* libc/machine/arm/aeabi_memclr.c: New file to support
aeabi_memclr. * libc/machine/arm/aeabi_memset.c: New file to support aeabi_memset. * libc/machine/arm/aeabi_memset-soft.S: Ditto. * libc/machine/arm/aeabi_memset-arm.S: Ditto. * libc/machine/arm/aeabi_memset-thumb.S: Ditto. * libc/machine/arm/aeabi_memset-thumb2.S: Ditto. * libc/machine/arm/Makefile.am: Add dependencies. * libc/machine/arm/Makefile.in: Regenerated.
This commit is contained in:
Corinna Vinschen
parent
554f33c48d
commit
72ba8b107a
@ -1,3 +1,16 @@
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2015-02-17 Hale Wang <hale.wang@arm.com>
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* libc/machine/arm/aeabi_memclr.c: New file to support
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aeabi_memclr.
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* libc/machine/arm/aeabi_memset.c: New file to support
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aeabi_memset.
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* libc/machine/arm/aeabi_memset-soft.S: Ditto.
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* libc/machine/arm/aeabi_memset-arm.S: Ditto.
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* libc/machine/arm/aeabi_memset-thumb.S: Ditto.
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* libc/machine/arm/aeabi_memset-thumb2.S: Ditto.
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* libc/machine/arm/Makefile.am: Add dependencies.
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* libc/machine/arm/Makefile.in: Regenerated.
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2015-02-17 Hale Wang <hale.wang@arm.com>
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2015-02-17 Hale Wang <hale.wang@arm.com>
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* libc/machine/arm/aeabi_memmove.c: New file to support
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* libc/machine/arm/aeabi_memmove.c: New file to support
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@ -50,7 +50,8 @@ endif !OPT_SIZE
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lib_a_SOURCES = setjmp.S access.c strcmp.S strcpy.c \
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lib_a_SOURCES = setjmp.S access.c strcmp.S strcpy.c \
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$(MEMCPY_SRC) $(MEMCHR_SRC) $(STRLEN_SRC) \
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$(MEMCPY_SRC) $(MEMCHR_SRC) $(STRLEN_SRC) \
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strlen-armv7.S aeabi_memcpy.c aeabi_memcpy-armv7a.S \
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strlen-armv7.S aeabi_memcpy.c aeabi_memcpy-armv7a.S \
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aeabi_memmove.c aeabi_memmove-soft.S
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aeabi_memmove.c aeabi_memmove-soft.S \
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aeabi_memset.c aeabi_memset-soft.S aeabi_memclr.c
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lib_a_CCASFLAGS=$(AM_CCASFLAGS)
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lib_a_CCASFLAGS=$(AM_CCASFLAGS)
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lib_a_CFLAGS = $(AM_CFLAGS)
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lib_a_CFLAGS = $(AM_CFLAGS)
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@ -65,6 +66,8 @@ STRCMP_DEP=strcmp-arm-tiny.S strcmp-armv4.S strcmp-armv4t.S strcmp-armv6.S \
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strcmp-armv6m.S strcmp-armv7.S strcmp-armv7m.S
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strcmp-armv6m.S strcmp-armv7.S strcmp-armv7m.S
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AEABI_MEMMOVE_DEP=aeabi_memmove-thumb.S aeabi_memmove-thumb2.S \
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AEABI_MEMMOVE_DEP=aeabi_memmove-thumb.S aeabi_memmove-thumb2.S \
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aeabi_memmove-arm.S
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aeabi_memmove-arm.S
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AEABI_MEMSET_DEP=aeabi_memset-thumb.S aeabi_memset-thumb2.S \
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aeabi_memset-arm.S
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$(lpfx)memcpy.o: $(MEMCPY_DEP)
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$(lpfx)memcpy.o: $(MEMCPY_DEP)
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@ -77,3 +80,7 @@ $(lpfx)strcmp.obj: $(STRCMP_DEP)
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$(lpfx)aeabi_memmove.o: $(AEABI_MEMMOVE_DEP)
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$(lpfx)aeabi_memmove.o: $(AEABI_MEMMOVE_DEP)
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$(lpfx)aeabi_memmove.obj: $(AEABI_MEMMOVE_DEP)
