summaryrefslogtreecommitdiffstats
path: root/cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h
diff options
context:
space:
mode:
Diffstat (limited to 'cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h')
-rw-r--r--cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h93
1 files changed, 7 insertions, 86 deletions
diff --git a/cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h b/cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h
index c843e2661a..2cbad57843 100644
--- a/cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h
+++ b/cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h
@@ -46,35 +46,6 @@ extern "C" {
/* conditional compilation parameters */
/**
- * Does RTEMS manage a dedicated interrupt stack in software?
- *
- * If TRUE, then a stack is allocated in @ref _ISR_Handler_initialization.
- * If FALSE, nothing is done.
- *
- * If the CPU supports a dedicated interrupt stack in hardware,
- * then it is generally the responsibility of the BSP to allocate it
- * and set it up.
- *
- * If the CPU does not support a dedicated interrupt stack, then
- * the porter has two options: (1) execute interrupts on the
- * stack of the interrupted task, and (2) have RTEMS manage a dedicated
- * interrupt stack.
- *
- * If this is TRUE, @ref CPU_ALLOCATE_INTERRUPT_STACK should also be TRUE.
- *
- * Only one of @ref CPU_HAS_SOFTWARE_INTERRUPT_STACK and
- * @ref CPU_HAS_HARDWARE_INTERRUPT_STACK should be set to TRUE. It is
- * possible that both are FALSE for a particular CPU. Although it
- * is unclear what that would imply about the interrupt processing
- * procedure on that CPU.
- *
- * Port Specific Information:
- *
- * XXX document implementation including references if appropriate
- */
-#define CPU_HAS_SOFTWARE_INTERRUPT_STACK FALSE
-
-/**
* Does the CPU follow the simple vectored interrupt model?
*
* If TRUE, then RTEMS allocates the vector table it internally manages.
@@ -88,40 +59,6 @@ extern "C" {
#define CPU_SIMPLE_VECTORED_INTERRUPTS TRUE
/**
- * Does this CPU have hardware support for a dedicated interrupt stack?
- *
- * If TRUE, then it must be installed during initialization.
- * If FALSE, then no installation is performed.
- *
- * If this is TRUE, @ref CPU_ALLOCATE_INTERRUPT_STACK should also be TRUE.
- *
- * Only one of @ref CPU_HAS_SOFTWARE_INTERRUPT_STACK and
- * @ref CPU_HAS_HARDWARE_INTERRUPT_STACK should be set to TRUE. It is
- * possible that both are FALSE for a particular CPU. Although it
- * is unclear what that would imply about the interrupt processing
- * procedure on that CPU.
- *
- * Port Specific Information:
- *
- * XXX document implementation including references if appropriate
- */
-#define CPU_HAS_HARDWARE_INTERRUPT_STACK TRUE
-
-/**
- * Does RTEMS allocate a dedicated interrupt stack in the Interrupt Manager?
- *
- * If TRUE, then the memory is allocated during initialization.
- * If FALSE, then the memory is allocated during initialization.
- *
- * This should be TRUE is CPU_HAS_SOFTWARE_INTERRUPT_STACK is TRUE.
- *
- * Port Specific Information:
- *
- * XXX document implementation including references if appropriate
- */
-#define CPU_ALLOCATE_INTERRUPT_STACK TRUE
-
-/**
* Does the RTEMS invoke the user's ISR with the vector number and
* a pointer to the saved interrupt frame (1) or just the vector
* number (0)?
@@ -521,16 +458,13 @@ extern Context_Control_fp _CPU_Null_fp_context;
/**
* @defgroup CPUInterrupt Processor Dependent Interrupt Management
*
- * On some CPUs, RTEMS supports a software managed interrupt stack.
- * This stack is allocated by the Interrupt Manager and the switch
- * is performed in @ref _ISR_Handler. These variables contain pointers
- * to the lowest and highest addresses in the chunk of memory allocated
- * for the interrupt stack. Since it is unknown whether the stack
- * grows up or down (in general), this give the CPU dependent
- * code the option of picking the version it wants to use.
- *
- * NOTE: These two variables are required if the macro
- * @ref CPU_HAS_SOFTWARE_INTERRUPT_STACK is defined as TRUE.
+ * RTEMS supports a software managed interrupt stack. The interrupt stacks
+ * are statically allocated by <rtems/confdefs.h> and the switch is performed
+ * by hardware or the interrupt processing code. These variables contain
+ * pointers to the lowest and highest addresses in the chunk of memory
+ * allocated for the interrupt stack. Since it is unknown whether the stack
+ * grows up or down (in general), this give the CPU dependent code the option
+ * of picking the version it wants to use.
*
* Port Specific Information:
*
@@ -1126,19 +1060,6 @@ void _CPU_ISR_install_vector(
);
/**
- * @ingroup CPUInterrupt
- * This routine installs the hardware interrupt stack pointer.
- *
- * NOTE: It need only be provided if @ref CPU_HAS_HARDWARE_INTERRUPT_STACK
- * is TRUE.
- *
- * Port Specific Information:
- *
- * XXX document implementation including references if appropriate
- */
-void _CPU_Install_interrupt_stack( void );
-
-/**
* This routine is the CPU dependent IDLE thread body.
*
* NOTE: It need only be provided if @ref CPU_PROVIDES_IDLE_THREAD_BODY