17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 53f2f09c1Sdp * Common Development and Distribution License (the "License"). 63f2f09c1Sdp * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 227c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 237c478bd9Sstevel@tonic-gate 247c478bd9Sstevel@tonic-gate 257c478bd9Sstevel@tonic-gate /* 268fc99e42STrevor Thompson * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 277c478bd9Sstevel@tonic-gate * Use is subject to license terms. 287c478bd9Sstevel@tonic-gate */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #ifndef _SYS_SYSTM_H 317c478bd9Sstevel@tonic-gate #define _SYS_SYSTM_H 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include <sys/types.h> 347c478bd9Sstevel@tonic-gate #include <sys/t_lock.h> 357c478bd9Sstevel@tonic-gate #include <sys/proc.h> 367c478bd9Sstevel@tonic-gate #include <sys/dditypes.h> 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate #ifdef __cplusplus 397c478bd9Sstevel@tonic-gate extern "C" { 407c478bd9Sstevel@tonic-gate #endif 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate /* 437c478bd9Sstevel@tonic-gate * The pc_t is the type of the kernel's program counter. In general, a 447c478bd9Sstevel@tonic-gate * pc_t is a uintptr_t -- except for a sparcv9 kernel, in which case all 457c478bd9Sstevel@tonic-gate * instruction text is below 4G, and a pc_t is thus a uint32_t. 467c478bd9Sstevel@tonic-gate */ 477c478bd9Sstevel@tonic-gate #ifdef __sparcv9 487c478bd9Sstevel@tonic-gate typedef uint32_t pc_t; 497c478bd9Sstevel@tonic-gate #else 507c478bd9Sstevel@tonic-gate typedef uintptr_t pc_t; 517c478bd9Sstevel@tonic-gate #endif 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate /* 547c478bd9Sstevel@tonic-gate * Random set of variables used by more than one routine. 557c478bd9Sstevel@tonic-gate */ 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate #ifdef _KERNEL 587c478bd9Sstevel@tonic-gate #include <sys/varargs.h> 593f2f09c1Sdp #include <sys/uadmin.h> 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate extern int hz; /* system clock rate */ 627c478bd9Sstevel@tonic-gate extern struct vnode *rootdir; /* pointer to vnode of root directory */ 637c478bd9Sstevel@tonic-gate extern struct vnode *devicesdir; /* pointer to /devices vnode */ 647c478bd9Sstevel@tonic-gate extern int interrupts_unleashed; /* set after the spl0() in main() */ 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate extern char runin; /* scheduling flag */ 677c478bd9Sstevel@tonic-gate extern char runout; /* scheduling flag */ 687c478bd9Sstevel@tonic-gate extern char wake_sched; /* causes clock to wake swapper on next tick */ 697c478bd9Sstevel@tonic-gate extern char wake_sched_sec; /* causes clock to wake swapper after a sec */ 707c478bd9Sstevel@tonic-gate 717c478bd9Sstevel@tonic-gate extern pgcnt_t maxmem; /* max available memory (pages) */ 727c478bd9Sstevel@tonic-gate extern pgcnt_t physmem; /* physical memory (pages) on this CPU */ 737c478bd9Sstevel@tonic-gate extern pfn_t physmax; /* highest numbered physical page present */ 747c478bd9Sstevel@tonic-gate extern pgcnt_t physinstalled; /* physical pages including PROM/boot use */ 757c478bd9Sstevel@tonic-gate 767c478bd9Sstevel@tonic-gate extern caddr_t s_text; /* start of kernel text segment */ 777c478bd9Sstevel@tonic-gate extern caddr_t e_text; /* end of kernel text segment */ 787c478bd9Sstevel@tonic-gate extern caddr_t s_data; /* start of kernel text segment */ 