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$(lpfx)aeabi_memmove.obj: $(AEABI_MEMMOVE_DEP)
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$(lpfx)aeabi_memset.o: $(AEABI_MEMSET_DEP)
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$(lpfx)aeabi_memset.obj: $(AEABI_MEMSET_DEP)
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@ -87,7 +87,9 @@ am_lib_a_OBJECTS = lib_a-setjmp.$(OBJEXT) lib_a-access.$(OBJEXT) \
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lib_a-aeabi_memcpy.$(OBJEXT) \
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lib_a-aeabi_memcpy.$(OBJEXT) \
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lib_a-aeabi_memcpy-armv7a.$(OBJEXT) \
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lib_a-aeabi_memcpy-armv7a.$(OBJEXT) \
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lib_a-aeabi_memmove.$(OBJEXT) \
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lib_a-aeabi_memmove.$(OBJEXT) \
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lib_a-aeabi_memmove-soft.$(OBJEXT)
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lib_a-aeabi_memmove-soft.$(OBJEXT) \
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lib_a-aeabi_memset.$(OBJEXT) lib_a-aeabi_memset-soft.$(OBJEXT) \
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lib_a-aeabi_memclr.$(OBJEXT)
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lib_a_OBJECTS = $(am_lib_a_OBJECTS)
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lib_a_OBJECTS = $(am_lib_a_OBJECTS)
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DEFAULT_INCLUDES = -I.@am__isrc@
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DEFAULT_INCLUDES = -I.@am__isrc@
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depcomp =
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depcomp =
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@ -235,7 +237,8 @@ noinst_LIBRARIES = lib.a
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lib_a_SOURCES = setjmp.S access.c strcmp.S strcpy.c \
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lib_a_SOURCES = setjmp.S access.c strcmp.S strcpy.c \
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$(MEMCPY_SRC) $(MEMCHR_SRC) $(STRLEN_SRC) \
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$(MEMCPY_SRC) $(MEMCHR_SRC) $(STRLEN_SRC) \
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strlen-armv7.S aeabi_memcpy.c aeabi_memcpy-armv7a.S \
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strlen-armv7.S aeabi_memcpy.c aeabi_memcpy-armv7a.S \
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aeabi_memmove.c aeabi_memmove-soft.S
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aeabi_memmove.c aeabi_memmove-soft.S \
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aeabi_memset.c aeabi_memset-soft.S aeabi_memclr.c
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lib_a_CCASFLAGS = $(AM_CCASFLAGS)
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lib_a_CCASFLAGS = $(AM_CCASFLAGS)
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lib_a_CFLAGS = $(AM_CFLAGS)
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lib_a_CFLAGS = $(AM_CFLAGS)
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@ -250,6 +253,9 @@ STRCMP_DEP = strcmp-arm-tiny.S strcmp-armv4.S strcmp-armv4t.S strcmp-armv6.S \
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AEABI_MEMMOVE_DEP = aeabi_memmove-thumb.S aeabi_memmove-thumb2.S \
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AEABI_MEMMOVE_DEP = aeabi_memmove-thumb.S aeabi_memmove-thumb2.S \
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aeabi_memmove-arm.S
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aeabi_memmove-arm.S
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AEABI_MEMSET_DEP = aeabi_memset-thumb.S aeabi_memset-thumb2.S \
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aeabi_memset-arm.S
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all: all-am
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all: all-am
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.SUFFIXES:
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.SUFFIXES:
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@ -350,6 +356,12 @@ lib_a-aeabi_memmove-soft.o: aeabi_memmove-soft.S
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lib_a-aeabi_memmove-soft.obj: aeabi_memmove-soft.S
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lib_a-aeabi_memmove-soft.obj: aeabi_memmove-soft.S
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$(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CCASFLAGS) $(CCASFLAGS) -c -o lib_a-aeabi_memmove-soft.obj `if test -f 'aeabi_memmove-soft.S'; then $(CYGPATH_W) 'aeabi_memmove-soft.S'; else $(CYGPATH_W) '$(srcdir)/aeabi_memmove-soft.S'; fi`
