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Makefile: Use MIPS generic in_cksum when no target specific implementation

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The MIPS in_cksum.c method supports big and little endian targets. This
does not include any inline assembly and should be reasonable for most
targets.
This commit is contained in:
Joel Sherrill
2012-07-14 12:15:57 -05:00
parent 865a290ee4
commit e43b452e28
3 changed files with 161 additions and 82 deletions
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38
freebsd-to-rtems.py
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@@ -52,6 +52,21 @@ isOnlyMakefile = False
tempFile = "/tmp/tmp_FBRT"
filesProcessed = 0
# currently these all use the MIPS in_cksum method
CPUsNeedingGenericIncksum = [
"avr",
"bfin",
"h8300",
"lm32",
"m32c",
"m32r",
"m68k",
"nios2",
"sh",
"sparc",
"v850",
]
def usage():
print "freebsd-to-rtems.py [args]"
print " -?|-h|--help print this and exit"
@@ -346,6 +361,8 @@ class ModuleManager:
'CFLAGS += -std=gnu99\n' \
'CFLAGS += -MT $@ -MD -MP -MF $(basename $@).d\n' \
'NEED_DUMMY_PIC_IRQ=yes\n' \
'\n' \
'GENERATED_FILES =\n' \
'\n'
data += 'C_FILES =\n'
for m in self.modules:
@@ -358,6 +375,12 @@ class ModuleManager:
if cpu in ("arm", "i386", "lm32", "mips", "powerpc", "sparc"):
data += 'NEED_DUMMY_PIC_IRQ=no\n'
data += 'endif\n'
for cpu in CPUsNeedingGenericIncksum:
data += 'ifeq ($(RTEMS_CPU), ' + cpu + ')\n' \
'GENERATED_FILES += rtemsbsd/' + cpu + '/' + cpu + '/in_cksum.c\n' \
'GENERATED_FILES += rtemsbsd/' + cpu + '/include/freebsd/machine/in_cksum.h\n' \
'C_FILES += rtemsbsd/' + cpu + '/' + cpu + '/in_cksum.c\n' \
'endif\n'
data += '\n' \
'ifeq ($(NEED_DUMMY_PIC_IRQ),yes)\n' \
'CFLAGS += -I rtems-dummy-pic-irq/include\n' \
@@ -367,7 +390,7 @@ class ModuleManager:
'\n' \
'LIB = libbsd.a\n' \
'\n' \
'all: $(LIB) lib_user\n' \
'all: $(GENERATED_FILES) $(LIB) lib_user\n' \
'\n' \
'$(LIB): $(C_O_FILES)\n' \
'\t$(AR) rcu $@ $^\n' \
@@ -375,7 +398,16 @@ class ModuleManager:
'lib_user: $(LIB) install_bsd\n' \
'\t$(MAKE) -C freebsd-userspace\n' \
'\n' \
'CPU_SED = sed\n' \
'# The following targets use the MIPS Generic in_cksum routine\n'
for cpu in CPUsNeedingGenericIncksum:
data += 'rtemsbsd/' + cpu + '/' + cpu + '/in_cksum.c: freebsd/mips/mips/in_cksum.c\n' \
'\tcp $< $@\n' \
'\n' \
'rtemsbsd/' + cpu + '/include/freebsd/machine/in_cksum.h: freebsd/mips/include/freebsd/machine/in_cksum.h\n' \
'\tcp $< $@\n' \
'\n' \
data += 'CPU_SED = sed\n' \
'CPU_SED += -e \'/arm/d\'\n' \
'CPU_SED += -e \'/i386/d\'\n' \
'CPU_SED += -e \'/powerpc/d\'\n' \
@@ -403,7 +435,7 @@ class ModuleManager:
'\n' \
'clean:\n' \
'\trm -f -r $(PROJECT_INCLUDE)/rtems/freebsd\n' \
'\trm -f $(LIB) $(C_O_FILES) $(C_D_FILES)\n' \
'\trm -f $(LIB) $(C_O_FILES) $(C_D_FILES) $(GENERATED_FILES)\n' \
'\trm -f libbsd.html\n' \
'\t$(MAKE) -C freebsd-userspace clean\n' \
'\n' \