Ejemplos de memory_region_init_ram_from_file en C++ (Cpp)

Ejemplo n.º 1

Archivo: numa.c Proyecto: pbhide/qemu-rocker

static void allocate_system_memory_nonnuma(MemoryRegion *mr, Object *owner,
                                           const char *name,
                                           uint64_t ram_size)
{
    if (mem_path) {
#ifdef __linux__
        Error *err = NULL;
        memory_region_init_ram_from_file(mr, owner, name, ram_size, false,
                                         mem_path, &err);

        /* Legacy behavior: if allocation failed, fall back to
         * regular RAM allocation.
         */
        if (err) {
            error_report_err(err);
            memory_region_init_ram(mr, owner, name, ram_size, &error_abort);
        }
#else
        fprintf(stderr, "-mem-path not supported on this host\n");
        exit(1);
#endif
    } else {
        memory_region_init_ram(mr, owner, name, ram_size, &error_abort);
    }
    vmstate_register_ram_global(mr);
}

Ejemplo n.º 2

Archivo: hostmem-file.c Proyecto: E8-Storage/qemu

static void
file_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
{
    HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(backend);

    if (!backend->size) {
        error_setg(errp, "can't create backend with size 0");
        return;
    }
    if (!fb->mem_path) {
        error_setg(errp, "mem-path property not set");
        return;
    }
#ifndef CONFIG_LINUX
    error_setg(errp, "-mem-path not supported on this host");
#else
    if (!host_memory_backend_mr_inited(backend)) {
        gchar *path;
        backend->force_prealloc = mem_prealloc;
        path = object_get_canonical_path(OBJECT(backend));
        memory_region_init_ram_from_file(&backend->mr, OBJECT(backend),
                                 path,
                                 backend->size, fb->share,
                                 fb->mem_path, errp);
        g_free(path);
    }
#endif
}