797c478bd9Sstevel@tonic-gate extern caddr_t e_data; /* end of kernel text segment */ 807c478bd9Sstevel@tonic-gate 817c478bd9Sstevel@tonic-gate extern pgcnt_t availrmem; /* Available resident (not swapable) */ 827c478bd9Sstevel@tonic-gate /* memory in pages. */ 837c478bd9Sstevel@tonic-gate extern pgcnt_t availrmem_initial; /* initial value of availrmem */ 847c478bd9Sstevel@tonic-gate extern pgcnt_t segspt_minfree; /* low water mark for availrmem in seg_spt */ 857c478bd9Sstevel@tonic-gate extern pgcnt_t freemem; /* Current free memory. */ 867c478bd9Sstevel@tonic-gate 877c478bd9Sstevel@tonic-gate extern dev_t rootdev; /* device of the root */ 887c478bd9Sstevel@tonic-gate extern struct vnode *rootvp; /* vnode of root device */ 89986fd29aSsetje extern boolean_t root_is_svm; /* root is a mirrored device flag */ 90986fd29aSsetje extern boolean_t root_is_ramdisk; /* root is boot_archive ramdisk */ 91986fd29aSsetje extern uint32_t ramdisk_size; /* (KB) set only for sparc netboots */ 927c478bd9Sstevel@tonic-gate extern char *volatile panicstr; /* panic string pointer */ 937c478bd9Sstevel@tonic-gate extern va_list panicargs; /* panic arguments */ 94753a6d45SSherry Moore extern volatile int quiesce_active; /* quiesce(9E) is in progress */ 957c478bd9Sstevel@tonic-gate 967c478bd9Sstevel@tonic-gate extern int rstchown; /* 1 ==> restrictive chown(2) semantics */ 977c478bd9Sstevel@tonic-gate extern int klustsize; 987c478bd9Sstevel@tonic-gate 997c478bd9Sstevel@tonic-gate extern int abort_enable; /* Platform input-device abort policy */ 1007c478bd9Sstevel@tonic-gate 101005d3febSMarek Pospisil extern int audit_active; /* Solaris Auditing module state */ 1027c478bd9Sstevel@tonic-gate 1037c478bd9Sstevel@tonic-gate extern int avenrun[]; /* array of load averages */ 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate extern char *isa_list; /* For sysinfo's isalist option */ 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate extern int noexec_user_stack; /* patchable via /etc/system */ 1087c478bd9Sstevel@tonic-gate extern int noexec_user_stack_log; /* patchable via /etc/system */ 1097c478bd9Sstevel@tonic-gate 110108322fbScarlsonj /* 111108322fbScarlsonj * Use NFS client operations in the global zone only. Under contract with 112108322fbScarlsonj * admin/install; do not change without coordinating with that consolidation. 113108322fbScarlsonj */ 114108322fbScarlsonj extern int nfs_global_client_only; 115108322fbScarlsonj 1167c478bd9Sstevel@tonic-gate extern void report_stack_exec(proc_t *, caddr_t); 1177c478bd9Sstevel@tonic-gate 1187c478bd9Sstevel@tonic-gate extern void startup(void); 1197c478bd9Sstevel@tonic-gate extern void clkstart(void); 1207c478bd9Sstevel@tonic-gate extern void post_startup(void); 1217c478bd9Sstevel@tonic-gate extern void kern_setup1(void); 1227c478bd9Sstevel@tonic-gate extern void ka_init(void); 1237c478bd9Sstevel@tonic-gate extern void nodename_set(void); 1247c478bd9Sstevel@tonic-gate 1257c478bd9Sstevel@tonic-gate /* 1267c478bd9Sstevel@tonic-gate * for tod fault detection 1277c478bd9Sstevel@tonic-gate */ 1287c478bd9Sstevel@tonic-gate enum tod_fault_type { 1297c478bd9Sstevel@tonic-gate TOD_REVERSED = 0, 1307c478bd9Sstevel@tonic-gate TOD_STALLED, 1317c478bd9Sstevel@tonic-gate TOD_JUMPED, 1327c478bd9Sstevel@tonic-gate TOD_RATECHANGED, 133843e1988Sjohnlev TOD_RDONLY, 1347c478bd9Sstevel@tonic-gate TOD_NOFAULT 1357c478bd9Sstevel@tonic-gate }; 1367c478bd9Sstevel@tonic-gate 1378fc99e42STrevor