Changeset 407 for trunk/kernel/syscalls/sys_get_cycle.c

Timestamp:

Nov 7, 2017, 3:08:12 PM (7 years ago)

Author:

alain

Message:

First implementation of fork/exec.

File:

• trunk/kernel/syscalls/sys_get_cycle.c (moved) (moved from trunk/kernel/syscalls/sys_clock.c) (4 diffs)

trunk/kernel/syscalls/sys_get_cycle.c

@@ -1 +1 @@
 /*
- * sys_clock: get calling core cycles count
+ * sys_get_cycle.c - get calling core cycles count.
  * 
  * Author    Alain Greiner (2016,2017)
@@ -32 +32 @@
 #include <printk.h>
 
-//////////////////////////////////
-int sys_clock (uint64_t * cycles )
+//////////////////////////////////////
+int sys_get_cycle ( uint64_t * cycle )
 {
         error_t   error;
     paddr_t   paddr;
-        uint64_t  k_cycles;
+        uint64_t  k_cycle;
 
     thread_t  * this    = CURRENT_THREAD;
@@ -43 +43 @@
 
     // check buffer in user space
-    error = vmm_v2p_translate( false , cycles , &paddr );
+    error = vmm_v2p_translate( false , cycle , &paddr );
 
         if( error )
@@ -54 +54 @@
 
     // call relevant core function
-        k_cycles = hal_get_cycles();
+        k_cycle = hal_get_cycles();
 
     // copy to user space
-        hal_copy_to_uspace( cycles , &k_cycles , sizeof(uint64_t) );
+        hal_copy_to_uspace( cycle , &k_cycle , sizeof(uint64_t) );
 
         return 0; 
 
-}  // end sys_clock()
+}  // end sys_get_cycle()