added memory allocation flag to run command ``VM_MEMORY=<amount>G cargo run``

scripts/run_debug.sh

@@ -135,6 +135,13 @@ else
     debug_flags=""
 fi
 
+if [ $VM_MEMORY ]; then
+    vm_memory_flag="-m $VM_MEMORY"
+else
+    vm_memory_flag="-m 2G"
+fi
+
+
 if [ $USE_LEGACY_BIOS ]; then
     boot_flags=""
 else
@@ -171,6 +178,8 @@ else
     info "Running OS in QEMU..."
 fi
 
+
+
 check_test_res() {
     qemu_exit_code=$?
     if [ $qemu_exit_code -eq 33 ]; then
@@ -201,7 +210,7 @@ qemu-system-x86_64 -M q35 \
     -cdrom "$build_dir/image.iso" \
     ${kvm_flag} \
     -boot d \
-    -m 2G \
+    ${vm_memory_flag} \
     ${serial_flags} \
     -no-reboot \
     ${test_flags} \