X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/6a4afa9985985e81bf99f36d63bd6877ba4e4679..5ff7c8570ab09cdf05bd09944407e0996e2fe218:/usr/src/sys/i386/include/cpu.h diff --git a/usr/src/sys/i386/include/cpu.h b/usr/src/sys/i386/include/cpu.h index 66d37b22f7..4a82b13662 100644 --- a/usr/src/sys/i386/include/cpu.h +++ b/usr/src/sys/i386/include/cpu.h @@ -1,49 +1,43 @@ /*- - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. * * %sccs.include.redist.c% * - * @(#)cpu.h 5.4 (Berkeley) %G% + * @(#)cpu.h 8.3 (Berkeley) %G% */ /* * Definitions unique to i386 cpu support. */ -#include "machine/frame.h" -#include "machine/segments.h" +#include +#include /* * definitions of cpu-dependent requirements * referenced in generic code */ -#undef COPY_SIGCODE /* don't copy sigcode above user stack in exec */ +#undef COPY_SIGCODE /* don't copy sigcode above user stack in exec */ -/* - * function vs. inline configuration; - * these are defined to get generic functions - * rather than inline or machine-dependent implementations - */ -#define NEED_MINMAX /* need {,i,l,ul}{min,max} functions */ -#define NEED_FFS /* need ffs function */ -#define NEED_BCMP /* need bcmp function */ -#define NEED_STRLEN /* need strlen function */ - -#define cpu_exec(p) /* nothing */ +#define cpu_exec(p) /* nothing */ +#define cpu_setstack(p, ap) (p)->p_md.md_regs[SP] = ap +#define cpu_set_init_frame(p, fp) (p)->p_md.md_regs = fp /* * Arguments to hardclock, softclock and gatherstats * encapsulate the previous machine state in an opaque * clockframe; for now, use generic intrframe. */ -typedef struct intrframe clockframe; +struct clockframe { + struct intrframe cf_if; +}; -#define CLKF_USERMODE(framep) (ISPL((framep)->if_cs) == SEL_UPL) -#define CLKF_BASEPRI(framep) ((framep)->if_ppl == 0) -#define CLKF_PC(framep) ((framep)->if_eip) +#define CLKF_USERMODE(framep) (ISPL((framep)->cf_if.if_cs) == SEL_UPL) +#define CLKF_BASEPRI(framep) ((framep)->cf_if.if_ppl == 0) +#define CLKF_PC(framep) ((framep)->cf_if.if_eip) #define resettodr() /* no todr to set */ @@ -58,7 +52,7 @@ typedef struct intrframe clockframe; * interrupt. On tahoe, request an ast to send us through trap(), * marking the proc as needing a profiling tick. */ -#define profile_tick(p, framep) { (p)->p_flag |= SOWEUPC; aston(); } +#define profile_tick(p, framep) { (p)->p_flag |= P_OWEUPC; aston(); } /* * Notify the current process (p) that it has a signal pending, @@ -80,3 +74,14 @@ int want_resched; /* resched() was called */ #define CPU_486SX 2 #define CPU_486 3 #define CPU_586 4 + +/* + * CTL_MACHDEP definitions. + */ +#define CPU_CONSDEV 1 /* dev_t: console terminal device */ +#define CPU_MAXID 2 /* number of valid machdep ids */ + +#define CTL_MACHDEP_NAMES { \ + { 0, 0 }, \ + { "console_device", CTLTYPE_STRUCT }, \ +}