Thompson #define TOD_GET_FAILED 0x1 /* TOD could not be read */ 1388fc99e42STrevor Thompson #define TOD_SET_DONE 0x2 /* TOD has been modified */ 1398fc99e42STrevor Thompson #define TOD_CPR_RESUME_DONE 0x4 /* CPR resume has occurred */ 1408fc99e42STrevor Thompson #define TOD_DR_RESUME_DONE 0x8 /* DR resume has occurred */ 1418fc99e42STrevor Thompson 1427c478bd9Sstevel@tonic-gate extern time_t tod_validate(time_t); 1438fc99e42STrevor Thompson extern void tod_status_set(int); 1448fc99e42STrevor Thompson extern void tod_status_clear(int); 1457c478bd9Sstevel@tonic-gate extern void plat_tod_fault(enum tod_fault_type); 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate #ifndef _LP64 1487c478bd9Sstevel@tonic-gate #ifndef min 1497c478bd9Sstevel@tonic-gate int min(int, int); 1507c478bd9Sstevel@tonic-gate #endif 1517c478bd9Sstevel@tonic-gate 1527c478bd9Sstevel@tonic-gate #ifndef max 1537c478bd9Sstevel@tonic-gate int max(int, int); 1547c478bd9Sstevel@tonic-gate #endif 1557c478bd9Sstevel@tonic-gate 1567c478bd9Sstevel@tonic-gate uint_t umin(uint_t, uint_t); 1577c478bd9Sstevel@tonic-gate uint_t umax(uint_t, uint_t); 1587c478bd9Sstevel@tonic-gate #endif /* !_LP64 */ 1597c478bd9Sstevel@tonic-gate int grow(caddr_t); 1607c478bd9Sstevel@tonic-gate int grow_internal(caddr_t, uint_t); 1617c478bd9Sstevel@tonic-gate int brk_internal(caddr_t, uint_t); 16287a18d3fSMadhavan Venkataraman typedef uint64_t callout_id_t; 1637c478bd9Sstevel@tonic-gate timeout_id_t timeout(void (*)(void *), void *, clock_t); 1647c478bd9Sstevel@tonic-gate timeout_id_t realtime_timeout(void (*)(void *), void *, clock_t); 1657c478bd9Sstevel@tonic-gate clock_t untimeout(timeout_id_t); 16687a18d3fSMadhavan Venkataraman /* 16787a18d3fSMadhavan Venkataraman * The last argument to timeout_generic() is flags. See callo.h for the 16887a18d3fSMadhavan Venkataraman * flags definitions. 16987a18d3fSMadhavan Venkataraman */ 17087a18d3fSMadhavan Venkataraman callout_id_t timeout_generic(int, void (*)(void *), void *, hrtime_t, hrtime_t, 17187a18d3fSMadhavan Venkataraman int); 17287a18d3fSMadhavan Venkataraman callout_id_t timeout_default(void (*)(void *), void *, clock_t); 17387a18d3fSMadhavan Venkataraman callout_id_t realtime_timeout_default(void (*)(void *), void *, clock_t); 17487a18d3fSMadhavan Venkataraman /* 17587a18d3fSMadhavan Venkataraman * The last argument to untimeout_generic() is flags. See callout.c for the 17687a18d3fSMadhavan Venkataraman * use. 17787a18d3fSMadhavan Venkataraman */ 17887a18d3fSMadhavan Venkataraman hrtime_t untimeout_generic(callout_id_t, int); 17987a18d3fSMadhavan Venkataraman clock_t untimeout_default(callout_id_t, int); 1807c478bd9Sstevel@tonic-gate void delay(clock_t); 1817c478bd9Sstevel@tonic-gate int delay_sig(clock_t); 1824c06356bSdh void delay_random(clock_t); 1837c478bd9Sstevel@tonic-gate int nodev(); 1847c478bd9Sstevel@tonic-gate int nulldev(); 1857c478bd9Sstevel@tonic-gate major_t getudev(void); 1867c478bd9Sstevel@tonic-gate int cmpldev(dev32_t *, dev_t); 1877c478bd9Sstevel@tonic-gate dev_t expldev(dev32_t); 1887c478bd9Sstevel@tonic-gate int bcmp(const void *, const void *, size_t) __PURE; 1897c478bd9Sstevel@tonic-gate int stoi(char **); 1907c478bd9Sstevel@tonic-gate void numtos(ulong_t, char *); 191ae46e4c7SMatthew Ahrens char *kmem_asprintf(const char *fmt, ...); 1927c478bd9Sstevel@tonic-gate int strident_valid(const char *); 1937c478bd9Sstevel@tonic-gate void strident_canon(char *, size_t); 