sparc: Add -mcpu= compiler flags for LEON2/LEON3
Signed-off-by: Francois Retief <fgretief@spaceteq.co.za>
diff --git a/arch/sparc/config.mk b/arch/sparc/config.mk
index d615f29..43faad4 100644
--- a/arch/sparc/config.mk
+++ b/arch/sparc/config.mk
@@ -1,19 +1,25 @@
#
-# (C) Copyright 2007
-# Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
+# (C) Copyright 2015
+# Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com.
#
# SPDX-License-Identifier: GPL-2.0+
#
ifeq ($(CROSS_COMPILE),)
-CROSS_COMPILE := sparc-elf-
+CROSS_COMPILE := sparc-linux-
endif
+# This GCC compiler is known to work:
+# https://www.kernel.org/pub/tools/crosstool/files/bin/x86_64/4.9.0/
+
gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
CONFIG_STANDALONE_LOAD_ADDR ?= 0x00000000 -L $(gcclibdir) \
-T $(srctree)/examples/standalone/sparc.lds
-PLATFORM_CPPFLAGS += -D__sparc__
+cpuflags-$(CONFIG_LEON2) := -mcpu=leon
+cpuflags-$(CONFIG_LEON3) := -mcpu=leon3
+
+PLATFORM_CPPFLAGS += $(cpuflags-y)
PLATFORM_RELFLAGS += -fPIC