#include <rtems/score/basedefs.h>
#include <rtems/score/powerpc.h>
#include <rtems/powerpc/registers.h>
#include <string.h>

Data Structures
struct	ppc_context

struct	Context_Control
	Thread register context. More...

struct	Context_Control_fp
	SPARC basic context. More...

struct	CPU_Exception_frame
	The set of registers that specifies the complete processor state. More...

Macros
#define	CPU_STACK_GROWS_UP FALSE

#define	CPU_CACHE_LINE_BYTES PPC_STRUCTURE_ALIGNMENT

#define	CPU_STRUCTURE_ALIGNMENT RTEMS_ALIGNED( CPU_CACHE_LINE_BYTES )

#define	CPU_HARDWARE_FP FALSE

#define	CPU_SOFTWARE_FP FALSE

#define	CPU_ALL_TASKS_ARE_FP CPU_HARDWARE_FP

#define	CPU_IDLE_TASK_IS_FP FALSE

#define	CPU_MAXIMUM_PROCESSORS 32

#define	PPC_GPR_TYPE uintptr_t

#define	PPC_GPR_SIZE 4

#define	PPC_GPR_LOAD lwz

#define	PPC_GPR_STORE stw

#define	PPC_REG_SIZE 4

#define	PPC_REG_LOAD lwz

#define	PPC_REG_STORE stw

#define	PPC_REG_STORE_UPDATE stwu

#define	PPC_REG_CMP cmpw

#define	_CPU_Context_Get_SP(_context) ppc_get_context(_context)->gpr1

#define	PPC_CONTEXT_OFFSET_MSR (PPC_DEFAULT_CACHE_LINE_SIZE)

#define	PPC_CONTEXT_OFFSET_CR (PPC_DEFAULT_CACHE_LINE_SIZE + 4)

#define	PPC_CONTEXT_OFFSET_GPR1 (PPC_DEFAULT_CACHE_LINE_SIZE + 8)

#define	PPC_CONTEXT_OFFSET_LR (PPC_DEFAULT_CACHE_LINE_SIZE + PPC_REG_SIZE + 8)

#define	PPC_CONTEXT_GPR_OFFSET(gpr)

#define	PPC_CONTEXT_OFFSET_GPR14 PPC_CONTEXT_GPR_OFFSET( 14 )

#define	PPC_CONTEXT_OFFSET_GPR15 PPC_CONTEXT_GPR_OFFSET( 15 )

#define	PPC_CONTEXT_OFFSET_GPR16 PPC_CONTEXT_GPR_OFFSET( 16 )

#define	PPC_CONTEXT_OFFSET_GPR17 PPC_CONTEXT_GPR_OFFSET( 17 )

#define	PPC_CONTEXT_OFFSET_GPR18 PPC_CONTEXT_GPR_OFFSET( 18 )

#define	PPC_CONTEXT_OFFSET_GPR19 PPC_CONTEXT_GPR_OFFSET( 19 )

#define	PPC_CONTEXT_OFFSET_GPR20 PPC_CONTEXT_GPR_OFFSET( 20 )

#define	PPC_CONTEXT_OFFSET_GPR21 PPC_CONTEXT_GPR_OFFSET( 21 )

#define	PPC_CONTEXT_OFFSET_GPR22 PPC_CONTEXT_GPR_OFFSET( 22 )

#define	PPC_CONTEXT_OFFSET_GPR23 PPC_CONTEXT_GPR_OFFSET( 23 )

#define	PPC_CONTEXT_OFFSET_GPR24 PPC_CONTEXT_GPR_OFFSET( 24 )

#define	PPC_CONTEXT_OFFSET_GPR25 PPC_CONTEXT_GPR_OFFSET( 25 )

#define	PPC_CONTEXT_OFFSET_GPR26 PPC_CONTEXT_GPR_OFFSET( 26 )

#define	PPC_CONTEXT_OFFSET_GPR27 PPC_CONTEXT_GPR_OFFSET( 27 )

#define	PPC_CONTEXT_OFFSET_GPR28 PPC_CONTEXT_GPR_OFFSET( 28 )

#define	PPC_CONTEXT_OFFSET_GPR29 PPC_CONTEXT_GPR_OFFSET( 29 )

#define	PPC_CONTEXT_OFFSET_GPR30 PPC_CONTEXT_GPR_OFFSET( 30 )

#define	PPC_CONTEXT_OFFSET_GPR31 PPC_CONTEXT_GPR_OFFSET( 31 )

#define	PPC_CONTEXT_OFFSET_ISR_DISPATCH_DISABLE PPC_CONTEXT_GPR_OFFSET( 32 )

#define	PPC_CONTEXT_OFFSET_F(f) ( ( ( f ) - 14 ) * 8 + PPC_CONTEXT_OFFSET_ISR_DISPATCH_DISABLE + 8 )

#define	PPC_CONTEXT_VOLATILE_SIZE (PPC_CONTEXT_GPR_OFFSET( 32 ) + 8)

