1 #ifndef SPARC_TARGET_SYSCALL_H 2 #define SPARC_TARGET_SYSCALL_H 3 4 #include "target_errno.h" 5 6 struct target_pt_regs { 7 abi_ulong psr; 8 abi_ulong pc; 9 abi_ulong npc; 10 abi_ulong y; 11 abi_ulong u_regs[16]; 12 }; 13 14 #define UNAME_MACHINE "sparc" 15 #define UNAME_MINIMUM_RELEASE "2.6.32" 16 17 /* SPARC kernels don't define this in their Kconfig, but they have the 18 * same ABI as if they did, implemented by sparc-specific code which fishes 19 * directly in the u_regs() struct for half the parameters in sparc_do_fork() 20 * and copy_thread(). 21 */ 22 #define TARGET_CLONE_BACKWARDS 23 #define TARGET_MINSIGSTKSZ 4096 24 #define TARGET_MCL_CURRENT 0x2000 25 #define TARGET_MCL_FUTURE 0x4000 26 #define TARGET_MCL_ONFAULT 0x8000 27 28 /* For SPARC SHMLBA is determined at runtime in the kernel, and 29 * libc has to runtime-detect it using the hwcaps (see glibc 30 * sysdeps/unix/sysv/linux/sparc/getshmlba; we follow the same 31 * logic here, though we know we're not the sparc v9 64-bit case). 32 */ 33 #define TARGET_FORCE_SHMLBA 34 35 static inline abi_ulong target_shmlba(CPUSPARCState *env) 36 { 37 if (!(env->def.features & CPU_FEATURE_FLUSH)) { 38 return 64 * 1024; 39 } else { 40 return 256 * 1024; 41 } 42 } 43 44 #endif /* SPARC_TARGET_SYSCALL_H */ 45