Lines Matching +full:memory +full:- +full:mapped

8  *     http://www.apache.org/licenses/LICENSE-2.0
29 #include <memory>
50     mappedFd = sys->open(devmem, O_RDWR | O_SYNC);  in open()
51     if (mappedFd == -1)  in open()
56     mapped = reinterpret_cast<uint8_t*>(sys->mmap(  in open()
58     if (mapped == MAP_FAILED)  in open()
60         sys->close(mappedFd);  in open()
61         mappedFd = -1;  in open()
62         mapped = nullptr;  in open()
69     output.mapped = mapped;  in open()
76     if (mapped)  in close()
78         sys->munmap(mapped, memoryRegionSize);  in close()
79         mapped = nullptr;  in close()
82     if (mappedFd != -1)  in close()
84         sys->close(mappedFd);  in close()
85         mappedFd = -1;  in close()
91  * SuperIO. On BMC side the max memory can be mapped is 4kB with the caveat that
93  * shared memory.
96  * (4096 - 4). Otherwise, mapper returns either
97  *   - WindowOffset = 4 and WindowSize = len - 4 if (addr & 0x7) == 0
98  *   - WindowSize = 0 means that the region cannot be mapped otherwise
105     /* We reserve the first 4 bytes from the mapped region; the first byte  in mapWindow()
109     const uint32_t bmcMapMaxSizeBytes = 4 * 1024 - bmcMapReserveBytes;  in mapWindow()
158     if ((fd = sys->open("/dev/mem", O_RDWR | O_SYNC)) == -1)  in mapWindow()
161         sys->close(fd);  in mapWindow()
173     int pageSize = sys->getpagesize();  in mapWindow()
176         sys->mmap(nullptr, pageSize, PROT_READ | PROT_WRITE, MAP_SHARED, fd,  in mapWindow()
186     sys->munmap(mapBasePtr, pageSize);  in mapWindow()
187     sys->close(fd);  in mapWindow()