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Releases: riscv-software-src/opensbi

OpenSBI Version 1.5.1

02 Aug 03:31
v1.5.1
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This intermediate release has following fixes:

  • Save/restore menvcfg only when it exists
  • Adjust Sscofpmf mhpmevent mask for upper 8 bits
  • Fix potential NULL pointer dereferences in SBI DBTR
  • Fix incorrect size passed to sbi_zalloc() in SBI FWFT
  • Check result of pmp_get() in is_pmp_entry_mapped()

OpenSBI Version 1.5

30 Jun 09:33
v1.5
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This release has:

  • SBI debug triggers (DBTR) extension (Experimental)
  • Support to specify coldboot harts in DT
  • Relocatable FW_JUMP_ADDR and FW_JUMP_FDT_ADDR
  • Smcsrind and Smcdeleg extensions support
  • SBIUnit testing framework
  • Initial domain context management support
  • Platform specific load/store emulation callbacks
  • New trap context
  • Improved sbi_trap_error() to dump state in a nested trap
  • SBI supervisor software events (SSE) extension (Experimental)
  • Simplified wait_for_coldboot() implementation
  • Early wakeup of non-coldboot HART in the coldboot path
  • Sophgo CV18XX/SG200X series support
  • APLIC delegation DT property fix
  • Svade and Svadu extensions support
  • SBI firmware features (FWFT) extension (Experimental)

Overall, this release mainly adds more ISA extensions, SBI extensions and other improvements.

OpenSBI Version 1.4

27 Dec 15:58
v1.4
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This release has:

  • Synopsys DesignWare APB GPIO driver
  • Zicntr and Zihpm support
  • Console print improvements
  • Smepmp support
  • Simple FDT based syscon regmap driver
  • Syscon based reboot and poweroff driver
  • Non-contiguous hpm counters
  • Smcntrpmf support
  • Full sparse hartid support
  • IPI improvements
  • RFENCE improvements
  • Zkr support
  • Andes custom PMU support

Overall, this release mainly adds more ISA extensions, drivers and other improvements.

OpenSBI Version 1.3.1

19 Jul 13:20
v1.3.1
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This intermediate release has:

  • ACLINT driver fix for disabled CPUs
  • SBI PMU fix for out-of-bound access
  • Designware GPIO driver

Overall, this is our first intermediate release with a crucial
for ACLINT drivers.

OpenSBI Version 1.3

23 Jun 07:09
v1.3
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This release has:

  • Allow platform to influence cold boot HART selection
  • Starfive JH7110 platform support
  • Split RX and RW firmware regions
  • Advertise non-retentive suspend for allwinner D1 platform
  • Byteorder/endianness conversion macros
  • SBI debug console extension (Experimental)
  • Configure the PMA regions for RZ/Five platform
  • SBI system suspend extension (Experimental)
  • SBI PMU platform firmware events (Experimental)
  • SBI CPPC extension (Experimental)
  • Optimized remote TLB flushes
  • Simple heap for boot time memory allocations
  • Bring back no-map DT property for reserved memory nodes

Overall, this release mainly adds new SBI extensions along with other improvements.

OpenSBI Version 1.2

24 Dec 09:53
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This release has:

  • Menuconfig support using Kconfiglib v14.1.0
  • RISC-V AIA v1.0.0 support
  • Cadence UART driver
  • Platform specific PMU device operations
  • Trap handling improvements for platforms with H-extension
  • Semihosting support
  • T-HEAD C9XX PMU and CLINT support
  • FDT based drivers for Andes AE350 platform
  • Andes AE350 platform improvements
  • Allow enabling/disabling of SBI extensions via Kconfig
  • Renesas SCIF serial driver
  • Renesas RZ/Five platform support

Overall, this release mainly adds Kconfig support, new drivers and new platforms along with other improvements.

OpenSBI Version 1.1

25 Jun 03:56
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This release has:

  • SBI PMU improvements
  • RISC-V AIA v0.3.0 draft support
  • Simple external interrupt handling framework
  • Xilinx UART-Lite driver
  • RISC-V privilege specification v1.12 support
  • RISC-V Svpbmt extension support
  • RISC-V Smstateen extension support
  • RISC-V Sstc extension support
  • RISC-V privilege specification version detection
  • Platform callback to populate HART extensions
  • Compile time C arrays support
  • Probing FDT based drivers using compile time C arrays
  • SBI HSM improvements
  • Allwinner D1 platform support
  • Trap redirection improvements related to [m|h]tinst CSR
  • SBI v1.0 specification support

Overall, this release mainly adds support for various RISC-V ISA extensions ratified in December 2021 along with other improvements.

OpenSBI Version 1.0

24 Dec 12:20
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This release has:

  • SBI HSM suspend defined by SBI v0.3 specification
  • Position independent execution for firmware
  • Ticket based spinlocks
  • Simplified / reduced platform callbacks
  • ACLINT MTIMER and MSWI support
  • SBI PMU extension defined by SBI v0.3 specification
  • Simple FDT based GPIO driver framework
  • Improved reset driver framework along with various reset drivers
  • Generic timer delay loop APIs
  • RISC-V Sscofpmf extension support
  • Simple FDT based I2C driver framework along with SiFive I2C driver
  • UART drivers for Gaisler and LiteX platforms

Overall, this release completes a major milestone by implementing the SBI v0.3 specification along with various other improvements.

OpenSBI Version 0.9

18 Jan 14:13
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This release has:

  • Lots of fixes and improvements
  • Optimized trap handler for both RV32 and RV64
  • Domain support for system-level partitioning
  • Device tree based domain configuration
  • SBI v0.3 SRST extension
  • More detailed boot-time prints
  • Makefile option to use toolchain default ISA and ABI

OpenSBI Version 0.8

20 Jun 10:41
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This release has:

  • Simple FDT timer driver framework
  • Simple FDT ipi driver framework
  • Simple FDT irqchip driver framework
  • Simple FDT serial framework
  • Generic FDT based platform support
  • Nuclei UX600 platform support
  • Detect HART CSRs at boot time
  • Multi-PLIC support
  • Multi-CLINT support
  • Allow multiple builtin DTBs
  • Hypervisor v0.6.1 specification support
  • Shakti C-class platform support