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 #define GET_MEMTXATTRS(cas) \
  18         ((MemTxAttrs){.requester_id = env_cpu(cas)->cpu_index})
  19
  20 uint64_t helper_iocsrrd_b(CPULoongArchState *env, target_ulong r_addr)
  21 {
  22     return address_space_ldub(&env->address_space_iocsr, r_addr,
  23                               GET_MEMTXATTRS(env), NULL);
  24 }
  25
  26 uint64_t helper_iocsrrd_h(CPULoongArchState *env, target_ulong r_addr)
  27 {
  28     return address_space_lduw(&env->address_space_iocsr, r_addr,
  29                               GET_MEMTXATTRS(env), NULL);
  30 }
  31
  32 uint64_t helper_iocsrrd_w(CPULoongArchState *env, target_ulong r_addr)
  33 {
  34     return address_space_ldl(&env->address_space_iocsr, r_addr,
  35                              GET_MEMTXATTRS(env), NULL);
  36 }
  37
  38 uint64_t helper_iocsrrd_d(CPULoongArchState *env, target_ulong r_addr)
  39 {
  40     return address_space_ldq(&env->address_space_iocsr, r_addr,
  41                              GET_MEMTXATTRS(env), NULL);
  42 }
  43
  44 void helper_iocsrwr_b(CPULoongArchState *env, target_ulong w_addr,
  45                       target_ulong val)
  46 {
  47     address_space_stb(&env->address_space_iocsr, w_addr,
  48                       val, GET_MEMTXATTRS(env), NULL);
  49 }
  50
  51 void helper_iocsrwr_h(CPULoongArchState *env, target_ulong w_addr,
  52                       target_ulong val)
  53 {
  54     address_space_stw(&env->address_space_iocsr, w_addr,
  55                       val, GET_MEMTXATTRS(env), NULL);
  56 }
  57
  58 void helper_iocsrwr_w(CPULoongArchState *env, target_ulong w_addr,
  59                       target_ulong val)
  60 {
  61     address_space_stl(&env->address_space_iocsr, w_addr,
  62                       val, GET_MEMTXATTRS(env), NULL);
  63 }
  64
  65 void helper_iocsrwr_d(CPULoongArchState *env, target_ulong w_addr,
  66                       target_ulong val)
  67 {
  68     address_space_stq(&env->address_space_iocsr, w_addr,
  69                       val, GET_MEMTXATTRS(env), NULL);
  70 }