498 lines
15 KiB
Markdown
498 lines
15 KiB
Markdown
History of SeaBIOS releases. Please see [download](Download) for
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information on obtaining these releases.
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SeaBIOS 1.13.0
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==============
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Available on 20191209. Major changes in this release:
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* Support for reading logical CHS drive information from QEMU
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* Workaround added for misbehaving optionroms that grab "int19"
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* The TPM 2 "PCR bank" option can now be set from the TPM menu
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* SeaVGABIOS support for QEMU "atiext" display
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* Several bug fixes and code cleanups
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SeaBIOS 1.12.0
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==============
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Available on 20181117. Major changes in this release:
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* Initial support for "TPM CRB" hardware
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* Improved cdrom media reporting in the boot menu on QEMU
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* Improved floppy support on real floppy hardware
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* SeaVGABIOS support for QEMU "bochs-display" and QEMU "ramfb" displays
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* Several bug fixes and code cleanups
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SeaBIOS 1.12.1
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--------------
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Available on 20190314. Stable release containing only bug fixes.
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SeaBIOS 1.11.0
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==============
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Available on 20171110. Major changes in this release:
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* Initial support for NVME drives
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* Support for vga emulation over a serial port in SeaBIOS (sercon)
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* Support for serial debugging using MMIO based serial ports
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* Support for scsi devices with multiple LUNs
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* Support for boot-to-boot persistent coreboot cbmem logs
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* Improved coreboot vga (cbvga) mode setting compatibility
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* Several bug fixes and code cleanups
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SeaBIOS 1.11.1
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--------------
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Available on 20180319. Stable release containing only bug fixes.
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SeaBIOS 1.11.2
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--------------
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Available on 20180702. Stable release containing only bug fixes.
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SeaBIOS 1.10.0
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==============
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Available on 20161026. Major changes in this release:
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* Initial support for Trusted Platform Module (TPM) version 2.0
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* Several USB XHCI timing fixes on real hardware
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* Support for "LSI MPT Fusion" scsi controllers on QEMU
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* Support for virtio devices mapped above 4GB
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* Several bug fixes and code cleanups
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SeaBIOS 1.10.1
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--------------
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Available on 20161122. Stable release containing only bug fixes.
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SeaBIOS 1.10.2
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--------------
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Available on 20170228. Stable release containing only bug fixes.
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SeaBIOS 1.10.3
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--------------
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Available on 20171019. Stable release containing only bug fixes.
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SeaBIOS 1.9.0
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=============
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Available on 20151117. Major changes in this release:
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* The default boot menu key is now the ESC key (instead of F12)
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* Initial support for Trusted Platform Module (TPM) hardware and BIOS calls
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* Initial support for chain loading SeaBIOS from Grub (via multiboot
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support)
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* Initial support for booting from SD cards on real hardware
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* virtio 1.0 device support
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* The build will no longer include the build hostname or build time on
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"clean" builds. This makes the build binaries more "reproducible".
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* Basic support for running SeaBIOS on Baytrail Chromebooks
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* SeaVGABIOS improvements:
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* Improved support for old versions of x86emu (the "leal"
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instruction is now emulated)
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* Several bug fixes and code cleanups
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SeaBIOS 1.9.1
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-------------
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Available on 20160215. Stable release containing only bug fixes.
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SeaBIOS 1.9.2
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-------------
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Available on 20160422. Stable release containing only bug fixes.
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SeaBIOS 1.9.3
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-------------
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Available on 20160701. Stable release containing only bug fixes.
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SeaBIOS 1.8.0
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=============
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Available on 20150218. Major changes in this release:
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* Several USB timing fixes for USB controllers on real hardware
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* Initial support for USB3 hubs
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* Initial support for SD cards (on QEMU only)
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* Initial support for transitioning to 32bit mode using SMIs (on QEMU
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TCG only)
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* SeaVGABIOS improvements
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* Added cursor emulation to coreboot native init vgabios (cbvga)
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* Added support for read character calls when in graphics mode
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* Developer documentation added to "docs/" directory in the code
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repository and several documentation updates
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* Several bug fixes and code cleanups
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As of the 1.8.0 release, new feature releases will modify the first
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two release numbers (eg, 1.8) and stable releases will use three
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numbers (eg, 1.8.1). The prior behavior of using a forth number
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(eg, 1.7.5.1) for stable releases will no longer be used.
