# Build rules
#--------------------------------------------------------------------
-RISCV_PREFIX ?= riscv64-unknown-elf-
+RISCV_PREFIX ?= riscv$(XLEN)-unknown-elf-
RISCV_GCC ?= $(RISCV_PREFIX)gcc
ENTROPY ?= -DENTROPY=$(shell echo $$$$)
RISCV_GCC_OPTS ?= $(ENTROPY) -static -mcmodel=medany -fvisibility=hidden -nostdlib -nostartfiles
RISCV_OBJDUMP ?= $(RISCV_PREFIX)objdump --disassemble-all --disassemble-zeroes --section=.text --section=.text.startup --section=.text.init --section=.data
RISCV_SIM ?= spike
-XLEN ?= 64
vpath %.S $(src_dir)