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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 | 34 | ||
35 | __u32 haltstate = 0; /**< Halt flag */ |
35 | __u32 haltstate = 0; /**< Halt flag */ |
36 | 36 | ||
37 | 37 | ||
38 | /** Halt wrapper |
38 | /** Halt wrapper |
39 | * |
39 | * |
40 | * Set halt flag and halt the cpu. |
40 | * Set halt flag and halt the cpu. |
41 | * |
41 | * |
42 | */ |
42 | */ |
43 | void halt(void) |
43 | void halt(void) |
44 | { |
44 | { |
45 | haltstate = 1; |
45 | haltstate = 1; |
46 | cpu_priority_high(); |
46 | cpu_priority_high(); |
47 | printf("cpu%d: halted\n", CPU->id); |
47 | printf("cpu%d: halted\n", CPU->id); |
48 | cpu_halt(); |
48 | cpu_halt(); |
49 | } |
49 | } |
50 | 50 | ||
51 | 51 | ||
52 | /** Compare two NULL terminated strings |
52 | /** Compare two NULL terminated strings |
53 | * |
53 | * |
54 | * Do a char-by-char comparment of two NULL terminated strings. |
54 | * Do a char-by-char comparment of two NULL terminated strings. |
55 | * The strings are considered equal iff they have the same |
55 | * The strings are considered equal iff they have the same |
56 | * length and consist of the same characters. |
56 | * length and consist of the same characters. |
57 | * |
57 | * |
58 | * @param src First string to compare. |
58 | * @param src First string to compare. |
59 | * @param dst Second string to compare. |
59 | * @param dst Second string to compare. |
60 | * |
60 | * |
61 | * @return 0 if the strings are equal, 1 otherwise. |
61 | * @return 0 if the strings are equal, 1 otherwise. |
62 | * |
62 | * |
63 | */ |
63 | */ |
64 | int strcmp(char *src, char *dst) |
64 | int strcmp(const char *src, const char *dst) |
65 | { |
65 | { |
66 | int i; |
66 | int i; |
67 | 67 | ||
68 | i = 0; |
68 | i = 0; |
69 | while (src[i] == dst[i]) { |
69 | while (src[i] == dst[i]) { |
70 | if (src[i] == '\0') |
70 | if (src[i] == '\0') |
71 | return 0; |
71 | return 0; |
72 | i++; |
72 | i++; |
73 | } |
73 | } |
74 | return 1; |
74 | return 1; |
75 | } |
75 | } |
76 | 76 |