xref: /qemu/linux-user/arm/target_syscall.h (revision 226419d6)
1 #ifndef TARGET_SYSCALL_H
2 #define TARGET_SYSCALL_H
3 
4 /* this struct defines the way the registers are stored on the
5    stack during a system call. */
6 
7 struct target_pt_regs {
8     abi_long uregs[18];
9 };
10 
11 #define ARM_cpsr	uregs[16]
12 #define ARM_pc		uregs[15]
13 #define ARM_lr		uregs[14]
14 #define ARM_sp		uregs[13]
15 #define ARM_ip		uregs[12]
16 #define ARM_fp		uregs[11]
17 #define ARM_r10		uregs[10]
18 #define ARM_r9		uregs[9]
19 #define ARM_r8		uregs[8]
20 #define ARM_r7		uregs[7]
21 #define ARM_r6		uregs[6]
22 #define ARM_r5		uregs[5]
23 #define ARM_r4		uregs[4]
24 #define ARM_r3		uregs[3]
25 #define ARM_r2		uregs[2]
26 #define ARM_r1		uregs[1]
27 #define ARM_r0		uregs[0]
28 #define ARM_ORIG_r0	uregs[17]
29 
30 #define ARM_SYSCALL_BASE	0x900000
31 #define ARM_THUMB_SYSCALL	0
32 
33 #define ARM_NR_BASE	  0xf0000
34 #define ARM_NR_breakpoint (ARM_NR_BASE + 1)
35 #define ARM_NR_cacheflush (ARM_NR_BASE + 2)
36 #define ARM_NR_set_tls	  (ARM_NR_BASE + 5)
37 
38 #define ARM_NR_semihosting	  0x123456
39 #define ARM_NR_thumb_semihosting  0xAB
40 
41 #if defined(TARGET_WORDS_BIGENDIAN)
42 #define UNAME_MACHINE "armv5teb"
43 #else
44 #define UNAME_MACHINE "armv5tel"
45 #endif
46 #define UNAME_MINIMUM_RELEASE "2.6.32"
47 
48 #define TARGET_CLONE_BACKWARDS
49 
50 #define TARGET_MINSIGSTKSZ 2048
51 #define TARGET_MLOCKALL_MCL_CURRENT 1
52 #define TARGET_MLOCKALL_MCL_FUTURE  2
53 
54 #endif  /* TARGET_SYSCALL_H */
55