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-rw-r--r--sysdeps/mach/mips/cacheflush.c30
-rw-r--r--sysdeps/mach/mips/machine-lock.h63
-rw-r--r--sysdeps/mach/mips/machine-sp.h34
-rw-r--r--sysdeps/mach/mips/syscall.S57
-rw-r--r--sysdeps/mach/mips/sysdep.h58
-rw-r--r--sysdeps/mach/mips/thread_state.h33
6 files changed, 162 insertions, 113 deletions
diff --git a/sysdeps/mach/mips/cacheflush.c b/sysdeps/mach/mips/cacheflush.c
index 5325e6fd1e..de2ec58bff 100644
--- a/sysdeps/mach/mips/cacheflush.c
+++ b/sysdeps/mach/mips/cacheflush.c
@@ -1,28 +1,28 @@
 /* Flush the insn cache after GCC writes a closure on the stack.  Mach/MIPS.
-Copyright (C) 1994 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
 
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #include <mach.h>
 #include <mach/vm_attributes.h>
 
 /* Stupid name, but this is what GCC generates (config/mips/mips.h).  */
 void
-cacheflush (void *addr, size_t size, int flag)
+cacheflush (void *addr, unsigned size, int flag)
 {
   vm_machine_attribute_val_t val;
 
diff --git a/sysdeps/mach/mips/machine-lock.h b/sysdeps/mach/mips/machine-lock.h
index 628aae41bb..91d39e3753 100644
--- a/sysdeps/mach/mips/machine-lock.h
+++ b/sysdeps/mach/mips/machine-lock.h
@@ -1,25 +1,28 @@
 /* Machine-specific definition for spin locks.  MIPS version.
-Copyright (C) 1994 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
 
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #ifndef _MACHINE_LOCK_H
 #define	_MACHINE_LOCK_H
 
+/* To get the TAS pseudo-instruction. */
+#include <mach/mips/mips_instruction.h>
+
 /* The type of a spin lock variable.  */
 
 typedef __volatile int __spin_lock_t;
@@ -46,19 +49,35 @@ __spin_unlock (__spin_lock_t *__lock)
 _EXTERN_INLINE int
 __spin_try_lock (register __spin_lock_t *__lock)
 {
-  register int __rtn;
+#if (__mips >= 2)
+  int __rtn;
+
   __asm__ __volatile (".set noreorder");
-#if 0
-  __asm__ __volatile ("lw %0,0(%1)": "=r" (__rtn) : "r" (__lock));
-  __asm__ __volatile ("sw %0,0(%0)": : "r" (__lock));
-  __asm__ __volatile ("xor %0,%1,%0": "=r" (__rtn) : "r" (__lock));
+#if (__mips64)
+  __asm__ __volatile ("lld %0,0(%1)" : "=r" (__rtn) : "r" (__lock));
 #else
-  /* Use the Mach microkernel's emulated TAS pseudo-instruction.  */
-  register int __rtn __asm__ ("a0");
-  __asm__ __volatile (".word 0xf ! %0 " : "=r" (__rtn) : "0" (__lock));
+  __asm__ __volatile ("ll %0,0(%1)" : "=r" (__rtn) : "r" (__lock));
+#endif
+  if (__rtn)
+    return 0;
+  __asm__ __volatile ("move %0,%1" : "=r" (__rtn) : "r" (__lock));
+#if (__mips64)
+  __asm__ __volatile ("scd %0,0(%1)" : "=r" (__rtn) : "r" (__lock));
+#else
+  __asm__ __volatile ("sc %0,0(%1)" : "=r" (__rtn) : "r" (__lock));
 #endif
   __asm__ __volatile (".set reorder");
+  return __rtn;
+#else
+  register int __rtn __asm__ ("a0");
+
+  /* Use the Mach microkernel's emulated TAS pseudo-instruction.  */
+  __asm__ __volatile (".set noreorder");
+  __asm__ __volatile (".word %1" : "=r" (__rtn) : "i" (op_tas), "0" (__lock));
+  __asm__ __volatile ("nop");
+  __asm__ __volatile (".set reorder");
   return __rtn ^ (int) __lock;
+#endif
 }
 
 /* Return nonzero if LOCK is locked.  */
diff --git a/sysdeps/mach/mips/machine-sp.h b/sysdeps/mach/mips/machine-sp.h
index 7406658f53..e1217c31f3 100644
--- a/sysdeps/mach/mips/machine-sp.h
+++ b/sysdeps/mach/mips/machine-sp.h
@@ -1,21 +1,21 @@
 /* Machine-specific function to return the stack pointer.  MIPS version.
-Copyright (C) 1994 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #ifndef _MACHINE_SP_H
 #define _MACHINE_SP_H
diff --git a/sysdeps/mach/mips/syscall.S b/sysdeps/mach/mips/syscall.S
index bf56b401dd..9936772295 100644
--- a/sysdeps/mach/mips/syscall.S
+++ b/sysdeps/mach/mips/syscall.S
@@ -1,37 +1,48 @@
-/* Copyright (C) 1994 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
 
