RTEMS 5.2
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cpu.h File Reference

x86_64 Dependent Source More...

#include <rtems/score/basedefs.h>
#include <rtems/score/cpu_asm.h>
#include <rtems/score/x86_64.h>

Go to the source code of this file.

Data Structures

struct  Context_Control
 Thread register context. More...
 
struct  CPU_Interrupt_frame
 Interrupt stack frame (ISF). More...
 
struct  CPU_Exception_frame
 The set of registers that specifies the complete processor state. More...
 

Macros

#define CPU_SIMPLE_VECTORED_INTERRUPTS   FALSE
 
#define CPU_ISR_PASSES_FRAME_POINTER   FALSE
 
#define CPU_HARDWARE_FP   FALSE
 
#define CPU_SOFTWARE_FP   FALSE
 
#define CPU_ALL_TASKS_ARE_FP   FALSE
 
#define CPU_IDLE_TASK_IS_FP   FALSE
 
#define CPU_USE_DEFERRED_FP_SWITCH   FALSE
 
#define CPU_ENABLE_ROBUST_THREAD_DISPATCH   FALSE
 
#define CPU_STACK_GROWS_UP   FALSE
 
#define CPU_STRUCTURE_ALIGNMENT   RTEMS_ALIGNED(64)
 
#define CPU_CACHE_LINE_BYTES   64
 
#define CPU_MODES_INTERRUPT_MASK   0x00000001
 
#define CPU_MAXIMUM_PROCESSORS   32
 
#define CPU_EFLAGS_INTERRUPTS_ON   0x00003202
 
#define CPU_EFLAGS_INTERRUPTS_OFF   0x00003002
 
#define _CPU_Context_Get_SP(_context)    (_context)->rsp
 
#define CPU_INTERRUPT_FRAME_SIZE   72
 
#define CPU_MPCI_RECEIVE_SERVER_EXTRA_STACK   0
 
#define CPU_PROVIDES_ISR_IS_IN_PROGRESS   FALSE
 
#define CPU_STACK_MINIMUM_SIZE   (1024*4)
 
#define CPU_SIZEOF_POINTER   8
 
#define CPU_ALIGNMENT   8
 
#define CPU_HEAP_ALIGNMENT   CPU_ALIGNMENT
 
#define CPU_STACK_ALIGNMENT   16
 
#define CPU_INTERRUPT_STACK_ALIGNMENT   CPU_CACHE_LINE_BYTES
 
#define _CPU_Initialize_vectors()
 
#define _CPU_ISR_Enable(_level)
 
#define _CPU_ISR_Disable(_level)
 
#define _CPU_ISR_Flash(_level)
 
#define _CPU_Context_Destroy(_the_thread, _the_context)
 
#define _CPU_Context_Restart_self(_the_context)    _CPU_Context_restore( (_the_context) );
 
#define _CPU_Context_Initialize_fp(_destination)
 
#define _CPU_Fatal_halt(_source, _error)
 
#define CPU_USE_GENERIC_BITFIELD_CODE   TRUE
 
#define _CPU_Bitfield_Find_first_bit(_value, _output)
 
#define _CPU_Priority_Mask(_bit_number)    ( 1 << (_bit_number) )
 
#define _CPU_Priority_bits_index(_priority)    (_priority)
 
#define CPU_swap_u16(value)    (((value&0xff) << 8) | ((value >> 8)&0xff))
 

Typedefs

typedef uint32_t CPU_Counter_ticks
 
typedef uintptr_t CPU_Uint32ptr
 

Functions

 RTEMS_STATIC_ASSERT (sizeof(CPU_Interrupt_frame)==CPU_INTERRUPT_FRAME_SIZE, CPU_INTERRUPT_FRAME_SIZE)
 
RTEMS_INLINE_ROUTINE bool _CPU_ISR_Is_enabled (uint32_t level)
 Returns true if interrupts are enabled in the specified ISR level, otherwise returns false. More...
 
RTEMS_INLINE_ROUTINE void _CPU_ISR_Set_level (uint32_t new_level)
 Sets the hardware interrupt level by the level value. More...
 
RTEMS_INLINE_ROUTINE uint32_t _CPU_ISR_Get_level (void)
 Returns the interrupt level of the executing thread. More...
 
void _CPU_Context_Initialize (Context_Control *the_context, void *stack_area_begin, size_t stack_area_size, uint32_t new_level, void(*entry_point)(void), bool is_fp, void *tls_area)
 Initializes the CPU context. More...
 
void _CPU_Initialize (void)
 CPU initialization. More...
 
void * _CPU_Thread_Idle_body (uintptr_t ignored)
 
void _CPU_Context_switch (Context_Control *run, Context_Control *heir)
 CPU switch context. More...
 
void _CPU_Context_restore (Context_Control *new_context) RTEMS_NO_RETURN
 SPARC specific context restore. More...
 
void _CPU_Exception_frame_print (const CPU_Exception_frame *frame)
 Prints the exception frame via printk(). More...
 
uint32_t _CPU_Counter_frequency (void)
 Returns the current CPU counter frequency in Hz. More...
 
CPU_Counter_ticks _CPU_Counter_read (void)
 Returns the current CPU counter value. More...
 

Detailed Description

x86_64 Dependent Source

This include file contains information pertaining to the x86_64 processor.

Macro Definition Documentation

◆ _CPU_Bitfield_Find_first_bit

#define _CPU_Bitfield_Find_first_bit (   _value,
  _output 
)
Value:
{ \
(_output) = 0; /* do something to prevent warnings */ \
}

◆ _CPU_Context_Destroy

#define _CPU_Context_Destroy (   _the_thread,
  _the_context 
)
Value:
{ \
}

◆ _CPU_Context_Initialize_fp

#define _CPU_Context_Initialize_fp (   _destination)
Value:
{ \
*(*(_destination)) = _CPU_Null_fp_context; \
}
Context_Control_fp _CPU_Null_fp_context

◆ _CPU_Fatal_halt

#define _CPU_Fatal_halt (   _source,
  _error 
)
Value:
{ \
}

◆ _CPU_ISR_Disable

#define _CPU_ISR_Disable (   _level)
Value:
{ \
amd64_enable_interrupts(); \
_level = 1; \
(void) _level; /* Prevent -Wunused-but-set-variable */ \
}

◆ _CPU_ISR_Enable

#define _CPU_ISR_Enable (   _level)
Value:
{ \
amd64_enable_interrupts(); \
_level = 0; \
(void) _level; /* Prevent -Wunused-but-set-variable */ \
}

◆ _CPU_ISR_Flash

#define _CPU_ISR_Flash (   _level)
Value:
{ \
amd64_enable_interrupts(); \
amd64_disable_interrupts(); \
_level = 1; \
(void) _level; /* Prevent -Wunused-but-set-variable */ \
}