2001-01-08 Joel Sherrill <joel@OARcorp.com>

* Added r46xx directory.
	* Makefile.am, configure.in: Modified to reflect addition of r46xx.
	* shared/interrupts/installisrentries.c: Fixed typo.
	* r46xx/.cvsignore, r46xx/Makefile.am,
	r46xx/vectorisrs/.cvsignore, r46xx/vectorisrs/Makefile.am,
	r46xx/vectorisrs/vectorisrs.c: New files.

c/src/lib/libcpu/mips/ChangeLog

@@ -1,3 +1,12 @@
+2001-01-08	Joel Sherrill <joel@OARcorp.com>
+
+	* Added r46xx directory.
+	* Makefile.am, configure.in: Modified to reflect addition of r46xx.
+	* shared/interrupts/installisrentries.c: Fixed typo.
+	* r46xx/.cvsignore, r46xx/Makefile.am,
+	r46xx/vectorisrs/.cvsignore, r46xx/vectorisrs/Makefile.am,
+	r46xx/vectorisrs/vectorisrs.c: New files.
+
 2000-12-19	Joel Sherrill <joel@OARcorp.com>
 
 	* tx39/vectorisrs/vectorisrs.c: Modified to have default exception

c/src/lib/libcpu/mips/Makefile.am

@@ -12,7 +12,7 @@ CPU_SUBDIR = tx39
 endif
 
 if r46xx
-CPU_SUBDIR = clock timer
+CPU_SUBDIR = clock timer r46xx
 endif
 
 SUBDIRS = $(SHARED_LIB) $(CPU_SUBDIR)

c/src/lib/libcpu/mips/configure.in

@@ -38,6 +38,9 @@ clock/Makefile
 shared/Makefile
 shared/cache/Makefile
 shared/interrupts/Makefile
+r46xx/Makefile
+r46xx/vectorisrs/Makefile
+timer/Makefile
 tx39/Makefile
 tx39/include/Makefile
 tx39/vectorisrs/Makefile

c/src/lib/libcpu/mips/r46xx/.cvsignore

@@ -0,0 +1,13 @@
+Makefile
+Makefile.in
+aclocal.m4
+config.cache
+config.guess
+config.log
+config.status
+config.sub
+configure
+depcomp
+install-sh
+missing
+mkinstalldirs

c/src/lib/libcpu/mips/r46xx/Makefile.am

@@ -0,0 +1,11 @@
+##
+## $Id$
+##
+
+AUTOMAKE_OPTIONS = foreign 1.4
+ACLOCAL_AMFLAGS = -I ../../../../../../aclocal
+
+SUBDIRS = vectorisrs
+
+include $(top_srcdir)/../../../../../automake/subdirs.am
+include $(top_srcdir)/../../../../../automake/local.am

c/src/lib/libcpu/mips/r46xx/vectorisrs/.cvsignore

@@ -0,0 +1,13 @@
+Makefile
+Makefile.in
+aclocal.m4
+config.cache
+config.guess
+config.log
+config.status
+config.sub
+configure
+depcomp
+install-sh
+missing
+mkinstalldirs

c/src/lib/libcpu/mips/r46xx/vectorisrs/Makefile.am

@@ -0,0 +1,30 @@
+##
+## $Id$
+##
+
+AUTOMAKE_OPTIONS = foreign 1.4
+
+PGM = $(ARCH)/vectorisrs.rel
+
+C_FILES = vectorisrs.c
+
+vectorisrs_rel_OBJECTS = $(C_FILES:%.c=$(ARCH)/%.o) $(S_FILES:%.S=$(ARCH)/%.o)
+
+include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
+include $(top_srcdir)/../../../../../automake/compile.am
+include $(top_srcdir)/../../../../../automake/lib.am
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+$(PGM): $(vectorisrs_rel_OBJECTS)
+	$(make-rel)
+
+all-local: $(ARCH) $(vectorisrs_rel_OBJECTS) $(PGM)
+
+.PRECIOUS: $(PGM)
+
+EXTRA_DIST = vectorisrs.c
+
+include $(top_srcdir)/../../../../../automake/local.am

c/src/lib/libcpu/mips/r46xx/vectorisrs/vectorisrs.c

@@ -0,0 +1,46 @@
+/*
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <stdlib.h>
+
+#define mips_get_cause( _cause ) \
+  do { \
+    asm volatile( "mfc0 %0, $13; nop" : "=g" (_cause) :  ); \
+  } while (0)
+
+#define CALL_ISR(_vector) \
+  do { \
+    if ( _ISR_Vector_table[_vector] ) \
+      (_ISR_Vector_table[_vector])(_vector); \
+    else \
+      mips_default_exception(_vector); \
+  } while (0)
+
+void mips_default_exception( int vector )
+{
+  printk( "Unhandled exception %d\n", vector );
+  rtems_fatal_error_occurred(1);
+}
+
+void mips_vector_isr_handlers( void )
+{
+  unsigned int sr;
+  unsigned int cause;
+  unsigned int i;
+  unsigned int mask;
+
+  mips_get_sr( sr );
+  mips_get_cause( cause );
+
+  cause &= (sr & SR_IMASK);
+  cause >>= CAUSE_IPSHIFT;
+
+  /* XXX check this and think about it. */
+
+  for ( i=1, mask=0x80 ; i<=8 ; i++, mask >>= 1 ) {
+    if ( cause & mask )
+      CALL_ISR( 8 - i );
+  }
+}

c/src/lib/libcpu/mips/shared/interrupts/installisrentries.c

@@ -16,7 +16,7 @@ void mips_install_isr_entries( void )
   memcpy( (void *)E_VEC, exc_norm_code, 40 );   /* exception vevtor */
 #elif __mips == 3
   void exc_tlb_code(void);
-  void exc_utlb_code(void);
+  void exc_xtlb_code(void);
   void exc_cache_code(void);
   void exc_norm_code(void);