Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Browse files

software: go back to GCC

  • Loading branch information...
commit 20003f0adac77cdd695b956740ebefa99b71df65 1 parent c56c916
@sbourdeauducq sbourdeauducq authored
View
1  .gitignore
@@ -1,7 +1,6 @@
__pycache__
build/*
*.o
-*.ts
*.d
*.a
*.bin
View
19 README
@@ -17,17 +17,15 @@ production version of Milkymist SoC, visit:
[> Instructions (software)
--------------------------
1. Compile and install binutils. Take the latest version from GNU.
- ./configure --target=lm32-elf
+ mkdir build && cd build
+ ../configure --target=lm32-elf
make
make install
-2. Compile and install LLVM and Clang.
- git clone git://github.com/milkymist/llvm-lm32.git
- cd llvm-lm32/tools
- git clone git://github.com/milkymist/clang-lm32.git clang
- cd ..
- mkdir build
- cmake ..
+2. Compile and install GCC 4.5. Take gcc-core and gcc-g++ from GNU.
+ rm -rf libstdc++-v3
+ mkdir build && cd build
+ ../configure --target=lm32-elf --enable-languages="c,c++" --disable-libgcc --disable-libssp
make
make install
@@ -42,8 +40,7 @@ production version of Milkymist SoC, visit:
make flash
The second command requires m1nor, FJMEM and UrJTAG.
-These tools can be found respectively at:
- http://projects.qi-hardware.com/index.php/p/wernermisc/
+These tools can be found at:
https://github.com/milkymist/fjmem-m1
http://urjtag.org
@@ -84,7 +81,7 @@ The authors grant the additional permissions that the code can be used in
conjunction with the LatticeMico32 CPU core from Lattice.
Unless otherwise noted, Milkymist-NG's source code is copyright (C)
-2011-2012 Sebastien Bourdeauducq. Other authors retain ownership of their
+2011-2013 Sebastien Bourdeauducq. Other authors retain ownership of their
contributions. If a submission can reasonably be considered independently
copyrightable, it's yours and I encourage you to claim it with
appropriate copyright notices. This submission then falls under the
View
35 software/common.mak
@@ -1,19 +1,18 @@
-TARGET_PREFIX=lm32-elf
-CLANG=clang -target lm32
+TARGET_PREFIX=lm32-elf-
-CC_normal := $(CLANG)
-AS_normal := $(TARGET_PREFIX)-as
-AR_normal := $(TARGET_PREFIX)-ar
-LD_normal := $(TARGET_PREFIX)-ld
-OBJCOPY_normal := $(TARGET_PREFIX)-objcopy
-RANLIB_normal := $(TARGET_PREFIX)-ranlib
+CC_normal := $(TARGET_PREFIX)gcc
+AS_normal := $(TARGET_PREFIX)as
+AR_normal := $(TARGET_PREFIX)ar
+LD_normal := $(TARGET_PREFIX)ld
+OBJCOPY_normal := $(TARGET_PREFIX)objcopy
+RANLIB_normal := $(TARGET_PREFIX)ranlib
-CC_quiet = @echo " CC " $@ && $(CLANG)
-AS_quiet = @echo " AS " $@ && $(TARGET_PREFIX)-as
-AR_quiet = @echo " AR " $@ && $(TARGET_PREFIX)-ar
-LD_quiet = @echo " LD " $@ && $(TARGET_PREFIX)-ld
-OBJCOPY_quiet = @echo " OBJCOPY " $@ && $(TARGET_PREFIX)-objcopy
-RANLIB_quiet = @echo " RANLIB " $@ && $(TARGET_PREFIX)-ranlib
+CC_quiet = @echo " CC " $@ && $(TARGET_PREFIX)gcc
+AS_quiet = @echo " AS " $@ && $(TARGET_PREFIX)as
+AR_quiet = @echo " AR " $@ && $(TARGET_PREFIX)ar
+LD_quiet = @echo " LD " $@ && $(TARGET_PREFIX)ld
+OBJCOPY_quiet = @echo " OBJCOPY " $@ && $(TARGET_PREFIX)objcopy
+RANLIB_quiet = @echo " RANLIB " $@ && $(TARGET_PREFIX)ranlib
ifeq ($(V),1)
CC = $(CC_normal)
@@ -34,22 +33,22 @@ endif
# Toolchain options
#
INCLUDES = -I$(M2DIR)/software/include/base -I$(M2DIR)/software/include -I$(M2DIR)/common
-CFLAGS = -O3 -Wall -Wstrict-prototypes -Wold-style-definition -Wshadow \
- -Wmissing-prototypes -nostdinc $(INCLUDES)
+CFLAGS = -O3 -mbarrel-shift-enabled -mmultiply-enabled -mdivide-enabled -msign-extend-enabled \
+ -Wall -Wstrict-prototypes -Wold-style-definition -Wshadow \
+ -Wmissing-prototypes -fno-builtin -nostdinc $(INCLUDES)
LDFLAGS = -nostdlib -nodefaultlibs
# compile and generate dependencies, based on
# http://scottmcpeak.com/autodepend/autodepend.html
define compile-dep
-$(CC) -c $(CFLAGS) $< -o $*.ts -S
+$(CC) -c $(CFLAGS) $< -o $*.o
@$(CC_normal) -MM $(CFLAGS) $< > $*.d
@mv -f $*.d $*.d.tmp
@sed -e 's|.*:|$*.o:|' < $*.d.tmp > $*.d
@sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | \
sed -e 's/^ *//' -e 's/$$/:/' >> $*.d
@rm -f $*.d.tmp
-@$(AS_normal) -o $*.o $*.ts
endef
define assemble
View
2  software/libcompiler-rt/Makefile
@@ -4,7 +4,7 @@ include $(M2DIR)/software/common.mak
CFLAGS+=-D_YUGA_LITTLE_ENDIAN=0 -D_YUGA_BIG_ENDIAN=1 -Wno-missing-prototypes
OBJECTS=divsi3.o modsi3.o comparedf2.o negsf2.o negdf2.o addsf3.o subsf3.o mulsf3.o divsf3.o lshrdi3.o muldi3.o divdi3.o ashldi3.o ashrdi3.o udivmoddi4.o \
- floatsisf.o floatunsisf.o fixsfsi.o fixunssfsi.o adddf3.o subdf3.o muldf3.o divdf3.o floatsidf.o floatunsidf.o floatdidf.o fixdfsi.o fixunsdfsi.o
+ floatsisf.o floatunsisf.o fixsfsi.o fixunssfsi.o adddf3.o subdf3.o muldf3.o divdf3.o floatsidf.o floatunsidf.o floatdidf.o fixdfsi.o fixunsdfsi.o clzsi2.o
all: libcompiler-rt.a
Please sign in to comment.
Something went wrong with that request. Please try again.