linux-user/tilegx/target_syscall.h

   1 #ifndef TILEGX_TARGET_SYSCALL_H
   2 #define TILEGX_TARGET_SYSCALL_H
   3
   4 #define UNAME_MACHINE "tilegx"
   5 #define UNAME_MINIMUM_RELEASE "3.19"
   6
   7 #define MMAP_SHIFT TARGET_PAGE_BITS
   8
   9 #define TILEGX_IS_ERRNO(ret) \
  10                        ((ret) > 0xfffffffffffff000ULL) /* errno is 0 -- 4096 */
  11
  12 typedef uint64_t tilegx_reg_t;
  13
  14 struct target_pt_regs {
  15
  16     union {
  17         /* Saved main processor registers; 56..63 are special. */
  18         tilegx_reg_t regs[56];
  19         struct {
  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] */
  24         };
  25     };
  26
  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 */
  34     tilegx_reg_t pad[2];
  35 };
  36
  37 #define TARGET_MCL_CURRENT 1
  38 #define TARGET_MCL_FUTURE  2
  39 #define TARGET_MCL_ONFAULT 4
  40
  41 /* For faultnum */
  42 #define TARGET_INT_SWINT_1            14
  43
  44 #endif