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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
	move it here.
	* startup/bspstart.c: New file.
This commit is contained in:
Joel Sherrill
2009-11-23 20:09:58 +00:00
parent d4df43d226
commit c23e29effa
3 changed files with 55 additions and 3 deletions
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6
c/src/lib/libbsp/sparc/leon2/ChangeLog
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@@ -1,3 +1,9 @@
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.
2009-10-21 Ralf Corsépius <ralf.corsepius@rtems.org>
* make/custom/leon2.cfg: Remove RTEMS_BSP_FAMILY.

6
c/src/lib/libbsp/sparc/leon2/Makefile.am
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@@ -56,9 +56,9 @@ libbsp_a_SOURCES =
# startup
libbsp_a_SOURCES += ../../shared/bspclean.c ../../shared/bsplibc.c \
../../shared/bsppost.c ../../shared/bsppredriverhook.c \
../../sparc/shared/bspgetworkarea.c ../../sparc/shared/bspstart.c \
../../shared/bootcard.c ../../shared/sbrk.c startup/setvec.c \
startup/spurious.c startup/bspidle.c
startup/bspstart.c ../../sparc/shared/bsppretaskinghook.c \
../../sparc/shared/bspgetworkarea.c ../../shared/bootcard.c \
../../shared/sbrk.c startup/setvec.c startup/spurious.c startup/bspidle.c
# gnatsupp
libbsp_a_SOURCES += gnatsupp/gnatsupp.c ../../sparc/shared/gnatcommon.c
# console

46
c/src/lib/libbsp/sparc/leon2/startup/bspstart.c Normal file
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@@ -0,0 +1,46 @@
/*
* LEON2 Cache Snooping Support
*
*
* COPYRIGHT (c) 1989-2009.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* Ported to ERC32 implementation of the SPARC by On-Line Applications
* Research Corporation (OAR) under contract to the European Space
* Agency (ESA).
*
* ERC32 modifications of respective RTEMS file: COPYRIGHT (c) 1995.
* European Space Agency.
*
* $Id$
*/
#include <bsp.h>
#include <bsp/bootcard.h>
/*
* Tells us if data cache snooping is available
*/
int CPU_SPARC_HAS_SNOOPING;
/*
* set_snooping
*
* Read the data cache configuration register to determine if
* bus snooping is available. This is needed for some drivers so
* that they can select the most efficient copy routines.
*/
static inline int set_snooping(void)
{
unsigned int tmp = *(unsigned int *)0x80000014; /* Cache control register */
return ((tmp>>23) & 1); /* Data cache snooping enabled */
}
void bsp_start( void )
{
CPU_SPARC_HAS_SNOOPING = set_snooping();
}