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$(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CCASFLAGS) $(CCASFLAGS) -c -o lib_a-aeabi_memmove-soft.obj `if test -f 'aeabi_memmove-soft.S'; then $(CYGPATH_W) 'aeabi_memmove-soft.S'; else $(CYGPATH_W) '$(srcdir)/aeabi_memmove-soft.S'; fi`
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lib_a-aeabi_memset-soft.o: aeabi_memset-soft.S
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$(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CCASFLAGS) $(CCASFLAGS) -c -o lib_a-aeabi_memset-soft.o `test -f 'aeabi_memset-soft.S' || echo '$(srcdir)/'`aeabi_memset-soft.S
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lib_a-aeabi_memset-soft.obj: aeabi_memset-soft.S
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$(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CCASFLAGS) $(CCASFLAGS) -c -o lib_a-aeabi_memset-soft.obj `if test -f 'aeabi_memset-soft.S'; then $(CYGPATH_W) 'aeabi_memset-soft.S'; else $(CYGPATH_W) '$(srcdir)/aeabi_memset-soft.S'; fi`
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.c.o:
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.c.o:
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$(COMPILE) -c $<
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$(COMPILE) -c $<
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@ -386,6 +398,18 @@ lib_a-aeabi_memmove.o: aeabi_memmove.c
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lib_a-aeabi_memmove.obj: aeabi_memmove.c
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lib_a-aeabi_memmove.obj: aeabi_memmove.c
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-aeabi_memmove.obj `if test -f 'aeabi_memmove.c'; then $(CYGPATH_W) 'aeabi_memmove.c'; else $(CYGPATH_W) '$(srcdir)/aeabi_memmove.c'; fi`
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-aeabi_memmove.obj `if test -f 'aeabi_memmove.c'; then $(CYGPATH_W) 'aeabi_memmove.c'; else $(CYGPATH_W) '$(srcdir)/aeabi_memmove.c'; fi`
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lib_a-aeabi_memset.o: aeabi_memset.c
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-aeabi_memset.o `test -f 'aeabi_memset.c' || echo '$(srcdir)/'`aeabi_memset.c
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lib_a-aeabi_memset.obj: aeabi_memset.c
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-aeabi_memset.obj `if test -f 'aeabi_memset.c'; then $(CYGPATH_W) 'aeabi_memset.c'; else $(CYGPATH_W) '$(srcdir)/aeabi_memset.c'; fi`
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lib_a-aeabi_memclr.o: aeabi_memclr.c
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-aeabi_memclr.o `test -f 'aeabi_memclr.c' || echo '$(srcdir)/'`aeabi_memclr.c
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lib_a-aeabi_memclr.obj: aeabi_memclr.c
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-aeabi_memclr.obj `if test -f 'aeabi_memclr.c'; then $(CYGPATH_W) 'aeabi_memclr.c'; else $(CYGPATH_W) '$(srcdir)/aeabi_memclr.c'; fi`
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ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
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ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
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list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
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list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
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unique=`for i in $$list; do \
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unique=`for i in $$list; do \
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@ -569,6 +593,10 @@ $(lpfx)aeabi_memmove.o: $(AEABI_MEMMOVE_DEP)
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$(lpfx)aeabi_memmove.obj: $(AEABI_MEMMOVE_DEP)
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$(lpfx)aeabi_memmove.obj: $(AEABI_MEMMOVE_DEP)
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$(lpfx)aeabi_memset.o: $(AEABI_MEMSET_DEP)
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$(lpfx)aeabi_memset.obj: $(AEABI_MEMSET_DEP)
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
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# Otherwise a system limit (for SysV at least) may be exceeded.
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# Otherwise a system limit (for SysV at least) may be exceeded.
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.NOEXPORT:
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.NOEXPORT:
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45
newlib/libc/machine/arm/aeabi_memclr.c
Normal file
45
newlib/libc/machine/arm/aeabi_memclr.c
Normal file
@ -0,0 +1,45 @@
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/*
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* Copyright (c) 2015 ARM Ltd
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* All rights reserved.
