This is the mail archive of the newlib@sourceware.org mailing list for the newlib project.
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |
Other format: | [Raw text] |
i've committed this patch to libgloss. 2011-12-18 Mike Frysinger <vapier@gentoo.org> * bfin/clear_cache_range.c: New file. * bfin/Makefile.in (SIM_OBJS): Add clear_cache_range.o. (BOARD_OBJS): Likewise. (BOARD_BSP): Set to libbfinbsp.a. (${BOARD_BSP}): New rule. --- bfin/Makefile.in +++ bfin/Makefile.in @@ -55,7 +55,7 @@ SIM_LDFLAGS = SIM_BSP = libsim.a SIM_CRT0 = crt0.o -SIM_OBJS = syscalls.o +SIM_OBJS = syscalls.o clear_cache_range.o SIM_TEST = sim-test SIM_INSTALL = install-sim @@ -71,10 +71,10 @@ bf561.ld bf561a.ld bf561b.ld bf561m.ld \ bf592.ld BOARD_LDFLAGS = -BOARD_BSP = # We actually use libnosys.a +BOARD_BSP = libbfinbsp.a BOARD_CRT0S = basiccrt.o basiccrts.o BOARD_CRT0S += basiccrt561.o basiccrt561s.o basiccrt561b.o -BOARD_OBJS = +BOARD_OBJS = clear_cache_range.o BOARD_TEST = BOARD_INSTALL = install-board @@ -91,6 +91,10 @@ # # here's where we build the board support packages for each target # +${BOARD_BSP}: ${OBJS} ${BOARD_OBJS} + ${AR} ${ARFLAGS} $@ $^ + ${RANLIB} $@ + ${SIM_BSP}: ${OBJS} ${SIM_OBJS} ${AR} ${ARFLAGS} ${SIM_BSP} ${SIM_OBJS} ${OBJS} ${RANLIB} ${SIM_BSP} --- /dev/null +++ bfin/clear_cache_range.c @@ -0,0 +1,33 @@ +/* + * C library support files for the Blackfin processor + * + * Copyright (C) 2010 Analog Devices, Inc. + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +/* This is a callback which gcc itself wants to flush jump tables. + + Map it into L1 Text because of anomalies 05-00-0312 and 05-00-0419. */ + +__attribute__ ((l1_text)) +void __clear_cache_range (char *beg, char *end) +{ + char *ptr = beg; + do { + __asm__ __volatile__ ("FLUSH [%0++];" : "+a" (ptr) : : "memory"); + } while (ptr <= end); + ptr = beg; + __asm__ __volatile__ ("SSYNC;"); + do { + __asm__ __volatile__ ("IFLUSH [%0++];" : "+a" (ptr) : : "memory"); + } while (ptr <= end); +}
Attachment:
signature.asc
Description: This is a digitally signed message part.
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |