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#ifndef TILEGX_TARGET_SYSCALL_H
#define TILEGX_TARGET_SYSCALL_H
#define UNAME_MACHINE "tilegx"
#define UNAME_MINIMUM_RELEASE "3.19"
#define MMAP_SHIFT TARGET_PAGE_BITS
#define TILEGX_IS_ERRNO(ret) \
((ret) > 0xfffffffffffff000ULL) /* errno is 0 -- 4096 */
typedef uint64_t tilegx_reg_t;
struct target_pt_regs {
union {
/* Saved main processor registers; 56..63 are special. */
tilegx_reg_t regs[56];
struct {
tilegx_reg_t __regs[53];
tilegx_reg_t tp; /* aliases regs[TREG_TP] */
tilegx_reg_t sp; /* aliases regs[TREG_SP] */
tilegx_reg_t lr; /* aliases regs[TREG_LR] */
};
};
/* Saved special registers. */
tilegx_reg_t pc; /* stored in EX_CONTEXT_K_0 */
tilegx_reg_t ex1; /* stored in EX_CONTEXT_K_1 (PL and ICS bit) */
tilegx_reg_t faultnum; /* fault number (INT_SWINT_1 for syscall) */
tilegx_reg_t orig_r0; /* r0 at syscall entry, else zero */
tilegx_reg_t flags; /* flags (see below) */
tilegx_reg_t cmpexch; /* value of CMPEXCH_VALUE SPR at interrupt */
tilegx_reg_t pad[2];
};
#define TARGET_MCL_CURRENT 1
#define TARGET_MCL_FUTURE 2
#define TARGET_MCL_ONFAULT 4
/* For faultnum */
#define TARGET_INT_SWINT_1 14
#endif
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