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SeaBIOS 1.8.1
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-------------
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Available on 20150316. Stable release containing only bug fixes.
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SeaBIOS 1.8.2
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-------------
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Available on 20150617. Stable release containing only bug fixes.
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SeaBIOS 1.7.5
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=============
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Available on 20140528. Major changes in this release:
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* Support for obtaining SMBIOS tables directly from QEMU.
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* XHCI USB controller fixes for real hardware (now tested on several
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boards)
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* SeaVGABIOS improvements
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* New driver for "coreboot native vga" support
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* Improved detection of older x86emu versions with incorrect
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emulation.
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* Several bug fixes and code cleanups
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SeaBIOS 1.7.5.1
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---------------
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Available on 20141113. Stable release containing only bug fixes.
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SeaBIOS 1.7.5.2
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---------------
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Available on 20150112. Stable release containing only bug fixes.
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SeaBIOS 1.7.4
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=============
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Available on 20131223. Major changes in this release:
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* Support for obtaining ACPI tables directly from QEMU.
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* Initial support for XHCI USB controllers (initially for QEMU only).
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* Support for booting from "pvscsi" devices on QEMU.
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* Enhanced floppy driver - improved support for real hardware.
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* coreboot cbmem console support.
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* Optional support for using the 9-segment instead of the e-segment
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for local variables.
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* Improved internal timer code and accuracy.
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* SeaVGABIOS improvements
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* Better support for legacy X.org releases with incomplete x86emu
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emulation.
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* Support for using an internal stack to reduce caller's stack
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usage.
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* Back port of new "bochs dispi" interface video modes.
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* Several bug fixes and code cleanups
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* Source code separated out into additional hardware and firmware
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directories.
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* Update to latest version of Kconfig
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SeaBIOS 1.7.3
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=============
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Available on 20130707. Major changes in this release:
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* Initial support for using SeaBIOS as a UEFI Compatibility Support
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Module (CSM)
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* Support for detecting and using ACPI reboot ports.
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* By default, all 16bit entry points now use an internal stack to
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reduce stack footprint.
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* Floppy controller code has been rewritten to improve
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compatibility. Non-standard floppy sizes now work again with recent
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QEMU versions.
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* Several bug fixes and code cleanups
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SeaBIOS 1.7.2
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=============
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Available on 20130118. Major changes in this release:
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* Support for ICH9 host chipset ("q35") on emulators
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* Support for booting from LSI MegaRAID SAS controllers
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* Support for using the ACPI PM timer on emulators
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* Improved Geode VGA BIOS support.
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* Several bug fixes
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SeaBIOS 1.7.2.1
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---------------
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Available on 20130227. Stable release containing only bug fixes.
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SeaBIOS 1.7.2.2
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---------------
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Available on 20130527. Stable release containing only bug fixes.
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SeaBIOS 1.7.1
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=============
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Available on 20120831. Major changes in this release:
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* Initial support for booting from USB attached scsi (USB UAS) drives
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* USB EHCI 64bit controller support
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* USB MSC multi-LUN device support
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* Support for booting from LSI SCSI controllers on emulators
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* Support for booting from AMD PCscsi controllers on emulators
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* New PCI allocation code on emulators. Support 64bit PCI bars and
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mapping them above 4G.
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* Support for non-linear APIC ids on emulators.
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* Stack switching for 16bit real mode irq handlers to reduce stack
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footprint.
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* Support for custom storage in the memory at 0xc0000-0xf0000. No
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longer reserve memory for custom storage in first 640k.
