LXR qemu/linux-user/sparc/target

   1#ifndef SPARC_TARGET_SYSCALL_H
   2#define SPARC_TARGET_SYSCALL_H
   3
   4struct 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
  32static 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