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* Copyright (c) 2001-2004 Jakub Jermar
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* - The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/** @addtogroup generic
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* @brief Miscellaneous functions.
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#include <console/kconsole.h>
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atomic_t haltstate = {0}; /**< Halt flag */
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* Set halt flag and halt the CPU.
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bool rundebugger = false;
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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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#if (defined(CONFIG_DEBUG)) && (defined(CONFIG_KCONSOLE))
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if ((rundebugger) && (kconsole_check_poll()))
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kconsole("panic", "\nLast resort kernel console ready.\n", false);
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printf("cpu%u: halted\n", CPU->id);
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printf("cpu: halted\n");
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/** Convert ascii representation to unative_t
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* Supports 0x for hexa & 0 for octal notation.
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* Does not check for overflows, does not support negative numbers
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* @param text Textual representation of number
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* @return Converted number or 0 if no valid number ofund
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unative_t atoi(const char *text)
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if (text[0] == '0' && text[1] == 'x') {
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} else if (text[0] == '0')
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((*text >= 'A' && *text <= 'F' )
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|| (*text >='a' && *text <='f')))
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if (base == 8 && *text >='8')
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if (*text >= '0' && *text <= '9') {
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result += *text - '0';
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} else if (*text >= 'A' && *text <= 'F') {
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result += *text - 'A' + 10;
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} else if (*text >= 'a' && *text <= 'f') {
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result += *text - 'a' + 10;
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void order(const uint64_t val, uint64_t *rv, char *suffix)
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if (val > 10000000000000000000ULL) {
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*rv = val / 1000000000000000000ULL;
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} else if (val > 1000000000000000000ULL) {
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*rv = val / 1000000000000000ULL;
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} else if (val > 1000000000000000ULL) {
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*rv = val / 1000000000000ULL;
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} else if (val > 1000000000000ULL) {
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*rv = val / 1000000000ULL;
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} else if (val > 1000000000ULL) {
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*rv = val / 1000000ULL;
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} else if (val > 1000000ULL) {