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*
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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
|
||||||
|
* are met:
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
* 3. The name of the company may not be used to endorse or promote
|
||||||
|
* products derived from this software without specific prior written
|
||||||
|
* permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||||
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||||
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||||
|
* IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
|
||||||
|
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||||||
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
||||||
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||||
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||||
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <stddef.h>
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|
#include <_ansi.h>
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|
|
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|
/* Support the alias for the __aeabi_memclr which may
|
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|
assume memory alignment. */
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|
void __aeabi_memclr4 (void *dest, size_t n)
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|
_ATTRIBUTE ((alias ("__aeabi_memclr")));
|
||||||
|
|
||||||
|
void __aeabi_memclr8 (void *dest, size_t n)
|
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|
_ATTRIBUTE ((alias ("__aeabi_memclr")));
|
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|
|
||||||
|
/* Support the routine __aeabi_memclr. */
|
||||||
|
void __aeabi_memclr (void *dest, size_t n)
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|
{
|
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|
extern void __aeabi_memset (void *dest, size_t n, int c);
|
||||||
|
__aeabi_memset (dest, n, 0);
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|
}
|
||||||
113
newlib/libc/machine/arm/aeabi_memset-arm.S
Normal file
113
newlib/libc/machine/arm/aeabi_memset-arm.S
Normal file
@ -0,0 +1,113 @@
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|
/*
|
||||||
|
* Copyright (c) 2015 ARM Ltd
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
* 3. The name of the company may not be used to endorse or promote
|
||||||
|
* products derived from this software without specific prior written
|
||||||
|
* permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||||
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||||
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||||
|
* IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
|
||||||
|
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||||||
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
||||||
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||||
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||||
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
.arm
|
||||||
|
.syntax divided
|
||||||
|
.global __aeabi_memset
|
||||||
|
.type __aeabi_memset, %function
|
||||||
|
ASM_ALIAS __aeabi_memset4 __aeabi_memset
|
||||||
|
ASM_ALIAS __aeabi_memset8 __aeabi_memset
|
||||||
|
__aeabi_memset:
|
||||||
|
.cfi_startproc
|
||||||
|
tst r0, #3
|
||||||
|
stmfd sp!, {r4, r5, lr}
|
||||||
|
beq .L14
|
||||||
|
cmp r1, #0
|
||||||
|
sub r1, r1, #1
|
||||||
|
ldmeqfd sp!, {r4, r5, pc}
|
||||||
|
uxtb lr, r2
|
||||||
|
mov r3, r0
|
||||||
|
b .L4
|
||||||
|
.L6:
|
||||||
|
cmp r1, #0
|
||||||
|
mov r1, ip
|
||||||
|
ldmeqfd sp!, {r4, r5, pc}
|
||||||
|
.L4:
|
||||||
|
strb lr, [r3], #1
|
||||||
|
tst r3, #3
|
||||||
|
sub ip, r1, #1
|
||||||
|
bne .L6
|
||||||
|
.L2:
|
||||||
|
cmp r1, #3
|
||||||
|
bls .L11
|
||||||
|
uxtb lr, r2
|
||||||
|
cmp r1, #15
|
||||||
|
orr lr, lr, lr, asl #8
|
||||||
|
