/* arch/posix.h - posix constants
* ? this file defines posix magic numbers
* needed in syscalls, both cross-platform
* ones and os-dependent ones. note that
* the values may change depending on the
* OS specified! */
#ifndef KIplatform_posix
#define KIplatform_posix
#include <k/def.h>
#include <k/type.h>
enum posix_prot {
posix_prot_none = 0,
posix_prot_read = 1 << 0,
posix_prot_write = 1 << 1,
posix_prot_exec = 1 << 2
};
enum posix_map {
posix_map_shared = 1,
posix_map_private = 2
};
enum posix_flag {
posix_flag_fixed = 0x10,
#if KVos == KA_os_lin
posix_flag_anonymous = 0x20,
#elif KVos == KA_os_fbsd
posix_flag_anonymous = 0x1000,
#endif
/* platform flags */
posix_flag_linux_hugetlb = 0x40000
};
/* platform types */
typedef s64 k_platform_syscall_return;
typedef u64 k_platform_syscall_error;
#if KVos == KA_os_lin
typedef long k_platform_syscall_arg;
#elif KVos == KA_os_fbsd
typedef u64 k_platform_syscall_arg;
#else
/* we're going to just pick a sane
* fallback that's reasonably likely
* to work with most systems one way
* or another */
typedef unsigned long long k_platform_syscall_arg;
#endif
struct k_platform_syscall_answer {
k_platform_syscall_return ret;
k_platform_syscall_error error;
};
#include <system_calls.h>
extern struct k_platform_syscall_answer
k_platform_syscall(enum k_platform_syscall call, u8 valency,
k_platform_syscall_arg args[]);
#endif