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Diffstat (limited to 'src/commonlib/configstring.c')
-rw-r--r-- | src/commonlib/configstring.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/commonlib/configstring.c b/src/commonlib/configstring.c new file mode 100644 index 0000000000..40beb1659c --- /dev/null +++ b/src/commonlib/configstring.c @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2013-2016, The Regents of the University of California + *(Regents). + * All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the Regents nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * IN NO EVENT SHALL REGENTS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, + * SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, + * ARISING + * OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF REGENTS HAS + * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * REGENTS SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE. THE SOFTWARE AND ACCOMPANYING DOCUMENTATION, IF ANY, PROVIDED + * HEREUNDER IS PROVIDED "AS IS". REGENTS HAS NO OBLIGATION TO PROVIDE + * MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + */ + +#include <config.h> +#include <assert.h> +#include <string.h> +#include <commonlib/configstring.h> + +void query_mem(const char *config_string, uintptr_t *base, size_t *size) +{ + query_result res = query_config_string(config_string, "ram{0{addr"); + *base = get_uint(res); + res = query_config_string(config_string, "ram{0{size"); + *size = get_uint(res); +} + +/* query_rtc returns the physical address of the rtc. */ +void query_rtc(const char *config_string, uintptr_t *mtime) +{ + query_result res = query_config_string(config_string, "rtc{addr"); + *mtime = (uintptr_t)get_uint(res); +} + +const char *configstring(void) +{ + uint32_t addr = *(uint32_t *)CONFIG_ARCH_CONFIGSTRING_RISCV; + return (const char *)(uintptr_t)addr; +} |