2013 at 02:11:41PM -0700, Alex Williamson wrote:
q35/ich9 doesn't use the same interrupt mapping function as
i440fx/piix. PIRQA:D and PIRQE:H are programmed identically, but we
start at index 0, not index -1. Slots
On 02/15/13 22:11, Alex Williamson wrote:
This enables interrupts to work pre-boot for assigned devices.
I had self nak'd and resent a v2 patch for 2/2, but there were never
any comments, so resending the whole series as v2. Thanks,
btw: With all the reorg going on in master atm I think it
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