| History of SeaBIOS releases. Please see [download](Download) for |
| information on obtaining these releases. |
| |
| SeaBIOS 1.14.0 |
| ============== |
| |
| Available on 20200810. Major changes in this release: |
| |
| * New virtio MMIO support. Support for finding virtio MMIO devices via |
| an ACPI DSDT parser. Support for handling a large number of virtio |
| devices. |
| * Improved handling of USB keyboards with non-standard packet size. |
| * Improved KVM CPU frequency detection. |
| * Support for PCI mmconfig support on QEMU. |
| * Several bug fixes and code cleanups. |
| |
| SeaBIOS 1.13.0 |
| ============== |
| |
| Available on 20191209. Major changes in this release: |
| |
| * Support for reading logical CHS drive information from QEMU |
| * Workaround added for misbehaving optionroms that grab "int19" |
| * The TPM 2 "PCR bank" option can now be set from the TPM menu |
| * SeaVGABIOS support for QEMU "atiext" display |
| * Several bug fixes and code cleanups |
| |
| SeaBIOS 1.12.0 |
| ============== |
| |
| Available on 20181117. Major changes in this release: |
| |
| * Initial support for "TPM CRB" hardware |
| * Improved cdrom media reporting in the boot menu on QEMU |
| * Improved floppy support on real floppy hardware |
| * SeaVGABIOS support for QEMU "bochs-display" and QEMU "ramfb" displays |
| * Several bug fixes and code cleanups |
| |
| SeaBIOS 1.12.1 |
| -------------- |
| |
| Available on 20190314. Stable release containing only bug fixes. |
| |
| SeaBIOS 1.11.0 |
| ============== |
| |
| Available on 20171110. Major changes in this release: |
| |
| * Initial support for NVME drives |
| * Support for vga emulation over a serial port in SeaBIOS (sercon) |
| * Support for serial debugging using MMIO based serial ports |
| * Support for scsi devices with multiple LUNs |
| * Support for boot-to-boot persistent coreboot cbmem logs |
| * Improved coreboot vga (cbvga) mode setting compatibility |
| * Several bug fixes and code cleanups |
| |
| SeaBIOS 1.11.1 |
| -------------- |
| |
| Available on 20180319. Stable release containing only bug fixes. |
| |
| SeaBIOS 1.11.2 |
| -------------- |
| |
| Available on 20180702. Stable release containing only bug fixes. |
| |
| SeaBIOS 1.10.0 |
| ============== |
| |
| Available on 20161026. Major changes in this release: |
| |
| * Initial support for Trusted Platform Module (TPM) version 2.0 |
| * Several USB XHCI timing fixes on real hardware |
| * Support for "LSI MPT Fusion" scsi controllers on QEMU |
| * Support for virtio devices mapped above 4GB |
| * Several bug fixes and code cleanups |
| |
| SeaBIOS 1.10.1 |
| -------------- |
| |
| Available on 20161122. Stable release containing only bug fixes. |
| |
| |
| SeaBIOS 1.10.2 |
| -------------- |
| |
| Available on 20170228. Stable release containing only bug fixes. |
| |
| SeaBIOS 1.10.3 |
| -------------- |
| |
| Available on 20171019. Stable release containing only bug fixes. |
| |
| SeaBIOS 1.9.0 |
| ============= |
| |
| Available on 20151117. Major changes in this release: |
| |
| * The default boot menu key is now the ESC key (instead of F12) |
| * Initial support for Trusted Platform Module (TPM) hardware and BIOS calls |
| * Initial support for chain loading SeaBIOS from Grub (via multiboot |
| support) |
| * Initial support for booting from SD cards on real hardware |
| * virtio 1.0 device support |
| * The build will no longer include the build hostname or build time on |
| "clean" builds. This makes the build binaries more "reproducible". |
| * Basic support for running SeaBIOS on Baytrail Chromebooks |
| * SeaVGABIOS improvements: |
| * Improved support for old versions of x86emu (the "leal" |
| instruction is now emulated) |
| * Several bug fixes and code cleanups |
| |
| SeaBIOS 1.9.1 |
| ------------- |
| |
| Available on 20160215. Stable release containing only bug fixes. |
| |
| SeaBIOS 1.9.2 |
| ------------- |
| |
| Available on 20160422. Stable release containing only bug fixes. |
| |
| SeaBIOS 1.9.3 |
| ------------- |
| |
| Available on 20160701. Stable release containing only bug fixes. |
| |
| 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 1.8.1 |
| ------------- |
| |
| Available on 20150316. Stable release containing only bug fixes. |
| |
| SeaBIOS 1.8.2 |
| ------------- |
| |
| Available on 20150617. Stable release containing only bug fixes. |
| |
| 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. |
