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https://git.rtems.org/rtems-libbsd/
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Makefile: Use MIPS generic in_cksum when no target specific implementation
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
parent
865a290ee4
commit
e43b452e28
128
Makefile
128
Makefile
@ -16,6 +16,8 @@ CFLAGS += -std=gnu99
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CFLAGS += -MT $@ -MD -MP -MF $(basename $@).d
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NEED_DUMMY_PIC_IRQ=yes
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GENERATED_FILES =
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C_FILES =
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C_FILES += rtemsbsd/dev/usb/controller/ohci_lpc24xx.c
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C_FILES += rtemsbsd/dev/usb/controller/ohci_lpc32xx.c
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@ -443,6 +445,61 @@ endif
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ifeq ($(RTEMS_CPU), sparc64)
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C_FILES += freebsd/sparc64/sparc64/in_cksum.c
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endif
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ifeq ($(RTEMS_CPU), avr)
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GENERATED_FILES += rtemsbsd/avr/avr/in_cksum.c
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GENERATED_FILES += rtemsbsd/avr/include/freebsd/machine/in_cksum.h
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C_FILES += rtemsbsd/avr/avr/in_cksum.c
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endif
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ifeq ($(RTEMS_CPU), bfin)
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GENERATED_FILES += rtemsbsd/bfin/bfin/in_cksum.c
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GENERATED_FILES += rtemsbsd/bfin/include/freebsd/machine/in_cksum.h
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C_FILES += rtemsbsd/bfin/bfin/in_cksum.c
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endif
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ifeq ($(RTEMS_CPU), h8300)
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GENERATED_FILES += rtemsbsd/h8300/h8300/in_cksum.c
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GENERATED_FILES += rtemsbsd/h8300/include/freebsd/machine/in_cksum.h
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C_FILES += rtemsbsd/h8300/h8300/in_cksum.c
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endif
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ifeq ($(RTEMS_CPU), lm32)
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GENERATED_FILES += rtemsbsd/lm32/lm32/in_cksum.c
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GENERATED_FILES += rtemsbsd/lm32/include/freebsd/machine/in_cksum.h
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C_FILES += rtemsbsd/lm32/lm32/in_cksum.c
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endif
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ifeq ($(RTEMS_CPU), m32c)
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GENERATED_FILES += rtemsbsd/m32c/m32c/in_cksum.c
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GENERATED_FILES += rtemsbsd/m32c/include/freebsd/machine/in_cksum.h
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C_FILES += rtemsbsd/m32c/m32c/in_cksum.c
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endif
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ifeq ($(RTEMS_CPU), m32r)
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GENERATED_FILES += rtemsbsd/m32r/m32r/in_cksum.c
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GENERATED_FILES += rtemsbsd/m32r/include/freebsd/machine/in_cksum.h
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C_FILES += rtemsbsd/m32r/m32r/in_cksum.c
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endif
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ifeq ($(RTEMS_CPU), m68k)
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GENERATED_FILES += rtemsbsd/m68k/m68k/in_cksum.c
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GENERATED_FILES += rtemsbsd/m68k/include/freebsd/machine/in_cksum.h
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C_FILES += rtemsbsd/m68k/m68k/in_cksum.c
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endif
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ifeq ($(RTEMS_CPU), nios2)
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GENERATED_FILES += rtemsbsd/nios2/nios2/in_cksum.c
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GENERATED_FILES += rtemsbsd/nios2/include/freebsd/machine/in_cksum.h
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C_FILES += rtemsbsd/nios2/nios2/in_cksum.c
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endif
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ifeq ($(RTEMS_CPU), sh)
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GENERATED_FILES += rtemsbsd/sh/sh/in_cksum.c
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GENERATED_FILES += rtemsbsd/sh/include/freebsd/machine/in_cksum.h
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C_FILES += rtemsbsd/sh/sh/in_cksum.c
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endif
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ifeq ($(RTEMS_CPU), sparc)
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GENERATED_FILES += rtemsbsd/sparc/sparc/in_cksum.c
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GENERATED_FILES += rtemsbsd/sparc/include/freebsd/machine/in_cksum.h
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C_FILES += rtemsbsd/sparc/sparc/in_cksum.c
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endif
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ifeq ($(RTEMS_CPU), v850)
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GENERATED_FILES += rtemsbsd/v850/v850/in_cksum.c
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GENERATED_FILES += rtemsbsd/v850/include/freebsd/machine/in_cksum.h
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C_FILES += rtemsbsd/v850/v850/in_cksum.c
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endif
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ifeq ($(NEED_DUMMY_PIC_IRQ),yes)
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CFLAGS += -I rtems-dummy-pic-irq/include
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@ -452,7 +509,7 @@ C_D_FILES = $(C_FILES:%.c=%.d)
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LIB = libbsd.a
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all: $(LIB) lib_user
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all: $(GENERATED_FILES) $(LIB) lib_user
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$(LIB): $(C_O_FILES)
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$(AR) rcu $@ $^
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@ -460,6 +517,73 @@ $(LIB): $(C_O_FILES)
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lib_user: $(LIB) install_bsd
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$(MAKE) -C freebsd-userspace
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# The following targets use the MIPS Generic in_cksum routine
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rtemsbsd/avr/avr/in_cksum.c: freebsd/mips/mips/in_cksum.c
