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Removed unused functions and variables

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This commit is contained in:
afpr
2014-04-03 15:11:12 +01:00
parent 5198433f6b
commit 542804675c
1 changed files with 8 additions and 140 deletions
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148
cpukit/score/cpu/patmos/rtems/score/cpu.h
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@@ -79,7 +79,7 @@ extern "C" {
* If TRUE, then it must be installed during initialization.
* If FALSE, then no installation is performed.
*
* The PATMOS does not have a dedicated HW interrupt stack.
* Patmos does not have a dedicated HW interrupt stack.
*/
#define CPU_HAS_HARDWARE_INTERRUPT_STACK FALSE
@@ -171,7 +171,7 @@ extern "C" {
* If TRUE, then the grows upward.
* If FALSE, then the grows toward smaller addresses.
*
* The stack grows to lower addresses on the PATMOS.
* The stack grows to lower addresses on Patmos.
*/
#define CPU_STACK_GROWS_UP FALSE
@@ -359,58 +359,6 @@ typedef struct {
#define MAX_STACK_CACHE_SIZE 0x3FFFF
/*
* The floating point context area.
*/
#ifndef ASM
typedef struct {
double f0_f1;
double f2_f3;
double f4_f5;
double f6_f7;
double f8_f9;
double f10_f11;
double f12_f13;
double f14_f15;
double f16_f17;
double f18_f19;
double f20_f21;
double f22_f23;
double f24_f25;
double f26_f27;
double f28_f29;
double f30_f31;
uint32_t fsr;
} Context_Control_fp;
#endif /* ASM */
/*
* Offsets of fields with Context_Control_fp for assembly routines.
*/
#define FO_F1_OFFSET 0x00
#define F2_F3_OFFSET 0x08
#define F4_F5_OFFSET 0x10
#define F6_F7_OFFSET 0x18
#define F8_F9_OFFSET 0x20
#define F1O_F11_OFFSET 0x28
#define F12_F13_OFFSET 0x30
#define F14_F15_OFFSET 0x38
#define F16_F17_OFFSET 0x40
#define F18_F19_OFFSET 0x48
#define F2O_F21_OFFSET 0x50
#define F22_F23_OFFSET 0x58
#define F24_F25_OFFSET 0x60
#define F26_F27_OFFSET 0x68
#define F28_F29_OFFSET 0x70
#define F3O_F31_OFFSET 0x78
#define FSR_OFFSET 0x80
#define CONTEXT_CONTROL_FP_SIZE 0x84
#ifndef ASM
/*
@@ -424,23 +372,7 @@ typedef struct {
#endif /* ASM */
/*
* Offsets of fields with CPU_Interrupt_frame for assembly routines.
*/
#define ISF_STACK_FRAME_OFFSET 0x00
#define CONTEXT_CONTROL_INTERRUPT_FRAME_SIZE CONTEXT_CONTROL_SIZE
#ifndef ASM
/*
* This variable is contains the initialize context for the FP unit.
* It is filled in by _CPU_Initialize and copied into the task's FP
* context area during _CPU_Context_Initialize.
*/
SCORE_EXTERN Context_Control_fp _CPU_Null_fp_context CPU_STRUCTURE_ALIGNMENT;
/*
* This stack is allocated by the Interrupt Manager and the switch
* is performed in _ISR_Handler. These variables contain pointers
@@ -455,20 +387,11 @@ SCORE_EXTERN Context_Control_fp _CPU_Null_fp_context CPU_STRUCTURE_ALIGNMENT;
SCORE_EXTERN void *_CPU_Interrupt_stack_low; /* This variable points to the lowest physical address of the interrupt stack */
SCORE_EXTERN void *_CPU_Interrupt_stack_high; /* This variable points to the highest physical address of the interrupt stack */
/*
* This flag is context switched with each thread. It indicates
* that THIS thread has an _ISR_Dispatch stack frame on its stack.
