forked from Imagelibrary/rtems
2009-11-23 Joel Sherrill <joel.sherrill@OARcorp.com>
* Makefile.am: sparc/shared/bspstart.c was really leon2 specific. So move it here. * startup/bspstart.c: New file.
This commit is contained in:
@@ -1,3 +1,9 @@
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2009-11-23 Joel Sherrill <joel.sherrill@OARcorp.com>
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* Makefile.am: sparc/shared/bspstart.c was really leon2 specific. So
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move it here.
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* startup/bspstart.c: New file.
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2009-10-21 Ralf Corsépius <ralf.corsepius@rtems.org>
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2009-10-21 Ralf Corsépius <ralf.corsepius@rtems.org>
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* make/custom/leon2.cfg: Remove RTEMS_BSP_FAMILY.
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* make/custom/leon2.cfg: Remove RTEMS_BSP_FAMILY.
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@@ -56,9 +56,9 @@ libbsp_a_SOURCES =
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# startup
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# startup
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libbsp_a_SOURCES += ../../shared/bspclean.c ../../shared/bsplibc.c \
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libbsp_a_SOURCES += ../../shared/bspclean.c ../../shared/bsplibc.c \
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../../shared/bsppost.c ../../shared/bsppredriverhook.c \
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../../shared/bsppost.c ../../shared/bsppredriverhook.c \
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../../sparc/shared/bspgetworkarea.c ../../sparc/shared/bspstart.c \
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startup/bspstart.c ../../sparc/shared/bsppretaskinghook.c \
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../../shared/bootcard.c ../../shared/sbrk.c startup/setvec.c \
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../../sparc/shared/bspgetworkarea.c ../../shared/bootcard.c \
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startup/spurious.c startup/bspidle.c
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../../shared/sbrk.c startup/setvec.c startup/spurious.c startup/bspidle.c
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# gnatsupp
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# gnatsupp
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libbsp_a_SOURCES += gnatsupp/gnatsupp.c ../../sparc/shared/gnatcommon.c
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libbsp_a_SOURCES += gnatsupp/gnatsupp.c ../../sparc/shared/gnatcommon.c
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# console
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# console
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46
c/src/lib/libbsp/sparc/leon2/startup/bspstart.c
Normal file
46
c/src/lib/libbsp/sparc/leon2/startup/bspstart.c
Normal file
@@ -0,0 +1,46 @@
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/*
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* LEON2 Cache Snooping Support
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*
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*
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* COPYRIGHT (c) 1989-2009.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* Ported to ERC32 implementation of the SPARC by On-Line Applications
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* Research Corporation (OAR) under contract to the European Space
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* Agency (ESA).
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*
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* ERC32 modifications of respective RTEMS file: COPYRIGHT (c) 1995.
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* European Space Agency.
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*
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* $Id$
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*/
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#include <bsp.h>
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#include <bsp/bootcard.h>
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/*
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* Tells us if data cache snooping is available
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*/
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int CPU_SPARC_HAS_SNOOPING;
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/*
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* set_snooping
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*
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* Read the data cache configuration register to determine if
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* bus snooping is available. This is needed for some drivers so
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* that they can select the most efficient copy routines.
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*/
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static inline int set_snooping(void)
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{
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unsigned int tmp = *(unsigned int *)0x80000014; /* Cache control register */
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return ((tmp>>23) & 1); /* Data cache snooping enabled */
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}
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void bsp_start( void )
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{
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CPU_SPARC_HAS_SNOOPING = set_snooping();
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}
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