]> Git Repo - qemu.git/blobdiff - target-ppc/kvm_ppc.c
qdev: allow classes to overload qdev functions
[qemu.git] / target-ppc / kvm_ppc.c
index 536fcabd412b20b1293aa71abd0bea49bc8686af..24fc6bce3b86c34b74649199c95b6bcc7e1e2007 100644 (file)
 static QEMUTimer *kvmppc_timer;
 static unsigned int kvmppc_timer_rate;
 
-#ifdef CONFIG_FDT
-int kvmppc_read_host_property(const char *node_path, const char *prop,
-                                     void *val, size_t len)
-{
-    char *path;
-    FILE *f;
-    int ret = 0;
-    int pathlen;
-
-    pathlen = snprintf(NULL, 0, "%s/%s/%s", PROC_DEVTREE_PATH, node_path, prop)
-              + 1;
-    path = qemu_malloc(pathlen);
-
-    snprintf(path, pathlen, "%s/%s/%s", PROC_DEVTREE_PATH, node_path, prop);
-
-    f = fopen(path, "rb");
-    if (f == NULL) {
-        ret = errno;
-        goto free;
-    }
-
-    len = fread(val, len, 1, f);
-    if (len != 1) {
-        ret = ferror(f);
-        goto close;
-    }
-
-close:
-    fclose(f);
-free:
-    free(path);
-    return ret;
-}
-
-static int kvmppc_copy_host_cell(void *fdt, const char *node, const char *prop)
-{
-    uint32_t cell;
-    int ret;
-
-    ret = kvmppc_read_host_property(node, prop, &cell, sizeof(cell));
-    if (ret < 0) {
-        fprintf(stderr, "couldn't read host %s/%s\n", node, prop);
-        goto out;
-    }
-
-    ret = qemu_devtree_setprop_cell(fdt, node, prop, cell);
-    if (ret < 0) {
-        fprintf(stderr, "couldn't set guest %s/%s\n", node, prop);
-        goto out;
-    }
-
-out:
-    return ret;
-}
-
-void kvmppc_fdt_update(void *fdt)
-{
-    /* Copy data from the host device tree into the guest. Since the guest can
-     * directly access the timebase without host involvement, we must expose
-     * the correct frequencies. */
-    kvmppc_copy_host_cell(fdt, "/cpus/cpu@0", "clock-frequency");
-    kvmppc_copy_host_cell(fdt, "/cpus/cpu@0", "timebase-frequency");
-}
-#endif
-
 static void kvmppc_timer_hack(void *opaque)
 {
-    qemu_service_io();
+    qemu_notify_event();
     qemu_mod_timer(kvmppc_timer, qemu_get_clock_ns(vm_clock) + kvmppc_timer_rate);
 }
 
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