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cp $< $@
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rtemsbsd/avr/include/freebsd/machine/in_cksum.h: freebsd/mips/include/freebsd/machine/in_cksum.h
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cp $< $@
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rtemsbsd/bfin/bfin/in_cksum.c: freebsd/mips/mips/in_cksum.c
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cp $< $@
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rtemsbsd/bfin/include/freebsd/machine/in_cksum.h: freebsd/mips/include/freebsd/machine/in_cksum.h
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cp $< $@
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rtemsbsd/h8300/h8300/in_cksum.c: freebsd/mips/mips/in_cksum.c
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cp $< $@
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rtemsbsd/h8300/include/freebsd/machine/in_cksum.h: freebsd/mips/include/freebsd/machine/in_cksum.h
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cp $< $@
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rtemsbsd/lm32/lm32/in_cksum.c: freebsd/mips/mips/in_cksum.c
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cp $< $@
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rtemsbsd/lm32/include/freebsd/machine/in_cksum.h: freebsd/mips/include/freebsd/machine/in_cksum.h
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cp $< $@
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rtemsbsd/m32c/m32c/in_cksum.c: freebsd/mips/mips/in_cksum.c
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cp $< $@
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rtemsbsd/m32c/include/freebsd/machine/in_cksum.h: freebsd/mips/include/freebsd/machine/in_cksum.h
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cp $< $@
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rtemsbsd/m32r/m32r/in_cksum.c: freebsd/mips/mips/in_cksum.c
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cp $< $@
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rtemsbsd/m32r/include/freebsd/machine/in_cksum.h: freebsd/mips/include/freebsd/machine/in_cksum.h
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cp $< $@
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rtemsbsd/m68k/m68k/in_cksum.c: freebsd/mips/mips/in_cksum.c
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cp $< $@
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rtemsbsd/m68k/include/freebsd/machine/in_cksum.h: freebsd/mips/include/freebsd/machine/in_cksum.h
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cp $< $@
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rtemsbsd/nios2/nios2/in_cksum.c: freebsd/mips/mips/in_cksum.c
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cp $< $@
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rtemsbsd/nios2/include/freebsd/machine/in_cksum.h: freebsd/mips/include/freebsd/machine/in_cksum.h
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cp $< $@
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rtemsbsd/sh/sh/in_cksum.c: freebsd/mips/mips/in_cksum.c
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cp $< $@
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rtemsbsd/sh/include/freebsd/machine/in_cksum.h: freebsd/mips/include/freebsd/machine/in_cksum.h
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cp $< $@
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rtemsbsd/sparc/sparc/in_cksum.c: freebsd/mips/mips/in_cksum.c
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cp $< $@
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rtemsbsd/sparc/include/freebsd/machine/in_cksum.h: freebsd/mips/include/freebsd/machine/in_cksum.h
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cp $< $@
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rtemsbsd/v850/v850/in_cksum.c: freebsd/mips/mips/in_cksum.c
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cp $< $@
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rtemsbsd/v850/include/freebsd/machine/in_cksum.h: freebsd/mips/include/freebsd/machine/in_cksum.h
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cp $< $@
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CPU_SED = sed
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CPU_SED += -e '/arm/d'
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CPU_SED += -e '/i386/d'
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@ -488,7 +612,7 @@ install_user:
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clean:
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rm -f -r $(PROJECT_INCLUDE)/rtems/freebsd
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rm -f $(LIB) $(C_O_FILES) $(C_D_FILES)
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rm -f $(LIB) $(C_O_FILES) $(C_D_FILES) $(GENERATED_FILES)
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rm -f libbsd.html
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$(MAKE) -C freebsd-userspace clean
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@ -52,6 +52,21 @@ isOnlyMakefile = False
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tempFile = "/tmp/tmp_FBRT"
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filesProcessed = 0
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# currently these all use the MIPS in_cksum method
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CPUsNeedingGenericIncksum = [
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"avr",
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"bfin",
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"h8300",
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"lm32",
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"m32c",
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"m32r",
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"m68k",
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"nios2",
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"sh",
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"sparc",
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"v850",
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]
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def usage():
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print "freebsd-to-rtems.py [args]"
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print " -?|-h|--help print this and exit"
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@ -346,6 +361,8 @@ class ModuleManager:
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'CFLAGS += -std=gnu99\n' \
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'CFLAGS += -MT $@ -MD -MP -MF $(basename $@).d\n' \
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'NEED_DUMMY_PIC_IRQ=yes\n' \
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'\n' \
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'GENERATED_FILES =\n' \
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'\n'
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data += 'C_FILES =\n'
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for m in self.modules:
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@ -358,6 +375,12 @@ class ModuleManager:
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if cpu in ("arm", "i386", "lm32", "mips", "powerpc", "sparc"):
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data += 'NEED_DUMMY_PIC_IRQ=no\n'