1947c478bd9Sstevel@tonic-gate int getsubopt(char **optionsp, char * const *tokens, char **valuep); 1957c478bd9Sstevel@tonic-gate char *append_subopt(const char *, size_t, char *, const char *); 19669bb4bb4Scarlsonj int ffs(uintmax_t); 1977c478bd9Sstevel@tonic-gate int copyin(const void *, void *, size_t); 1987c478bd9Sstevel@tonic-gate void copyin_noerr(const void *, void *, size_t); 1997c478bd9Sstevel@tonic-gate int xcopyin(const void *, void *, size_t); 2007c478bd9Sstevel@tonic-gate int xcopyin_nta(const void *, void *, size_t, int); 2017c478bd9Sstevel@tonic-gate int copyout(const void *, void *, size_t); 2027c478bd9Sstevel@tonic-gate void copyout_noerr(const void *, void *, size_t); 2037c478bd9Sstevel@tonic-gate int xcopyout(const void *, void *, size_t); 2047c478bd9Sstevel@tonic-gate int xcopyout_nta(const void *, void *, size_t, int); 2057c478bd9Sstevel@tonic-gate int copyinstr(const char *, char *, size_t, size_t *); 2067c478bd9Sstevel@tonic-gate int copyinstr_noerr(const char *, char *, size_t, size_t *); 2077c478bd9Sstevel@tonic-gate int copyoutstr(const char *, char *, size_t, size_t *); 2087c478bd9Sstevel@tonic-gate int copyoutstr_noerr(const char *, char *, size_t, size_t *); 2097c478bd9Sstevel@tonic-gate int copystr(const char *, char *, size_t, size_t *); 2107c478bd9Sstevel@tonic-gate void ucopy(const void *, void *, size_t); 2119acbbeafSnn void ucopystr(const char *, char *, size_t, size_t *); 2127c478bd9Sstevel@tonic-gate void pgcopy(const void *, void *, size_t); 2137c478bd9Sstevel@tonic-gate void ovbcopy(const void *, void *, size_t); 2147c478bd9Sstevel@tonic-gate void uzero(void *, size_t); 2157c478bd9Sstevel@tonic-gate int kcopy(const void *, void *, size_t); 2167c478bd9Sstevel@tonic-gate int kcopy_nta(const void *, void *, size_t, int); 2177c478bd9Sstevel@tonic-gate int kzero(void *, size_t); 2187c478bd9Sstevel@tonic-gate 2197c478bd9Sstevel@tonic-gate int fuword8(const void *, uint8_t *); 2207c478bd9Sstevel@tonic-gate int fuword16(const void *, uint16_t *); 2217c478bd9Sstevel@tonic-gate int fuword32(const void *, uint32_t *); 2227c478bd9Sstevel@tonic-gate int fulword(const void *, ulong_t *); 2237c478bd9Sstevel@tonic-gate void fuword8_noerr(const void *, uint8_t *); 2247c478bd9Sstevel@tonic-gate void fuword16_noerr(const void *, uint16_t *); 2257c478bd9Sstevel@tonic-gate void fuword32_noerr(const void *, uint32_t *); 2267c478bd9Sstevel@tonic-gate void fulword_noerr(const void *, ulong_t *); 2277c478bd9Sstevel@tonic-gate 2287c478bd9Sstevel@tonic-gate #ifdef _LP64 2297c478bd9Sstevel@tonic-gate int fuword64(const void *, uint64_t *); 2307c478bd9Sstevel@tonic-gate void fuword64_noerr(const void *, uint64_t *); 2317c478bd9Sstevel@tonic-gate #endif 2327c478bd9Sstevel@tonic-gate 2337c478bd9Sstevel@tonic-gate int subyte(void *, uint8_t); 2347c478bd9Sstevel@tonic-gate int suword8(void *, uint8_t); 2357c478bd9Sstevel@tonic-gate int suword16(void *, uint16_t); 2367c478bd9Sstevel@tonic-gate int suword32(void *, uint32_t); 2377c478bd9Sstevel@tonic-gate int sulword(void *, ulong_t); 2387c478bd9Sstevel@tonic-gate void subyte_noerr(void *, uint8_t); 2397c478bd9Sstevel@tonic-gate void suword8_noerr(void *, uint8_t); 2407c478bd9Sstevel@tonic-gate void suword16_noerr(void *, uint16_t); 2417c478bd9Sstevel@tonic-gate void suword32_noerr(void *, uint32_t); 2427c478bd9Sstevel@tonic-gate void sulword_noerr(void *, ulong_t); 2437c478bd9Sstevel@tonic-gate 2447c478bd9Sstevel@tonic-gate #ifdef _LP64 2457c478bd9Sstevel@tonic-gate int suword64(void *, uint64_t); 2467c478bd9Sstevel@tonic-gate void suword64_noerr(void *, uint64_t); 2477c478bd9Sstevel@tonic-gate #endif 2487c478bd9Sstevel@tonic-gate 2497c478bd9Sstevel@tonic-gate #if !defined(_BOOT) 250*6a3e8e86SRichard Lowe int setjmp(label_t *) __RETURNS_TWICE; 2517c478bd9Sstevel@tonic-gate extern void longjmp(label_t *) 2527c478bd9Sstevel@tonic-gate __NORETURN; 2537c478bd9Sstevel@tonic-gate #pragma unknown_control_flow(setjmp) 2547c478bd9Sstevel@tonic-gate #endif 2557c478bd9Sstevel@tonic-gate 25694e7edb1Slucy wang - Sun Microsystems - Beijing China void prefetch_read_once(void *); 25794e7edb1Slucy wang - Sun Microsystems - Beijing China void prefetch_write_once(void *); 25894e7edb1Slucy wang - Sun Microsystems - Beijing China void prefetch_read_many(void *); 25994e7edb1Slucy wang - Sun Microsystems - Beijing China void prefetch_write_many(void *); 2607c478bd9Sstevel@tonic-gate caddr_t caller(void); 2617c478bd9Sstevel@tonic-gate caddr_t callee(void); 2627c478bd9Sstevel@tonic-gate int getpcstack(pc_t *, int); 263*6a3e8e86SRichard Lowe int on_fault(label_t *) __RETURNS_TWICE; 2647c478bd9Sstevel@tonic-gate void no_fault(void); 2657c478bd9Sstevel@tonic-gate void halt(char *); 2667c478bd9Sstevel@tonic-gate int scanc(size_t, uchar_t *, uchar_t *, uchar_t); 2677c478bd9Sstevel@tonic-gate int movtuc(size_t, uchar_t *, uchar_t *, uchar_t *); 2687c478bd9Sstevel@tonic-gate int splr(int); 2697c478bd9Sstevel@tonic-gate int splhigh(void); 2707c478bd9Sstevel@tonic-gate int splhi(void); 2717c478bd9Sstevel@tonic-gate int splzs(void); 2727c478bd9Sstevel@tonic-gate int spl0(void); 2737c478bd9Sstevel@tonic-gate int spl6(void); 2747c478bd9Sstevel@tonic-gate int spl7(void); 2757c478bd9Sstevel@tonic-gate int spl8(void); 2767c478bd9Sstevel@tonic-gate void splx(int); 2777c478bd9Sstevel@tonic-gate void set_base_spl(void); 2787c478bd9Sstevel@tonic-gate int __ipltospl(int); 279b885580bSAlexander Kolbasov int spl_xcall(void); 2807c478bd9Sstevel@tonic-gate 2817c478bd9Sstevel@tonic-gate void softcall_init(void); 2827c478bd9Sstevel@tonic-gate void softcall(void (*)(void *), void *); 2837c478bd9Sstevel@tonic-gate void softint(void); 2847c478bd9Sstevel@tonic-gate 2857c478bd9Sstevel@tonic-gate extern void sync_icache(caddr_t, uint_t); 2867c478bd9Sstevel@tonic-gate extern void sync_data_memory(caddr_t, size_t); 2877c478bd9Sstevel@tonic-gate extern void hot_patch_kernel_text(caddr_t, uint32_t, uint_t); 2887c478bd9Sstevel@tonic-gate 2897c478bd9Sstevel@tonic-gate void _insque(caddr_t, caddr_t); 2907c478bd9Sstevel@tonic-gate void _remque(caddr_t); 2917c478bd9Sstevel@tonic-gate 2927c478bd9Sstevel@tonic-gate /* casts to keep lint happy */ 2937c478bd9Sstevel@tonic-gate #define insque(q, p) _insque((caddr_t)q, (caddr_t)p) 2947c478bd9Sstevel@tonic-gate #define remque(q) _remque((caddr_t)q) 2957c478bd9Sstevel@tonic-gate 2967c478bd9Sstevel@tonic-gate #pragma unknown_control_flow(on_fault) 2977c478bd9Sstevel@tonic-gate 2987c478bd9Sstevel@tonic-gate struct timeval; 2997c478bd9Sstevel@tonic-gate extern void uniqtime(struct timeval *); 3007c478bd9Sstevel@tonic-gate struct timeval32; 3017c478bd9Sstevel@tonic-gate extern void uniqtime32(struct timeval32 *); 3027c478bd9Sstevel@tonic-gate 3037c478bd9Sstevel@tonic-gate uint_t page_num_pagesizes(void); 3047c478bd9Sstevel@tonic-gate size_t page_get_pagesize(uint_t n); 3057c478bd9Sstevel@tonic-gate 3067c478bd9Sstevel@tonic-gate extern int