#define	PPC_CONTEXT_OFFSET_TP PPC_CONTEXT_VOLATILE_SIZE

#define	CPU_SIMPLE_VECTORED_INTERRUPTS FALSE

#define	CPU_ISR_PASSES_FRAME_POINTER FALSE

#define	CPU_USE_DEFERRED_FP_SWITCH FALSE

#define	CPU_ENABLE_ROBUST_THREAD_DISPATCH FALSE

#define	CPU_MODES_INTERRUPT_MASK 0x00000001 /* interrupt level in mode */

#define	CPU_CONTEXT_FP_SIZE sizeof( Context_Control_fp )

#define	CPU_STACK_CHECK_PATTERN_INITIALIZER

#define	CPU_MPCI_RECEIVE_SERVER_EXTRA_STACK 0

#define	CPU_PROVIDES_ISR_IS_IN_PROGRESS FALSE

#define	_CPU_Fatal_halt(_source, _error)

#define	CPU_STACK_MINIMUM_SIZE (1024*8)

#define	CPU_SIZEOF_POINTER 4

#define	CPU_ALIGNMENT (PPC_ALIGNMENT)

#define	CPU_HEAP_ALIGNMENT (PPC_ALIGNMENT)

#define	CPU_STACK_ALIGNMENT (PPC_STACK_ALIGNMENT)

#define	CPU_INTERRUPT_STACK_ALIGNMENT CPU_CACHE_LINE_BYTES

#define	CPU_swap_u16(value) (((value&0xff) << 8) \| ((value >> 8)&0xff))

#define	_CPU_Context_Restart_self(_the_context) _CPU_Context_restore( (_the_context) );

#define	_CPU_Context_Initialize_fp(_destination) memset( (_destination), 0, sizeof( *(_destination) ) )

#define	CPU_USE_GENERIC_BITFIELD_CODE FALSE

#define	_CPU_Bitfield_Find_first_bit(_value, _output)

#define	_CPU_Priority_Mask(_bit_number) ( 0x8000u >> (_bit_number) )

#define	_CPU_Priority_bits_index(_priority) (_priority)

Typedefs
typedef uint32_t	CPU_Counter_ticks

typedef uintptr_t	CPU_Uint32ptr

Functions
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...

uint32_t	_CPU_Counter_frequency (void)
	Returns the current CPU counter frequency in Hz. More...

void	_CPU_Context_Initialize (Context_Control the_context, void stack_base, size_t size, uint32_t new_level, void entry_point, bool is_fp, void tls_area)

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

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)
	Prints the exception frame via printk(). More...

void	_CPU_Initialize_altivec (void)

void	_CPU_Context_switch_altivec (ppc_context from, ppc_context to)

void	_CPU_Context_restore_altivec (ppc_context *ctxt)

void	_CPU_Context_initialize_altivec (ppc_context *ctxt)

void	_CPU_Fatal_error (uint32_t _error)

Macro Definition Documentation

◆ _CPU_Bitfield_Find_first_bit

#define _CPU_Bitfield_Find_first_bit	(	_value,
		_output
	)

Value:

{ \
    __asm__ volatile ("cntlzw %0, %1" : "=r" ((_output)), "=r" ((_value)) : \
          "1" ((_value))); \
    (_output) = (_output) - 16; \
  }

◆ _CPU_Fatal_halt

#define _CPU_Fatal_halt	(	_source,
		_error
	)

Value:

do { \
    ppc_interrupt_disable(); \
    __asm__ volatile ( \
      "mr 3, %0\n" \
      "mr 4, %1\n" \
      "1:\n" \
      "b 1b\n" \
      : \
      : "r" (_source), "r" (_error) \
      : "memory" \
    ); \
  } while ( 0 )

◆ CPU_STACK_CHECK_PATTERN_INITIALIZER

#define CPU_STACK_CHECK_PATTERN_INITIALIZER

Value:

{ 0xFEEDF00D, 0x0BAD0D06, 0xDEADF00D, 0x600D0D06, \
    0xFEEDF00D, 0x0BAD0D06, 0xDEADF00D, 0x600D0D06, \
    0xFEEDF00D, 0x0BAD0D06, 0xDEADF00D, 0x600D0D06, \
    0xFEEDF00D, 0x0BAD0D06, 0xDEADF00D, 0x600D0D06, \
    0xFEEDF00D, 0x0BAD0D06, 0xDEADF00D, 0x600D0D06, \
    0xFEEDF00D, 0x0BAD0D06, 0xDEADF00D, 0x600D0D06, \
    0xFEEDF00D, 0x0BAD0D06, 0xDEADF00D, 0x600D0D06, \
    0xFEEDF00D, 0x0BAD0D06, 0xDEADF00D, 0x600D0D06 }

◆ PPC_CONTEXT_GPR_OFFSET

#define PPC_CONTEXT_GPR_OFFSET ( gpr )

Value:

(((gpr) - 14) * PPC_GPR_SIZE + \

PPC_DEFAULT_CACHE_LINE_SIZE + 8 + 2 * PPC_REG_SIZE)

Typedef Documentation

◆ CPU_Uint32ptr

typedef uintptr_t CPU_Uint32ptr

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

Data Structures

Macros

Typedefs

Functions

Macro Definition Documentation

◆ _CPU_Bitfield_Find_first_bit

◆ _CPU_Fatal_halt

◆ CPU_STACK_CHECK_PATTERN_INITIALIZER

◆ PPC_CONTEXT_GPR_OFFSET

Typedef Documentation

◆ CPU_Uint32ptr