Make ASTs per-process.
This commit is contained in:
thorpej
parent
88e7f62500
commit
e9d4801895
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@ -1,4 +1,4 @@
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# $NetBSD: genassym.cf,v 1.2 2000/12/13 03:16:37 mycroft Exp $
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# $NetBSD: genassym.cf,v 1.3 2001/01/19 18:51:17 thorpej Exp $
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#
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# Copyright (c) 1994, 1995 Gordon W. Ross
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@ -123,6 +123,7 @@ define P_CPU offsetof(struct proc, p_cpu)
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define P_MD_FLAGS offsetof(struct proc, p_md.md_flags)
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define P_MD_PCBPADDR offsetof(struct proc, p_md.md_pcbpaddr)
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define P_MD_SYSCALL offsetof(struct proc, p_md.md_syscall)
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define P_MD_ASTPENDING offsetof(struct proc, p_md.md_astpending)
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define PH_LINK offsetof(struct prochd, ph_link)
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define PH_RLINK offsetof(struct prochd, ph_rlink)
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@ -172,5 +173,4 @@ define CPU_INFO_FPCURPROC offsetof(struct cpu_info, ci_fpcurproc)
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define CPU_INFO_CURPCB offsetof(struct cpu_info, ci_curpcb)
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define CPU_INFO_IDLE_PCB_PADDR offsetof(struct cpu_info, ci_idle_pcb_paddr)
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define CPU_INFO_WANT_RESCHED offsetof(struct cpu_info, ci_want_resched)
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define CPU_INFO_ASTPENDING offsetof(struct cpu_info, ci_astpending)
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define CPU_INFO_SIZEOF sizeof(struct cpu_info)
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@ -1,4 +1,4 @@
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/* $NetBSD: ipifuncs.c,v 1.23 2000/11/22 08:39:48 thorpej Exp $ */
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/* $NetBSD: ipifuncs.c,v 1.24 2001/01/19 18:51:17 thorpej Exp $ */
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/*-
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* Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
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@ -39,7 +39,7 @@
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: ipifuncs.c,v 1.23 2000/11/22 08:39:48 thorpej Exp $");
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__KERNEL_RCSID(0, "$NetBSD: ipifuncs.c,v 1.24 2001/01/19 18:51:17 thorpej Exp $");
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/*
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* Interprocessor interrupt handlers.
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@ -285,7 +285,8 @@ void
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alpha_ipi_ast(struct cpu_info *ci, struct trapframe *framep)
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{
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aston(ci);
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if (ci->ci_curproc != NULL)
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aston(ci->ci_curproc);
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}
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void
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@ -1,4 +1,4 @@
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/* $NetBSD: locore.s,v 1.87 2000/12/13 03:16:37 mycroft Exp $ */
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/* $NetBSD: locore.s,v 1.88 2001/01/19 18:51:17 thorpej Exp $ */
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/*-
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* Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
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@ -72,7 +72,7 @@
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#include <machine/asm.h>
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__KERNEL_RCSID(0, "$NetBSD: locore.s,v 1.87 2000/12/13 03:16:37 mycroft Exp $");
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__KERNEL_RCSID(0, "$NetBSD: locore.s,v 1.88 2001/01/19 18:51:17 thorpej Exp $");
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#include "assym.h"
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@ -325,16 +325,15 @@ LEAF(exception_return, 1) /* XXX should be NESTED */
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/* GET_CPUINFO clobbers v0, t0, t8...t11. */
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GET_CPUINFO
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ldq t2, CPU_INFO_ASTPENDING(v0) /* AST pending? */
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ldq t1, CPU_INFO_CURPROC(v0)
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ldl t2, P_MD_ASTPENDING(t1) /* AST pending? */
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bne t2, 6f /* yes */
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/* no: return & deal with FP */
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/*
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* We are going back to usermode. Enable the FPU based on whether
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* the current proc is fpcurproc. v0 already contains the cpu_info
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* pointer from above.
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* the current proc is fpcurproc.