maxusers; 3077c478bd9Sstevel@tonic-gate extern int pidmax; 3087c478bd9Sstevel@tonic-gate 3097c478bd9Sstevel@tonic-gate extern void param_preset(void); 3107c478bd9Sstevel@tonic-gate extern void param_calc(int); 3117c478bd9Sstevel@tonic-gate extern void param_init(void); 3127c478bd9Sstevel@tonic-gate extern void param_check(void); 3137c478bd9Sstevel@tonic-gate 3147c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 3157c478bd9Sstevel@tonic-gate 3167c478bd9Sstevel@tonic-gate /* 3177c478bd9Sstevel@tonic-gate * Structure of the system-entry table. 3187c478bd9Sstevel@tonic-gate * 3197c478bd9Sstevel@tonic-gate * Changes to struct sysent should maintain binary compatibility with 3207c478bd9Sstevel@tonic-gate * loadable system calls, although the interface is currently private. 3217c478bd9Sstevel@tonic-gate * 3227c478bd9Sstevel@tonic-gate * This means it should only be expanded on the end, and flag values 3237c478bd9Sstevel@tonic-gate * should not be reused. 3247c478bd9Sstevel@tonic-gate * 3257c478bd9Sstevel@tonic-gate * It is desirable to keep the size of this struct a power of 2 for quick 3267c478bd9Sstevel@tonic-gate * indexing. 3277c478bd9Sstevel@tonic-gate */ 3287c478bd9Sstevel@tonic-gate struct sysent { 3297c478bd9Sstevel@tonic-gate char sy_narg; /* total number of arguments */ 3307c478bd9Sstevel@tonic-gate #ifdef _LP64 3317c478bd9Sstevel@tonic-gate unsigned short sy_flags; /* various flags as defined below */ 3327c478bd9Sstevel@tonic-gate #else 3337c478bd9Sstevel@tonic-gate unsigned char sy_flags; /* various flags as defined below */ 3347c478bd9Sstevel@tonic-gate #endif 3357c478bd9Sstevel@tonic-gate int (*sy_call)(); /* argp, rvalp-style handler */ 3367c478bd9Sstevel@tonic-gate krwlock_t *sy_lock; /* lock for loadable system calls */ 3377c478bd9Sstevel@tonic-gate int64_t (*sy_callc)(); /* C-style call hander or wrapper */ 3387c478bd9Sstevel@tonic-gate }; 3397c478bd9Sstevel@tonic-gate 3407c478bd9Sstevel@tonic-gate extern struct sysent sysent[]; 3417c478bd9Sstevel@tonic-gate #ifdef _SYSCALL32_IMPL 3427c478bd9Sstevel@tonic-gate extern struct sysent sysent32[]; 3437c478bd9Sstevel@tonic-gate #endif 3447c478bd9Sstevel@tonic-gate 3457c478bd9Sstevel@tonic-gate extern struct sysent nosys_ent; /* entry for invalid system call */ 3467c478bd9Sstevel@tonic-gate 3477c478bd9Sstevel@tonic-gate #define NSYSCALL 256 /* number of system calls */ 3487c478bd9Sstevel@tonic-gate 3497c478bd9Sstevel@tonic-gate #define LOADABLE_SYSCALL(s) (s->sy_flags & SE_LOADABLE) 3507c478bd9Sstevel@tonic-gate #define LOADED_SYSCALL(s) (s->sy_flags & SE_LOADED) 3517c478bd9Sstevel@tonic-gate 3527c478bd9Sstevel@tonic-gate /* 3537c478bd9Sstevel@tonic-gate * sy_flags values 3547c478bd9Sstevel@tonic-gate * Values 1, 2, and 4 were used previously for SETJUMP, ASYNC, and IOSYS. 3557c478bd9Sstevel@tonic-gate */ 3567c478bd9Sstevel@tonic-gate #define SE_32RVAL1 0x0 /* handler returns int32_t in rval1 */ 3577c478bd9Sstevel@tonic-gate #define SE_32RVAL2 0x1 /* handler returns int32_t in rval2 */ 3587c478bd9Sstevel@tonic-gate #define SE_64RVAL 0x2 /* handler returns int64_t in rvals */ 3597c478bd9Sstevel@tonic-gate #define SE_RVAL_MASK 0x3 /* mask of rval_t bits */ 3607c478bd9Sstevel@tonic-gate 3617c478bd9Sstevel@tonic-gate #define SE_LOADABLE 0x08 /* syscall is loadable */ 3627c478bd9Sstevel@tonic-gate #define SE_LOADED 0x10 /* syscall is completely loaded */ 3637c478bd9Sstevel@tonic-gate #define SE_NOUNLOAD 0x20 /* syscall never needs unload */ 3647c478bd9Sstevel@tonic-gate #define SE_ARGC 0x40 /* syscall takes C-style args */ 3657c478bd9Sstevel@tonic-gate 3667c478bd9Sstevel@tonic-gate /* 3677c478bd9Sstevel@tonic-gate * Structure of the return-value parameter passed by reference to 3687c478bd9Sstevel@tonic-gate * system entries. 