Changeset 409 for trunk/kernel/syscalls/sys_write.c

Timestamp:

Dec 20, 2017, 4:51:09 PM (6 years ago)

Author:

alain

Message:

Fix bugs in exec

File:

• trunk/kernel/syscalls/sys_write.c (modified) (3 diffs)

trunk/kernel/syscalls/sys_write.c

@@ -25 +25 @@
 #include <hal_types.h>
 #include <hal_uspace.h>
+#include <hal_irqmask.h>
 #include <hal_special.h>
 #include <errno.h>
@@ -44 +45 @@
     uint32_t     nbytes;          // number of bytes actually written
     reg_t        save_sr;         // required to enable IRQs during syscall
-        uint32_t     tm_start;
-        uint32_t     tm_end;
 
-        tm_start = hal_get_cycles();
+#if CONFIG_SYSCALL_DEBUG
+uint32_t     tm_start;
+uint32_t     tm_end;
+tm_start = hal_get_cycles();
+#endif
 
         thread_t   * this = CURRENT_THREAD;
@@ -136 +139 @@
     hal_fence();
 
-    tm_end = hal_get_cycles();
-
+#if CONFIG_SYSCALL_DEBUG
+tm_end = hal_get_cycles();
 syscall_dmsg("\n[DBG] %s : core[%x,%d] / thread %x in process %x / cycle %d\n"
 "nbytes = %d / first byte = %c / file_id = %d / cost = %d\n",
 __FUNCTION__ , local_cxy , this->core->lid , this->trdid , this->process->pid ,
 tm_start , nbytes , *((char *)(intptr_t)paddr) , file_id , tm_end - tm_start );
+#endif
  
         return nbytes;