orr lr, lr, lr, asl #16
|
||||||
|
bls .L15
|
||||||
|
sub r4, r1, #16
|
||||||
|
add ip, r3, #16
|
||||||
|
mov r4, r4, lsr #4
|
||||||
|
add r5, r4, #2
|
||||||
|
add r5, r3, r5, lsl #4
|
||||||
|
.L10:
|
||||||
|
str lr, [ip, #-16]
|
||||||
|
add ip, ip, #16
|
||||||
|
str lr, [ip, #-28]
|
||||||
|
str lr, [ip, #-24]
|
||||||
|
str lr, [ip, #-20]
|
||||||
|
cmp ip, r5
|
||||||
|
bne .L10
|
||||||
|
and r1, r1, #15
|
||||||
|
add ip, r4, #1
|
||||||
|
cmp r1, #3
|
||||||
|
add ip, r3, ip, lsl #4
|
||||||
|
bls .L28
|
||||||
|
.L9:
|
||||||
|
sub r3, r1, #4
|
||||||
|
bic r3, r3, #3
|
||||||
|
add r3, r3, #4
|
||||||
|
add r3, ip, r3
|
||||||
|
.L12:
|
||||||
|
str lr, [ip], #4
|
||||||
|
cmp r3, ip
|
||||||
|
bne .L12
|
||||||
|
and r1, r1, #3
|
||||||
|
.L11:
|
||||||
|
cmp r1, #0
|
||||||
|
uxtbne r2, r2
|
||||||
|
addne r1, r3, r1
|
||||||
|
beq .L29
|
||||||
|
.L13:
|
||||||
|
strb r2, [r3], #1
|
||||||
|
cmp r3, r1
|
||||||
|
bne .L13
|
||||||
|
ldmfd sp!, {r4, r5, pc}
|
||||||
|
.L29:
|
||||||
|
ldmfd sp!, {r4, r5, pc}
|
||||||
|
.L14:
|
||||||
|
mov r3, r0
|
||||||
|
b .L2
|
||||||
|
.L15:
|
||||||
|
mov ip, r3
|
||||||
|
b .L9
|
||||||
|
.L28:
|
||||||
|
mov r3, ip
|
||||||
|
b .L11
|
||||||
|
.cfi_endproc
|
||||||
|
.size __aeabi_memset, . - __aeabi_memset
|
||||||
52
newlib/libc/machine/arm/aeabi_memset-soft.S
Normal file
52
newlib/libc/machine/arm/aeabi_memset-soft.S
Normal file
@ -0,0 +1,52 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (c) 2015 ARM Ltd
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
* 3. The name of the company may not be used to endorse or promote
|
||||||
|
* products derived from this software without specific prior written
|
||||||
|
* permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||||
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||||
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||||
|
* IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
|
||||||
|
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||||||
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
||||||
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||||
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||||
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "arm_asm.h"
|
||||||
|
|
||||||
|
.macro ASM_ALIAS new old
|
||||||
|
.global \new
|
||||||
|
.type \new, %function
|
||||||
|
#if defined (__thumb__)
|
||||||
|
.thumb_set \new, \old
|
||||||
|
#else
|
||||||
|
.set \new, \old
|
||||||
|
#endif
|
||||||
|
.endm
|
||||||
|
|
||||||
|
/* NOTE: This ifdef MUST match the one in aeabi_memset.c. */
|
||||||
|
#if !defined (__SOFTFP__)
|
||||||
|
|
||||||
|
# if defined (__thumb2__)
|
||||||
|
# include "aeabi_memset-thumb2.S"
|
||||||
|
# elif defined (__thumb__)
|
||||||
|
# include "aeabi_memset-thumb.S"
|
||||||
|
# else
|
||||||
|
# include "aeabi_memset-arm.S"
|
||||||
|
# endif
|
||||||
|
|
||||||
|
#endif
|
||||||
118
newlib/libc/machine/arm/aeabi_memset-thumb.S
Normal file
118
newlib/libc/machine/arm/aeabi_memset-thumb.S
Normal file
@ -0,0 +1,118 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (c) 2015 ARM Ltd
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
* 3. The name of the company may not be used to endorse or promote
|
||||||
|
* products derived from this software without specific prior written
|
||||||
|
* permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||||
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||||
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||||
|
* IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
|
||||||
|
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||||||
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
||||||
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||||
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||||
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
.thumb
|
||||||
|
