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-rw-r--r--c/src/exec/score/cpu/i386/cpu.h367
1 files changed, 0 insertions, 367 deletions
diff --git a/c/src/exec/score/cpu/i386/cpu.h b/c/src/exec/score/cpu/i386/cpu.h
deleted file mode 100644
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--- a/c/src/exec/score/cpu/i386/cpu.h
+++ /dev/null
@@ -1,367 +0,0 @@
-/* cpu.h
- *
- * This include file contains information pertaining to the Intel
- * i386 processor.
- *
- * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
- * On-Line Applications Research Corporation (OAR).
- * All rights assigned to U.S. Government, 1994.
- *
- * This material may be reproduced by or for the U.S. Government pursuant
- * to the copyright license under the clause at DFARS 252.227-7013. This
- * notice must appear in all copies of this file and its derivatives.
- *
- * $Id$
- */
-
-#ifndef __CPU_h
-#define __CPU_h
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <i386.h>
-
-/* conditional compilation parameters */
-
-#define CPU_INLINE_ENABLE_DISPATCH TRUE
-#define CPU_UNROLL_ENQUEUE_PRIORITY FALSE
-
-/*
- * i386 has an RTEMS allocated and managed interrupt stack.
- */
-
-#define CPU_HAS_SOFTWARE_INTERRUPT_STACK TRUE
-#define CPU_HAS_HARDWARE_INTERRUPT_STACK FALSE
-#define CPU_ALLOCATE_INTERRUPT_STACK TRUE
-
-/*
- * Some family members have no FP, some have an FPU such as the i387
- * for the i386, others have it built in (i486DX, Pentium).
- */
-
-#if ( I386_HAS_FPU == 1 )
-#define CPU_HARDWARE_FP TRUE /* i387 for i386 */
-#else
-#define CPU_HARDWARE_FP FALSE
-#endif
-
-#define CPU_ALL_TASKS_ARE_FP FALSE
-#define CPU_IDLE_TASK_IS_FP FALSE
-#define CPU_USE_DEFERRED_FP_SWITCH TRUE
-
-#define CPU_PROVIDES_IDLE_THREAD_BODY FALSE
-#define CPU_STACK_GROWS_UP FALSE
-#define CPU_STRUCTURE_ALIGNMENT
-
-/* structures */
-
-/*
- * Basic integer context for the i386 family.
- */
-
-typedef struct {
- unsigned32 eflags; /* extended flags register */
- void *esp; /* extended stack pointer register */
- void *ebp; /* extended base pointer register */
- unsigned32 ebx; /* extended bx register */
- unsigned32 esi; /* extended source index register */
- unsigned32 edi; /* extended destination index flags register */
-} Context_Control;
-
-/*
- * FP context save area for the i387 numeric coprocessors.
- */
-
-typedef struct {
- unsigned8 fp_save_area[108]; /* context size area for I80387 */
- /* 28 bytes for environment */
-} Context_Control_fp;
-
-/*
- * The following structure defines the set of information saved
- * on the current stack by RTEMS upon receipt of each interrupt.
- */
-
-typedef struct {
- unsigned32 TBD; /* XXX Fix for this CPU */
-} CPU_Interrupt_frame;
-
-/*
- * The following table contains the information required to configure
- * the i386 specific parameters.
- */
-
-typedef struct {
- void (*pretasking_hook)( void );
- void (*predriver_hook)( void );
- void (*postdriver_hook)( void );
- void (*idle_task)( void );
- boolean do_zero_of_workspace;
- unsigned32 interrupt_stack_size;
- unsigned32 extra_system_initialization_stack;
-
- unsigned32 interrupt_table_segment;
- void *interrupt_table_offset;
-} rtems_cpu_table;
-
-/*
- * context size area for floating point
- *
- * NOTE: This is out of place on the i386 to avoid a forward reference.
- */
-
-#define CPU_CONTEXT_FP_SIZE sizeof( Context_Control_fp )
-
-/* variables */
-
-EXTERN unsigned8 _CPU_Null_fp_context[ CPU_CONTEXT_FP_SIZE ];
-EXTERN void *_CPU_Interrupt_stack_low;
-EXTERN void *_CPU_Interrupt_stack_high;
-
-/* constants */
-
-/*
- * This defines the number of levels and the mask used to pick those
- * bits out of a thread mode.
- */
-
-#define CPU_MODES_INTERRUPT_LEVEL 0x00000001 /* interrupt level in mode */
-#define CPU_MODES_INTERRUPT_MASK 0x00000001 /* interrupt level in mode */
-
-/*
- * extra stack required by system initialization thread
- */
-
-#define CPU_SYSTEM_INITIALIZATION_THREAD_EXTRA_STACK 1024
-
-/*
- * i386 family supports 256 distinct vectors.
- */
-
-#define CPU_INTERRUPT_NUMBER_OF_VECTORS 256
-
-/*
- * Minimum size of a thread's stack.
- *
- * NOTE: 256 bytes is probably too low in most cases.
- */
-
-#define CPU_STACK_MINIMUM_SIZE 256
-
-/*
- * i386 is pretty tolerant of alignment. Just put things on 4 byte boundaries.
- */
-
-#define CPU_ALIGNMENT 4
-#define CPU_HEAP_ALIGNMENT CPU_ALIGNMENT
-#define CPU_PARTITION_ALIGNMENT CPU_ALIGNMENT
-
-/*
- * On i386 thread stacks require no further alignment after allocation
- * from the Workspace.
