qemu/linux-user/openrisc/target_syscall.h
Richard Henderson ab90233855 linux-user: Add MMAP_SHIFT for openrisc
The page size on openrisc is 8k.  Sync the shift
required for the mmap2 syscall.

Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-02-14 08:14:58 +11:00

37 lines
961 B
C

#ifndef OPENRISC_TARGET_SYSCALL_H
#define OPENRISC_TARGET_SYSCALL_H
struct target_pt_regs {
union {
struct {
/* Named registers */
uint32_t sr; /* Stored in place of r0 */
target_ulong sp; /* r1 */
};
struct {
/* Old style */
target_ulong offset[2];
target_ulong gprs[30];
};
struct {
/* New style */
target_ulong gpr[32];
};
};
target_ulong pc;
target_ulong orig_gpr11; /* For restarting system calls */
uint32_t syscallno; /* Syscall number (used by strace) */
target_ulong dummy; /* Cheap alignment fix */
};
#define UNAME_MACHINE "openrisc"
#define UNAME_MINIMUM_RELEASE "2.6.32"
#define TARGET_MINSIGSTKSZ 2048
#define TARGET_MLOCKALL_MCL_CURRENT 1
#define TARGET_MLOCKALL_MCL_FUTURE 2
#define MMAP_SHIFT TARGET_PAGE_BITS
#endif /* OPENRISC_TARGET_SYSCALL_H */