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 2014 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 23 #include <sys/poll.h> 24 25 #include <time.h> 26 #include <stdlib.h> 27 #include <unistd.h> 28 #include <errno.h> 29 30 #include <fakekernel.h> 31 32 pri_t minclsyspri = 60; 33 34 /* Some kernel code takes the address of this. */ 35 proc_t p0; 36 37 proc_t * 38 _curproc(void) 39 { 40 return (&p0); 41 } 42 43 zone_t zone0 = { 44 .zone_name = "global", 45 .zone_zsched = &p0, 0 46 }; 47 48 zone_t * 49 _curzone(void) 50 { 51 return (&zone0); 52 } 53 54 pid_t 55 ddi_get_pid(void) 56 { 57 return ((pid_t)getpid()); 58 } 59 60 /* 61 * Find highest one bit set. 62 * Returns bit number + 1 of highest bit that is set, otherwise returns 0. 63 */ 64 int 65 highbit64(uint64_t i) 66 { 67 int h = 1; 68 69 if (i == 0) 70 return (0); 71 if (i & 0xffffffff00000000ULL) { 72 h += 32; i >>= 32; 73 } 74 if (i & 0xffff0000) { 75 h += 16; i >>= 16; 76 } 77 if (i & 0xff00) { 78 h += 8; i >>= 8; 79 } 80 if (i & 0xf0) { 81 h += 4; i >>= 4; 82 } 83 if (i & 0xc) { 84 h += 2; i >>= 2; 85 } 86 if (i & 0x2) { 87 h += 1; 88 } 89 return (h); 90 } 91 92 int 93 ddi_strtoul(const char *str, char **endp, int base, unsigned long *res) 94 { 95 *res = strtoul(str, endp, base); 96 if (*res == 0) 97 return (errno); 98 return (0); 99 } 100 101 int 102 ddi_strtoull(const char *str, char **nptr, int base, u_longlong_t *res) 103 { 104 char *end; 105 106 *res = strtoull(str, &end, base); 107 if (*res == 0) 108 return (errno); 109 return (0); 110 } 111 112 void 113 delay(clock_t ticks) 114 { 115 int msec = ticks; /* NB: hz==1000 */ 116 (void) poll(0, 0, msec); 117 } 118 119 int 120 issig(int why) 121 { 122 return (0); 123 } 124 125 /* 126 * This library does not really need an "init" function, but 127 * providing one the main program can call is an easy way to 128 * make sure this library is loaded into the debugger, and 129 * gives us a way to avoid elfcheck complaints in the build. 130 */ 131 void 132 fakekernel_init(void) 133 { 134 } 135