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*/
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ldq t1, CPU_INFO_CURPROC(v0)
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ldq t2, CPU_INFO_FPCURPROC(v0)
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cmpeq t1, t2, t1
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mov zero, a0
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@ -364,7 +363,7 @@ LEAF(exception_return, 1) /* XXX should be NESTED */
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br 2b
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/* We've got an AST */
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6: stq zero, CPU_INFO_ASTPENDING(v0) /* no AST pending */
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6: stl zero, P_MD_ASTPENDING(t1) /* no AST pending */
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ldiq a0, ALPHA_PSL_IPL_0 /* drop IPL to zero */
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call_pal PAL_OSF1_swpipl
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@ -1,4 +1,4 @@
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/* $NetBSD: cpu.h,v 1.49 2000/12/13 00:46:31 mycroft Exp $ */
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/* $NetBSD: cpu.h,v 1.50 2001/01/19 18:51:18 thorpej Exp $ */
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/*-
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* Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
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@ -127,7 +127,6 @@ struct cpu_info {
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paddr_t ci_idle_pcb_paddr; /* PA of idle PCB */
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struct cpu_softc *ci_softc; /* pointer to our device */
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u_long ci_want_resched; /* preempt current process */
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u_long ci_astpending; /* AST is pending */
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u_long ci_intrdepth; /* interrupt trap depth */
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struct trapframe *ci_db_regs; /* registers for debuggers */
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#if defined(MULTIPROCESSOR)
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@ -207,7 +206,8 @@ struct clockframe {
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#define need_resched(ci) \
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do { \
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(ci)->ci_want_resched = 1; \
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aston(ci); \
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if ((ci)->ci_curproc != NULL) \
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aston((ci)->ci_curproc); \
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} while (/*CONSTCOND*/0)
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/*
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@ -218,14 +218,14 @@ do { \
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#define need_proftick(p) \
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do { \
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(p)->p_flag |= P_OWEUPC; \
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aston((p)->p_cpu); \
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aston(p); \
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} while (/*CONSTCOND*/0)
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/*
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* Notify the current process (p) that it has a signal pending,
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* process as soon as possible.
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*/
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#define signotify(p) aston((p)->p_cpu)
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#define signotify(p) aston(p)
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/*
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* XXXSMP
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@ -233,7 +233,7 @@ do { \
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* it sees a normal kernel entry? I guess letting it happen later
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* follows the `asynchronous' part of the name...
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*/
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#define aston(ci) ((ci)->ci_astpending = 1)
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#define aston(p) ((p)->p_md.md_astpending = 1)
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#endif /* _KERNEL */
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/*
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@ -1,4 +1,4 @@
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/* $NetBSD: proc.h,v 1.8 2000/12/14 00:41:50 mycroft Exp $ */
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/* $NetBSD: proc.h,v 1.9 2001/01/19 18:51:18 thorpej Exp $ */
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/*
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* Copyright (c) 1994, 1995 Carnegie-Mellon University.
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@ -37,7 +37,9 @@ struct mdproc {
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u_long md_flags;
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struct trapframe *md_tf; /* trap/syscall registers */
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struct pcb *md_pcbpaddr; /* phys addr of the pcb */
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void (*md_syscall) __P((struct proc *, u_int64_t, struct trapframe *));
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/* this process's syscall vector */
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void (*md_syscall)(struct proc *, u_int64_t, struct trapframe *);
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__volatile int md_astpending; /* AST pending for this process */
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};
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#define MDP_FPUSED 0x0001 /* Process used the FPU */
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@ -1,4 +1,4 @@
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/* $NetBSD: types.h,v 1.19 2001/01/14 23:50:29 thorpej Exp $ */
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/* $NetBSD: types.h,v 1.20 2001/01/19 18:51:18 thorpej Exp $ */
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/*-
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* Copyright (c) 1990, 1993
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@ -78,5 +78,6 @@ typedef int64_t register_t;
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#define __HAVE_CPU_COUNTER
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#define __HAVE_SYSCALL_INTERN
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#define __HAVE_MINIMAL_EMUL
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#define __HAVE_AST_PERPROC
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#endif /* _MACHTYPES_H_ */
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