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* Improved code generation for 16bit segment register loads
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* Boot code will now (by default) reboot after 60 seconds if no boot
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device found
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* CBFS and FWCFG "files" are now only scanned one time
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* Several bug fixes
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SeaBIOS 1.7.0
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=============
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Available on 20120414. Major changes in this release:
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* Many enhancements to VGA BIOS code - it should now be feature
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complete with LGPL vgabios.
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* Support for virtio-scsi.
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* Improved USB drive (usb-msc) support.
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* Several USB controller bug fixes and improvements.
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* Runtime ACPI AML PCI hotplug construction.
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* Support for running on i386 and i486 CPUs.
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* Enhancements to PCI init when running on emulators.
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* Several bug fixes
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SeaBIOS 1.6.3
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=============
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Available on 20111004. Major changes in this release:
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* Initial support for Xen
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* PCI init (on emulators) uses a two-phase initialization
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* Fixes for AHCI so it can work on real hardware. AHCI is now enabled
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by default.
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* Bootsplash support for BMP files
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* Several configuration options can now be configured at runtime via
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CBFS files (eg, "etc/boot-menu-wait")
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* PCI device scan is cached during POST phase
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* Several bug fixes
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The SeaBIOS 1.6.3 release was an incremental feature release. The
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first release number (1) was incremented as the project was no longer
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in a beta stage, and the third release number (3) was also incremented
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to indicate the release was a regular feature release.
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SeaBIOS 1.6.3.1
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---------------
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Available on 20111124. Stable release containing only bug fixes.
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SeaBIOS 1.6.3.2
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---------------
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Available on 20120311. Stable release containing only bug fixes.
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SeaBIOS 0.6.2
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=============
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Available on 20110228. Major changes in this release:
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* Setup code can relocate to high-memory to save space in c-f segments
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* Build now configured via Kconfig
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* Experimental support for AHCI controllers
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* Support for run-time configuration of the boot order (via
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CBFS/fw_cfg "bootorder" file)
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* Support T13 EDD3.0 spec
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* Improved bounds checking on PCI memory allocation
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* Several bug fixes
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SeaBIOS 0.6.1
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=============
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Available on 20100913. Major changes in this release:
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* Support for virtio drives
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* Add ACPI definitions for cpu hotplug support
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* Support for a graphical bootsplash screen
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* USB mouse support
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* The PCI support for emulators is less dependent on i440 chipset
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* New malloc implementation which improves memalign and free
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* The build system no longer double links objects
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* Several bug fixes
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SeaBIOS 0.6.1.1
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---------------
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Available on 20101031. Stable release containing only bug fixes.
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SeaBIOS 0.6.1.2
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---------------
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Available on 20101113. Stable release containing only bug fixes.
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SeaBIOS 0.6.1.3
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---------------
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Available on 20101226. Stable release containing only bug fixes.
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SeaBIOS 0.6.0
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=============
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Available on 20100326. Major changes in this release:
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* USB hub support
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* USB drive booting support
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* USB keyboard auto-repeat support
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* USB EHCI controller support
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* Several improvements to compatibility of PS2 port handlers for old
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code
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* Support for qemu e820 interface
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* Several bug fixes and code cleanups
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SeaBIOS 0.5.1
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=============
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Available on 20100108. Major changes in this release:
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* Support for 32bit PCI BIOS calls
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* Support for int1589 calls
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* MPTable fixes for OpenBSD
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* ATA DMA and bus-mastering support
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* Several bug fixes and code cleanups
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SeaBIOS 0.5.0
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=============
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Available on 20091218. Major changes in this release:
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* Several enhancements ported from the Bochs BIOS derived code in qemu
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and kvm
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* Support for parallel hardware initialization to reduce bootup times
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* Enable PCI option rom support by default (Bochs users must now
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enable CONFIG_OPTIONROMS_DEPLOYED in src/config.h). Support added
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for extracting option roms from qemu "fw_cfg".
