Specify Spike ISA explicitly

[riscv-tests.git] / benchmarks / Makefile

diff --git a/benchmarks/Makefile b/benchmarks/Makefile
index e294f720df287fc392a60a66cf01f0288bb19493..bc179279c8c49c10c325858a0feed67f2c82a16a 100644 (file)
--- a/benchmarks/Makefile
+++ b/benchmarks/Makefile
@@ -4,6 +4,8 @@
 # Yunsup Lee (yunsup@cs.berkeley.edu)
 #
 
+XLEN ?= 64
+
 default: all
 
 src_dir = .
@@ -46,14 +48,14 @@ bmarks_host = \
 HOST_OPTS = -std=gnu99 -DPREALLOCATE=0 -DHOST_DEBUG=1
 HOST_COMP = gcc $(HOST_OPTS)
 
-RISCV_PREFIX ?= riscv64-unknown-elf-
+RISCV_PREFIX ?= riscv$(XLEN)-unknown-elf-
 RISCV_GCC ?= $(RISCV_PREFIX)gcc
 RISCV_GCC_OPTS ?= -mcmodel=medany -static -std=gnu99 -O2 -ffast-math -fno-common -fno-builtin-printf
 RISCV_LINK ?= $(RISCV_GCC) -T $(src_dir)/common/test.ld $(incs)
 RISCV_LINK_MT ?= $(RISCV_GCC) -T $(src_dir)/common/test-mt.ld
 RISCV_LINK_OPTS ?= -nostdlib -nostartfiles -ffast-math -lgcc
 RISCV_OBJDUMP ?= $(RISCV_PREFIX)objdump --disassemble-all --disassemble-zeroes --section=.text --section=.text.startup --section=.data
-RISCV_SIM ?= spike
+RISCV_SIM ?= spike --isa=rv$(XLEN)gc
 
 VPATH += $(addprefix $(src_dir)/, $(bmarks))
 VPATH += $(src_dir)/common