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* UefiCpuPkg: Add a 16-bit protected mode code segment descriptorTom Lendacky2020-08-171-0/+9
| | | | | | | | | | | | | | | | | | | BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 A hypervisor is not allowed to update an SEV-ES guests register state, so when booting an SEV-ES guest AP, the hypervisor is not allowed to set the RIP to the guest requested value. Instead, an SEV-ES AP must be transition from 64-bit long mode to 16-bit real mode in response to an INIT-SIPI-SIPI sequence. This requires a 16-bit code segment descriptor. For PEI, create this descriptor in the reset vector GDT table. For DXE, create this descriptor from the newly reserved entry at location 0x28. Cc: Eric Dong <eric.dong@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Eric Dong <eric.dong@intel.com> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Regression-tested-by: Laszlo Ersek <lersek@redhat.com>
* UefiCpuPkg: Replace BSD License with BSD+Patent LicenseMichael D Kinney2019-04-0927-180/+27
| | | | | | | | | | | | | | | | | | | | | https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Eric Dong <eric.dong@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com>
* UefiCpuPkg: Clean up source filesLiming Gao2018-06-283-6/+6
| | | | | | | | | 1. Do not use tab characters 2. No trailing white space in one line 3. All files must end with CRLF Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Liming Gao <liming.gao@intel.com>
* UefiCpuPkg/ResetVector/Vtf0: document segment register setupLaszlo Ersek2017-11-172-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "Main.asm" calls TransitionFromReal16To32BitFlat (and does some other things) before it jumps to the platform's SEC entry point. TransitionFromReal16To32BitFlat enters big real mode, and sets the DS, ES, FS, GS, and SS registers to offset ("selector") LINEAR_SEL in the GDT (defined in "UefiCpuPkg/ResetVector/Vtf0/Ia16/Real16ToFlat32.asm"). The GDT entry ("segment descriptor") at LINEAR_SEL defines a segment covering the full 32-bit address space, meant for "read/write data". Document this fact for all the affected segment registers, as output parameters for TransitionFromReal16To32BitFlat, saying "Selector allowing flat access to all addresses". For 64-bit SEC, "Main.asm" calls Transition32FlatTo64Flat in addition, between calling TransitionFromReal16To32BitFlat and jumping to the SEC entry point. Transition32FlatTo64Flat enters long mode. In long mode, segmentation is largely ignored: - all segments are considered flat (covering the whole 64-bit address space), - with the (possible) exception of FS and GS, whose bases can still be changed, albeit with new methods, not through the GDT. (Through the IA32_FS_BASE and IA32_GS_BASE Model Specific Registers, and/or the WRFSBASE, WRGSBASE and SWAPGS instructions.) Thus, document the segment registers with the same "Selector allowing flat access to all addresses" language on the "Main.asm" level too, since that is valid for both 32-bit and 64-bit modes. (Technically, "Main.asm" does not return, but RBP/EBP, passed similarly to the SEC entry point, is already documented as an output parameter.) Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Eric Dong <eric.dong@intel.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Suggested-by: Jordan Justen <jordan.l.justen@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
* UefiCpuPkg: Convert all .uni files to utf-8Jordan Justen2015-12-156-0/+0
| | | | | | | | | | | | | To convert these files I ran: $ python3 BaseTools/Scripts/ConvertUni.py UefiCpuPkg Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Michael Kinney <michael.d.kinney@intel.com> Reviewed-by: Jeff Fan <jeff.fan@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19264 6f19259b-4bc3-4df7-8a09-765794883524
* UefiCpuPkg: Convert non DOS format files to DOS formatGao, Liming2014-09-032-0/+0
| | | | | | | | | Module UNI and Package UNI files are not DOS format. Convert them to DOS format. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Gao, Liming <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16047 6f19259b-4bc3-4df7-8a09-765794883524
* UefiCpuPkg: INF/DEC file updates to EDK II packagesGao, Liming2014-08-286-0/+0
| | | | | | | | | | | | | | | | | | 2. Add MODULE_UNI_FILE file that contains the localized Abstract and Description of a module. a. Addresses an information gap between INF files and the UEFI Distribution Packaging Specification XML schema b. There will be an associated update to UPT in BaseTools to consume MODULE_UNI_FILE and associated UNI file during UDP creation that performs the INF -> XML conversion. c. There will be an associated update to UPT in BaseTools to produce MODULE_UNI_FILE and associated UNI file during UDP installation that performs the XML -> INF conversion. 3. Add Module Extra UNI file that provides the localized Name of a module. a. [UserExtensions.TianoCore."ExtraFiles"] provides an easy method for a module to specify extra files not listed in [Sources] or [Binaries] sections to be added to a UDP without having to list the files in the UPT package information data file. b. There will be an associated update to UPT in BaseTools to package up files listed in [UserExtensions.TianoCore."ExtraFiles"] during UDP creation. c. UNI file contains localized name of a module to go along with the localized Abstract and Description from the MODULE_UNI_FILE. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Gao, Liming <liming.gao@intel.com> Reviewed-by: Michael Kinney <michael.d.kinney@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15934 6f19259b-4bc3-4df7-8a09-765794883524
