mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-23 16:50:47 +00:00
and moved all the architecture- specific code out of the many header files and put them all in gstarch.h.
Original commit message from CVS: Added MIPS support to cothreads (untested), and moved all the architecture- specific code out of the many header files and put them all in gstarch.h.
This commit is contained in:
Erik Walthinsen
parent
a6e046ee3f
commit
1aff968e49
8 changed files with 116 additions and 221 deletions
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@ -139,6 +139,8 @@ case "x${target_cpu}" in
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AC_DEFINE(HAVE_CPU_ARM, 1, [Define if the target CPU is an ARM]) ;;
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xsparc*) HAVE_CPU_SPARC=yes
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AC_DEFINE(HAVE_CPU_SPARC, 1, [Define if the target CPU is a PPC]) ;;
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xmips*) HAVE_CPU_MIPS=yes
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AC_DEFINE(HAVE_CPU_MIPS, 1, [Define if the target CPU is a MIPS]) ;;
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esac
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dnl Determine endianness
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@ -97,10 +97,10 @@ libgst_la_SOURCES = \
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# FIXME this only lists the x86 arch file, we really should merge them all
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cothreads.lo: $(srcdir)/cothreads.c $(srcdir)/cothreads.h $(srcdir)/gst_private.h \
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$(top_builddir)/config.h $(srcdir)/gstinfo.c $(srcdir)/gstarch.h $(srcdir)/gsti386.h
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$(top_builddir)/config.h $(srcdir)/gstinfo.c $(srcdir)/gstarch.h
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$(LIBTOOL) --mode=compile $(COMPILE) -O2 -c $<
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cothreads.o: $(srcdir)/cothreads.c $(srcdir)/cothreads.h $(srcdir)/gst_private.h \
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$(top_builddir)/config.h $(srcdir)/gstinfo.c $(srcdir)/gstarch.h $(srcdir)/gsti386.h
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$(top_builddir)/config.h $(srcdir)/gstinfo.c $(srcdir)/gstarch.h
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$(COMPILE) -O2 -c $<
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# NOTDEPEND.cothreads.lo: cothreads.c
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@ -190,11 +190,6 @@ libgstinclude_HEADERS = \
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noinst_HEADERS = \
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gst_private.h \
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gstarch.h \
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gsti386.h \
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gstppc.h \
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gstalpha.h \
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gstarm.h \
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gstsparc.h \
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gstpropsprivate.h
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CFLAGS = $(LIBGST_CFLAGS) -D_GNU_SOURCE -DGST_CONFIG_DIR=\""$(GST_CONFIG_DIR)"\"
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@ -1,46 +0,0 @@
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/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gstppc.h: Header for PPC-specific architecture issues
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_GSTALPHA_H__
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#define __GST_GSTALPHA_H__
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#define GST_ARCH_SET_SP(stackpointer) \
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__asm__("bis $31,%0,$30" : : "r"(stackpointer));
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#define GST_ARCH_CALL(target) \
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__asm__( "bis $31,%0,$27\n\t" \
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"jsr $26,($27),0" : : "r"(target) );
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// Need to get more information about the stackframe format
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// and get the fields more correct. Check GDB sources maybe?
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struct minimal_stackframe {
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unsigned long back_chain;
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unsigned long LR_save;
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unsigned long unused1;
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unsigned long unused2;
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};
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#define GST_ARCH_SETUP_STACK(sp) \
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sp = ((unsigned long *)(sp)) - 4; \
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((struct minimal_stackframe *)sp)->back_chain = 0;
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#endif /* __GST_GSTALPHA_H__ */
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117
gst/gstarch.h
117
gst/gstarch.h
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@ -27,16 +27,123 @@
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#include "config.h"
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#endif
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/***** Intel x86 *****/
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#if defined(HAVE_CPU_I386)
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#include "gsti386.h"
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#define GST_ARCH_SET_SP(stackpointer) \
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__asm__( "movl %0, %%esp\n" : : "r"(stackpointer) );
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#define GST_ARCH_CALL(target) \
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__asm__("call *%0" : : "r"(target) );
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// assuming the stackframe is 16 bytes
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#define GST_ARCH_SETUP_STACK(sp) sp -= 4
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/***** PowerPC *****/
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#elif defined (HAVE_CPU_PPC)
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#include "gstppc.h"
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// should bring this in line with others and use an "r"
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#define GST_ARCH_SET_SP(stackpointer) \
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__asm__("lwz 1,%0" : : "m"(stackpointer))
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#define GST_ARCH_CALL(target) \
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__asm__( "mr 0,%0\n\t" \
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"mtlr 0\n\t" \
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"blrl" : : "r"(target) );
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struct minimal_ppc_stackframe {
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unsigned long back_chain;
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unsigned long LR_save;
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unsigned long unused1;
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unsigned long unused2;
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};
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#define GST_ARCH_SETUP_STACK(sp) \
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sp = ((unsigned long *)(sp)) - 4; \
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((struct minimal_ppc_stackframe *)sp)->back_chain = 0;
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/***** DEC[/Compaq/HP?/Intel?] Alpha *****/
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#elif defined(HAVE_CPU_ALPHA)
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#include "gstalpha.h"
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#define GST_ARCH_SET_SP(stackpointer) \
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__asm__("bis $31,%0,$30" : : "r"(stackpointer));
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#define GST_ARCH_CALL(target) \
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__asm__( "bis $31,%0,$27\n\t" \
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"jsr $26,($27),0" : : "r"(target) );
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// Need to get more information about the stackframe format
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// and get the fields more correct. Check GDB sources maybe?
