Changes between Version 8 and Version 9 of kernel_tty0

Timestamp:

Dec 8, 2014, 8:01:35 PM (10 years ago)

Author:

alain

Comment:

--

kernel_tty0

@@ -3 +3 @@
 [[PageOutline]]
 
-The [source:soft/giet_vm/giet_common/tty0.c tty0.c] and [source:soft/giet_vm/giet_common/tty0.h tty0.h] files define the functions used to access the kernel terminal TTY[0]. The '''_put~''' functions do not take the lock protecting exclusive access to TTY0, and are used by the boot code. The '''_printf''' function takes the SBT lock protecting exclusive access to TTY0, and is used by the kernel code.
+The [source:soft/giet_vm/giet_common/tty0.c tty0.c] and [source:soft/giet_vm/giet_common/tty0.h tty0.h] files define the functions used to access the kernel terminal TTY[0]. 
 
 They are prefixed by "_" to remind that they can only be executed by a processor in kernel mode.
@@ -28 +28 @@
  * %l : hexadecimal representation for an unsigned long long (64 bits) 
  * %d : decimal representation for a signed int (32 bits)
+
+ === void '''_nolock_printf( char* format, ... ) ===
+THis function display a formated string on TTY0, without taking any lock for' exclusive access.