Handy commands for using the RISC-V gnu toolchain and generate .elf or .hex w/ libgcc

• compile-for-risc-v-gnu

  1 10 10.0 Assembly

  Examples for compiling code using the RISC-V gnu toolchain

• trv

  11 8 1.8 C

bruce@rip:~$ git clone https://github.com/brucehoult/trv.git Cloning into 'trv'... remote: Enumerating objects: 10, done. remote: Counting objects: 100% (10/10), done. remote: Compressing objects: 100% (8/8), done. remote: Total 10 (delta 2), reused 10 (delta 2), pack-reused 0 Receiving objects: 100% (10/10), 4.37 KiB | 4.37 MiB/s, done. Resolving deltas: 100% (2/2), done. bruce@rip:~$ cd trv bruce@rip:~/trv$ gcc -O trv.c -o trv bruce@rip:~/trv$ cat >foo.s < .globl main > main: > li a0,3 > li a1,23 > call __mulsi3 > ret > END bruce@rip:~/trv$ riscv64-unknown-elf-gcc -O -march=rv32i -mabi=ilp32 foo.s -o foo bruce@rip:~/trv$ qemu-riscv32 foo bruce@rip:~/trv$ echo $? 69 bruce@rip:~/trv$ riscv64-unknown-elf-objcopy -O ihex foo foo.hex bruce@rip:~/trv$ ./trv foo.hex bruce@rip:~/trv$ echo $? 69

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