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struct minimal_stackframe {
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unsigned long back_chain;
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unsigned long LR_save;
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unsigned long unused1;
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unsigned long unused2;
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};
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#define GST_ARCH_SETUP_STACK(sp) \
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sp = ((unsigned long *)(sp)) - 4; \
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((struct minimal_stackframe *)sp)->back_chain = 0;
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/***** ARM *****/
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#elif defined(HAVE_CPU_ARM)
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#include "gstarm.h"
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#define GST_ARCH_SET_SP(stackpointer) \
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__asm__( "mov sp, %0" : : "r"(stackpointer));
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#define GST_ARCH_CALL(target) \
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__asm__( "mov pc, %0" : : "r"(target) );
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// Need to get more information about the stackframe format
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// and get the fields more correct. Check GDB sources maybe?
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#define GST_ARCH_SETUP_STACK(sp) sp -= 4
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/***** Sun SPARC *****/
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#elif defined(HAVE_CPU_SPARC)
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#include "gstsparc.h"
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#define GST_ARCH_SET_SP(stackpointer) \
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__asm__( "ta 3\n\t" \
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"mov %0, %%sp" : : "r"(stackpointer));
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#define GST_ARCH_CALL(target) \
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__asm__( "call %0,0\n\t" \
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"nop" : : "r"(target) );
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#define GST_ARCH_PRESETJMP() \
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__asm__( "ta 3" );
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// Need to get more information about the stackframe format
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// and get the fields more correct. Check GDB sources maybe?
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#define GST_ARCH_SETUP_STACK(sp) sp -= 4
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/***** MIPS *****/
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#elif defined(HAVE_CPU_MIPS)
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#define GST_ARCH_SET_SP(stackpointer) \
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__asm__("move $sp,%0\n\t" : : "r"(stackpointer));
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#define GST_ARCH_CALL(target) \
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__asm__("move $25,%1\n\t" // call via $25 \
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"jal $25\n\t" : : "r"(target));
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// assuming the stackframe is 16 bytes
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#define GST_ARCH_SETUP_STACK(sp) sp -= 4
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#else
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#error Need to know about this architecture, or have a generic implementation
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#endif
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37
gst/gstarm.h
37
gst/gstarm.h
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@ -1,37 +0,0 @@
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/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gstarm.h: Header for ARM-specific architecture issues
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_GSTARM_H__
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#define __GST_GSTARM_H__
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#define GST_ARCH_SET_SP(stackpointer) \
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__asm__( "mov sp, %0" : : "r"(stackpointer));
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#define GST_ARCH_CALL(target) \
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__asm__( "mov pc, %0" : : "r"(target) );
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// Need to get more information about the stackframe format
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// and get the fields more correct. Check GDB sources maybe?
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#define GST_ARCH_SETUP_STACK(sp) sp -= 4
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#endif /* __GST_GSTARM_H__ */
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@ -1,35 +0,0 @@
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/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gsti386.h: Header for x86-specific architecture issues
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_GSTI386_H__
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#define __GST_GSTI386_H__
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#define GST_ARCH_SET_SP(stackpointer) \
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__asm__( "movl %0, %%esp\n" : : "r"(stackpointer) );
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#define GST_ARCH_CALL(target) \
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__asm__("call *%0" : : "r"(target) );
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// assuming the stackframe is 16 bytes
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#define GST_ARCH_SETUP_STACK(sp) sp -= 4
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#endif /* __GST_GSTI386_H__ */
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49
gst/gstppc.h
49
gst/gstppc.h
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@ -1,49 +0,0 @@
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/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gstppc.h: Header for PPC-specific architecture issues
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_GSTPPC_H__
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#define __GST_GSTPPC_H__
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/* FIXME: Hmm - does this work?
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*/
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// should bring this in line with others and use an "r"
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#define GST_ARCH_SET_SP(stackpointer) \
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__asm__("lwz 1,%0" : : "m"(stackpointer))
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#define GST_ARCH_CALL(target) \
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__asm__( "mr 0,%0\n\t" \
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"mtlr 0\n\t" \
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"blrl" : : "r"(target) );
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struct minimal_ppc_stackframe {
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unsigned long back_chain;
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unsigned long LR_save;
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unsigned long unused1;
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unsigned long unused2;
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};
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#define GST_ARCH_SETUP_STACK(sp) \
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sp = ((unsigned long *)(sp)) - 4; \
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((struct minimal_ppc_stackframe *)sp)->back_chain = 0;
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#endif /* __GST_GSTPPC_H__ */
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@ -1,42 +0,0 @@
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/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gstsparc.h: Header for Sparc-specific architecture issues
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_GSTSPARC_H__
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#define __GST_GSTSPARC_H__
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#define GST_ARCH_SET_SP(stackpointer) \
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__asm__( "ta 3\n\t" \
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"mov %0, %%sp" : : "r"(stackpointer));
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#define GST_ARCH_CALL(target) \
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__asm__( "call %0,0\n\t" \
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"nop" : : "r"(target) );
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#define GST_ARCH_PRESETJMP() \
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__asm__( "ta 3" );
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// Need to get more information about the stackframe format
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// and get the fields more correct. Check GDB sources maybe?
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#define GST_ARCH_SETUP_STACK(sp) sp -= 4
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#endif /* __GST_GSTSPARC_H__ */
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