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data += 'endif\n'
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for cpu in CPUsNeedingGenericIncksum:
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data += 'ifeq ($(RTEMS_CPU), ' + cpu + ')\n' \
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'GENERATED_FILES += rtemsbsd/' + cpu + '/' + cpu + '/in_cksum.c\n' \
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'GENERATED_FILES += rtemsbsd/' + cpu + '/include/freebsd/machine/in_cksum.h\n' \
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'C_FILES += rtemsbsd/' + cpu + '/' + cpu + '/in_cksum.c\n' \
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'endif\n'
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data += '\n' \
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'ifeq ($(NEED_DUMMY_PIC_IRQ),yes)\n' \
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'CFLAGS += -I rtems-dummy-pic-irq/include\n' \
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@ -367,7 +390,7 @@ class ModuleManager:
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'\n' \
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'LIB = libbsd.a\n' \
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'\n' \
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'all: $(LIB) lib_user\n' \
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'all: $(GENERATED_FILES) $(LIB) lib_user\n' \
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'\n' \
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'$(LIB): $(C_O_FILES)\n' \
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'\t$(AR) rcu $@ $^\n' \
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@ -375,7 +398,16 @@ class ModuleManager:
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'lib_user: $(LIB) install_bsd\n' \
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'\t$(MAKE) -C freebsd-userspace\n' \
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'\n' \
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'CPU_SED = sed\n' \
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'# The following targets use the MIPS Generic in_cksum routine\n'
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for cpu in CPUsNeedingGenericIncksum:
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data += 'rtemsbsd/' + cpu + '/' + cpu + '/in_cksum.c: freebsd/mips/mips/in_cksum.c\n' \
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'\tcp $< $@\n' \
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'\n' \
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'rtemsbsd/' + cpu + '/include/freebsd/machine/in_cksum.h: freebsd/mips/include/freebsd/machine/in_cksum.h\n' \
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'\tcp $< $@\n' \
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'\n' \
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data += 'CPU_SED = sed\n' \
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'CPU_SED += -e \'/arm/d\'\n' \
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'CPU_SED += -e \'/i386/d\'\n' \
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'CPU_SED += -e \'/powerpc/d\'\n' \
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@ -403,7 +435,7 @@ class ModuleManager:
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'\n' \
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'clean:\n' \
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'\trm -f -r $(PROJECT_INCLUDE)/rtems/freebsd\n' \
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'\trm -f $(LIB) $(C_O_FILES) $(C_D_FILES)\n' \
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'\trm -f $(LIB) $(C_O_FILES) $(C_D_FILES) $(GENERATED_FILES)\n' \
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'\trm -f libbsd.html\n' \
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'\t$(MAKE) -C freebsd-userspace clean\n' \
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'\n' \
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@ -1,77 +0,0 @@
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from tahoe: in_cksum.c 1.2 86/01/05
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* from: @(#)in_cksum.c 1.3 (Berkeley) 1/19/91
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* from: Id: in_cksum.c,v 1.8 1995/12/03 18:35:19 bde Exp
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* from: src/sys/alpha/include/in_cksum.h,v 1.7 2005/03/02 21:33:20 joerg
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* $FreeBSD$
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*/
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#ifndef _MACHINE_IN_CKSUM_H_
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#define _MACHINE_IN_CKSUM_H_ 1
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#include <sys/cdefs.h>
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#define in_cksum(m, len) in_cksum_skip(m, len, 0)
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/*
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* It it useful to have an Internet checksum routine which is inlineable
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* and optimized specifically for the task of computing IP header checksums
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* in the normal case (where there are no options and the header length is
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* therefore always exactly five 32-bit words.
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*/
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#ifdef __CC_SUPPORTS___INLINE
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static __inline void
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in_cksum_update(struct ip *ip)
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{
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int __tmpsum;
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__tmpsum = (int)ntohs(ip->ip_sum) + 256;
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ip->ip_sum = htons(__tmpsum + (__tmpsum >> 16));
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}
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#else
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#define in_cksum_update(ip) \
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do { \
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int __tmpsum; \
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__tmpsum = (int)ntohs(ip->ip_sum) + 256; \
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ip->ip_sum = htons(__tmpsum + (__tmpsum >> 16)); \
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} while(0)
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#endif
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#ifdef _KERNEL
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u_int in_cksum_hdr(const struct ip *ip);
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u_short in_addword(u_short sum, u_short b);
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u_short in_pseudo(u_int sum, u_int b, u_int c);
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u_short in_cksum_skip(struct mbuf *m, int len, int skip);
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#endif
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#endif /* _MACHINE_IN_CKSUM_H_ */
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