* By using this flag, we can avoid nesting more interrupt dispatching
* attempts on a previously interrupted thread's stack.
*/
SCORE_EXTERN volatile uint32_t _CPU_ISR_Dispatch_disable;
/*
* The size of the floating point context area.
*/
#define CPU_CONTEXT_FP_SIZE sizeof( Context_Control_fp )
#define CPU_CONTEXT_FP_SIZE 0
#endif /* ASM */
@@ -622,7 +545,7 @@ uint32_t _CPU_ISR_Get_level( void );
* - preparing the stack and frame pointers for both the stack and the shadow stack
* - setting the proper interrupt level in the context
*
* NOTE: Implemented as a subroutine for the PATMOS port.
* NOTE: Implemented as a subroutine for Patmos port.
*/
void _CPU_Context_Initialize(
@@ -642,41 +565,6 @@ uint32_t *shadow_stack_base
#define _CPU_Context_Restart_self( _the_context ) \
_CPU_Context_restore( (_the_context) );
/*
* The purpose of this macro is to allow the initial pointer into
* a floating point context area (used to save the floating point
* context) to be at an arbitrary place in the floating point
* context area.
*
* This is necessary because some FP units are designed to have
* their context saved as a stack which grows into lower addresses.
* Other FP units can be saved by simply moving registers into offsets
* from the base of the context area. Finally some FP units provide
* a "dump context" instruction which could fill in from high to low
* or low to high based on the whim of the CPU designers.
*/
#define _CPU_Context_Fp_start( _base, _offset ) \
( (void *) _Addresses_Add_offset( (_base), (_offset) ) )
/*
* This routine initializes the FP context area passed to it to.
* There are a few standard ways in which to initialize the
* floating point context. The code included for this macro assumes
* that this is a CPU in which a "initial" FP context was saved into
* _CPU_Null_fp_context and it simply copies it to the destination
* context passed to it.
*
* Other floating point context save/restore models include:
* -# not doing anything, and
* -# putting a "null FP status word" in the correct place in the FP context.
*/
#define _CPU_Context_Initialize_fp( _destination ) \
do { \
*(*(_destination)) = _CPU_Null_fp_context; \
} while (0)
/* end of Context handler macros */
/* Fatal Error manager macros */
@@ -700,7 +588,7 @@ uint32_t *shadow_stack_base
/* Bitfield handler macros */
/*
* The PATMOS port uses the generic C algorithm for bitfield scan if the
* The Patmos port uses the generic C algorithm for bitfield scan if the
* CPU model does not have a scan instruction.
*/
@@ -716,7 +604,7 @@ uint32_t *shadow_stack_base
/* Priority handler handler macros */
/*
* The PATMOS port uses the generic C algorithm for bitfield scan if the
* The Patmos port uses the generic C algorithm for bitfield scan if the
* CPU model does not have a scan instruction.
*/
@@ -795,26 +683,6 @@ void _CPU_Context_restore(
Context_Control *new_context
) __attribute__((naked));
/*
* _CPU_Context_save_fp
*
* This routine saves the floating point context passed to it.
*/
void _CPU_Context_save_fp(
Context_Control_fp **fp_context_ptr
);
/*
* _CPU_Context_restore_fp
*
* This routine restores the floating point context passed to it.
*/
void _CPU_Context_restore_fp(
Context_Control_fp **fp_context_ptr
);
/*
* CPU_swap_u32
*
@@ -822,8 +690,8 @@ void _CPU_Context_restore_fp(
* It must be static because it is referenced indirectly.
*
* This version will work on any processor, but if you come across a better
* way for the PATMOS PLEASE use it. The most common way to swap a 32-bit
* entity as shown below is not any more efficient on the PATMOS.
* way for the Patmos PLEASE use it. The most common way to swap a 32-bit
* entity as shown below is not any more efficient on Patmos.
*
* swap least significant two bytes with 16-bit rotate
* swap upper and lower 16-bits