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Add configINCLUDE_APPLICATION_DEFINED_PRIVILEGED_FUNCTIONS mechanism to allow the user to define functions that will execute in privileged mode.

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Update the Rowley MPU demo to use a version of debug_printf that runs in privileged mode to get around the problem of the RAM it uses not being under the control of the kernel.
This commit is contained in:
Richard Barry 2013-06-07 09:37:18 +00:00
parent f904d26957
commit 0f3ae55e5d
5 changed files with 42 additions and 62 deletions
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17
FreeRTOS/Demo/CORTEX_MPU_LM3Sxxxx_Rowley/FreeRTOSConfig.h
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@ -56,19 +56,19 @@
***************************************************************************
http://www.FreeRTOS.org - Documentation, books, training, latest versions,
http://www.FreeRTOS.org - Documentation, books, training, latest versions,
license and Real Time Engineers Ltd. contact details.
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
including FreeRTOS+Trace - an indispensable productivity tool, and our new
fully thread aware and reentrant UDP/IP stack.
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
Integrity Systems, who sell the code with commercial support,
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
Integrity Systems, who sell the code with commercial support,
indemnification and middleware, under the OpenRTOS brand.
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
mission critical applications that require provable dependability.
*/
@ -134,4 +134,9 @@ to exclude the API function. */
See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
#define configMAX_SYSCALL_INTERRUPT_PRIORITY ( ( unsigned char ) 5 << configUNUSED_PRIO_BITS ) /* Priority 5, or 160 as only the top three bits are implemented. */
/* The debug_printf() function uses RAM that is outside of the control of the
application writer. Therefore the application_defined_privileged_functions.h
header file is used to provide a version that executes with privileges. */
#define configINCLUDE_APPLICATION_DEFINED_PRIVILEGED_FUNCTIONS 1
#endif /* FREERTOS_CONFIG_H */