mariscv.bat

@echo off
setlocal

path=C:\Users\david\OneDrive\riscv-gcc\bin;%path%
path=C:\Users\david\OneDrive\riscv-gcc\bin\riscv64-unknown-elf;%path%
path=c:\users\david\onedrive\riscv-gcc\riscv64-unknown-elf\bin;%path%
path=C:\Users\david\OneDrive\riscv-gcc\bin\libexec\gcc\riscv64-unknown-elf\8.2.0;%path%

rem RVC is instruction compression for risc-v -- 16 bit compact-opcodes for many 32-bit opcodes
rem set RVCFLAG=c

rem COND_EXTENSION: if set, apps use RISC-V extension conditional move and conditional return instructions 
rem as -a=%1.lst -mabi=lp64f -march=rv64imaf%RVCFLAG% -fpic %1.s -o %1.o
as -a=%1.lst --defsym COND_EXTENSION=1 -mabi=lp64f -march=rv64imaf%RVCFLAG% -fpic %1.s -o %1.o

as -a=rvos_shell.lst -mabi=lp64f -march=rv64imaf%RVCFLAG% --defsym DEFINESTART=1 -fpic rvos_shell.s -o rvos_shell.o

riscv64-unknown-elf-g++ ^
  -mcmodel=medany -mabi=lp64f -march=rv64imaf%RVCFLAG% -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields ^
  -fno-zero-initialized-in-bss -Os -ggdb -nostartfiles -static -Wl,--gc-sections -Wl,-static -Wl,--whole-archive -Wl,--no-whole-archive ^
  -Wl,-EL -Wl,--no-relax "rvos_shell.o" "%1.o" -o "%1.elf" -Wl,--start-group -lgcc -lm -lc -Wl,-lgcc -lm -lc -Wl,--end-group