1 #ifndef SPARC_TARGET_SYSCALL_H 2 #define SPARC_TARGET_SYSCALL_H 3 4 struct target_pt_regs { 5 abi_ulong psr; 6 abi_ulong pc; 7 abi_ulong npc; 8 abi_ulong y; 9 abi_ulong u_regs[16]; 10 }; 11 12 #define UNAME_MACHINE "sun4" 13 #define UNAME_MINIMUM_RELEASE "2.6.32" 14 15 /* SPARC kernels don't define this in their Kconfig, but they have the 16 * same ABI as if they did, implemented by sparc-specific code which fishes 17 * directly in the u_regs() struct for half the parameters in sparc_do_fork() 18 * and copy_thread(). 19 */ 20 #define TARGET_CLONE_BACKWARDS 21 #define TARGET_MINSIGSTKSZ 4096 22 #define TARGET_MLOCKALL_MCL_CURRENT 0x2000 23 #define TARGET_MLOCKALL_MCL_FUTURE 0x4000 24 25 /* For SPARC SHMLBA is determined at runtime in the kernel, and 26 * libc has to runtime-detect it using the hwcaps (see glibc 27 * sysdeps/unix/sysv/linux/sparc/getshmlba; we follow the same 28 * logic here, though we know we're not the sparc v9 64-bit case). 29 */ 30 #define TARGET_FORCE_SHMLBA 31 32 static inline abi_ulong target_shmlba(CPUSPARCState *env) 33 { 34 if (!(env->def->features & CPU_FEATURE_FLUSH)) { 35 return 64 * 1024; 36 } else { 37 return 256 * 1024; 38 } 39 } 40 41 #endif /* SPARC_TARGET_SYSCALL_H */ 42