| Line 14... |
Line 14... |
|
|
The test do the following:
|
The test do the following:
|
Setup tick interrupts to occur regularly, and then do a bunch of l.sys
|
Setup tick interrupts to occur regularly, and then do a bunch of l.sys
|
systems calls, checking that they all occur OK
|
systems calls, checking that they all occur OK
|
|
|
|
Note: if this test appears to continue without counting, it's most
|
|
likely due to a tick counter value that's too small (processor is
|
|
executing too slowly, due to lack of cache or similar) and always
|
|
interrupting before execution can continue. Try increasing the
|
|
TICK_COUNTER_VALUE #define to give the processor time to continue.
|
|
|
Julius Baxter, julius@opencores.org
|
Julius Baxter, julius@opencores.org
|
*/
|
*/
|
//////////////////////////////////////////////////////////////////////
|
//////////////////////////////////////////////////////////////////////
|
//// ////
|
//// ////
|
//// Copyright (C) 2010 Authors and OPENCORES.ORG ////
|
//// Copyright (C) 2010 Authors and OPENCORES.ORG ////
|
| Line 43... |
Line 49... |
//// Public License along with this source; if not, download it ////
|
//// Public License along with this source; if not, download it ////
|
//// from http://www.opencores.org/lgpl.shtml ////
|
//// from http://www.opencores.org/lgpl.shtml ////
|
//// ////
|
//// ////
|
//////////////////////////////////////////////////////////////////////
|
//////////////////////////////////////////////////////////////////////
|
|
|
#define TICK_COUNTER_VALUE 8
|
|
|
#define TICK_COUNTER_VALUE 16
|
|
|
|
|
|
|
/* =================================================== [ exceptions ] === */
|
/* =================================================== [ exceptions ] === */
|
.section .vectors, "ax"
|
.section .vectors, "ax"
|
