Nuclei Microcontroller Software Interface Standard V1.0.4

This is the version V1.0.4 release of Nuclei MCU Software Interface Standard(NMSIS).

• NMSIS-Core

  • add __CCM_PRESENT macro in NMSIS-Core, if CCM hardware unit is present in your CPU,
    __CCM_PRESENT macro need to be set to 1 in <Device>.h
  • Fixed mtvec related api comment in core_feature_eclic.h
  • Add safely write mtime/mtimecmp register for 32bit risc-v processor
  • rearrage #include header files for all NMSIS Core header files
  • removed some not good #pragma gcc diagnostic lines in nmsis_gcc.h

• NMSIS-DSP

  • Add initial bitmainp extension support
  • Fix bug in riscv_cmplx_mult_cmplx_q15 function when XLEN=64

• NMSIS-NN

  • Add initial bitmainp extension support
  • Change riscv_maxpool_q7_HWC implementation for rvv
  • Re-org NN_Lib_Tests to Tests

• Build System

  • Change minimal version of cmake to 3.14
  • Add REBUILD=0 to reuse previous generated Makefile

• Device Tempates

  • Fix bss section lma and vma not aligned and tbss space not reserved

• CI

  • Change NMSIS to use Nuclei SDK demosoc as ci run target
  • only run ci on master/develop branch

• Documentation

  • Update get started guide for dsp/nn library