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Merge pull request #246 from gsomlo/gls-native-rv64 

software: use native toolchain for same host, target architectures
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enjoy-digital 2019-08-23 21:36:51 +02:00 committed by GitHub
parent d36f1fb7d2 6d844a038a
commit d79cd87dd6
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2 changed files with 10 additions and 0 deletions
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6
litex/soc/integration/cpu_interface.py
View File

@ -15,6 +15,7 @@
import os import os
import json import json
from shutil import which from shutil import which
from sysconfig import get_platform
from migen import * from migen import *
@ -58,8 +59,13 @@ def get_cpu_mak(cpu):
r = None r = None
if not isinstance(triple, tuple): if not isinstance(triple, tuple):
triple = (triple,) triple = (triple,)
p = get_platform()
for i in range(len(triple)): for i in range(len(triple)):
t = triple[i] t = triple[i]
# use native toolchain if host and target platforms are the same
if t == 'riscv64-unknown-elf' and p == 'linux-riscv64':
r = '--native--'
break
if which(t+"-gcc"): if which(t+"-gcc"):
r = t r = t
break break

4
litex/soc/software/common.mak
View File

@ -1,4 +1,8 @@
ifeq ($(TRIPLE),--native--)
TARGET_PREFIX=
else
TARGET_PREFIX=$(TRIPLE)- TARGET_PREFIX=$(TRIPLE)-
endif
RM ?= rm -f RM ?= rm -f
PYTHON ?= python3 PYTHON ?= python3