diff options
Diffstat (limited to 'lib/libpthread')
| -rw-r--r-- | lib/libpthread/arch/m88k/_atomic_lock.c | 3 | ||||
| -rw-r--r-- | lib/libpthread/arch/m88k/uthread_machdep.c | 73 | ||||
| -rw-r--r-- | lib/libpthread/arch/m88k/uthread_machdep.h | 21 | ||||
| -rw-r--r-- | lib/libpthread/arch/m88k/uthread_machdep_asm.S | 93 |
4 files changed, 188 insertions, 2 deletions
diff --git a/lib/libpthread/arch/m88k/_atomic_lock.c b/lib/libpthread/arch/m88k/_atomic_lock.c index ad982a0f1c1..c156eb7da57 100644 --- a/lib/libpthread/arch/m88k/_atomic_lock.c +++ b/lib/libpthread/arch/m88k/_atomic_lock.c @@ -1,4 +1,5 @@ -/* $OpenBSD: _atomic_lock.c,v 1.3 2003/10/26 14:50:26 miod Exp $ */ +/* $OpenBSD: _atomic_lock.c,v 1.4 2004/02/27 22:19:46 deraadt Exp $ */ + /* * Copyright (c) 2003, Miodrag Vallat. * diff --git a/lib/libpthread/arch/m88k/uthread_machdep.c b/lib/libpthread/arch/m88k/uthread_machdep.c new file mode 100644 index 00000000000..435e976d04e --- /dev/null +++ b/lib/libpthread/arch/m88k/uthread_machdep.c @@ -0,0 +1,73 @@ +/* $OpenBSD: uthread_machdep.c,v 1.1 2004/02/27 22:19:46 deraadt Exp $ */ + +/* + * Copyright (c) 2004 Theo de Raadt + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * Machine-dependent thread state functions for m88k + */ + +#include <pthread.h> +#include "pthread_private.h" + +#define ALIGNBYTES 7 + +struct frame { + long regs[30]; +}; + +/* + * Given a stack and an entry function, initialise a state + * structure that can be later switched to. + */ +void +_thread_machdep_init(statep, base, len, entry) + struct _machdep_state* statep; + void *base; + int len; + void (*entry)(void); +{ + struct frame *f; + + f = (struct frame *)(((u_int32_t)base + len - sizeof *f) & ~ALIGNBYTES); + f->regs[29] = f->regs[27] = (u_int32_t)entry; + + statep->sp = (int)f; +} + +void +_thread_machdep_save_float_state(statep) + struct _machdep_state* statep; +{ + int fpreg; + + __asm__ __volatile__ ("fldcr %0, fcr62" : "=r" (fpreg)); + statep->fpsr = fpreg; + __asm__ __volatile__ ("fldcr %0, fcr63" : "=r" (fpreg)); + statep->fpcr = fpreg; +} + +void +_thread_machdep_restore_float_state(statep) + struct _machdep_state* statep; +{ + int fpreg; + + fpreg = statep->fpsr; + __asm__ __volatile__ ("fstcr %0, fcr62" : : "r" (fpreg)); + fpreg = statep->fpcr; + __asm__ __volatile__ ("fstcr %0, fcr63" : : "r" (fpreg)); +} diff --git a/lib/libpthread/arch/m88k/uthread_machdep.h b/lib/libpthread/arch/m88k/uthread_machdep.h index a08aebd4b9a..073af3e031c 100644 --- a/lib/libpthread/arch/m88k/uthread_machdep.h +++ b/lib/libpthread/arch/m88k/uthread_machdep.h @@ -1,4 +1,23 @@ -/* $OpenBSD: uthread_machdep.h,v 1.4 2001/02/21 00:24:38 miod Exp $ */ +/* $OpenBSD: uthread_machdep.h,v 1.5 2004/02/27 22:19:46 deraadt Exp $ */ + +/* + * Copyright (c) 2004 Theo de Raadt + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ struct _machdep_state { + u_int sp; + int fpsr; + int fpcr; }; diff --git a/lib/libpthread/arch/m88k/uthread_machdep_asm.S b/lib/libpthread/arch/m88k/uthread_machdep_asm.S new file mode 100644 index 00000000000..9a74e5a7fae --- /dev/null +++ b/lib/libpthread/arch/m88k/uthread_machdep_asm.S @@ -0,0 +1,93 @@ +/* $OpenBSD: uthread_machdep_asm.S,v 1.1 2004/02/27 22:19:46 deraadt Exp $ */ + +/* + * Copyright (c) 2004 Theo de Raadt + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <machine/asm.h> + + global __thread_machdep_switch + .type __thread_machdep_switch, @function +__thread_machdep_switch: + subu r31,r31,4*30 + + st r1,r31,4*29 + st r3,r31,4*0 + st r4,r31,4*1 + st r5,r31,4*2 + st r6,r31,4*3 + st r7,r31,4*4 + st r8,r31,4*5 + st r9,r31,4*6 + st r10,r31,4*7 + st r11,r31,4*8 + st r12,r31,4*9 + st r13,r31,4*10 + st r14,r31,4*11 + st r15,r31,4*12 + st r16,r31,4*13 + st r17,r31,4*14 + st r18,r31,4*15 + st r19,r31,4*16 + st r20,r31,4*17 + st r21,r31,4*18 + st r22,r31,4*19 + st r23,r31,4*20 + st r24,r31,4*21 + st r25,r31,4*22 + st r26,r31,4*23 + st r27,r31,4*24 + st r28,r31,4*25 + st r29,r31,4*26 + st r30,r31,4*27 + + st r31,r0,r3 + ld r31,r0,r2 + + ld r1,r31,4*29 + ld r3,r31,4*0 + ld r4,r31,4*1 + ld r5,r31,4*2 + ld r6,r31,4*3 + ld r7,r31,4*4 + ld r8,r31,4*5 + ld r9,r31,4*6 + ld r10,r31,4*7 + ld r11,r31,4*8 + ld r12,r31,4*9 + ld r13,r31,4*10 + ld r14,r31,4*11 + ld r15,r31,4*12 + ld r16,r31,4*13 + ld r17,r31,4*14 + ld r18,r31,4*15 + ld r19,r31,4*16 + ld r20,r31,4*17 + ld r21,r31,4*18 + ld r22,r31,4*19 + ld r23,r31,4*20 + ld r24,r31,4*21 + ld r25,r31,4*22 + ld r26,r31,4*23 + ld r27,r31,4*24 + ld r28,r31,4*25 + ld r29,r31,4*26 + ld r30,r31,4*27 + + jmp.n r1 + addu r31,r31,4*30 + + .size __thread_machdep_switch , . - __thread_machdep_switch + .align 8 |