This series is tested and
Reviewed-by: Jordan Justen <jordan.l.jus...@intel.com>
On Tue, Jul 24, 2012 at 1:49 PM, Laszlo Ersek <ler...@redhat.com> wrote:
> efifb (EFI frame buffer) doesn't work in RHEL-6.3 guests on RHEL-6.3
> qemu-kvm without the "pci=nocrs" guest kernel parameter. This is because
> dynamic MMIO range allocation places the emulated Cirrus card's frame
> buffer much lower than specified in the _CRS. Try to sync the related
> bits.
>
> v1->v2:
> - dropped most of v1 and started from scratch
> - ASL / AML heavily based on SeaBIOS commit 2062f2ba by Gerd Hoffmann
> <kra...@redhat.com>
> - to be applied on top of:
> - (svn rev 13538)
> - Bei Guan's patch in
> <caeqjb-tt0fxup3fjnd+cn7clk5jdjpgjpqpbc+amt+28ohd...@mail.gmail.com>
> - my first two patches in <5000520c.6020...@redhat.com>
>
> v2->v3:
> - (rebased to svn r13552)
> - coding style fixes
> - Ssdt.asl: changed license to 2-clause BSDL, paraphrasing Dsdt.asl
>
> retested for v3 (pci=nocrs never passed, efifb working):
>
> 2 GB guest, OVMF debug output
> -----------------------------
> PopulateFwData(): base=0x0000000000000000 length=0x00000000000A0000
> top=0x00000000000A0000 type=system
> PopulateFwData(): base=0x00000000000A0000 length=0x0000000000060000
> top=0x0000000000100000 type=mmio
> PopulateFwData(): base=0x0000000000100000 length=0x000000007FEE0000
> top=0x000000007FFE0000 type=system
> PopulateFwData(): base=0x000000007FFE0000 length=0x000000000000C000
> top=0x000000007FFEC000 type=system
> PopulateFwData(): base=0x000000007FFEC000 length=0x0000000000014000
> top=0x0000000080000000 type=system
> PopulateFwData(): base=0x0000000080000000 length=0x000000007EC01000
> top=0x00000000FEC01000 type=mmio
> PopulateFwData(): base=0x00000000FEC01000 length=0x00000000000FF000
> top=0x00000000FED00000 type=nonexistent
> PopulateFwData(): base=0x00000000FED00000 length=0x0000000000000400
> top=0x00000000FED00400 type=mmio
> PopulateFwData(): base=0x00000000FED00400 length=0x00000000000FFC00
> top=0x00000000FEE00000 type=nonexistent
> PopulateFwData(): base=0x00000000FEE00000 length=0x0000000000100000
> top=0x00000000FEF00000 type=mmio
> PopulateFwData(): base=0x00000000FEF00000 length=0x0000000F01100000
> top=0x0000001000000000 type=nonexistent
> PopulateFwData(): Mmio32MinBase=0x000A0000 Mmio32MaxExclTop=0xFEF00000
> NonMmio32MaxExclTop=0x80000000
> PopulateFwData(): PciWindow32.Base=0x80000000 PciWindow32.End=0xFEEFFFFF
> PciWindow32.Length=0x7EF00000
>
> 2 GB guest, dumped & decompiled SSDT
> ------------------------------------
> /*
> * Intel ACPI Component Architecture
> * AML Disassembler version 20090123
> *
> * Disassembly of SSDT-2048.aml, Tue Jul 24 22:02:31 2012
> *
> *
> * Original Table Header:
> * Signature "SSDT"
> * Length 0x00000035 (53)
> * Revision 0x01
> * Checksum 0x02
> * OEM ID "REDHAT"
> * OEM Table ID "OVMF "
> * OEM Revision 0x00000001 (1)
> * Compiler ID "INTL"
> * Compiler Version 0x20090123 (537461027)
> */
> DefinitionBlock ("SSDT-2048.aml", "SSDT", 1, "REDHAT", "OVMF ",
> 0x00000001)
> {
