| 58,6 → 58,16 |
|---|
| return flag != -1; |
| } |
| |
| /** |
| * Starts all CPUs represented by following siblings of the given node, |
| * except for the current CPU. |
| * |
| * @param child the first child of the OFW tree node whose children represent |
| * CPUs to be woken up |
| * @param current_mid MID of the current CPU, the current CPU will |
| * (of course) not be woken up |
| * @return number of CPUs which have the same parent node as "child" |
| */ |
| static int wake_cpus_in_node(phandle child, uint64_t current_mid) |
| { |
| int cpus; |
| 87,7 → 97,6 |
|---|
| /* |
| * Start secondary processor. |
| */ |
| printf("Starting CPU: %d.\n", mid); |
| (void) ofw_call("SUNW,start-cpu", 3, 1, |
| NULL, child, KERNEL_VIRTUAL_ADDRESS, |
| bootinfo.physmem_start | |
| 100,12 → 109,15 |
|---|
| return cpus; |
| } |
| |
| /** |
| * Finds out the current CPU's MID and wakes up all AP processors. |
| */ |
| int ofw_cpu(void) |
| { |
| int cpus; |
| phandle node; |
| phandle subnode; |
| phandle ssm; |
| phandle cpus_parent; |
| phandle cmp; |
| char name[BUF_SIZE]; |
| |
| 127,25 → 139,24 |
|---|
| } |
| |
| /* wake up CPUs */ |
| ssm = ofw_find_device("/ssm@0,0"); |
| if (ssm == -1) { |
| node = ofw_get_child_node(ofw_root); |
| cpus = wake_cpus_in_node(node, current_mid); |
| } else { |
| node = ofw_get_child_node(ssm); |
| cpus = wake_cpus_in_node(node, current_mid); |
| while (node != 0 && node != -1) { |
| if (ofw_get_property(node, "name", name, |
| sizeof(name)) > 0) { |
| if (strcmp(name, "cmp") == 0) { |
| printf("nasel jsem dalsi CPU"); |
| subnode = ofw_get_child_node(node); |
| cpus += wake_cpus_in_node(subnode, |
| current_mid); |
| } |
| |
| cpus_parent = ofw_find_device("/ssm@0,0"); |
| if (cpus_parent == 0 || cpus_parent == -1) { |
| cpus_parent = ofw_find_device("/"); |
| } |
| |
| node = ofw_get_child_node(cpus_parent); |
| cpus = wake_cpus_in_node(node, current_mid); |
| while (node != 0 && node != -1) { |
| if (ofw_get_property(node, "name", name, |
| sizeof(name)) > 0) { |
| if (strcmp(name, "cmp") == 0) { |
| subnode = ofw_get_child_node(node); |
| cpus += wake_cpus_in_node(subnode, |
| current_mid); |
| } |
| node = ofw_get_peer_node(node); |
| } |
| } |
| node = ofw_get_peer_node(node); |
| } |
| |
| return cpus; |