diff options
Diffstat (limited to 'linux-user/tilegx/syscall.h')
| -rw-r--r-- | linux-user/tilegx/syscall.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/linux-user/tilegx/syscall.h b/linux-user/tilegx/syscall.h new file mode 100644 index 0000000000..653ece13d8 --- /dev/null +++ b/linux-user/tilegx/syscall.h @@ -0,0 +1,40 @@ +#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 |