linux-user/loongarch64/target_syscall.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (c) 2021 Loongson Technology Corporation Limited
   4  */
   5
   6 #ifndef LOONGARCH_TARGET_SYSCALL_H
   7 #define LOONGARCH_TARGET_SYSCALL_H
   8
   9 #include "qemu/units.h"
  10
  11 /*
  12  * this struct defines the way the registers are stored on the
  13  * stack during a system call.
  14  */
  15
  16 struct target_pt_regs {
  17     /* Saved main processor registers. */
  18     target_ulong regs[32];
  19
  20     /* Saved special registers. */
  21     struct {
  22         target_ulong era;
  23         target_ulong badv;
  24         target_ulong crmd;
  25         target_ulong prmd;
  26         target_ulong euen;
  27         target_ulong ecfg;
  28         target_ulong estat;
  29     } csr;
  30     target_ulong orig_a0;
  31     target_ulong __last[0];
  32 };
  33
  34 #define UNAME_MACHINE "loongarch64"
  35 #define UNAME_MINIMUM_RELEASE "5.19.0"
  36
  37 #define TARGET_MCL_CURRENT 1
  38 #define TARGET_MCL_FUTURE  2
  39 #define TARGET_MCL_ONFAULT 4
  40
  41 #define TARGET_FORCE_SHMLBA
  42
  43 static inline abi_ulong target_shmlba(CPULoongArchState *env)
  44 {
  45     return 64 * KiB;
  46 }
  47
  48 #endif