.syntax unified
|
||||||
|
.global __aeabi_memset
|
||||||
|
.type __aeabi_memset, %function
|
||||||
|
ASM_ALIAS __aeabi_memset4 __aeabi_memset
|
||||||
|
ASM_ALIAS __aeabi_memset8 __aeabi_memset
|
||||||
|
__aeabi_memset:
|
||||||
|
.cfi_startproc
|
||||||
|
push {r4, r5, r6, lr}
|
||||||
|
lsls r3, r0, #30
|
||||||
|
beq .L14
|
||||||
|
subs r4, r1, #1
|
||||||
|
cmp r1, #0
|
||||||
|
beq .L16
|
||||||
|
uxtb r6, r2
|
||||||
|
movs r3, r0
|
||||||
|
movs r5, #3
|
||||||
|
b .L4
|
||||||
|
.L6:
|
||||||
|
subs r1, r4, #1
|
||||||
|
cmp r4, #0
|
||||||
|
beq .L16
|
||||||
|
movs r4, r1
|
||||||
|
.L4:
|
||||||
|
adds r3, r3, #1
|
||||||
|
subs r1, r3, #1
|
||||||
|
strb r6, [r1]
|
||||||
|
tst r3, r5
|
||||||
|
bne .L6
|
||||||
|
.L2:
|
||||||
|
cmp r4, #3
|
||||||
|
bls .L11
|
||||||
|
movs r5, #255
|
||||||
|
ands r5, r2
|
||||||
|
lsls r1, r5, #8
|
||||||
|
orrs r5, r1
|
||||||
|
lsls r1, r5, #16
|
||||||
|
orrs r5, r1
|
||||||
|
cmp r4, #15
|
||||||
|
bls .L9
|
||||||
|
movs r6, r4
|
||||||
|
subs r6, r6, #16
|
||||||
|
lsrs r6, r6, #4
|
||||||
|
adds r6, r6, #1
|
||||||
|
lsls r6, r6, #4
|
||||||
|
movs r1, r3
|
||||||
|
adds r3, r3, r6
|
||||||
|
.L10:
|
||||||
|
str r5, [r1]
|
||||||
|
str r5, [r1, #4]
|
||||||
|
str r5, [r1, #8]
|
||||||
|
str r5, [r1, #12]
|
||||||
|
adds r1, r1, #16
|
||||||
|
cmp r3, r1
|
||||||
|
bne .L10
|
||||||
|
movs r1, #15
|
||||||
|
ands r4, r1
|
||||||
|
cmp r4, #3
|
||||||
|
bls .L11
|
||||||
|
.L9:
|
||||||
|
subs r6, r4, #4
|
||||||
|
lsrs r6, r6, #2
|
||||||
|
adds r6, r6, #1
|
||||||
|
lsls r6, r6, #2
|
||||||
|
movs r1, r3
|
||||||
|
adds r3, r3, r6
|
||||||
|
.L12:
|
||||||
|
stmia r1!, {r5}
|
||||||
|
cmp r3, r1
|
||||||
|
bne .L12
|
||||||
|
movs r1, #3
|
||||||
|
ands r4, r1
|
||||||
|
.L11:
|
||||||
|
cmp r4, #0
|
||||||
|
beq .L16
|
||||||
|
uxtb r2, r2
|
||||||
|
adds r4, r3, r4
|
||||||
|
.L13:
|
||||||
|
strb r2, [r3]
|
||||||
|
adds r3, r3, #1
|
||||||
|
cmp r4, r3
|
||||||
|
bne .L13
|
||||||
|
.L16:
|
||||||
|
pop {r4, r5, r6, pc}
|
||||||
|
.L14:
|
||||||
|
movs r4, r1
|
||||||
|
movs r3, r0
|
||||||
|
b .L2
|
||||||
|
.cfi_endproc
|
||||||
|
.size __aeabi_memset, . - __aeabi_memset
|
||||||
109
newlib/libc/machine/arm/aeabi_memset-thumb2.S
Normal file
109
newlib/libc/machine/arm/aeabi_memset-thumb2.S
Normal file
@ -0,0 +1,109 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (c) 2015 ARM Ltd
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
* 3. The name of the company may not be used to endorse or promote
|
||||||
|
* products derived from this software without specific prior written
|
||||||
|
* permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||||
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||||
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||||
|
* IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
|
||||||
|
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||||||
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
||||||
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||||
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||||
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
.thumb
|
||||||
|
.syntax unified
|
||||||
|
.global __aeabi_memset
|
||||||
|
.type __aeabi_memset, %function
|
||||||
|
ASM_ALIAS __aeabi_memset4 __aeabi_memset
|
||||||
|
ASM_ALIAS __aeabi_memset8 __aeabi_memset
|
||||||
|
__aeabi_memset:
|
||||||
|
.cfi_startproc
|
||||||
|
push {r4, r5, r6}
|
||||||
|
lsls r4, r0, #30
|
||||||
|
beq .L14
|
||||||
|
subs r4, r1, #1
|
||||||
|
cmp r1, #0
|
||||||
|
beq .L16
|
||||||
|
uxtb r5, r2
|
||||||
|
mov r3, r0
|
||||||
|
b .L4
|
||||||
|
.L6:
|
||||||
|
subs r1, r4, #1
|
||||||
|
cbz r4, .L16
|
||||||
|
mov r4, r1
|
||||||
|
.L4:
|
||||||
|
strb r5, [r3], #1
|
||||||
|
lsls r1, r3, #30
|
||||||
|
bne .L6
|
||||||
|
.L2:
|
||||||
|
cmp r4, #3
|
||||||
|
bls .L11
|
||||||
|
uxtb r5, r2
|
||||||
|
orr r5, r5, r5, lsl #8
