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#!/bin/sh
set -e
WORKDIR=$(mktemp -d)
trap "rm -rf $WORKDIR" 0 INT QUIT ABRT PIPE TERM
cd $WORKDIR
cat <<EOF > sum2vars.c
// sum2vars.c
int var_a = 0x1234;
int var_b = 0x5678;
int var_c = 0x0000;
int main()
{
var_c = var_a + var_b;
var_a = var_c + var_b;
return 0;
}
EOF
cat <<EOF > start.S
.globl _start
.text
.option norelax
_start:
la x2, _end+0x4000
la x3, __global_pointer$
jal main
ebreak
EOF
# build sum2vars.o
riscv64-unknown-elf-gcc -march=rv32i -mabi=ilp32 -nostdlib -c sum2vars.c -o sum2vars.o
riscv64-unknown-elf-gcc -march=rv32i -mabi=ilp32 -nostdlib -c start.S -o start.o
riscv64-unknown-elf-gcc -march=rv32i -mabi=ilp32 -nostdlib sum2vars.o start.o -o sum2vars-riscv -lgcc
qtrvsim_cli sum2vars-riscv
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