2.2.8

Release notes

• fix issue #63: incorrect irq routing of plic sources > 31
• hexfive-conf@95470e
• hexfive-kern@7fcd98
• minor non-functional changes to zones
• update README links to 2.2.8

2.2.7

Release Notes

• Add support for IAR tools and C startup code (irq vector)
• Fix standard CLINT vectored mode (jmp instr)
• Fix various trap & emulation bugs (E21 CLIC)
• Add vector table mtvec.s (CLINT/CLIC)
• Minor changes to zones' code to comply with standard CLINT vector
• hexfive-conf @29253d
• hexfive-kern @3d13f6

2.2.6

Release notes

• important security updates
• update arty .mcs release assets
• hexfive-conf @7a9dd5 (v2.2.6)
• hexfive-ker @261971 (v2.2.6)

2.2.5

Release notes

• important security updates
• multizone.jar @1ffdeaf (v2.2.5+)
• kernel @b6c4807 (v2.2.5+)

2.2.2

Release notes

• important security updates
• multizone.jar @e07983 (v2.2.2)
• kernel @5abf12 (v2.2.2)

2.2.1

Release notes

• add support for SiFive E21 (4 PMP regs / SiFive CLIC)
• add prebuilt bitstreams for Arty A7 35T and 100T
• increase CLIC max sources to 256
• zone1: add printf.c and strtok.c to reduce code size < 16K
• zone1: switch to vectored trap handler to reduce irq latency
• fix -Wall and -Wextra warnings
• update riscv-gnu-toolchain-20210618 (rv32i|rv32e|rv64i)mac
• update manual.pdf and README.md

multizone.jar @1b9f31 (v2.2.1) / kernel @6b58e8 (v2.2.1):

• major redesign of kernel internal data structures
• up to 32/64 clint + 64/128 plic sources
• up to 256 clic sources for both rv32 and rv64
• reduce size of most kern vars from REGSIZE to 4-byte
• increase trap & emulation i-cache size
• add support for SiFive clic (E21)
• reintroduce support for rv32e 16-regs
• update riscv-gnu-toolchain-20210618 (rv32i|rv32e|rv64i)c

2.2.0

v2.2.0 includes important security updates, expanded hardware support for Xilinx, SiFive, Microchip, and Andes, secure DMA transfers, and out-of-the-box integration with FreeRTOS and Eclipse IDE.

2.0.0

v2.0.0-stable

1.0.0

v1.0.0-stable