diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/seabios/docs/Releases.md | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/seabios/docs/Releases.md')
-rw-r--r-- | qemu/roms/seabios/docs/Releases.md | 377 |
1 files changed, 377 insertions, 0 deletions
diff --git a/qemu/roms/seabios/docs/Releases.md b/qemu/roms/seabios/docs/Releases.md new file mode 100644 index 000000000..6a1ecd564 --- /dev/null +++ b/qemu/roms/seabios/docs/Releases.md @@ -0,0 +1,377 @@ +History of SeaBIOS releases. Please see [download](Download) for +information on obtaining these releases. + +SeaBIOS 1.8.0 +============= + +Available on 20150218. Major changes in this release: + +* Several USB timing fixes for USB controllers on real hardware +* Initial support for USB3 hubs +* Initial support for SD cards (on QEMU only) +* Initial support for transitioning to 32bit mode using SMIs (on QEMU + TCG only) +* SeaVGABIOS improvements + * Added cursor emulation to coreboot native init vgabios (cbvga) + * Added support for read character calls when in graphics mode +* Developer documentation added to "docs/" directory in the code + repository and several documentation updates +* Several bug fixes and code cleanups + +As of the 1.8.0 release, new feature releases will modify the first +two release numbers (eg, 1.8) and stable releases will use three +numbers (eg, 1.8.1). The prior behavior of using a forth number +(eg, 1.7.5.1) for stable releases will no longer be used. + +SeaBIOS 1.7.5 +============= + +Available on 20140528. Major changes in this release: + +* Support for obtaining SMBIOS tables directly from QEMU. +* XHCI USB controller fixes for real hardware (now tested on several + boards) +* SeaVGABIOS improvements + * New driver for "coreboot native vga" support + * Improved detection of older x86emu versions with incorrect + emulation. +* Several bug fixes and code cleanups + +SeaBIOS 1.7.5.1 +--------------- + +Available on 20141113. Stable release containing only bug fixes. + +SeaBIOS 1.7.5.2 +--------------- + +Available on 20150112. Stable release containing only bug fixes. + +SeaBIOS 1.7.4 +============= + +Available on 20131223. Major changes in this release: + +* Support for obtaining ACPI tables directly from QEMU. +* Initial support for XHCI USB controllers (initially for QEMU only). +* Support for booting from "pvscsi" devices on QEMU. +* Enhanced floppy driver - improved support for real hardware. +* coreboot cbmem console support. +* Optional support for using the 9-segment instead of the e-segment + for local variables. +* Improved internal timer code and accuracy. +* SeaVGABIOS improvements + * Better support for legacy X.org releases with incomplete x86emu + emulation. + * Support for using an internal stack to reduce caller's stack + usage. + * Back port of new "bochs dispi" interface video modes. +* Several bug fixes and code cleanups + * Source code separated out into additional hardware and firmware + directories. + * Update to latest version of Kconfig + +SeaBIOS 1.7.3 +============= + +Available on 20130707. Major changes in this release: + +* Initial support for using SeaBIOS as a UEFI Compatibility Support + Module (CSM) +* Support for detecting and using ACPI reboot ports. +* By default, all 16bit entry points now use an internal stack to + reduce stack footprint. +* Floppy controller code has been rewritten to improve + compatibility. Non-standard floppy sizes now work again with recent + QEMU versions. +* Several bug fixes and code cleanups + +SeaBIOS 1.7.2 +============= + +Available on 20130118. Major changes in this release: + +* Support for ICH9 host chipset ("q35") on emulators +* Support for booting from LSI MegaRAID SAS controllers +* Support for using the ACPI PM timer on emulators +* Improved Geode VGA BIOS support. +* Several bug fixes + +SeaBIOS 1.7.2.1 +--------------- + +Available on 20130227. Stable release containing only bug fixes. + +SeaBIOS 1.7.2.2 +--------------- + +Available on 20130527. Stable release containing only bug fixes. + +SeaBIOS 1.7.1 +============= + +Available on 20120831. Major changes in this release: + +* Initial support for booting from USB attached scsi (USB UAS) drives +* USB EHCI 64bit controller support +* USB MSC multi-LUN device support +* Support for booting from LSI SCSI controllers on emulators +* Support for booting from AMD PCscsi controllers on emulators +* New PCI allocation code on emulators. Support 64bit PCI bars and + mapping them above 4G. +* Support for non-linear APIC ids on emulators. +* Stack switching for 16bit real mode irq handlers to reduce stack + footprint. +* Support for custom storage in the memory at 0xc0000-0xf0000. No + longer reserve memory for custom storage in first 640k. +* Improved code generation for 16bit segment register loads +* Boot code will now (by default) reboot after 60 seconds if no boot + device found +* CBFS and FWCFG "files" are now only scanned one time +* Several bug fixes + +SeaBIOS 1.7.0 +============= + +Available on 20120414. Major changes in this release: + +* Many enhancements to VGA BIOS code - it should now be feature + complete with LGPL vgabios. +* Support for virtio-scsi. +* Improved USB drive (usb-msc) support. +* Several USB controller bug fixes and improvements. +* Runtime ACPI AML PCI hotplug construction. +* Support for running on i386 and i486 CPUs. +* Enhancements to PCI init when running on emulators. +* Several bug fixes + +SeaBIOS 1.6.3 +============= + +Available on 20111004. Major changes in this release: + +* Initial support for Xen +* PCI init (on emulators) uses a two-phase initialization +* Fixes for AHCI so it can work on real hardware. AHCI is now enabled + by default. +* Bootsplash support for BMP files +* Several configuration options can now be configured at runtime via + CBFS files (eg, "etc/boot-menu-wait") +* PCI device scan is cached during POST phase +* Several bug fixes + +The SeaBIOS 1.6.3 release was an incremental feature release. The +first release number (1) was incremented as the project was no longer +in a beta stage, and the third release number (3) was also incremented +to indicate the release was a regular feature release. + +SeaBIOS 1.6.3.1 +--------------- + +Available on 20111124. Stable release containing only bug fixes. + +SeaBIOS 1.6.3.2 +--------------- + +Available on 20120311. Stable release containing only bug fixes. + +SeaBIOS 0.6.2 +============= + +Available on 20110228. Major changes in this release: + +* Setup code can relocate to high-memory to save space in c-f segments +* Build now configured via Kconfig +* Experimental support for AHCI controllers +* Support for run-time configuration of the boot order (via + CBFS/fw_cfg "bootorder" file) +* Support T13 EDD3.0 spec +* Improved bounds checking on PCI memory allocation +* Several bug fixes + +SeaBIOS 0.6.1 +============= + +Available on 20100913. Major changes in this release: + +* Support for virtio drives +* Add ACPI definitions for cpu hotplug support +* Support for a graphical bootsplash screen +* USB mouse support +* The PCI support for emulators is less dependent on i440 chipset +* New malloc implementation which improves memalign and free +* The build system no longer double links objects +* Several bug fixes + +SeaBIOS 0.6.1.1 +--------------- + +Available on 20101031. Stable release containing only bug fixes. + +SeaBIOS 0.6.1.2 +--------------- + +Available on 20101113. Stable release containing only bug fixes. + +SeaBIOS 0.6.1.3 +--------------- + +Available on 20101226. Stable release containing only bug fixes. + +SeaBIOS 0.6.0 +============= + +Available on 20100326. Major changes in this release: + +* USB hub support +* USB drive booting support +* USB keyboard auto-repeat support +* USB EHCI controller support +* Several improvements to compatibility of PS2 port handlers for old + code +* Support for qemu e820 interface +* Several bug fixes and code cleanups + +SeaBIOS 0.5.1 +============= + +Available on 20100108. Major changes in this release: + +* Support for 32bit PCI BIOS calls +* Support for int1589 calls +* MPTable fixes for OpenBSD +* ATA DMA and bus-mastering support +* Several bug fixes and code cleanups + +SeaBIOS 0.5.0 +============= + +Available on 20091218. Major changes in this release: + +* Several enhancements ported from the Bochs BIOS derived code in qemu + and kvm +* Support for parallel hardware initialization to reduce bootup times +* Enable PCI option