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internal commit: 14ac2bc2299032fa6714d1fefa7cf0987b3e3085

Signed-off-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Eddie Dong
2018-03-07 20:57:14 +08:00
committed by lijinxia
parent bd31b1c53e
commit 7a3a539b17
156 changed files with 41265 additions and 0 deletions
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hypervisor/include/lib/rtl.h Normal file
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/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef RTL_H
#define RTL_H
#include <types.h>
union u_qword {
struct {
uint32_t low;
uint32_t high;
} dwords;
uint64_t qword;
};
struct udiv_result {
union u_qword q;
union u_qword r;
};
/* Function prototypes */
void udelay(int us);
void *memchr(const void *void_s, int c, size_t n);
void *memmove(void *s1, const void *s2, size_t n);
int strcmp(const char *s1, const char *s2);
int strncmp(const char *s1, const char *s2, size_t n);
char *strcpy_s(char *d, size_t dmax, const char *s);
char *strncpy_s(char *d, size_t dmax, const char *s, size_t slen);
char *strchr(const char *s, int ch);
void mdelay(unsigned int ms);
size_t strnlen_s(const char *str, size_t maxlen);
void *memset(void *base, uint8_t v, size_t n);
void *memcpy_s(void *d, size_t dmax, const void *s, size_t slen);
int udiv64(uint64_t dividend, uint64_t divisor, struct udiv_result *res);
int udiv32(uint32_t dividend, uint32_t divisor, struct udiv_result *res);
extern uint64_t tsc_clock_freq;
#define US_TO_TICKS(x) ((x)*tsc_clock_freq/1000000UL)
#define TIME_MS_DELTA US_TO_TICKS(1000UL)
#define TICKS_TO_US(x) ((((x) * (1000000UL >> 8)) / tsc_clock_freq) << 8)
#define TICKS_TO_MS(x) (((x) * 1000UL) / tsc_clock_freq)
static inline uint64_t rdtsc(void)
{
uint32_t lo, hi;
asm volatile("rdtsc" : "=a" (lo), "=d" (hi));
return ((uint64_t)hi << 32) | lo;
}
#endif /* RTL_H */