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ebac4655 JA |
1 | #ifndef ARCH_X86_H |
2 | #define ARCH_X86_H | |
3 | ||
934f42ef JA |
4 | #ifndef __NR_sys_io_uring_setup |
5 | #define __NR_sys_io_uring_setup 387 | |
6 | #endif | |
7 | #ifndef __NR_sys_io_uring_enter | |
8 | #define __NR_sys_io_uring_enter 388 | |
9 | #endif | |
10 | #ifndef __NR_sys_io_uring_register | |
11 | #define __NR_sys_io_uring_register 389 | |
12 | #endif | |
13 | ||
6b13c710 JA |
14 | static inline void do_cpuid(unsigned int *eax, unsigned int *ebx, |
15 | unsigned int *ecx, unsigned int *edx) | |
16 | { | |
17 | asm volatile("xchgl %%ebx, %1\ncpuid\nxchgl %%ebx, %1" | |
18 | : "=a" (*eax), "=r" (*ebx), "=c" (*ecx), "=d" (*edx) | |
19 | : "0" (*eax) | |
20 | : "memory"); | |
21 | } | |
22 | ||
c473a9bd | 23 | #include "arch-x86-common.h" /* IWYU pragma: export */ |
fa80feae | 24 | |
e12f4ede | 25 | #define FIO_ARCH (arch_x86) |
ebac4655 | 26 | |
cb25df61 JA |
27 | #define FIO_HUGE_PAGE 4194304 |
28 | ||
db6defc7 | 29 | #define nop __asm__ __volatile__("rep;nop": : :"memory") |
44c47feb JA |
30 | #define read_barrier() __asm__ __volatile__("": : :"memory") |
31 | #define write_barrier() __asm__ __volatile__("": : :"memory") | |
ebac4655 | 32 | |
8f7e39dd JA |
33 | static inline unsigned long arch_ffz(unsigned long bitmask) |
34 | { | |
35 | __asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask)); | |
36 | return bitmask; | |
37 | } | |
c223da83 JA |
38 | |
39 | static inline unsigned long long get_cpu_clock(void) | |
40 | { | |
6eb9d1b9 | 41 | unsigned long long ret; |
c223da83 JA |
42 | |
43 | __asm__ __volatile__("rdtsc" : "=A" (ret)); | |
44 | return ret; | |
45 | } | |
46 | ||
8f7e39dd | 47 | #define ARCH_HAVE_FFZ |
c223da83 | 48 | #define ARCH_HAVE_CPU_CLOCK |
934f42ef | 49 | #define ARCH_HAVE_IOURING |
8f7e39dd | 50 | |
ebac4655 | 51 | #endif |