xref: /openbmc/qemu/target/mips/sysemu/addr.c (revision dc688246)
1 /*
2  * QEMU MIPS address translation support
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a copy
5  * of this software and associated documentation files (the "Software"), to deal
6  * in the Software without restriction, including without limitation the rights
7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8  * copies of the Software, and to permit persons to whom the Software is
9  * furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20  * THE SOFTWARE.
21  */
22 
23 #include "qemu/osdep.h"
24 #include "cpu.h"
25 
26 uint64_t cpu_mips_kseg0_to_phys(void *opaque, uint64_t addr)
27 {
28     return addr & 0x1fffffffll;
29 }
30 
31 uint64_t cpu_mips_phys_to_kseg0(void *opaque, uint64_t addr)
32 {
33     return addr | ~0x7fffffffll;
34 }
35 
36 uint64_t cpu_mips_kseg1_to_phys(void *opaque, uint64_t addr)
37 {
38     return addr & 0x1fffffffll;
39 }
40 
41 uint64_t cpu_mips_phys_to_kseg1(void *opaque, uint64_t addr)
42 {
43     return (addr & 0x1fffffffll) | 0xffffffffa0000000ll;
44 }
45