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #include <sysdep.h>
 
+#ifdef PIC
+	.option pic2
+#endif
 ENTRY (syscall)
-	.frame	sp,0,ra
 	move	v0, a0		/* Load system call number from first arg.  */
 	move	a0, a1		/* Move the next three args up a register.  */
 	move	a1, a2
 	move	a2, a3
      	/* Load the remaining possible args (up to 11) from the stack.  */
-	lw	t0,16(sp)
-	lw	t1,20(sp)
-	lw	t2,24(sp)
-	lw	t3,28(sp)
-	lw	t4,32(sp)
-	lw	t5,36(sp)
-	lw	t6,40(sp)
+#ifdef __mips64
+	ld	t0,4*8(sp)
+	ld	t1,5*8(sp)
+	ld	t2,6*8(sp)
+	ld	t3,7*8(sp)
+	ld	t4,8*8(sp)
+	ld	t5,9*8(sp)
+	ld	t6,10*8(sp)
+#else
+	lw	t0,4*4(sp)
+	lw	t1,5*4(sp)
+	lw	t2,6*4(sp)
+	lw	t3,7*4(sp)
+	lw	t4,8*4(sp)
+	lw	t5,9*4(sp)
+	lw	t6,10*4(sp)
+#endif
 	syscall			/* Do the system call.  */
      	j ra			/* Return to caller.  */
-	.end	syscall
diff --git a/sysdeps/mach/mips/sysdep.h b/sysdeps/mach/mips/sysdep.h
index 7609be5931..a4e6dff148 100644
--- a/sysdeps/mach/mips/sysdep.h
+++ b/sysdeps/mach/mips/sysdep.h
@@ -1,35 +1,40 @@
-/* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
 
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
-#define MOVE(x,y)	move y , x
-
-#if 0
 #define LOSE asm volatile ("1: b 1b")
-#endif
 
+#define START_MACHDEP asm ("\
+	.text\n\
+	.globl _start\n\
+	.ent _start\n\
+_start:\n\
+	# Put initial SP in a0.\n\
+	move $4, $29\n\
+	# Jump to _start0; don't return.\n\
+	j _start0\n\
+	.end _start\n\
+");
+#define START_ARGS	int *entry_sp
 #define SNARF_ARGS(argc, argv, envp)					      \
   do									      \
     {									      \
-      int *entry_sp;							      \
       register char **p;						      \
 									      \
-      asm ("addu %0,$30,4" : "=r" (entry_sp));				      \
-									      \
       argc = *entry_sp;							      \
       argv = (char **) (entry_sp + 1);					      \
       p = argv;								      \
@@ -44,11 +49,20 @@ Cambridge, MA 02139, USA.  */
   ({ register int __fn = fn, __sp = (int) sp; \
      asm volatile ("move $sp,%0; j %1" : : "r" (__sp), "r" (__fn));})
 
+#define RETURN_TO(sp, pc, retval) \
+  asm volatile ("move $29, %0; move $2, %2; move $25, %1; jr $25" \
+		: : "r" (sp), "r" (pc), "r" (retval))
+
 #define STACK_GROWTH_DOWN
 
-#ifdef P40
 #include <syscall.h>
 
+#if defined (ASSEMBLER)
+
+#define ALIGN	2
+
+#define MOVE(x,y)	move y , x
+
 #define SYSCALL(name, args)	\
   .globl syscall_error;	\
   kernel_trap(name,SYS_##name,args);	\
diff --git a/sysdeps/mach/mips/thread_state.h b/sysdeps/mach/mips/thread_state.h
index f4f4b429cf..a72848dfc0 100644
--- a/sysdeps/mach/mips/thread_state.h
+++ b/sysdeps/mach/mips/thread_state.h
@@ -1,25 +1,30 @@
 /* Mach thread state definitions for machine-independent code.  MIPS version.
-Copyright (C) 1994 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
 
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #define MACHINE_THREAD_STATE_FLAVOR	MIPS_THREAD_STATE
 #define MACHINE_THREAD_STATE_COUNT	MIPS_THREAD_STATE_COUNT
 
+#ifdef PIC
+#define MACHINE_THREAD_STATE_SET_PC(ts, pc) \
+  ((ts)->PC = (ts)->r25 = (unsigned long int) (pc))
+#endif
+
 #define machine_thread_state mips_thread_state
 
 #define PC pc
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