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Diffstat (limited to 'sys/ia64/include/cpu.h')
| -rw-r--r-- | sys/ia64/include/cpu.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/sys/ia64/include/cpu.h b/sys/ia64/include/cpu.h new file mode 100644 index 0000000..3da3331 --- /dev/null +++ b/sys/ia64/include/cpu.h @@ -0,0 +1,174 @@ +/* $FreeBSD$ */ +/* From: NetBSD: cpu.h,v 1.18 1997/09/23 23:17:49 mjacob Exp */ + +/* + * Copyright (c) 1988 University of Utah. + * Copyright (c) 1982, 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: Utah $Hdr: cpu.h 1.16 91/03/25$ + * + * @(#)cpu.h 8.4 (Berkeley) 1/5/94 + */ + +#ifndef _MACHINE_CPU_H_ +#define _MACHINE_CPU_H_ + +/* + * Exported definitions unique to Alpha cpu support. + */ + +#include <machine/frame.h> + +/* + * Arguments to hardclock and gatherstats encapsulate the previous + * machine state in an opaque clockframe. One the Alpha, we use + * what we push on an interrupt (a trapframe). + */ +struct clockframe { + struct trapframe cf_tf; +}; +#define CLKF_USERMODE(framep) \ + (((framep)->cf_tf.tf_cr_ipsr & IA64_PSR_CPL) == IA64_PSR_CPL_USER) +#define CLKF_BASEPRI(framep) \ + (((framep)->cf_tf.tf_cr_ipsr & IA64_PSR_I) == 0) +#define CLKF_PC(framep) ((framep)->cf_tf.tf_cr_iip) +#define CLKF_INTR(framep) (intr_nesting_level >= 2) + +/* + * Preempt the current process if in interrupt from user mode, + * or after the current trap/syscall if in system mode. + */ +#define need_resched() do { want_resched = 1; aston(); } while (0) + +#define resched_wanted() want_resched + +/* + * Give a profiling tick to the current process when the user profiling + * buffer pages are invalid. On the hp300, request an ast to send us + * through trap, marking the proc as needing a profiling tick. + */ +#define need_proftick(p) \ + do { (p)->p_flag |= P_OWEUPC; aston(); } while (0) + +/* + * Notify the current process (p) that it has a signal pending, + * process as soon as possible. + */ +#define signotify(p) aston() + +#define aston() PCPU_SET(astpending, 1) + +#ifdef _KERNEL +extern u_int32_t intr_nesting_level; /* bookeeping only; counts sw intrs */ +extern u_int32_t want_resched; /* resched() was called */ +#endif + + +/* + * CTL_MACHDEP definitions. + */ +#define CPU_CONSDEV 1 /* dev_t: console terminal device */ +#define CPU_ROOT_DEVICE 2 /* string: root device name */ +#define CPU_UNALIGNED_PRINT 3 /* int: print unaligned accesses */ +#define CPU_UNALIGNED_FIX 4 /* int: fix unaligned accesses */ +#define CPU_UNALIGNED_SIGBUS 5 /* int: SIGBUS unaligned accesses */ +#define CPU_BOOTED_KERNEL 6 /* string: booted kernel name */ +#define CPU_ADJKERNTZ 7 /* int: timezone offset (seconds) */ +#define CPU_DISRTCSET 8 /* int: disable resettodr() call */ +#define CPU_WALLCLOCK 9 /* int: indicates wall CMOS clock */ +#define CPU_MAXID 9 /* 9 valid machdep IDs */ + +#define CTL_MACHDEP_NAMES { \ + { 0, 0 }, \ + { "console_device", CTLTYPE_STRUCT }, \ + { "root_device", CTLTYPE_STRING }, \ + { "unaligned_print", CTLTYPE_INT }, \ + { "unaligned_fix", CTLTYPE_INT }, \ + { "unaligned_sigbus", CTLTYPE_INT }, \ + { "booted_kernel", CTLTYPE_STRING }, \ + { "adjkerntz", CTLTYPE_INT }, \ + { "disable_rtc_set", CTLTYPE_INT }, \ + { "wall_cmos_clock", CTLTYPE_INT }, \ +} + +#ifdef _KERNEL + +struct pcb; +struct proc; +struct reg; +struct rpb; +struct trapframe; + +extern struct proc *fpcurproc; +extern struct rpb *hwrpb; +extern volatile int mc_expected, mc_received; + +void ast __P((struct trapframe *)); +int badaddr __P((void *, size_t)); +int badaddr_read __P((void *, size_t, void *)); +void child_return __P((struct proc *p)); +u_int64_t console_restart __P((u_int64_t, u_int64_t, u_int64_t)); +void do_sir __P((void)); +void dumpconf __P((void)); +void exception_return __P((void)); /* MAGIC */ +void frametoreg __P((struct trapframe *, struct reg *)); +long fswintrberr __P((void)); /* MAGIC */ +int ia64_pa_access __P((u_long)); +void ia64_init __P((void)); +void ia64_fpstate_check __P((struct proc *p)); +void ia64_fpstate_save __P((struct proc *p, int write)); +void ia64_fpstate_drop __P((struct proc *p)); +void ia64_fpstate_switch __P((struct proc *p)); +void init_prom_interface __P((struct rpb*)); +void interrupt + __P((unsigned long, unsigned long, unsigned long, struct trapframe *)); +void machine_check + __P((unsigned long, struct trapframe *, unsigned long, unsigned long)); +u_int64_t hwrpb_checksum __P((void)); +void hwrpb_restart_setup __P((void)); +void regdump __P((struct trapframe *)); +void regtoframe __P((struct reg *, struct trapframe *)); +int savectx __P((struct pcb *)); +void restorectx __P((struct pcb *)); +void set_iointr __P((void (*)(void *, unsigned long))); +void switch_exit __P((struct proc *)); /* MAGIC */ +void switch_trampoline __P((void)); /* MAGIC */ +void syscall __P((u_int64_t, struct trapframe *)); +void trap __P((int vector, struct trapframe *framep)); + +#endif /* _KERNEL */ + +#endif /* _MACHINE_CPU_H_ */ |
