MIPS

MIPS Architecture Support. More...

Topics
	CPU Related Definitions
	RTEMS no cpu Build Information
	Register Structure

Data Structures
struct	Context_Control
	Thread register context. More...
struct	Context_Control_fp
	SPARC basic context. More...
union	Context_Control_fp::[union]._operand1
union	Context_Control_fp::[union]._operand2
struct	CPU_Interrupt_frame
	Interrupt stack frame (ISF). More...

Macros
#define	CPU_SIMPLE_VECTORED_INTERRUPTS   FALSE
#define	CPU_ISR_PASSES_FRAME_POINTER   TRUE
#define	CPU_HARDWARE_FP   FALSE
#define	CPU_ALL_TASKS_ARE_FP   CPU_HARDWARE_FP
#define	CPU_IDLE_TASK_IS_FP   FALSE
#define	CPU_USE_DEFERRED_FP_SWITCH   TRUE
#define	CPU_ENABLE_ROBUST_THREAD_DISPATCH   FALSE
#define	CPU_STACK_GROWS_UP   FALSE
#define	CPU_CACHE_LINE_BYTES   16
#define	CPU_STRUCTURE_ALIGNMENT   RTEMS_ALIGNED( CPU_CACHE_LINE_BYTES )
#define	CPU_MODES_INTERRUPT_MASK   0x000000ff
#define	CPU_SIZEOF_POINTER   4
#define	CPU_MAXIMUM_PROCESSORS   32
#define	_CPU_Context_Get_SP(_context)
#define	CPU_CONTEXT_FP_SIZE   sizeof( Context_Control_fp )
#define	CPU_MPCI_RECEIVE_SERVER_EXTRA_STACK   0
#define	CPU_STACK_MINIMUM_SIZE   (8 * 1024)
#define	CPU_ALIGNMENT   8
#define	CPU_HEAP_ALIGNMENT   CPU_ALIGNMENT
#define	CPU_STACK_ALIGNMENT   CPU_ALIGNMENT
#define	CPU_INTERRUPT_STACK_ALIGNMENT   CPU_CACHE_LINE_BYTES
#define	_CPU_ISR_Disable(_level)
#define	_CPU_ISR_Enable(_level)
#define	_CPU_ISR_Flash(_xlevel)
#define	_CPU_Context_Restart_self(_the_context)
#define	_CPU_Context_Initialize_fp(_destination)
#define	CPU_USE_GENERIC_BITFIELD_CODE   TRUE
#define	CPU_USE_LIBC_INIT_FINI_ARRAY   FALSE
#define	CPU_swap_u16(value)
#define	CPU_PER_CPU_CONTROL_SIZE   0
#define	CPU_THREAD_LOCAL_STORAGE_VARIANT   10

Typedefs
typedef CPU_Interrupt_frame	CPU_Exception_frame
typedef uint32_t	CPU_Counter_ticks
typedef uintptr_t	CPU_Uint32ptr

Functions
void	mips_vector_exceptions (CPU_Interrupt_frame *frame)
uint32_t	mips_interrupt_mask (void)
uint32_t	_CPU_ISR_Get_level (void)
void	_CPU_ISR_Set_level (uint32_t)
void	_CPU_Context_Initialize (Context_Control *the_context, uintptr_t *stack_base, uint32_t size, uint32_t new_level, void *entry_point, bool is_fp, void *tls_area)
void	mips_break (int error)
void	_CPU_Initialize (void)
	CPU initialization.
RTEMS_NO_RETURN void *	_CPU_Thread_Idle_body (uintptr_t ignored)
void	_CPU_Context_switch (Context_Control *run, Context_Control *heir)
	CPU switch context.
RTEMS_NO_RETURN void	_CPU_Context_restore (Context_Control *new_context)
void	_CPU_Context_save_fp (Context_Control_fp **fp_context_ptr)
void	_CPU_Context_restore_fp (Context_Control_fp **fp_context_ptr)
void	_CPU_Exception_frame_print (const CPU_Exception_frame *frame)
uint32_t	_CPU_Counter_frequency (void)
CPU_Counter_ticks	_CPU_Counter_read (void)

Variables
Context_Control_fp	_CPU_Null_fp_context

Detailed Description

MIPS Architecture Support.

Macro Definition Documentation

_CPU_Context_Get_SP

#define _CPU_Context_Get_SP

(

_context

)

Value:

(uintptr_t) (_context)->sp

_CPU_Context_Initialize_fp

#define _CPU_Context_Initialize_fp

(

_destination

)

Value:

{ \
 *(*(_destination)) = _CPU_Null_fp_context; \
}

_CPU_Context_Restart_self

#define _CPU_Context_Restart_self

(

_the_context

)

Value:

_CPU_Context_restore( (_the_context) );

_CPU_ISR_Disable

#define _CPU_ISR_Disable

(

_level

)

Value:

do { \
  unsigned int _scratch; \
  mips_get_sr( _scratch ); \
  mips_set_sr( _scratch & ~SR_INTERRUPT_ENABLE_BITS ); \
  _level = _scratch & SR_INTERRUPT_ENABLE_BITS; \
} while(0)

_CPU_ISR_Enable

#define _CPU_ISR_Enable

(

_level

)

Value:

do { \
  unsigned int _scratch; \
  mips_get_sr( _scratch ); \
  mips_set_sr( (_scratch & ~SR_INTERRUPT_ENABLE_BITS) | (_level & SR_INTERRUPT_ENABLE_BITS) ); \
} while(0)

_CPU_ISR_Flash

#define _CPU_ISR_Flash

(

_xlevel

)

Value:

do { \
  unsigned int _scratch2 = _xlevel; \
  _CPU_ISR_Enable( _scratch2 ); \
  _CPU_ISR_Disable( _scratch2 ); \
  _xlevel = _scratch2; \
} while(0)

CPU_swap_u16

#define CPU_swap_u16

(

value

)

Value:

(((value&0xff) << 8) | ((value >> 8)&0xff))

Typedef Documentation

CPU_Uint32ptr

typedef uintptr_t CPU_Uint32ptr

Type that can store a 32-bit integer or a pointer.