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MIPS Newlib 2.0.0 patches. Add the STX39 simulator.

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There are a couple of newlib patches to fix memcpy.

Add the mipstx39 simulator as a separate target.
This commit is contained in:
Chris Johns 2013-03-08 19:10:33 +11:00
parent 48bfd7b53e
commit 876f07d293
5 changed files with 61 additions and 3 deletions
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2
rtems/config/4.11/rtems-mips.bset
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@ -16,6 +16,6 @@
#
expat-2.1.0-1
tools/rtems-binutils-2.22-1
tools/rtems-gcc-4.7.2-newlib-2.0.0-1
tools/rtems-mips-gcc-4.7.2-newlib-2.0.0-1
tools/rtems-gdb-7.5.1-1
tools/rtems-mipstx39-gdb-7.5.1-1

14
rtems/config/tools/rtems-mips-gcc-4.7.2-newlib-2.0.0-1.cfg Normal file
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@ -0,0 +1,14 @@
#
# GCC 4.7.2, Newlib 2.0.0.
#
#
# Newlib 2.0.0 Patches
#
Patch12: newlib-2.0.0-mips-memcpy-20130107.diff
Patch13: newlib-2.0.0-mips-memcpy-20130219.diff
#
# The gdb build instructions for RTEMS 7.5.1.
#
%include tools/rtems-gcc-4.7.2-newlib-2.0.0-1.cfg

2
rtems/config/tools/rtems-mipstx39-gdb-7.5.1-1.cfg
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@ -2,8 +2,6 @@
# MIPS STX39 GDB 7.5.1.
#
%{echo %{_target}}
%undefine _target
%define _target mipstx39-rtems%{rtems_version}

25
rtems/patches/newlib-2.0.0-mips-memcpy-20130107.diff Normal file
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@ -0,0 +1,25 @@
===================================================================
RCS file: /cvs/src/src/newlib/libc/machine/mips/memcpy.S,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- src/newlib/libc/machine/mips/memcpy.S 2012/12/11 21:37:59 1.1
+++ src/newlib/libc/machine/mips/memcpy.S 2013/01/07 21:29:39 1.2
@@ -56,7 +56,7 @@
#endif
#endif
-#if (_MIPS_SIM == _ABI64) || (_MIPS_SIM == _ABIN32)
+#if defined(_MIPS_SIM) && ((_MIPS_SIM == _ABI64) || (_MIPS_SIM == _ABIN32))
#ifndef DISABLE_DOUBLE
#define USE_DOUBLE
#endif
@@ -203,6 +203,6 @@
#define REG1 t1
#define REG2 t2
#define REG3 t3
-#if _MIPS_SIM == _ABIO32
+#if defined(_MIPS_SIM) && (_MIPS_SIM == _ABIO32 || _MIPS_SIM == _ABIO64)
# define REG4 t4
# define REG5 t5
# define REG6 t6

21
rtems/patches/newlib-2.0.0-mips-memcpy-20130219.diff Normal file
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@ -0,0 +1,21 @@
===================================================================
RCS file: /cvs/src/src/newlib/libc/machine/mips/memcpy.S,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- src/newlib/libc/machine/mips/memcpy.S 2013/01/07 21:29:39 1.2
+++ src/newlib/libc/machine/mips/memcpy.S 2013/02/19 07:31:04 1.3
@@ -49,7 +49,10 @@
#include <sys/asm.h>
#endif
-#if (_MIPS_ISA == _MIPS_ISA_MIPS4) || (_MIPS_ISA == _MIPS_ISA_MIPS5) || \
- (_MIPS_ISA == _MIPS_ISA_MIPS32) || (_MIPS_ISA == _MIPS_ISA_MIPS64)
+/* Check to see if the MIPS architecture we are compiling for supports
+ * prefetching.
+ */
+
+#if (__mips == 4) || (__mips == 5) || (__mips == 32) || (__mips == 64)
#ifndef DISABLE_PREFETCH
#define USE_PREFETCH
#endif