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f4122d99c5
Replace the BSD-3-Clause boiler plate license text with an SPDX tag. Fixes: #189 Signed-off-by: David B. Kinder <david.b.kinder@intel.com>
62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef RTL_H
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#define RTL_H
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#include <types.h>
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union u_qword {
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struct {
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uint32_t low;
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uint32_t high;
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} dwords;
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uint64_t qword;
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};
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struct udiv_result {
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union u_qword q;
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union u_qword r;
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};
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/* Function prototypes */
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void udelay(int us);
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void *memchr(const void *void_s, int c, size_t n);
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void *memmove(void *s1, const void *s2, size_t n);
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int strcmp(const char *s1, const char *s2);
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int strncmp(const char *s1, const char *s2, size_t n);
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char *strcpy_s(char *d, size_t dmax, const char *s);
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char *strncpy_s(char *d, size_t dmax, const char *s, size_t slen);
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char *strchr(const char *s, int ch);
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void mdelay(unsigned int ms);
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size_t strnlen_s(const char *str, size_t maxlen);
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void *memset(void *base, uint8_t v, size_t n);
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void *memcpy_s(void *d, size_t dmax, const void *s, size_t slen);
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int udiv64(uint64_t dividend, uint64_t divisor, struct udiv_result *res);
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int udiv32(uint32_t dividend, uint32_t divisor, struct udiv_result *res);
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int atoi(const char *str);
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long strtol(const char *nptr, char **endptr, register int base);
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uint64_t strtoul(const char *nptr, char **endptr, register int base);
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extern uint64_t tsc_hz;
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#define US_TO_TICKS(x) ((x) * tsc_hz / 1000000UL)
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#define CYCLES_PER_MS US_TO_TICKS(1000UL)
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#define TICKS_TO_US(x) ((((x) * (1000000UL >> 8)) / tsc_hz) << 8)
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#define TICKS_TO_MS(x) (((x) * 1000UL) / tsc_hz)
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static inline uint64_t rdtsc(void)
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{
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uint32_t lo, hi;
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asm volatile("rdtsc" : "=a" (lo), "=d" (hi));
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return ((uint64_t)hi << 32) | lo;
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}
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#endif /* RTL_H */
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