1 /* 2 * This file and its contents are supplied under the terms of the 3 * Common Development and Distribution License ("CDDL"), version 1.0. 4 * You may only use this file in accordance with the terms of version 5 * 1.0 of the CDDL. 6 * 7 * A full copy of the text of the CDDL should have accompanied this 8 * source. A copy of the CDDL is also available via the Internet at 9 * http://www.illumos.org/license/CDDL. 10 */ 11 12 /* 13 * Copyright 2015 Nexenta Systems, Inc. All rights reserved. 14 * Copyright 2017 RackTop Systems. 15 */ 16 17 #include <sys/types.h> 18 #include <sys/time.h> 19 #include <sys/thread.h> 20 #include <sys/proc.h> 21 #include <sys/zone.h> 22 #include <sys/poll.h> 23 24 #include <time.h> 25 #include <stdlib.h> 26 #include <unistd.h> 27 #include <errno.h> 28 #include <string.h> 29 30 #include <fakekernel.h> 31 32 pri_t minclsyspri = 60; 33 extern zone_t zone0; 34 35 /* Some kernel code takes the address of this. */ 36 proc_t p0 = { 37 .p_zone = &zone0, 0 38 }; 39 40 proc_t * 41 _curproc(void) 42 { 43 return (&p0); 44 } 45 46 zone_t zone0 = { 47 .zone_name = "global", 48 .zone_zsched = &p0, 0 49 }; 50 51 zone_t * 52 _curzone(void) 53 { 54 return (&zone0); 55 } 56 57 pid_t 58 ddi_get_pid(void) 59 { 60 return ((pid_t)getpid()); 61 } 62 63 /* 64 * Find highest one bit set. 65 * Returns bit number + 1 of highest bit that is set, otherwise returns 0. 66 */ 67 int 68 highbit64(uint64_t i) 69 { 70 int h = 1; 71 72 if (i == 0) 73 return (0); 74 if (i & 0xffffffff00000000ULL) { 75 h += 32; i >>= 32; 76 } 77 if (i & 0xffff0000) { 78 h += 16; i >>= 16; 79 } 80 if (i & 0xff00) { 81 h += 8; i >>= 8; 82 } 83 if (i & 0xf0) { 84 h += 4; i >>= 4; 85 } 86 if (i & 0xc) { 87 h += 2; i >>= 2; 88 } 89 if (i & 0x2) { 90 h += 1; 91 } 92 return (h); 93 } 94 95 int 96 ddi_strtoul(const char *str, char **endp, int base, unsigned long *res) 97 { 98 *res = strtoul(str, endp, base); 99 if (*res == 0) 100 return (errno); 101 return (0); 102 } 103 104 int 105 ddi_strtoull(const char *str, char **endp, int base, u_longlong_t *res) 106 { 107 errno = 0; 108 *res = strtoull(str, endp, base); 109 if (*res == 0) 110 return (errno); 111 return (0); 112 } 113 114 void 115 delay(clock_t ticks) 116 { 117 int msec = ticks; /* NB: hz==1000 */ 118 (void) poll(0, 0, msec); 119 } 120 121 int 122 highbit(ulong_t i) 123 { 124 return (fls(i)); 125 } 126 127 /* ARGSUSED */ 128 int 129 issig(int why) 130 { 131 return (0); 132 } 133 134 /* 135 * This library does not really need an "init" function, but 136 * providing one the main program can call is an easy way to 137 * make sure this library is loaded into the debugger, and 138 * gives us a way to avoid elfcheck complaints in the build. 139 */ 140 void 141 fakekernel_init(void) 142 { 143 } 144