|
||||||
|
cmp r4, #15
|
||||||
|
orr r5, r5, r5, lsl #16
|
||||||
|
bls .L9
|
||||||
|
add r1, r3, #16
|
||||||
|
mov r6, r4
|
||||||
|
.L10:
|
||||||
|
subs r6, r6, #16
|
||||||
|
cmp r6, #15
|
||||||
|
str r5, [r1, #-16]
|
||||||
|
str r5, [r1, #-12]
|
||||||
|
str r5, [r1, #-8]
|
||||||
|
str r5, [r1, #-4]
|
||||||
|
add r1, r1, #16
|
||||||
|
bhi .L10
|
||||||
|
sub r1, r4, #16
|
||||||
|
bic r1, r1, #15
|
||||||
|
and r4, r4, #15
|
||||||
|
adds r1, r1, #16
|
||||||
|
cmp r4, #3
|
||||||
|
add r3, r3, r1
|
||||||
|
bls .L11
|
||||||
|
.L9:
|
||||||
|
mov r6, r3
|
||||||
|
mov r1, r4
|
||||||
|
.L12:
|
||||||
|
subs r1, r1, #4
|
||||||
|
cmp r1, #3
|
||||||
|
str r5, [r6], #4
|
||||||
|
bhi .L12
|
||||||
|
subs r1, r4, #4
|
||||||
|
bic r1, r1, #3
|
||||||
|
adds r1, r1, #4
|
||||||
|
add r3, r3, r1
|
||||||
|
and r4, r4, #3
|
||||||
|
.L11:
|
||||||
|
cbz r4, .L16
|
||||||
|
uxtb r2, r2
|
||||||
|
add r4, r4, r3
|
||||||
|
.L13:
|
||||||
|
strb r2, [r3], #1
|
||||||
|
cmp r3, r4
|
||||||
|
bne .L13
|
||||||
|
.L16:
|
||||||
|
pop {r4, r5, r6}
|
||||||
|
bx lr
|
||||||
|
.L14:
|
||||||
|
mov r4, r1
|
||||||
|
mov r3, r0
|
||||||
|
b .L2
|
||||||
|
.cfi_endproc
|
||||||
|
.size __aeabi_memset, . - __aeabi_memset
|
||||||
65
newlib/libc/machine/arm/aeabi_memset.c
Normal file
65
newlib/libc/machine/arm/aeabi_memset.c
Normal file
@ -0,0 +1,65 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (c) 2015 ARM Ltd
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
* 3. The name of the company may not be used to endorse or promote
|
||||||
|
* products derived from this software without specific prior written
|
||||||
|
* permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||||
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||||
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||||
|
* IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
|
||||||
|
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||||||
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
||||||
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||||
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||||
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <stddef.h>
|
||||||
|
#include <_ansi.h>
|
||||||
|
|
||||||
|
/* According to the run-time ABI for the ARM Architecture, this
|
||||||
|
function is allowed to corrupt only the integer core register
|
||||||
|
permitted to be corrupted by the [AAPCS] (r0-r3, ip, lr, and
|
||||||
|
CPSR).
|
||||||
|
|
||||||
|
Therefore, we can't just simply use alias to support the function
|
||||||
|
aeabi_memset for the targets with FP register. Instead, versions
|
||||||
|
for these specific targets are written in assembler (in
|
||||||
|
aeabi_memset-soft.S). */
|
||||||
|
|
||||||
|
/* NOTE: This ifdef MUST match the one in aeabi_memset-soft.S. */
|
||||||
|
#if !defined (__SOFTFP__)
|
||||||
|
|
||||||
|
/* Defined in aeabi_memset-soft.S. */
|
||||||
|
|
||||||
|
#else
|
||||||
|
/* Support the alias for the __aeabi_memset which may
|
||||||
|
assume memory alignment. */
|
||||||
|
void __aeabi_memset4 (void *dest, size_t n, int c)
|
||||||
|
_ATTRIBUTE ((alias ("__aeabi_memset")));
|
||||||
|
|
||||||
|
void __aeabi_memset8 (void *dest, size_t n, int c)
|
||||||
|
_ATTRIBUTE ((alias ("__aeabi_memset")));
|
||||||
|
|
||||||
|
/* Support the routine __aeabi_memset. Can't alias to memset
|
||||||
|
because it's not defined in the same translation unit. */
|
||||||
|
void __aeabi_memset (void *dest, size_t n, int c)
|
||||||
|
{
|
||||||
|
/*Note that relative to ANSI memset, __aeabi_memset hase the order
|
||||||
|
of its second and third arguments reversed. */
|
||||||
|
extern void memset (void *dest, int c, size_t n);
|
||||||
|
memset (dest, c, n);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
Loading…
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Reference in New Issue
Block a user