2 * PowerPC emulation helpers for QEMU.
4 * Copyright (c) 2003-2007 Jocelyn Mayer
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
19 #include "qemu/osdep.h"
21 #include "exec/helper-proto.h"
22 #include "exec/exec-all.h"
25 /*****************************************************************************/
28 target_ulong
helper_load_tbl(CPUPPCState
*env
)
30 return (target_ulong
)cpu_ppc_load_tbl(env
);
33 target_ulong
helper_load_tbu(CPUPPCState
*env
)
35 return cpu_ppc_load_tbu(env
);
38 target_ulong
helper_load_atbl(CPUPPCState
*env
)
40 return (target_ulong
)cpu_ppc_load_atbl(env
);
43 target_ulong
helper_load_atbu(CPUPPCState
*env
)
45 return cpu_ppc_load_atbu(env
);
48 target_ulong
helper_load_vtb(CPUPPCState
*env
)
50 return cpu_ppc_load_vtb(env
);
53 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
54 target_ulong
helper_load_purr(CPUPPCState
*env
)
56 return (target_ulong
)cpu_ppc_load_purr(env
);
59 void helper_store_purr(CPUPPCState
*env
, target_ulong val
)
61 cpu_ppc_store_purr(env
, val
);
65 target_ulong
helper_load_601_rtcl(CPUPPCState
*env
)
67 return cpu_ppc601_load_rtcl(env
);
70 target_ulong
helper_load_601_rtcu(CPUPPCState
*env
)
72 return cpu_ppc601_load_rtcu(env
);
75 #if !defined(CONFIG_USER_ONLY)
76 void helper_store_tbl(CPUPPCState
*env
, target_ulong val
)
78 cpu_ppc_store_tbl(env
, val
);
81 void helper_store_tbu(CPUPPCState
*env
, target_ulong val
)
83 cpu_ppc_store_tbu(env
, val
);
86 void helper_store_atbl(CPUPPCState
*env
, target_ulong val
)
88 cpu_ppc_store_atbl(env
, val
);
91 void helper_store_atbu(CPUPPCState
*env
, target_ulong val
)
93 cpu_ppc_store_atbu(env
, val
);
96 void helper_store_601_rtcl(CPUPPCState
*env
, target_ulong val
)
98 cpu_ppc601_store_rtcl(env
, val
);
101 void helper_store_601_rtcu(CPUPPCState
*env
, target_ulong val
)
103 cpu_ppc601_store_rtcu(env
, val
);
106 target_ulong
helper_load_decr(CPUPPCState
*env
)
108 return cpu_ppc_load_decr(env
);
111 void helper_store_decr(CPUPPCState
*env
, target_ulong val
)
113 cpu_ppc_store_decr(env
, val
);
116 target_ulong
helper_load_hdecr(CPUPPCState
*env
)
118 return cpu_ppc_load_hdecr(env
);
121 void helper_store_hdecr(CPUPPCState
*env
, target_ulong val
)
123 cpu_ppc_store_hdecr(env
, val
);
126 void helper_store_vtb(CPUPPCState
*env
, target_ulong val
)
128 cpu_ppc_store_vtb(env
, val
);
131 void helper_store_tbu40(CPUPPCState
*env
, target_ulong val
)
133 cpu_ppc_store_tbu40(env
, val
);
136 target_ulong
helper_load_40x_pit(CPUPPCState
*env
)
138 return load_40x_pit(env
);
141 void helper_store_40x_pit(CPUPPCState
*env
, target_ulong val
)
143 store_40x_pit(env
, val
);
146 void helper_store_booke_tcr(CPUPPCState
*env
, target_ulong val
)
148 store_booke_tcr(env
, val
);
151 void helper_store_booke_tsr(CPUPPCState
*env
, target_ulong val
)
153 store_booke_tsr(env
, val
);
157 /*****************************************************************************/
158 /* Embedded PowerPC specific helpers */
160 /* XXX: to be improved to check access rights when in user-mode */
161 target_ulong
helper_load_dcr(CPUPPCState
*env
, target_ulong dcrn
)
165 if (unlikely(env
->dcr_env
== NULL
)) {
166 qemu_log_mask(LOG_GUEST_ERROR
, "No DCR environment\n");
167 raise_exception_err_ra(env
, POWERPC_EXCP_PROGRAM
,
169 POWERPC_EXCP_INVAL_INVAL
, GETPC());
170 } else if (unlikely(ppc_dcr_read(env
->dcr_env
,
171 (uint32_t)dcrn
, &val
) != 0)) {
172 qemu_log_mask(LOG_GUEST_ERROR
, "DCR read error %d %03x\n",
173 (uint32_t)dcrn
, (uint32_t)dcrn
);
174 raise_exception_err_ra(env
, POWERPC_EXCP_PROGRAM
,
176 POWERPC_EXCP_PRIV_REG
, GETPC());
181 void helper_store_dcr(CPUPPCState
*env
, target_ulong dcrn
, target_ulong val
)
183 if (unlikely(env
->dcr_env
== NULL
)) {
184 qemu_log_mask(LOG_GUEST_ERROR
, "No DCR environment\n");
185 raise_exception_err_ra(env
, POWERPC_EXCP_PROGRAM
,
187 POWERPC_EXCP_INVAL_INVAL
, GETPC());
188 } else if (unlikely(ppc_dcr_write(env
->dcr_env
, (uint32_t)dcrn
,
189 (uint32_t)val
) != 0)) {
190 qemu_log_mask(LOG_GUEST_ERROR
, "DCR write error %d %03x\n",
191 (uint32_t)dcrn
, (uint32_t)dcrn
);
192 raise_exception_err_ra(env
, POWERPC_EXCP_PROGRAM
,
194 POWERPC_EXCP_PRIV_REG
, GETPC());