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/* SPDX-License-Identifier: MIT */
#ifndef __INTERNAL__LIBURING_SYSCALL_H
#error "This file should be included from src/syscall.h (liburing)"
#endif
#ifndef LIBURING_ARCH_AARCH64_SYSCALL_H
#define LIBURING_ARCH_AARCH64_SYSCALL_H
#if defined(__aarch64__)
#define __do_syscallN(...) ({ \
__asm__ volatile ( \
"svc 0" \
: "=r"(x0) \
: __VA_ARGS__ \
: "memory", "cc"); \
(long) x0; \
})
#define __do_syscall0(__n) ({ \
register long x8 __asm__("x8") = __n; \
register long x0 __asm__("x0"); \
\
__do_syscallN("r" (x8)); \
})
#define __do_syscall1(__n, __a) ({ \
register long x8 __asm__("x8") = __n; \
register __typeof__(__a) x0 __asm__("x0") = __a; \
\
__do_syscallN("r" (x8), "0" (x0)); \
})
#define __do_syscall2(__n, __a, __b) ({ \
register long x8 __asm__("x8") = __n; \
register __typeof__(__a) x0 __asm__("x0") = __a; \
register __typeof__(__b) x1 __asm__("x1") = __b; \
\
__do_syscallN("r" (x8), "0" (x0), "r" (x1)); \
})
#define __do_syscall3(__n, __a, __b, __c) ({ \
register long x8 __asm__("x8") = __n; \
register __typeof__(__a) x0 __asm__("x0") = __a; \
register __typeof__(__b) x1 __asm__("x1") = __b; \
register __typeof__(__c) x2 __asm__("x2") = __c; \
\
__do_syscallN("r" (x8), "0" (x0), "r" (x1), "r" (x2)); \
})
#define __do_syscall4(__n, __a, __b, __c, __d) ({ \
register long x8 __asm__("x8") = __n; \
register __typeof__(__a) x0 __asm__("x0") = __a; \
register __typeof__(__b) x1 __asm__("x1") = __b; \
register __typeof__(__c) x2 __asm__("x2") = __c; \
register __typeof__(__d) x3 __asm__("x3") = __d; \
\
__do_syscallN("r" (x8), "0" (x0), "r" (x1), "r" (x2), "r" (x3));\
})
#define __do_syscall5(__n, __a, __b, __c, __d, __e) ({ \
register long x8 __asm__("x8") = __n; \
register __typeof__(__a) x0 __asm__("x0") = __a; \
register __typeof__(__b) x1 __asm__("x1") = __b; \
register __typeof__(__c) x2 __asm__("x2") = __c; \
register __typeof__(__d) x3 __asm__("x3") = __d; \
register __typeof__(__e) x4 __asm__("x4") = __e; \
\
__do_syscallN("r" (x8), "0" (x0), "r" (x1), "r" (x2), "r" (x3), \
"r"(x4)); \
})
#define __do_syscall6(__n, __a, __b, __c, __d, __e, __f) ({ \
register long x8 __asm__("x8") = __n; \
register __typeof__(__a) x0 __asm__("x0") = __a; \
register __typeof__(__b) x1 __asm__("x1") = __b; \
register __typeof__(__c) x2 __asm__("x2") = __c; \
register __typeof__(__d) x3 __asm__("x3") = __d; \
register __typeof__(__e) x4 __asm__("x4") = __e; \
register __typeof__(__f) x5 __asm__("x5") = __f; \
\
__do_syscallN("r" (x8), "0" (x0), "r" (x1), "r" (x2), "r" (x3), \
"r" (x4), "r"(x5)); \
})
static inline void *__sys_mmap(void *addr, size_t length, int prot, int flags,
int fd, off_t offset)
{
return (void *) __do_syscall6(__NR_mmap, addr, length, prot, flags, fd,
offset);
}
static inline int __sys_munmap(void *addr, size_t length)
{
return (int) __do_syscall2(__NR_munmap, addr, length);
}
static inline int __sys_madvise(void *addr, size_t length, int advice)
{
return (int) __do_syscall3(__NR_madvise, addr, length, advice);
}
static inline int __sys_getrlimit(int resource, struct rlimit *rlim)
{
return (int) __do_syscall2(__NR_getrlimit, resource, rlim);
}
static inline int __sys_setrlimit(int resource, const struct rlimit *rlim)
{
return (int) __do_syscall2(__NR_setrlimit, resource, rlim);
}
static inline int __sys_close(int fd)
{
return (int) __do_syscall1(__NR_close, fd);
}
static inline int ____sys_io_uring_register(int fd, unsigned opcode,
const void *arg, unsigned nr_args)
{
return (int) __do_syscall4(__NR_io_uring_register, fd, opcode, arg,
nr_args);
}
static inline int ____sys_io_uring_setup(unsigned entries,
struct io_uring_params *p)
{
return (int) __do_syscall2(__NR_io_uring_setup, entries, p);
}
static inline int ____sys_io_uring_enter2(int fd, unsigned to_submit,
unsigned min_complete, unsigned flags,
sigset_t *sig, int sz)
{
return (int) __do_syscall6(__NR_io_uring_enter, fd, to_submit,
min_complete, flags, sig, sz);
}
static inline int ____sys_io_uring_enter(int fd, unsigned to_submit,
unsigned min_complete, unsigned flags,
sigset_t *sig)
{
return ____sys_io_uring_enter2(fd, to_submit, min_complete, flags, sig,
_NSIG / 8);
}
#else /* #if defined(__aarch64__) */
#include "../generic/syscall.h"
#endif /* #if defined(__aarch64__) */
#endif /* #ifndef LIBURING_ARCH_AARCH64_SYSCALL_H */
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