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git.proxmox.com Git - mirror_qemu.git/blob - target/ppc/cpu.c
2 * PowerPC CPU routines for qemu.
4 * Copyright (c) 2017 Nikunj A Dadhania, IBM Corporation.
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/>.
20 #include "qemu/osdep.h"
22 #include "cpu-models.h"
24 target_ulong
cpu_read_xer(CPUPPCState
*env
)
26 return env
->xer
| (env
->so
<< XER_SO
) | (env
->ov
<< XER_OV
) |
30 void cpu_write_xer(CPUPPCState
*env
, target_ulong xer
)
32 env
->so
= (xer
>> XER_SO
) & 1;
33 env
->ov
= (xer
>> XER_OV
) & 1;
34 env
->ca
= (xer
>> XER_CA
) & 1;
35 env
->xer
= xer
& ~((1u << XER_SO
) | (1u << XER_OV
) | (1u << XER_CA
));