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* Support USB UHCI and OHCI controllers
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* Initial support for USB keyboards
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* SeaBIOS can now be greater than 64K
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* Support for permanent low memory allocations
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* APIC "local interrupts" now enabled in SeaBIOS (on emulators)
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* Several bug fixes and code cleanups
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SeaBIOS 0.4.2
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=============
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Available on 20090909. Major changes in this release:
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* Implement Post Memory Manager (PMM) support. Use equivalent "malloc"
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functions for internal allocations as well.
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* Refactor disk "block" interface for greater expandability
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* Support CBFS based floppy images
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* Allow boot menu to select either floppy to boot from
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* Increase ebda size to store a CDROM harddrive/floppy emulation
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buffer
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* Support systems with multiple vga cards (only the card with the
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legacy IO ranges mapped will have its option rom executed)
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* Make option rom memory be writable during option rom execution (on
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emulators)
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* Compile version number into code and report on each boot
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* Several bug fixes and code cleanups
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SeaBIOS 0.4.1
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=============
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Available on 20090714. Major changes in this release:
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* Support older versions of gcc that predate "-fwhole-program" (eg,
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v3.x)
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* Add initial port of "LGPL vga bios" code into tree in "vgasrc/"
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directory
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* Handle ATA drives still "spinning up" during SeaBIOS drive detect
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* Add support for option rom Boot Connection Vectors (BCV)
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* Enhance boot menu to support booting from any drive or any cdrom
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* Support flash based Coreboot File System (CBFS)
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* Support booting from a CBFS "payload"
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* Support coreboot table forwarder
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* Support compile time definitions for multiple root PCI buses
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* New tools/readserial.py tool
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* Several bug fixes and code cleanups
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SeaBIOS 0.4.0
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=============
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Available on 20090206. Major changes in this release:
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* Add Bios Boot Specification (BBS) calls; add PnP call stubs
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* Support option roms stored in PCI rom BAR
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* Support rebooting on ctrl+alt+delete key press
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* Scan PCI devices for ATA adapters (don't assume legacy ISA ATA ports
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are valid)
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* Attempt to automatically determine gcc capabilities/bugs during
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build
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* Add script to layout 16bit sections at fixed offsets and in
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compacted space
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* Introduce timestamp counter based delays
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* Support POST calls that are really a resume
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* Use new stack in EBDA for int13 disk calls to reduce stack usage
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* Support the EBDA being relocated by option roms
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* Move many variables from EBDA to global variables (stored in
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f-segment)
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* Support for PCI bridges when iterating through PCI device list
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* Initial port of several KVM specific features from their Bochs BIOS
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derived code
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* Access BDA using segment 0x40 and IVT using segment 0x00 (which
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could be important for 16bit protected mode callers)
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* Several bug fixes and code cleanups
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SeaBIOS 0.3.0
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=============
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Available on 20080817. Major changes in this release:
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* Run boot code (int18/19) in 32bit mode
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* Rewrite of PS2 port handling - new code is more compatible with real
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hardware
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* Initial support for int155f VGA option rom calls
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* Several bug fixes and code cleanups
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SeaBIOS 0.2.3
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=============
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Available on 20080702. Major changes in this release:
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* Initial support for running on real hardware with coreboot
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* Support parsing coreboot tables
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* Support relocating bios tables from high memory when running under
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coreboot
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* Dynamic e820 map generation
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* Serial debug support
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* New tools/checkstack.py tool
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* Several bug fixes and code cleanups
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SeaBIOS 0.2.2
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=============
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Formerly known as "legacybios". Available on 20080501. Major changes
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in this release:
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* Several bug fixes and code cleanups
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SeaBIOS 0.2.1
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=============
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Formerly known as "legacybios". Available on 20080406. Major changes
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in this release:
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* Port of boot menu code from Bochs BIOS
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* Several bug fixes and code cleanups
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SeaBIOS 0.2.0
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=============
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Formerly known as "legacybios". Available on 20080330. Major changes
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in this release:
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* Completion of initial port of Bochs BIOS code to gcc.
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