rom support by default (Bochs users must now + enable CONFIG_OPTIONROMS_DEPLOYED in src/config.h). Support added + for extracting option roms from qemu "fw_cfg". +* Support USB UHCI and OHCI controllers +* Initial support for USB keyboards +* SeaBIOS can now be greater than 64K +* Support for permanent low memory allocations +* APIC "local interrupts" now enabled in SeaBIOS (on emulators) +* Several bug fixes and code cleanups + +SeaBIOS 0.4.2 +============= + +Available on 20090909. Major changes in this release: + +* Implement Post Memory Manager (PMM) support. Use equivalent "malloc" + functions for internal allocations as well. +* Refactor disk "block" interface for greater expandability +* Support CBFS based floppy images +* Allow boot menu to select either floppy to boot from +* Increase ebda size to store a CDROM harddrive/floppy emulation + buffer +* Support systems with multiple vga cards (only the card with the + legacy IO ranges mapped will have its option rom executed) +* Make option rom memory be writable during option rom execution (on + emulators) +* Compile version number into code and report on each boot +* Several bug fixes and code cleanups + +SeaBIOS 0.4.1 +============= + +Available on 20090714. Major changes in this release: + +* Support older versions of gcc that predate "-fwhole-program" (eg, + v3.x) +* Add initial port of "LGPL vga bios" code into tree in "vgasrc/" + directory +* Handle ATA drives still "spinning up" during SeaBIOS drive detect +* Add support for option rom Boot Connection Vectors (BCV) +* Enhance boot menu to support booting from any drive or any cdrom +* Support flash based Coreboot File System (CBFS) +* Support booting from a CBFS "payload" +* Support coreboot table forwarder +* Support compile time definitions for multiple root PCI buses +* New tools/readserial.py tool +* Several bug fixes and code cleanups + +SeaBIOS 0.4.0 +============= + +Available on 20090206. Major changes in this release: + +* Add Bios Boot Specification (BBS) calls; add PnP call stubs +* Support option roms stored in PCI rom BAR +* Support rebooting on ctrl+alt+delete key press +* Scan PCI devices for ATA adapters (don't assume legacy ISA ATA ports + are valid) +* Attempt to automatically determine gcc capabilities/bugs during + build +* Add script to layout 16bit sections at fixed offsets and in + compacted space +* Introduce timestamp counter based delays +* Support POST calls that are really a resume +* Use new stack in EBDA for int13 disk calls to reduce stack usage +* Support the EBDA being relocated by option roms +* Move many variables from EBDA to global variables (stored in + f-segment) +* Support for PCI bridges when iterating through PCI device list +* Initial port of several KVM specific features from their Bochs BIOS + derived code +* Access BDA using segment 0x40 and IVT using segment 0x00 (which + could be important for 16bit protected mode callers) +* Several bug fixes and code cleanups + +SeaBIOS 0.3.0 +============= + +Available on 20080817. Major changes in this release: + +* Run boot code (int18/19) in 32bit mode +* Rewrite of PS2 port handling - new code is more compatible with real + hardware +* Initial support for int155f VGA option rom calls +* Several bug fixes and code cleanups + +SeaBIOS 0.2.3 +============= + +Available on 20080702. Major changes in this release: + +* Initial support for running on real hardware with coreboot +* Support parsing coreboot tables +* Support relocating bios tables from high memory when running under + coreboot +* Dynamic e820 map generation +* Serial debug support +* New tools/checkstack.py tool +* Several bug fixes and code cleanups + +SeaBIOS 0.2.2 +============= + +Formerly known as "legacybios". Available on 20080501. Major changes +in this release: + +* Several bug fixes and code cleanups + +SeaBIOS 0.2.1 +============= + +Formerly known as "legacybios". Available on 20080406. Major changes +in this release: + +* Port of boot menu code from Bochs BIOS +* Several bug fixes and code cleanups + +SeaBIOS 0.2.0 +============= + +Formerly known as "legacybios". Available on 20080330. Major changes +in this release: + +* Completion of initial port of Bochs BIOS code to gcc. |