linux-user: Add support for btrfs ioctls used to manage quota
[qemu.git] / 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