Changes in uspace/srv/ns/ns.c [6119f24:228e490] in mainline

File:

• uspace/srv/ns/ns.c (modified) (3 diffs)

uspace/srv/ns/ns.c

@@ -37 +37 @@
 
 #include <ipc/ipc.h>
+#include <ipc/services.h>
 #include <ipc/ns.h>
+#include <unistd.h>
 #include <stdio.h>
 #include <errno.h>
+#include <as.h>
+#include <ddi.h>
+#include <event.h>
 #include <macros.h>
+#include <sysinfo.h>
 #include "ns.h"
 #include "service.h"
@@ -46 +52 @@
 #include "task.h"
 
+static void *clockaddr = NULL;
+static void *klogaddr = NULL;
+
+static void get_as_area(ipc_callid_t callid, ipc_call_t *call, void *faddr,
+    size_t pages, void **addr)
+{
+        if ((faddr == NULL) || (pages == 0)) {
+                ipc_answer_0(callid, ENOENT);
+                return;
+        }
+        
+        if (*addr == NULL) {
+                *addr = as_get_mappable_page(pages * PAGE_SIZE);
+                
+                if (*addr == NULL) {
+                        ipc_answer_0(callid, ENOENT);
+                        return;
+                }
+                
+                if (physmem_map(faddr, *addr, pages,
+                    AS_AREA_READ | AS_AREA_CACHEABLE) != 0) {
+                        ipc_answer_0(callid, ENOENT);
+                        return;
+                }
+        }
+        
+        ipc_answer_2(callid, EOK, (sysarg_t) *addr, AS_AREA_READ);
+}
+
+static void setup_clock_area(ipc_callid_t callid, ipc_call_t *call, void **addr)
+{
+        uintptr_t faddr;
+        int err = sysinfo_get_value("clock.faddr", &faddr);
+        
+        if (err != EOK)
+                ipc_answer_0(callid, err);
+        
+        get_as_area(callid, call, (void *) faddr, 1, addr);
+}
+
+static void setup_klog_area(ipc_callid_t callid, ipc_call_t *call, void **addr)
+{
+        uintptr_t faddr;
+        int err = sysinfo_get_value("klog.faddr", &faddr);
+        
+        if (err != EOK)
+                ipc_answer_0(callid, err);
+        
+        size_t pages;
+        err = sysinfo_get_value("klog.pages", &pages);
+        
+        if (err != EOK)
+                ipc_answer_0(callid, err);
+        
+        get_as_area(callid, call, (void *) faddr, pages, addr);
+}
+
 int main(int argc, char **argv)
 {
@@ -75 +138 @@
                 
                 switch (IPC_GET_IMETHOD(call)) {
+                case IPC_M_SHARE_IN:
+                        switch (IPC_GET_ARG3(call)) {
+                        case SERVICE_MEM_REALTIME:
+                                setup_clock_area(callid, &call, &clockaddr);
+                                break;
+                        case SERVICE_MEM_KLOG:
+                                setup_klog_area(callid, &call, &klogaddr);
+                                break;
+                        default:
+                                ipc_answer_0(callid, ENOENT);
+                        }
+                        continue;
                 case IPC_M_PHONE_HUNGUP:
                         retval = ns_task_disconnect(&call);