target/loongarch/iocsr_helper.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (c) 2021 Loongson Technology Corporation Limited
   4  *
   5  * Helpers for IOCSR reads/writes
   6  */
   7
   8 #include "qemu/osdep.h"
   9 #include "qemu/main-loop.h"
  10 #include "cpu.h"
  11 #include "qemu/host-utils.h"
  12 #include "exec/helper-proto.h"
  13 #include "exec/exec-all.h"
  14 #include "exec/cpu_ldst.h"
  15 #include "tcg/tcg-ldst.h"
  16
  17 uint64_t helper_iocsrrd_b(CPULoongArchState *env, target_ulong r_addr)
  18 {
  19     return address_space_ldub(&env->address_space_iocsr, r_addr,
  20                               MEMTXATTRS_UNSPECIFIED, NULL);
  21 }
  22
  23 uint64_t helper_iocsrrd_h(CPULoongArchState *env, target_ulong r_addr)
  24 {
  25     return address_space_lduw(&env->address_space_iocsr, r_addr,
  26                               MEMTXATTRS_UNSPECIFIED, NULL);
  27 }
  28
  29 uint64_t helper_iocsrrd_w(CPULoongArchState *env, target_ulong r_addr)
  30 {
  31     return address_space_ldl(&env->address_space_iocsr, r_addr,
  32                              MEMTXATTRS_UNSPECIFIED, NULL);
  33 }
  34
  35 uint64_t helper_iocsrrd_d(CPULoongArchState *env, target_ulong r_addr)
  36 {
  37     return address_space_ldq(&env->address_space_iocsr, r_addr,
  38                              MEMTXATTRS_UNSPECIFIED, NULL);
  39 }
  40
  41 void helper_iocsrwr_b(CPULoongArchState *env, target_ulong w_addr,
  42                       target_ulong val)
  43 {
  44     address_space_stb(&env->address_space_iocsr, w_addr,
  45                       val, MEMTXATTRS_UNSPECIFIED, NULL);
  46 }
  47
  48 void helper_iocsrwr_h(CPULoongArchState *env, target_ulong w_addr,
  49                       target_ulong val)
  50 {
  51     address_space_stw(&env->address_space_iocsr, w_addr,
  52                       val, MEMTXATTRS_UNSPECIFIED, NULL);
  53 }
  54
  55 void helper_iocsrwr_w(CPULoongArchState *env, target_ulong w_addr,
  56                       target_ulong val)
  57 {
  58     address_space_stl(&env->address_space_iocsr, w_addr,
  59                       val, MEMTXATTRS_UNSPECIFIED, NULL);
  60 }
  61
  62 void helper_iocsrwr_d(CPULoongArchState *env, target_ulong w_addr,
  63                       target_ulong val)
  64 {
  65     address_space_stq(&env->address_space_iocsr, w_addr,
  66                       val, MEMTXATTRS_UNSPECIFIED, NULL);
  67 }