> OperationRegion (FWDT, SystemMemory, 0x7FB76F98, 0x00000030)
> }
>
> 2 GB guest, dmesg extract
> -------------------------
> BIOS-e820: 000000007fb21000 - 000000007fb79000 (reserved)
> pci_root PNP0A03:00: host bridge window [mem 0x000a0000-0x000bffff]
> pci_root PNP0A03:00: host bridge window [mem 0x80000000-0xfeefffff]
>
>
> 3 GB guest, OVMF debug output
> -----------------------------
> PopulateFwData(): base=0x0000000000000000 length=0x00000000000A0000
> top=0x00000000000A0000 type=system
> PopulateFwData(): base=0x00000000000A0000 length=0x0000000000060000
> top=0x0000000000100000 type=mmio
> PopulateFwData(): base=0x0000000000100000 length=0x00000000BFEE0000
> top=0x00000000BFFE0000 type=system
> PopulateFwData(): base=0x00000000BFFE0000 length=0x000000000000C000
> top=0x00000000BFFEC000 type=system
> PopulateFwData(): base=0x00000000BFFEC000 length=0x0000000000014000
> top=0x00000000C0000000 type=system
> PopulateFwData(): base=0x00000000C0000000 length=0x000000003EC01000
> top=0x00000000FEC01000 type=mmio
> PopulateFwData(): base=0x00000000FEC01000 length=0x00000000000FF000
> top=0x00000000FED00000 type=nonexistent
> PopulateFwData(): base=0x00000000FED00000 length=0x0000000000000400
> top=0x00000000FED00400 type=mmio
> PopulateFwData(): base=0x00000000FED00400 length=0x00000000000FFC00
> top=0x00000000FEE00000 type=nonexistent
> PopulateFwData(): base=0x00000000FEE00000 length=0x0000000000100000
> top=0x00000000FEF00000 type=mmio
> PopulateFwData(): base=0x00000000FEF00000 length=0x0000000F01100000
> top=0x0000001000000000 type=nonexistent
> PopulateFwData(): Mmio32MinBase=0x000A0000 Mmio32MaxExclTop=0xFEF00000
> NonMmio32MaxExclTop=0xC0000000
> PopulateFwData(): PciWindow32.Base=0xC0000000 PciWindow32.End=0xFEEFFFFF
> PciWindow32.Length=0x3EF00000
>
> 3 GB guest, dumped & decompiled SSDT
> ------------------------------------
> /*
> * Intel ACPI Component Architecture
> * AML Disassembler version 20090123
> *
> * Disassembly of SSDT-3072.aml, Tue Jul 24 22:02:35 2012
> *
> *
> * Original Table Header:
> * Signature "SSDT"
> * Length 0x00000035 (53)
> * Revision 0x01
> * Checksum 0xC2
> * OEM ID "REDHAT"
> * OEM Table ID "OVMF "
> * OEM Revision 0x00000001 (1)
> * Compiler ID "INTL"
> * Compiler Version 0x20090123 (537461027)
> */
> DefinitionBlock ("SSDT-3072.aml", "SSDT", 1, "REDHAT", "OVMF ",
> 0x00000001)
> {
> OperationRegion (FWDT, SystemMemory, 0xBFB76F98, 0x00000030)
> }
>
> 3 GB guest, dmesg extract
> -------------------------
> BIOS-e820: 00000000bfb21000 - 00000000bfb79000 (reserved)
> pci_root PNP0A03:00: host bridge window [mem 0x000a0000-0x000bffff]
> pci_root PNP0A03:00: host bridge window [mem 0xc0000000-0xfeefffff]
>
>
> 6 GB guest, OVMF debug output
> -----------------------------
> PopulateFwData(): base=0x0000000000000000 length=0x00000000000A0000
> top=0x00000000000A0000 type=system
> PopulateFwData(): base=0x00000000000A0000 length=0x0000000000060000
> top=0x0000000000100000 type=mmio
> PopulateFwData(): base=0x0000000000100000 length=0x00000000DFEE0000
> top=0x00000000DFFE0000 type=system
