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 @098e5a(2.2.7+)
• hexfive-kern @3d13f6(2.2.7)

2.2.2

Release notes

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

2.2.1

Release notes

• increase CLIC max sources to 256
• zone1: switch to vectored trap handler to reduce irq latency
• fix -Wall and -Wextra warnings
• fix Andes DMA bug (trap 0x7)
• 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):

• 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)
• update 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.