1 #ifndef SPARC_TARGET_SYSCALL_H 2 #define SPARC_TARGET_SYSCALL_H 3 4 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) 5 struct target_pt_regs { 6 abi_ulong u_regs[16]; 7 abi_ulong tstate; 8 abi_ulong pc; 9 abi_ulong npc; 10 uint32_t y; 11 uint32_t magic; 12 }; 13 #else 14 struct target_pt_regs { 15 abi_ulong psr; 16 abi_ulong pc; 17 abi_ulong npc; 18 abi_ulong y; 19 abi_ulong u_regs[16]; 20 }; 21 #endif 22 23 #ifdef TARGET_SPARC64 24 # define UNAME_MACHINE "sparc64" 25 #else 26 # define UNAME_MACHINE "sparc" 27 #endif 28 #define UNAME_MINIMUM_RELEASE "2.6.32" 29 30 /* 31 * SPARC kernels don't define this in their Kconfig, but they have the 32 * same ABI as if they did, implemented by sparc-specific code which fishes 33 * directly in the u_regs() struct for half the parameters in sparc_do_fork() 34 * and copy_thread(). 35 */ 36 #define TARGET_CLONE_BACKWARDS 37 #define TARGET_MCL_CURRENT 0x2000 38 #define TARGET_MCL_FUTURE 0x4000 39 #define TARGET_MCL_ONFAULT 0x8000 40 41 /* 42 * For SPARC SHMLBA is determined at runtime in the kernel, and 43 * libc has to runtime-detect it using the hwcaps. 44 * See glibc sysdeps/unix/sysv/linux/sparc/getshmlba. 45 */ 46 #define TARGET_FORCE_SHMLBA 47 48 static inline abi_ulong target_shmlba(CPUSPARCState *env) 49 { 50 #ifdef TARGET_SPARC64 51 return MAX(TARGET_PAGE_SIZE, 16 * 1024); 52 #else 53 return 256 * 1024; 54 #endif 55 } 56 57 #endif /* SPARC_TARGET_SYSCALL_H */ 58