Rev 517 | Rev 532 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | jermar | 1 | /* |
| 2 | * Copyright (C) 2001-2004 Jakub Jermar |
||
| 3 | * All rights reserved. |
||
| 4 | * |
||
| 5 | * Redistribution and use in source and binary forms, with or without |
||
| 6 | * modification, are permitted provided that the following conditions |
||
| 7 | * are met: |
||
| 8 | * |
||
| 9 | * - Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * - Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 13 | * documentation and/or other materials provided with the distribution. |
||
| 14 | * - The name of the author may not be used to endorse or promote products |
||
| 15 | * derived from this software without specific prior written permission. |
||
| 16 | * |
||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 27 | */ |
||
| 28 | |||
| 29 | #include <func.h> |
||
| 30 | #include <print.h> |
||
| 31 | #include <cpu.h> |
||
| 32 | #include <arch/asm.h> |
||
| 33 | #include <arch.h> |
||
| 517 | jermar | 34 | #include <typedefs.h> |
| 1 | jermar | 35 | |
| 62 | decky | 36 | __u32 haltstate = 0; /**< Halt flag */ |
| 1 | jermar | 37 | |
| 62 | decky | 38 | |
| 39 | /** Halt wrapper |
||
| 40 | * |
||
| 41 | * Set halt flag and halt the cpu. |
||
| 42 | * |
||
| 43 | */ |
||
| 1 | jermar | 44 | void halt(void) |
| 45 | { |
||
| 46 | haltstate = 1; |
||
| 413 | jermar | 47 | interrupts_disable(); |
| 227 | jermar | 48 | if (CPU) |
| 49 | printf("cpu%d: halted\n", CPU->id); |
||
| 50 | else |
||
| 51 | printf("cpu: halted\n"); |
||
| 1 | jermar | 52 | cpu_halt(); |
| 53 | } |
||
| 54 | |||
| 517 | jermar | 55 | /** Return number of characters in a string. |
| 56 | * |
||
| 57 | * @param str NULL terminated string. |
||
| 58 | * |
||
| 59 | * @return Number of characters in str. |
||
| 60 | */ |
||
| 61 | size_t strlen(const char *str) |
||
| 62 | { |
||
| 63 | int i; |
||
| 64 | |||
| 65 | for (i = 0; str[i]; i++) |
||
| 66 | ; |
||
| 67 | |||
| 68 | return i; |
||
| 69 | } |
||
| 1 | jermar | 70 | |
| 62 | decky | 71 | /** Compare two NULL terminated strings |
| 72 | * |
||
| 517 | jermar | 73 | * Do a char-by-char comparison of two NULL terminated strings. |
| 74 | * The strings are considered equal iff they consist of the same |
||
| 75 | * characters on the minimum of their lengths and specified maximal |
||
| 76 | * length. |
||
| 62 | decky | 77 | * |
| 78 | * @param src First string to compare. |
||
| 79 | * @param dst Second string to compare. |
||
| 517 | jermar | 80 | * @param len Maximal length for comparison. |
| 62 | decky | 81 | * |
| 82 | * @return 0 if the strings are equal, 1 otherwise. |
||
| 83 | * |
||
| 1 | jermar | 84 | */ |
| 518 | jermar | 85 | int strncmp(const char *src, const char *dst, size_t len) |
| 1 | jermar | 86 | { |
| 87 | int i; |
||
| 88 | |||
| 89 | i = 0; |
||
| 517 | jermar | 90 | while ((i < len) && (src[i] == dst[i])) { |
| 91 | if ((i == len - 1) || (src[i] == '\0')) |
||
| 1 | jermar | 92 | return 0; |
| 93 | i++; |
||
| 94 | } |
||
| 95 | return 1; |
||
| 96 | } |
||
| 331 | bondari | 97 | |
| 518 | jermar | 98 | /** Copy NULL terminated string. |
| 99 | * |
||
| 100 | * Copy at most 'len' characters from string 'src' to 'dest'. |
||
| 101 | * If 'src' is shorter than 'len', '\0' is inserted behind the |
||
| 102 | * last copied character. |
||
| 103 | * |
||
| 104 | * @param src Source string. |
||
| 105 | * @param dst Destination buffer. |
||
| 106 | * @param len Size of destination buffer. |
||
| 107 | */ |
||
| 108 | void strncpy(char *dest, const char *src, size_t len) |
||
| 109 | { |
||
| 110 | int i; |
||
| 111 | for (i = 0; i < len; i++) { |
||
| 112 | if (!(dest[i] = src[i])) |
||
| 113 | return; |
||
| 114 | } |
||
| 115 | } |