1 #ifndef TILEGX_SYSCALLS_H
2 #define TILEGX_SYSCALLS_H
4 #define UNAME_MACHINE "tilegx"
5 #define UNAME_MINIMUM_RELEASE "3.19"
7 #define MMAP_SHIFT TARGET_PAGE_BITS
9 #define TILEGX_IS_ERRNO(ret) \
10 ((ret) > 0xfffffffffffff000ULL) /* errno is 0 -- 4096 */
12 typedef uint64_t tilegx_reg_t
;
14 struct target_pt_regs
{
17 /* Saved main processor registers; 56..63 are special. */
18 tilegx_reg_t regs
[56];
20 tilegx_reg_t __regs
[53];
21 tilegx_reg_t tp
; /* aliases regs[TREG_TP] */
22 tilegx_reg_t sp
; /* aliases regs[TREG_SP] */
23 tilegx_reg_t lr
; /* aliases regs[TREG_LR] */
27 /* Saved special registers. */
28 tilegx_reg_t pc
; /* stored in EX_CONTEXT_K_0 */
29 tilegx_reg_t ex1
; /* stored in EX_CONTEXT_K_1 (PL and ICS bit) */
30 tilegx_reg_t faultnum
; /* fault number (INT_SWINT_1 for syscall) */
31 tilegx_reg_t orig_r0
; /* r0 at syscall entry, else zero */
32 tilegx_reg_t flags
; /* flags (see below) */
33 tilegx_reg_t cmpexch
; /* value of CMPEXCH_VALUE SPR at interrupt */
37 #define TARGET_MLOCKALL_MCL_CURRENT 1
38 #define TARGET_MLOCKALL_MCL_FUTURE 2