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Rev 3022 Rev 4055
Line 53... Line 53...
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void halt()
 53 
void halt()
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{
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{
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#ifdef CONFIG_DEBUG
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#ifdef CONFIG_DEBUG
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    bool rundebugger = false;
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    bool rundebugger = false;
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 57 
 
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//      TODO test_and_set not defined on all arches
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//  if (!test_and_set(&haltstate))
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    if (!atomic_get(&haltstate)) {
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    if (!atomic_get(&haltstate)) {
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        atomic_set(&haltstate, 1);
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        atomic_set(&haltstate, 1);
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        rundebugger = true;
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        rundebugger = true;
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    }
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    }
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#else
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#else
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    atomic_set(&haltstate, 1);
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    atomic_set(&haltstate, 1);
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#endif
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#endif
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    interrupts_disable();
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    interrupts_disable();
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#ifdef CONFIG_DEBUG
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#if (defined(CONFIG_DEBUG)) && (defined(CONFIG_KCONSOLE))
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    if (rundebugger) {
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    if (rundebugger)
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        printf("\n");
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        kconsole("panic"); /* Run kconsole as a last resort to user */
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        kconsole("panic", "\nLast resort kernel console ready\n", false);
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#endif
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    }
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#endif      
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    if (CPU)
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    if (CPU)
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        printf("cpu%d: halted\n", CPU->id);
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        printf("cpu%u: halted\n", CPU->id);
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    else
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    else
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        printf("cpu: halted\n");
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        printf("cpu: halted\n");
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    cpu_halt();
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    cpu_halt();
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}
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}
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/** Return number of characters in a string.
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 *
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 * @param str NULL terminated string.
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 *
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 * @return Number of characters in str.
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 */
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size_t strlen(const char *str)
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{
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    int i;
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 - 
 
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    for (i = 0; str[i]; i++)
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        ;
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94 
   
 - 
 
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    return i;
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}
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 - 
 
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/** Compare two NULL terminated strings
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 *
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 * Do a char-by-char comparison of two NULL terminated strings.
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 * The strings are considered equal iff they consist of the same
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 * characters on the minimum of their lengths.
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 *
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 * @param src First string to compare.
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 * @param dst Second string to compare.
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 *
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 * @return 0 if the strings are equal, -1 if first is smaller, 1 if second smaller.
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 *
 - 
 
109 
 */
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int strcmp(const char *src, const char *dst)
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{
 - 
 
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    for (; *src && *dst; src++, dst++) {
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        if (*src < *dst)
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            return -1;
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        if (*src > *dst)
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            return 1;
 - 
 
117 
    }
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118 
    if (*src == *dst)
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        return 0;
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120 
    if (!*src)
 - 
 
121 
        return -1;
 - 
 
122 
    return 1;
 - 
 
123 
}
 - 
 
124 
 
 - 
 
125 
 
 - 
 
126 
/** Compare two NULL terminated strings
 - 
 
127 
 *
 - 
 
128 
 * Do a char-by-char comparison of two NULL terminated strings.
 - 
 
129 
 * The strings are considered equal iff they consist of the same
 - 
 
130 
 * characters on the minimum of their lengths and specified maximal
 - 
 
131 
 * length.
 - 
 
132 
 *
 - 
 
133 
 * @param src First string to compare.
 - 
 
134 
 * @param dst Second string to compare.
 - 
 
135 
 * @param len Maximal length for comparison.
 - 
 
136 
 *
 - 
 
137 
 * @return 0 if the strings are equal, -1 if first is smaller, 1 if second smaller.
 - 
 
138 
 *
 - 
 
139 
 */
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140 
int strncmp(const char *src, const char *dst, size_t len)
 - 
 
141 
{
 - 
 
142 
    unsigned int i;
 - 
 
143 
   
 - 
 
144 
    for (i = 0; (*src) && (*dst) && (i < len); src++, dst++, i++) {
 - 
 
145 
        if (*src < *dst)
 - 
 
146 
            return -1;
 - 
 
147 
        if (*src > *dst)
 - 
 
148 
            return 1;
 - 
 
149 
    }
 - 
 
150 
    if (i == len || *src == *dst)
 - 
 
151 
        return 0;
 - 
 
152 
    if (!*src)
 - 
 
153 
        return -1;
 - 
 
154 
    return 1;
 - 
 
155 
}
 - 
 
156 
 
 - 
 
157 
 
 - 
 
158 
 
 - 
 
159 
/** Copy NULL terminated string.
 - 
 
160 
 *
 - 
 
161 
 * Copy at most 'len' characters from string 'src' to 'dest'.
 - 
 
162 
 * If 'src' is shorter than 'len', '\0' is inserted behind the
 - 
 
163 
 * last copied character.
 - 
 
164 
 *
 - 
 
165 
 * @param src Source string.
 - 
 
166 
 * @param dest Destination buffer.
 - 
 
167 
 * @param len Size of destination buffer.
 - 
 
168 
 */
 - 
 
169 
void strncpy(char *dest, const char *src, size_t len)
 - 
 
170 
{
 - 
 
171 
    unsigned int i;
 - 
 
172 
    for (i = 0; i < len; i++) {
 - 
 
173 
        if (!(dest[i] = src[i]))
 - 
 
174 
            return;
 - 
 
175 
    }
 - 
 
176 
    dest[i-1] = '\0';
 - 
 
177 
}
 - 
 
178 
 
 - 
 
179 
/** Convert ascii representation to unative_t
 80 
/** Convert ascii representation to unative_t
180 
 *
 81 
 *
181 
 * Supports 0x for hexa & 0 for octal notation.
 82 
 * Supports 0x for hexa & 0 for octal notation.
182 
 * Does not check for overflows, does not support negative numbers
 83 
 * Does not check for overflows, does not support negative numbers
183 
 *
 84 
 *