diff options
Diffstat (limited to 'sysdeps/mach/alpha')
| -rw-r--r-- | sysdeps/mach/alpha/machine-lock.h | 80 | ||||
| -rw-r--r-- | sysdeps/mach/alpha/machine-sp.h | 36 | ||||
| -rw-r--r-- | sysdeps/mach/alpha/setfpucw.c | 69 | ||||
| -rw-r--r-- | sysdeps/mach/alpha/syscall.S | 37 | ||||
| -rw-r--r-- | sysdeps/mach/alpha/sysdep.h | 59 | ||||
| -rw-r--r-- | sysdeps/mach/alpha/thread_state.h | 39 |
6 files changed, 0 insertions, 320 deletions
diff --git a/sysdeps/mach/alpha/machine-lock.h b/sysdeps/mach/alpha/machine-lock.h deleted file mode 100644 index bd27d2a51f..0000000000 --- a/sysdeps/mach/alpha/machine-lock.h +++ /dev/null @@ -1,80 +0,0 @@ -/* Machine-specific definition for spin locks. Alpha version. - Copyright (C) 1994, 1997, 2007 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; 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 - -/* The type of a spin lock variable. */ - -typedef __volatile long int __spin_lock_t; - -/* Value to initialize `__spin_lock_t' variables to. */ - -#define __SPIN_LOCK_INITIALIZER 0L - - -#ifndef _EXTERN_INLINE -#define _EXTERN_INLINE __extern_inline -#endif - -/* Unlock LOCK. */ - -_EXTERN_INLINE void -__spin_unlock (__spin_lock_t *__lock) -{ - __asm__ __volatile__ ("mb; stq $31, %0; mb" - : "=m" (__lock)); -} - -/* Try to lock LOCK; return nonzero if we locked it, zero if another has. */ - -_EXTERN_INLINE int -__spin_try_lock (register __spin_lock_t *__lock) -{ - register long int __rtn, __tmp; - - do - { - __asm__ __volatile__ ("mb; ldq_l %0,%1" /* Load lock value into TMP. */ - : "=r" (__tmp) : "m" (*__lock)); - __rtn = 2; /* Load locked value into RTN. */ - if (__tmp) - /* The lock is already taken. */ - return 0; - - /* The lock is not taken; try to get it now. */ - __asm__ __volatile__ ("stq_c %0,%1" - : "=r" (__rtn), "=m" (*__lock) - : "0" (__rtn), "1" (*__lock)); - /* RTN is clear if stq_c was interrupted; loop to try the lock again. */ - } while (! __rtn); - /* RTN is now nonzero; we have the lock. */ - return __rtn; -} - -/* Return nonzero if LOCK is locked. */ - -_EXTERN_INLINE int -__spin_lock_locked (__spin_lock_t *__lock) -{ - return *__lock != 0; -} - - -#endif /* machine-lock.h */ diff --git a/sysdeps/mach/alpha/machine-sp.h b/sysdeps/mach/alpha/machine-sp.h deleted file mode 100644 index e6df63c9ac..0000000000 --- a/sysdeps/mach/alpha/machine-sp.h +++ /dev/null @@ -1,36 +0,0 @@ -/* Machine-specific function to return the stack pointer. Alpha version. - Copyright (C) 1994, 1997, 2007 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; 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 - -/* Return the current stack pointer. */ - -#ifndef _EXTERN_INLINE -#define _EXTERN_INLINE __extern_inline -#endif - -_EXTERN_INLINE void * -__thread_stack_pointer (void) -{ - register void *__sp__ __asm__ ("$30"); - return __sp__; -} - -#endif /* machine-sp.h */ diff --git a/sysdeps/mach/alpha/setfpucw.c b/sysdeps/mach/alpha/setfpucw.c deleted file mode 100644 index a2887c8dfb..0000000000 --- a/sysdeps/mach/alpha/setfpucw.c +++ /dev/null @@ -1,69 +0,0 @@ -/* Set FP exception mask and rounding mode. Mach/Alpha version. - Copyright (C) 2002 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <fpu_control.h> - - -#define FPCR_DYN_SHIFT 58 /* first dynamic rounding mode bit */ -#define FPCR_DYN_CHOPPED (0x0UL << FPCR_DYN_SHIFT) /* towards 0 */ -#define FPCR_DYN_MINUS (0x1UL << FPCR_DYN_SHIFT) /* towards -INF */ -#define FPCR_DYN_NORMAL (0x2UL << FPCR_DYN_SHIFT) /* towards nearest */ -#define FPCR_DYN_PLUS (0x3UL << FPCR_DYN_SHIFT) /* towards +INF */ -#define FPCR_DYN_MASK (0x3UL << FPCR_DYN_SHIFT) - -static inline unsigned long -rdfpcr (void) -{ - unsigned long fpcr; - asm ("excb; mf_fpcr %0" : "=f"(fpcr)); - return fpcr; -} - -static inline void -wrfpcr (unsigned long fpcr) -{ - asm volatile ("mt_fpcr %0; excb" : : "f"(fpcr)); -} - - -void -__setfpucw (fpu_control_t fpu_control) -{ - unsigned long fpcr; - - if (!fpu_control) - fpu_control = _FPU_DEFAULT; - - /* first, set dynamic rounding mode: */ - - fpcr = rdfpcr(); - fpcr &= ~FPCR_DYN_MASK; - switch (fpu_control & 0xc00) - { - case _FPU_RC_NEAREST: fpcr |= FPCR_DYN_NORMAL; break; - case _FPU_RC_DOWN: fpcr |= FPCR_DYN_MINUS; break; - case _FPU_RC_UP: fpcr |= FPCR_DYN_PLUS; break; - case _FPU_RC_ZERO: fpcr |= FPCR_DYN_CHOPPED; break; - } - wrfpcr(fpcr); - - /* XXX trap bits? */ - - __fpu_control = fpu_control; /* update global copy */ -} diff --git a/sysdeps/mach/alpha/syscall.S b/sysdeps/mach/alpha/syscall.S deleted file mode 100644 index 15fc5b75b7..0000000000 --- a/sysdeps/mach/alpha/syscall.S +++ /dev/null @@ -1,37 +0,0 @@ -/* Copyright (C) 1994,97,2002 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdep.h> - -ENTRY (syscall) - mov a0, v0 /* Load system call number from first arg. */ - mov a1, a0 - mov a2, a1 - mov a3, a2 - mov a4, a3 - mov a5, a4 - /* Load the remaining possible args (up to 11) from the stack. */ - ldq a5,0(sp) - ldq t0,8(sp) - ldq t1,16(sp) - ldq t2,24(sp) - ldq t3,32(sp) - ldq t4,40(sp) - callsys - ret -END (syscall) diff --git a/sysdeps/mach/alpha/sysdep.h b/sysdeps/mach/alpha/sysdep.h deleted file mode 100644 index 84e21c8d5d..0000000000 --- a/sysdeps/mach/alpha/sysdep.h +++ /dev/null @@ -1,59 +0,0 @@ -/* Copyright (C) 1994,97,2002 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#define MOVE(x,y) mov x, y - -#define LOSE asm volatile ("call_pal 0") /* halt */ - -#define START_MACHDEP \ - asm ("_start: mov $30, $16\n" /* Put initial SP in a0. */ \ - " br $27, 1f\n" /* Load GP from PC. */ \ - "1: ldgp $29, 0($27)\n" \ - " jmp $26, _start0"); /* Jump to _start0; don't return. */ -#define START_ARGS char **sparg -#define SNARF_ARGS(argc, argv, envp) \ - (envp = &(argv = &sparg[1])[(argc = *(int *) sparg) + 1]) - -#define CALL_WITH_SP(fn, sp) \ - ({ register long int __fn = (long int) fn, __sp = (long int) sp; \ - asm volatile ("mov %0,$30; jmp $31, (%1); ldgp $29, 0(%1)" \ - : : "r" (__sp), "r" (__fn)); }) - -#define STACK_GROWTH_DOWN - -#define RETURN_TO(sp, pc, retval) \ - asm volatile ("mov %0,$30; jmp $31, (%1); mov %2,$0" \ - : : "r" (sp), "r" (pc), "r" ((long int) (retval))); - -#define ALIGN 3 -#include <sysdeps/mach/sysdep.h> - -/* Alpha needs the .ent and .frame magic that the generic version lacks. */ -#undef ENTRY -#define ENTRY(name) \ - .globl name; \ - .align 3; \ - .ent name, 0; \ - name##: \ - .frame sp, 0, ra - -#include <mach/alpha/asm.h> -#undef at -#define at 28 -#define AT $28 -#define fp s6 diff --git a/sysdeps/mach/alpha/thread_state.h b/sysdeps/mach/alpha/thread_state.h deleted file mode 100644 index 0c9527bd26..0000000000 --- a/sysdeps/mach/alpha/thread_state.h +++ /dev/null @@ -1,39 +0,0 @@ -/* Mach thread state definitions for machine-independent code. Alpha version. - Copyright (C) 1994, 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <mach/machine/thread_status.h> - -#define MACHINE_THREAD_STATE_FLAVOR ALPHA_THREAD_STATE -#define MACHINE_THREAD_STATE_COUNT ALPHA_THREAD_STATE_COUNT - -#define machine_thread_state alpha_thread_state - -#define PC pc -#define SP r30 -#define SYSRETURN r0 - -struct machine_thread_all_state - { - int set; /* Mask of bits (1 << FLAVOR). */ - struct alpha_thread_state basic; - struct alpha_exc_state exc; - struct alpha_float_state fpu; - }; - -#include <sysdeps/mach/thread_state.h> |