riscv-openocd/Changelog_Nuclei.md

Nuclei OpenOCD Distribution

For Nuclei OpenOCD documentation, please check https://doc.nucleisys.com/nuclei_tools/openocd/intro.html

If the tool version and documentation version not match, please take care.

Below is the changelog for Nuclei OpenOCD.

2025.02

• improvement of ci and doc

• replace vslide1down_vx to read/write riscv vector register

• support live watch feature via riscv sba memory access channel

• organize nuclei commands into nuclei_riscv.c

• add nuclei cti command group

• update nuclei etrace command group

• optimize nuclei cpuinfo command

• add new nuclei customized csrs

  new csr addr	new csr name
  0x1a4~0x1af	smpuaddr4~15
  0x1c0~0x1ef	smpuaddr16~63

• rename nuclei customized csrs

  old name	new name
  spmpcfg0~3	smpucfg0~3
  spmpaddr0~15	smpuaddr0~15
  mfp16mode	mmisc_ctl1
  mecc_ctrl	mecc_ctl
  mstack_ctrl	mstack_ctl

• changes are based on riscv/riscv-openocd@f82c5a7

2024.06

• Add and update nuclei custom CSR
• Fix nuclei cpuinfo command implementation
• Add debug map feature for Nuclei CPU with new nuclei expose_cpu_core and nuclei examine_cpu_core commands
• changes are based on riscv/riscv-openocd
• Fix hbird/hbirdv2 flash programming, and re-route fespi to nuspi flash loader for hbird/hbirdv2 processor

2024.02

Still in development, not official release.

• Add Nuclei N100 CSR support
• Nuclei etrace support multicore trace
• Fix riscv debug 0.11 call riscv_run_algorithm error such as hbird/hbirdv2 processor
• Update and fix openocd documentation
• changes are based on riscv/riscv-openocd

2023.10

• Add nuclei command group to contains all nuclei customized commands
• Add nuclei cpuinfo dump support
• Add more spiflash devices according to customer request
• Fix gdb flash program error on address size > 32bit on windows
• Update nuclei custom csr
• Add ftdi nscan1_mode to support 2-wire cjtag for Nuclei CPU, which is replacement for ftdi oscan1_mode
• Add nuclei custom command in openocd documentation
• Experimental and may change: Add nuclei etrace command to support nuclei etrace hardware feature
• changes are based on riscv/riscv-openocd

2022.12

This is release 2022.12 of openocd.

• nor/spi:add w25q512jv
• add 'init resethalt' command
• feature:auto search custom flashloader path
• fix riscv-debug v0.11 call riscv_run_algorithm error.

2022.08

This is release 2022.08 of openocd.

• spi_nor:add xt25f256b mac25l1633e gd25q80b gd25le32e en25s40a by25q32al fm25q128 gd25B512me.
• merge upstream https://github.com/riscv/riscv-openocd commit id 52177592f9.
• custom flashloader don't rely on 'src/flash/nor/spi.c', fix memory leaks bug.

2022.04

This is release 2022.04 of openocd.

• add DSP ucode csr register
• Adjustment simulation timeout param
• Fix after write_bank/write_image command read date error bug
• Add custom flash loader in openocd, please refer wiki for how to use it
• Custom flash loader: add 'simulation' parameter for simulation test.

2022.01

This is release 2022.01 of openocd.

• optimize cjtag support for nuclei cjtag
• spi_nor: add BoHong bh25d80a bh25d40a bh25d20a
• spi_nor: Add Micron MT25QU512
• flash:"flash bank" command add simulation param
• add nuclei all custom csr
• spi_nor: Add MXIC MX25U51245G
• transport/ftdi: Update to new standard cJTAG sequence
• flash: add XinSheng RISC-V MCU CM32M4xxR flash program driver
• Add nuspi loader support.
• Add nuspi SPI flash driver support.
• Enable multi-core debug.
• Previous fespi loader will be rerouted to nuspi loader.
• Changes are based on openocd for riscv 0.11.0