3697c478bd9Sstevel@tonic-gate */ 3707c478bd9Sstevel@tonic-gate union rval { 3717c478bd9Sstevel@tonic-gate struct { 3727c478bd9Sstevel@tonic-gate int r_v1; 3737c478bd9Sstevel@tonic-gate int r_v2; 3747c478bd9Sstevel@tonic-gate } r_v; 3757c478bd9Sstevel@tonic-gate off_t r_off; 3767c478bd9Sstevel@tonic-gate offset_t r_offset; 3777c478bd9Sstevel@tonic-gate time_t r_time; 3787c478bd9Sstevel@tonic-gate int64_t r_vals; 3797c478bd9Sstevel@tonic-gate }; 3807c478bd9Sstevel@tonic-gate #define r_val1 r_v.r_v1 3817c478bd9Sstevel@tonic-gate #define r_val2 r_v.r_v2 3827c478bd9Sstevel@tonic-gate 3837c478bd9Sstevel@tonic-gate typedef union rval rval_t; 3847c478bd9Sstevel@tonic-gate 3857c478bd9Sstevel@tonic-gate #ifdef _KERNEL 3867c478bd9Sstevel@tonic-gate 3877c478bd9Sstevel@tonic-gate extern void reset_syscall_args(void); 3887c478bd9Sstevel@tonic-gate extern int save_syscall_args(void); 3897c478bd9Sstevel@tonic-gate extern uint_t get_syscall_args(klwp_t *lwp, long *argp, int *nargsp); 3907c478bd9Sstevel@tonic-gate #ifdef _SYSCALL32_IMPL 3917c478bd9Sstevel@tonic-gate extern uint_t get_syscall32_args(klwp_t *lwp, int *argp, int *nargp); 3927c478bd9Sstevel@tonic-gate #endif 3937c478bd9Sstevel@tonic-gate 3947c478bd9Sstevel@tonic-gate extern uint_t set_errno(uint_t error); 3957c478bd9Sstevel@tonic-gate #pragma rarely_called(set_errno) 3967c478bd9Sstevel@tonic-gate 3977c478bd9Sstevel@tonic-gate extern int64_t syscall_ap(void); 3987c478bd9Sstevel@tonic-gate extern int64_t loadable_syscall(long, long, long, long, long, long, long, long); 3997c478bd9Sstevel@tonic-gate extern int64_t nosys(void); 4007c478bd9Sstevel@tonic-gate 4017c478bd9Sstevel@tonic-gate extern void swtch(void); 4027c478bd9Sstevel@tonic-gate 4037c478bd9Sstevel@tonic-gate extern uint_t kcpc_key; /* TSD key for performance counter context */ 4047c478bd9Sstevel@tonic-gate 4057c478bd9Sstevel@tonic-gate /* 4063f2f09c1Sdp * initname holds the path to init and is used as a point of rendezvous 4073f2f09c1Sdp * between krtld (which processes the boot arguments) and the kernel. 4087c478bd9Sstevel@tonic-gate */ 4097c478bd9Sstevel@tonic-gate #define INITNAME_SZ 32 4107c478bd9Sstevel@tonic-gate extern char initname[INITNAME_SZ]; 4117c478bd9Sstevel@tonic-gate 4123f2f09c1Sdp /* 4133f2f09c1Sdp * initargs holds the arguments to init (such as -v, -s, -r, -m verbose) and 4143f2f09c1Sdp * is a point of rendezvous between krtld (which processes the boot arguments) 4153f2f09c1Sdp * and the kernel. 4163f2f09c1Sdp */ 4173f2f09c1Sdp extern char initargs[BOOTARGS_MAX]; 4183f2f09c1Sdp 4193f2f09c1Sdp extern int exec_init(const char *, const char *); 4203f2f09c1Sdp extern int start_init_common(void); 4217c478bd9Sstevel@tonic-gate 4227c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 4237c478bd9Sstevel@tonic-gate 424ae115bc7Smrj #if defined(_KERNEL) || defined(_BOOT) 425ae115bc7Smrj 426ae115bc7Smrj size_t strlcat(char *, const char *, size_t); 427ae115bc7Smrj size_t strlen(const char *) __PURE; 428ae115bc7Smrj char *strcat(char *, const char *); 429ae115bc7Smrj char *strncat(char *, const char *, size_t); 430ae115bc7Smrj char *strcpy(char *, const char *); 431ae115bc7Smrj char *strncpy(char *, const char *, size_t); 432ae115bc7Smrj /* Need to be consistent with <string.h> C++ definitions */ 433ae115bc7Smrj #if __cplusplus >= 199711L 434ae115bc7Smrj extern const char *strchr(const char *, int); 435ae115bc7Smrj #ifndef _STRCHR_INLINE 436ae115bc7Smrj #define _STRCHR_INLINE 437ae115bc7Smrj extern "C++" { 438ae115bc7Smrj inline char *strchr(char *__s, int __c) { 439ae115bc7Smrj return (char *)strchr((const char *)__s, __c); 440ae115bc7Smrj } 441ae115bc7Smrj } 442ae115bc7Smrj #endif /* _STRCHR_INLINE */ 443ae115bc7Smrj extern const char *strrchr(const char *, int); 444ae115bc7Smrj #ifndef _STRRCHR_INLINE 445ae115bc7Smrj #define _STRRCHR_INLINE 446ae115bc7Smrj extern "C++" { 447ae115bc7Smrj inline char *strrchr(char *__s, int __c) { 448ae115bc7Smrj return (char *)strrchr((const char *)__s, __c); 449ae115bc7Smrj } 450ae115bc7Smrj } 451ae115bc7Smrj #endif /* _STRRCHR_INLINE */ 452ae115bc7Smrj extern const char *strstr(const char *, const char *); 453ae115bc7Smrj #ifndef _STRSTR_INLINE 454ae115bc7Smrj #define _STRSTR_INLINE 455ae115bc7Smrj extern "C++" { 456ae115bc7Smrj inline char *strstr(char *__s1, const char *__s2) { 457ae115bc7Smrj return (char *)strstr((const char *)__s1, __s2); 458ae115bc7Smrj } 459ae115bc7Smrj } 460ae115bc7Smrj #endif /* _STRSTR_INLINE */ 461ae115bc7Smrj #else /* __cplusplus >= 199711L */ 462ae115bc7Smrj char *strchr(const char *, int); 463ae115bc7Smrj char *strrchr(const char *, int); 464ae115bc7Smrj char *strstr(const char *, const char *); 465ae115bc7Smrj #endif /* __cplusplus >= 199711L */ 466ae115bc7Smrj char *strnrchr(const char *, int, size_t); 467ae115bc7Smrj int strcmp(const char *, const char *) __PURE; 468ae115bc7Smrj int strncmp(const char *, const char *, size_t) __PURE; 469ae115bc7Smrj int strcasecmp(const char *, const char *) __PURE; 470ae115bc7Smrj int strncasecmp(const char *, const char *, size_t) __PURE; 471ae115bc7Smrj /* Need to be consistent with <string.h> C++ definitions */ 472ae115bc7Smrj #if __cplusplus >= 199711L 473ae115bc7Smrj extern const char *strpbrk(const char *, const char *); 474ae115bc7Smrj #ifndef _STRPBRK_INLINE 475ae115bc7Smrj #define _STRPBRK_INLINE 476ae115bc7Smrj extern "C++" { 477ae115bc7Smrj inline char *strpbrk(char *__s1, const char *__s2) { 478ae115bc7Smrj return (char *)strpbrk((const char *)__s1, __s2); 479ae115bc7Smrj } 480ae115bc7Smrj } 481ae115bc7Smrj #endif /* _STRPBRK_INLINE */ 482ae115bc7Smrj #else /* __cplusplus >= 199711L */ 483ae115bc7Smrj char *strpbrk(const char *, const char *); 484ae115bc7Smrj #endif /* __cplusplus >= 199711L */ 485ae115bc7Smrj void bcopy(const void *, void *, size_t); 486ae115bc7Smrj void bzero(void *, size_t); 487ae115bc7Smrj 488ae115bc7Smrj extern void *memset(void *, int, size_t); 489ae115bc7Smrj extern void *memcpy(void *, const void *, size_t); 490ae115bc7Smrj extern void *memmove(void *, const void *, size_t); 491ae115bc7Smrj extern int memcmp(const void *, const void *, size_t); 492ae115bc7Smrj 493ae115bc7Smrj #ifdef __lint 494ae115bc7Smrj extern int __lintzero; /* for spoofing lint */ 495ae115bc7Smrj #else /* __lint */ 496ae115bc7Smrj #define __lintzero 0 497ae115bc7Smrj #endif /* __lint */ 498ae115bc7Smrj #endif /* _KERNEL || _BOOT */ 499ae115bc7Smrj 5007c478bd9Sstevel@tonic-gate #ifdef __cplusplus 5017c478bd9Sstevel@tonic-gate } 5027c478bd9Sstevel@tonic-gate #endif 5037c478bd9Sstevel@tonic-gate 5047c478bd9Sstevel@tonic-gate #endif /* _SYS_SYSTM_H */ 505