- */
-
-#define CPU_STACK_ALIGNMENT 0
-
-/* macros */
-
-/*
- * ISR handler macros
- *
- * These macros perform the following functions:
- * + disable all maskable CPU interrupts
- * + restore previous interrupt level (enable)
- * + temporarily restore interrupts (flash)
- * + set a particular level
- */
-
-#define _CPU_ISR_Disable( _level ) i386_disable_interrupts( _level )
-
-#define _CPU_ISR_Enable( _level ) i386_enable_interrupts( _level )
-
-#define _CPU_ISR_Flash( _level ) i386_flash_interrupts( _level )
-
-#define _CPU_ISR_Set_level( _new_level ) \
- { \
- if ( _new_level ) asm volatile ( "cli" ); \
- else asm volatile ( "sti" ); \
- }
-
-/* end of ISR handler macros */
-
-/*
- * Context handler macros
- *
- * These macros perform the following functions:
- * + initialize a context area
- * + restart the current thread
- * + calculate the initial pointer into a FP context area
- * + initialize an FP context area
- */
-
-#define CPU_EFLAGS_INTERRUPTS_ON 0x00003202
-#define CPU_EFLAGS_INTERRUPTS_OFF 0x00003002
-
-#define _CPU_Context_Initialize( _the_context, _stack_base, _size, \
- _isr, _entry_point ) \
- do { \
- unsigned32 _stack; \
- \
- if ( (_isr) ) (_the_context)->eflags = CPU_EFLAGS_INTERRUPTS_OFF; \
- else (_the_context)->eflags = CPU_EFLAGS_INTERRUPTS_ON; \
- \
- _stack = ((unsigned32)(_stack_base)) + (_size) - 4; \
- \
- *((proc_ptr *)(_stack)) = (_entry_point); \
- (_the_context)->ebp = (void *) _stack; \
- (_the_context)->esp = (void *) _stack; \
- } while (0)
-
-#define _CPU_Context_Restart_self( _the_context ) \
- _CPU_Context_restore( (_the_context) );
-
-#define _CPU_Context_Fp_start( _base, _offset ) \
- ( (void *) _Addresses_Add_offset( (_base), (_offset) ) )
-
-#define _CPU_Context_Initialize_fp( _fp_area ) \
- { \
- unsigned32 *_source = (unsigned32 *) _CPU_Null_fp_context; \
- unsigned32 *_destination = (unsigned32 *) *(_fp_area); \
- unsigned32 _index; \
- \
- for ( _index=0 ; _index < CPU_CONTEXT_FP_SIZE/4 ; _index++ ) \
- *_destination++ = *_source++; \
- }
-
-/* end of Context handler macros */
-
-/*
- * Fatal Error manager macros
- *
- * These macros perform the following functions:
- * + disable interrupts and halt the CPU
- */
-
-#define _CPU_Fatal_halt( _error ) \
- { \
- asm volatile ( "cli ; \
- movl %0,%%eax ; \
- hlt" \
- : "=r" ((_error)) : "0" ((_error)) \
- ); \
- }
-
-/* end of Fatal Error manager macros */
-
-/*
- * Bitfield handler macros
- *
- * These macros perform the following functions:
- * + scan for the highest numbered (MSB) set in a 16 bit bitfield
- */
-
-#define _CPU_Bitfield_Find_first_bit( _value, _output ) \
- { \
- register unsigned16 __value_in_register = (_value); \
- \
- _output = 0; \
- \
- asm volatile ( "bsfw %0,%1 " \
- : "=r" (__value_in_register), "=r" (_output) \
- : "0" (__value_in_register), "1" (_output) \
- ); \
- }
-
-/* end of Bitfield handler macros */
-
-/*
- * Priority handler macros
- *
- * These macros perform the following functions:
- * + return a mask with the bit for this major/minor portion of
- * of thread priority set.
- * + translate the bit number returned by "Bitfield_find_first_bit"
- * into an index into the thread ready chain bit maps
- */
-
-#define _CPU_Priority_Mask( _bit_number ) \
- ( 1 << (_bit_number) )
-
-#define _CPU_Priority_Bits_index( _priority ) \
- (_priority)
-
-/* functions */
-
-/*
- * _CPU_Initialize
- *
- * This routine performs CPU dependent initialization.
- */
-
-void _CPU_Initialize(
- rtems_cpu_table *cpu_table,
- void (*thread_dispatch)
-);
-
-/*
- * _CPU_ISR_install_vector
- *
- * This routine installs an interrupt vector.
- */
-
-void _CPU_ISR_install_vector(
- unsigned32 vector,
- proc_ptr new_handler,
- proc_ptr *old_handler
-);
-
-/*
- * _CPU_Context_switch
- *
- * This routine switches from the run context to the heir context.
- */
-
-void _CPU_Context_switch(
- Context_Control *run,
- Context_Control *heir
-);
-
-/*
- * _CPU_Context_restore
- *
- * This routine is generallu used only to restart self in an
- * efficient manner and avoid stack conflicts.
- */
-
-void _CPU_Context_restore(
- Context_Control *new_context
-);
-
-/*
- * _CPU_Context_save_fp
- *
- * This routine saves the floating point context passed to it.
- */
-
-void _CPU_Context_save_fp(
- void **fp_context_ptr
-);
-
-/*
- * _CPU_Context_restore_fp
- *
- * This routine restores the floating point context passed to it.
- */
-
-void _CPU_Context_restore_fp(
- void **fp_context_ptr
-);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
-/* end of include file */