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Diffstat (limited to 'schedsim/shell/shared/wrap_thread_dispatch.c')
-rw-r--r-- | schedsim/shell/shared/wrap_thread_dispatch.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/schedsim/shell/shared/wrap_thread_dispatch.c b/schedsim/shell/shared/wrap_thread_dispatch.c new file mode 100644 index 0000000..fae4f9f --- /dev/null +++ b/schedsim/shell/shared/wrap_thread_dispatch.c @@ -0,0 +1,75 @@ +/* + * Thread Dispatch Wrapper Implmentation + * + * COPYRIGHT (c) 1989-2013. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + */ + +#include "shell.h" +#include <schedsim_shell.h> + +#include <stdlib.h> +#include <stdio.h> +#include <rtems.h> + +typedef Thread_Control * Thread_Control_ptr; +uint32_t Schedsim_Current_cpu = 0; + +Thread_Control_ptr *last_heir = NULL; +Thread_Control_ptr *last_executing = NULL; + +extern void __real__Thread_Dispatch(void); + +#if RTEMS_SMP + #define MAX_CPUS _SMP_Processor_count +#else + #define MAX_CPUS 1 +#endif + +void Init__wrap__Thread_Dispatch() +{ + last_heir = (Thread_Control_ptr *) calloc( + sizeof( Thread_Control_ptr ), + MAX_CPUS + ); + last_executing = (Thread_Control_ptr *) calloc( + sizeof( Thread_Control_ptr ), + MAX_CPUS + ); +} + +void check_heir_and_executing(void) +{ + uint32_t level; + + _ISR_Disable_without_giant( level ); + if ( last_heir[Schedsim_Current_cpu] != _Thread_Heir ) + PRINT_HEIR(); + + if ( last_executing[Schedsim_Current_cpu] != _Thread_Executing ) + PRINT_EXECUTING(); + + last_heir[Schedsim_Current_cpu] = _Thread_Heir; + last_executing[Schedsim_Current_cpu] = _Thread_Executing; + _ISR_Enable_without_giant( level ); +} + +void __wrap__Thread_Dispatch(void) +{ + uint32_t cpu; + uint32_t current_cpu; + + current_cpu = Schedsim_Current_cpu; + for ( cpu=0 ; cpu < MAX_CPUS ; cpu++ ) { + Schedsim_Current_cpu = cpu; + check_heir_and_executing(); + __real__Thread_Dispatch(); + check_heir_and_executing(); + } + + Schedsim_Current_cpu = current_cpu; +} |