* UefiCpuPkg: INF/DEC file updates to EDK II packagesGao, Liming2014-08-283-1/+14
| | | | | | | | | | | | 1. Usage information in INF file comment blocks are either incomplete or incorrect. This includes usage information for Protocols/PPIs/GUIDs/PCDs/HOBs/Events/BootModes. The syntax for usage information in comment blocks is defined in the EDK II Module Information (INF) Specification Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Gao, Liming <liming.gao@intel.com> Reviewed-by: Michael Kinney <michael.d.kinney@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15933 6f19259b-4bc3-4df7-8a09-765794883524
* UefiCpuPkg: Add ResetVector/FixupVtfJordan Justen2014-08-182-0/+92
| | | | | | | | | | | | | | | | | | | | This implements the older VTF ResetVector code often used on EDK II IA32 & X64 platforms. This VTF requires build time fixups in order to find the SEC entry point. The BaseTools GenFv tool has code that patches the jump target of the reset vector code to match the entry point of the SEC image in the PEI Firmware Volume. v2: * Rename from OldVtf to FixupVtf * Use EDK II extension of .nasmb rather than .nasmbin Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15826 6f19259b-4bc3-4df7-8a09-765794883524
* UefiCpuPkg VTF0 X64: Build page tables in NASM codeJordan Justen2014-08-185-97/+108
| | | | | | | | | | | | | | Previously, we would build the page tables in Tools/FixupForRawSection.py. In order to let NASM build VTF0 from source during the EDK II build process, we need to move this into the VTF0 NASM code. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15822 6f19259b-4bc3-4df7-8a09-765794883524
* UefiCpuPkg: Support building VTF0 ResetVector during the EDK II buildJordan Justen2014-08-183-5/+50
| | | | | | | | | | | | | | Using NASM we build VTF0 as part of the EDK II build process. v2: * Use EDK II extension of .nasmb rather than .nasmbin Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15821 6f19259b-4bc3-4df7-8a09-765794883524
* Fix ResetVectorVtf0.asm comment typoChen Fan2014-01-281-1/+1
| | | | | | | | Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com> Reviewed-by: Jeff Fan <jeff.fan@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15193 6f19259b-4bc3-4df7-8a09-765794883524
* Fix CRLF formatTian, Hot2014-01-222-163/+163
| | | | | | Signed-off-by: Tian, Hot <hot.tian@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15162 6f19259b-4bc3-4df7-8a09-765794883524
* UefiCpuPkg/ResetVector/Vtf0: Move Page Table/CR3 setting to a new fileJordan Justen2013-09-243-4/+34
| | | | | | | | | | | | | | | | | | | | | Now, Transition32FlatTo64Flat calls SetCr3ForPageTables64 which is located in Ia32/PageTables64.asm. This change is required so OVMF can replace the code in Ia32/PageTables64.asm with code that generates page tables in RAM. Note: Since this change does not impact the functionality of the current VTF0 binaries, they are not being updated. The resulting new binaries were tested to verify there is no regression. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Tested-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jeff Fan <jeff.fan@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14714 6f19259b-4bc3-4df7-8a09-765794883524
* UefiCpuPkg VTF0: Fix support for finding SEC image of type TE.rsun32011-09-287-17/+21
| | | | | | | | | | Update Flat32SearchForSecEntryPoint assembly code to support finding an SEC image using the TE image format. Signed-off-by: rsun3 Reviewed-by: jljusten git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12462 6f19259b-4bc3-4df7-8a09-765794883524
* UefiCpuPkg VTF0: Rename README to ReadMe.txt, add nasm versionydong102011-09-201-1/+1
| | | | | | | | | | | * Rename README to ReadMe.txt * Document that nasm 2.03 or newer is required for building VTF0 Signed-off-by: ydong10 Reviewed-by: jljusten git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12384 6f19259b-4bc3-4df7-8a09-765794883524
* UefiCpuPkg VTF0: Add README, remove Makefilejljusten2011-09-152-42/+41
| | | | | | | | | | * Add README * Remove Makefile which is no longer used to build VTF0 Signed-off-by: jljusten Reviewed-by: geekboy15a git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12355 6f19259b-4bc3-4df7-8a09-765794883524
* UefiCpuPkg: Replace the un-necessary WBINVD instruction at the reset vector ↵rsun32011-08-047-2/+3
| | | | | | | | | with two NOPs in VTF0. Signed-off-by: rsun3 Reviewed-by: mdkinney git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12085 6f19259b-4bc3-4df7-8a09-765794883524
* Rename two files to follow the file naming convention.rsun32010-09-074-6/+185
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* Rename two files to follow the file naming convention.rsun32010-09-072-179/+0
| | | | git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10852 6f19259b-4bc3-4df7-8a09-765794883524
* Update the copyright notice formathhtian2010-04-2417-34/+34
| | | | git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10429 6f19259b-4bc3-4df7-8a09-765794883524
* Clean up EFI_SPECIFICATION_VERSION and PI_SPECIFICATION_VERSION.klu22010-02-251-2/+0
| | | | git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10077 6f19259b-4bc3-4df7-8a09-765794883524
* 1. Correct File header to ## @filelgao42010-02-231-3/+3
| | | | | | 2. Remove unnecessary .common] postfix on section. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10051 6f19259b-4bc3-4df7-8a09-765794883524
* Adding files from OvmfPkg to common location. This is so multiple packages ↵geekboy15a2010-02-0223-0/+1206
can use pre-built reset vector code. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9911 6f19259b-4bc3-4df7-8a09-765794883524
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