> PopulateFwData(): base=0x00000000DFFE0000 length=0x000000000000C000
> top=0x00000000DFFEC000 type=system
> PopulateFwData(): base=0x00000000DFFEC000 length=0x0000000000014000
> top=0x00000000E0000000 type=system
> PopulateFwData(): base=0x00000000E0000000 length=0x000000001EC01000
> top=0x00000000FEC01000 type=mmio
> PopulateFwData(): base=0x00000000FEC01000 length=0x00000000000FF000
> top=0x00000000FED00000 type=nonexistent
> PopulateFwData(): base=0x00000000FED00000 length=0x0000000000000400
> top=0x00000000FED00400 type=mmio
> PopulateFwData(): base=0x00000000FED00400 length=0x00000000000FFC00
> top=0x00000000FEE00000 type=nonexistent
> PopulateFwData(): base=0x00000000FEE00000 length=0x0000000000100000
> top=0x00000000FEF00000 type=mmio
> PopulateFwData(): base=0x00000000FEF00000 length=0x0000000001100000
> top=0x0000000100000000 type=nonexistent
> PopulateFwData(): base=0x0000000100000000 length=0x00000000A0000000
> top=0x00000001A0000000 type=reserved
> PopulateFwData(): base=0x00000001A0000000 length=0x0000000E60000000
> top=0x0000001000000000 type=nonexistent
> PopulateFwData(): Mmio32MinBase=0x000A0000 Mmio32MaxExclTop=0xFEF00000
> NonMmio32MaxExclTop=0xE0000000
> PopulateFwData(): PciWindow32.Base=0xE0000000 PciWindow32.End=0xFEEFFFFF
> PciWindow32.Length=0x1EF00000
>
> 6 GB guest, dumped & decompiled SSDT
> ------------------------------------
> /*
> * Intel ACPI Component Architecture
> * AML Disassembler version 20090123
> *
> * Disassembly of SSDT-6144.aml, Tue Jul 24 22:02:37 2012
> *
> *
> * Original Table Header:
> * Signature "SSDT"
> * Length 0x00000035 (53)
> * Revision 0x01
> * Checksum 0xA2
> * OEM ID "REDHAT"
> * OEM Table ID "OVMF "
> * OEM Revision 0x00000001 (1)
> * Compiler ID "INTL"
> * Compiler Version 0x20090123 (537461027)
> */
> DefinitionBlock ("SSDT-6144.aml", "SSDT", 1, "REDHAT", "OVMF ",
> 0x00000001)
> {
> OperationRegion (FWDT, SystemMemory, 0xDFB76F98, 0x00000030)
> }
>
> 6 GB guest, dmesg extract
> -------------------------
> BIOS-e820: 00000000dfb21000 - 00000000dfb79000 (reserved)
> pci_root PNP0A03:00: host bridge window [mem 0x000a0000-0x000bffff]
> pci_root PNP0A03:00: host bridge window [mem 0xe0000000-0xfeefffff]
>
> Laszlo Ersek (5):
> OvmfPkg: clean up memory map
> OvmfPkg: install an SSDT with a dynamic OperationRegion called FWDT
> OvmfPkg: scan memory space map and populate FWDT (32-bit fields only)
> OvmfPkg/AcpiTables/Dsdt.asl: strip trailing whitespace
> OvmfPkg/AcpiTables/Dsdt.asl: report the PCI IO ranges set in FWDT
>
> OvmfPkg/AcpiPlatformDxe/Qemu.c | 212
> ++++++++++++++++++++++++++-
> OvmfPkg/PlatformPei/Platform.c | 32 ++---
> OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf | 1 +
> OvmfPkg/AcpiTables/AcpiTables.inf | 1 +
> OvmfPkg/AcpiTables/Dsdt.asl | 117 +++++++++++++---
> OvmfPkg/AcpiTables/Ssdt.asl | 19 +++
> OvmfPkg/PlatformPei/PlatformPei.inf | 2 +
> 7 files changed, 347 insertions(+), 37 deletions(-)
> create mode 100644 OvmfPkg/AcpiTables/Ssdt.asl
>
>
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