diff options
Diffstat (limited to 'cpukit/score/cpu/h8300')
| -rw-r--r-- | cpukit/score/cpu/h8300/ChangeLog | 6 | ||||
| -rw-r--r-- | cpukit/score/cpu/h8300/cpu.c | 20 | ||||
| -rw-r--r-- | cpukit/score/cpu/h8300/rtems/score/cpu.h | 20 |
3 files changed, 9 insertions, 37 deletions
diff --git a/cpukit/score/cpu/h8300/ChangeLog b/cpukit/score/cpu/h8300/ChangeLog index bfa411547b..825b8e323a 100644 --- a/cpukit/score/cpu/h8300/ChangeLog +++ b/cpukit/score/cpu/h8300/ChangeLog @@ -1,5 +1,11 @@ 2009-02-11 Joel Sherrill <joel.sherrill@oarcorp.com> + * cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and + passing address of _Thread_Dispatch to _CPU_Initialize. Clean up + comments. + +2009-02-11 Joel Sherrill <joel.sherrill@oarcorp.com> + * rtems/score/cpu.h: Do not unroll any code on this target and use a 16-bit object id. diff --git a/cpukit/score/cpu/h8300/cpu.c b/cpukit/score/cpu/h8300/cpu.c index 5f0dab32eb..2784bdcd46 100644 --- a/cpukit/score/cpu/h8300/cpu.c +++ b/cpukit/score/cpu/h8300/cpu.c @@ -19,29 +19,13 @@ * * This routine performs processor dependent initialization. * - * INPUT PARAMETERS: - * thread_dispatch - address of dispatching routine + * INPUT PARAMETERS: NONE */ -void _CPU_Initialize( - void (*thread_dispatch) /* ignored on this CPU */ -) +void _CPU_Initialize(void) { /* - * The thread_dispatch argument is the address of the entry point - * for the routine called at the end of an ISR once it has been - * decided a context switch is necessary. On some compilation - * systems it is difficult to call a high-level language routine - * from assembly. This allows us to trick these systems. - * - * If you encounter this problem save the entry point in a CPU - * dependent variable. - */ - - _CPU_Thread_dispatch_pointer = thread_dispatch; - - /* * If there is not an easy way to initialize the FP context * during Context_Initialize, then it is usually easier to * save an "uninitialized" FP context here and copy it to diff --git a/cpukit/score/cpu/h8300/rtems/score/cpu.h b/cpukit/score/cpu/h8300/rtems/score/cpu.h index 44d54b7c80..df98aee925 100644 --- a/cpukit/score/cpu/h8300/rtems/score/cpu.h +++ b/cpukit/score/cpu/h8300/rtems/score/cpu.h @@ -452,22 +452,6 @@ SCORE_EXTERN void *_CPU_Interrupt_stack_low; SCORE_EXTERN void *_CPU_Interrupt_stack_high; /* - * With some compilation systems, it is difficult if not impossible to - * call a high-level language routine from assembly language. This - * is especially true of commercial Ada compilers and name mangling - * C++ ones. This variable can be optionally defined by the CPU porter - * and contains the address of the routine _Thread_Dispatch. This - * can make it easier to invoke that routine at the end of the interrupt - * sequence (if a dispatch is necessary). - * - * H8300 Specific Information: - * - * XXX - */ - -SCORE_EXTERN void (*_CPU_Thread_dispatch_pointer)(void); - -/* * Nothing prevents the porter from declaring more CPU specific variables. * * H8300 Specific Information: @@ -997,9 +981,7 @@ uint32_t _CPU_ISR_Get_level( void ); * XXX */ -void _CPU_Initialize( - void (*thread_dispatch) -); +void _CPU_Initialize(void); /* * _CPU_ISR_install_raw_handler |