| #ifndef TILEGX_SYSCALLS_H |
| #define TILEGX_SYSCALLS_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_MLOCKALL_MCL_CURRENT 1 |
| #define TARGET_MLOCKALL_MCL_FUTURE 2 |
| |
| #endif |