Rev 501 | Rev 518 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 501 | Rev 517 | ||
---|---|---|---|
1 | /* |
1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #include <func.h> |
29 | #include <func.h> |
30 | #include <print.h> |
30 | #include <print.h> |
31 | #include <cpu.h> |
31 | #include <cpu.h> |
32 | #include <arch/asm.h> |
32 | #include <arch/asm.h> |
33 | #include <arch.h> |
33 | #include <arch.h> |
- | 34 | #include <typedefs.h> |
|
34 | 35 | ||
35 | __u32 haltstate = 0; /**< Halt flag */ |
36 | __u32 haltstate = 0; /**< Halt flag */ |
36 | 37 | ||
37 | 38 | ||
38 | /** Halt wrapper |
39 | /** Halt wrapper |
39 | * |
40 | * |
40 | * Set halt flag and halt the cpu. |
41 | * Set halt flag and halt the cpu. |
41 | * |
42 | * |
42 | */ |
43 | */ |
43 | void halt(void) |
44 | void halt(void) |
44 | { |
45 | { |
45 | haltstate = 1; |
46 | haltstate = 1; |
46 | interrupts_disable(); |
47 | interrupts_disable(); |
47 | if (CPU) |
48 | if (CPU) |
48 | printf("cpu%d: halted\n", CPU->id); |
49 | printf("cpu%d: halted\n", CPU->id); |
49 | else |
50 | else |
50 | printf("cpu: halted\n"); |
51 | printf("cpu: halted\n"); |
51 | cpu_halt(); |
52 | cpu_halt(); |
52 | } |
53 | } |
53 | 54 | ||
- | 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 | } |
|
54 | 70 | ||
55 | /** Compare two NULL terminated strings |
71 | /** Compare two NULL terminated strings |
56 | * |
72 | * |
57 | * Do a char-by-char comparment of two NULL terminated strings. |
73 | * Do a char-by-char comparison of two NULL terminated strings. |
58 | * The strings are considered equal iff they have the same |
74 | * The strings are considered equal iff they consist of the same |
59 | * length and consist of the same characters. |
75 | * characters on the minimum of their lengths and specified maximal |
- | 76 | * length. |
|
60 | * |
77 | * |
61 | * @param src First string to compare. |
78 | * @param src First string to compare. |
62 | * @param dst Second string to compare. |
79 | * @param dst Second string to compare. |
- | 80 | * @param len Maximal length for comparison. |
|
63 | * |
81 | * |
64 | * @return 0 if the strings are equal, 1 otherwise. |
82 | * @return 0 if the strings are equal, 1 otherwise. |
65 | * |
83 | * |
66 | */ |
84 | */ |
67 | int strcmp(const char *src, const char *dst) |
85 | int strcmp(const char *src, const char *dst, size_t len) |
68 | { |
86 | { |
69 | int i; |
87 | int i; |
70 | 88 | ||
71 | i = 0; |
89 | i = 0; |
72 | while (src[i] == dst[i]) { |
90 | while ((i < len) && (src[i] == dst[i])) { |
73 | if (src[i] == '\0') |
91 | if ((i == len - 1) || (src[i] == '\0')) |
74 | return 0; |
92 | return 0; |
75 | i++; |
93 | i++; |
76 | } |
94 | } |
77 | return 1; |
95 | return 1; |
78 | } |
96 | } |
79 | 97 | ||
80 | 98 |