| | 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_MLOCKALL_MCL_CURRENT 0x2000 |
| | 25 | #define TARGET_MLOCKALL_MCL_FUTURE 0x4000 |
| | 26 | |
| | 27 | /* For SPARC SHMLBA is determined at runtime in the kernel, and |
| | 28 | * libc has to runtime-detect it using the hwcaps (see glibc |
| | 29 | * sysdeps/unix/sysv/linux/sparc/getshmlba; we follow the same |
| | 30 | * logic here, though we know we're not the sparc v9 64-bit case). |
| | 31 | */ |
| | 32 | #define TARGET_FORCE_SHMLBA |
| | 33 | |
| | 34 | static inline abi_ulong target_shmlba(CPUSPARCState *env) |
| | 35 | { |
| | 36 | if (!(env->def.features & CPU_FEATURE_FLUSH)) { |
| | 37 | return 64 * 1024; |
| | 38 | } else { |
| | 39 | return 256 * 1024; |
| | 40 | } |
| | 41 | } |
| | 42 | |
| | 43 | #endif /* SPARC_TARGET_SYSCALL_H */ |
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