Changeset 418 for trunk/kernel/syscalls/sys_write.c

Timestamp:

Jan 8, 2018, 2:25:39 PM (6 years ago)

Author:

alain

Message:

Fix a bug in hal_kentry.S : the "uzone" pointer in the thread descriptor
must not be modified in case of interrupt.

File:

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

trunk/kernel/syscalls/sys_write.c

@@ -46 +46 @@
     reg_t        save_sr;         // required to enable IRQs during syscall
 
-#if CONFIG_SYSCALL_DEBUG
+#if CONFIG_WRITE_DEBUG
 uint32_t     tm_start;
 uint32_t     tm_end;
@@ -139 +139 @@
     hal_fence();
 
-#if CONFIG_SYSCALL_DEBUG
+#if CONFIG_WRITE_DEBUG
 tm_end = hal_get_cycles();
 printk("\n[DBG] %s : core[%x,%d] / thread %x in process %x / cycle %d\n"
@@ -148 +148 @@
 #endif
  
+#if CONFIG_WRITE_DEBUG
+printk("\n@@@@@@@@@@@@ timing to write character %c\n"
+" - enter_sys_write    = %d\n"
+" - exit_sys_write     = %d\n",
+*((char *)(intptr_t)paddr) , (uint32_t)tm_start , (uint32_t)tm_end );
+#endif
+
         return nbytes;