19     devMemFd = sys->open(devMemPath.c_str(), O_RDONLY);  in read()
25     /* Map based on aligned addresses - behind the scenes. */  in read()
26     const std::size_t alignedDiff = offset % sys->getpagesize();  in read()
27     const std::size_t alignedOffset = offset - alignedDiff;  in read()
31     devMemMapped = sys->mmap(0, alignedSize, PROT_READ, MAP_SHARED, devMemFd,  in read()
37         sys->close(devMemFd);  in read()
48     sys->munmap(devMemMapped, length);  in read()
49     sys->close(devMemFd);  in read()
55                          const void* const source)  in write()  argument
57     devMemFd = sys->open(devMemPath.c_str(), O_RDWR);  in write()
60         std::fprintf(stderr, "Failed to open /dev/mem for writing\n");  in write()
64     /* Map based on aligned addresses - behind the scenes. */  in write()
65     const std::size_t alignedDiff = offset % sys->getpagesize();  in write()
66     const std::size_t alignedOffset = offset - alignedDiff;  in write()
70     devMemMapped = sys->mmap(0, alignedSize, PROT_WRITE, MAP_SHARED, devMemFd,  in write()
77         sys->close(devMemFd);  in write()
85     std::memcpy(alignedDestination, source, length);  in write()
88     sys->munmap(devMemMapped, length);  in write()
89     sys->close(devMemFd);  in write()
104         sys->close(ppcMemFd);  in close()
105         ppcMemFd = -1;  in close()
112     ppcMemFd = sys->open(ppcMemPath.c_str(), O_RDWR);  in read()
115         std::fprintf(stderr, "Failed to open PPC LPC access path: %s",  in read()
120     int ret = sys->pread(ppcMemFd, destination, length, offset);  in read()
134                          const void* const source)  in write()  argument
136     ppcMemFd = sys->open(ppcMemPath.c_str(), O_RDWR);  in write()
139         std::fprintf(stderr, "Failed to open PPC LPC access path: %s",  in write()
144     ssize_t ret = sys->pwrite(ppcMemFd, source, length, offset);  in write()