diff options
Diffstat (limited to 'schedsim/rtems/sched_cpu/rtems')
| -rw-r--r-- | schedsim/rtems/sched_cpu/rtems/score/asm.h | 120 | ||||
| -rw-r--r-- | schedsim/rtems/sched_cpu/rtems/score/cpu.h | 34 | ||||
| -rw-r--r-- | schedsim/rtems/sched_cpu/rtems/score/cpuatomic.h | 14 |
3 files changed, 151 insertions, 17 deletions
diff --git a/schedsim/rtems/sched_cpu/rtems/score/asm.h b/schedsim/rtems/sched_cpu/rtems/score/asm.h new file mode 100644 index 0000000..a2b11f6 --- /dev/null +++ b/schedsim/rtems/sched_cpu/rtems/score/asm.h @@ -0,0 +1,120 @@ +/** + * @file + * + * @brief Address the Problems Caused by Incompatible Flavor of + * Assemblers and Toolsets + * + * This include file attempts to address the problems + * caused by incompatible flavors of assemblers and + * toolsets. It primarily addresses variations in the + * use of leading underscores on symbols and the requirement + * that register names be preceded by a %. + * + * NOTE: The spacing in the use of these macros + * is critical to them working as advertised. + */ + +/* + * COPYRIGHT: + * + * This file is based on similar code found in newlib available + * from ftp.cygnus.com. The file which was used had no copyright + * notice. This file is freely distributable as long as the source + * of the file is noted. + */ + +#ifndef _RTEMS_ASM_H +#define _RTEMS_ASM_H + +/* + * Indicate we are in an assembly file and get the basic CPU definitions. + */ + +#ifndef ASM +#define ASM +#endif + +#include <rtems/score/cpuopts.h> +#include <rtems/score/cpu.h> + +/* + * Recent versions of GNU cpp define variables which indicate the + * need for underscores and percents. If not using GNU cpp or + * the version does not support this, then you will obviously + * have to define these as appropriate. + */ + +/* XXX __USER_LABEL_PREFIX__ and __REGISTER_PREFIX__ do not work on gcc 2.7.0 */ +/* XXX The following ifdef magic fixes the problem but results in a warning */ +/* XXX when compiling assembly code. */ + +#ifndef __USER_LABEL_PREFIX__ +#define __USER_LABEL_PREFIX__ _ +#endif + +#ifndef __REGISTER_PREFIX__ +#define __REGISTER_PREFIX__ +#endif + +#include <rtems/concat.h> + +/* Use the right prefix for global labels. */ + +#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x) + +/* Use the right prefix for registers. */ + +#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x) + +/* + * define macros for all of the registers on this CPU + * + * EXAMPLE: #define d0 REG (d0) + */ + +/* + * Define macros to handle section beginning and ends. + */ + + +#define BEGIN_CODE_DCL .text +#define END_CODE_DCL +#define BEGIN_DATA_DCL .data +#define END_DATA_DCL +#define BEGIN_CODE .text +#define END_CODE +#define BEGIN_DATA +#define END_DATA +#define BEGIN_BSS +#define END_BSS +#define END + +/* + * Following must be tailor for a particular flavor of the C compiler. + * They may need to put underscores in front of the symbols. + */ + +#define PUBLIC(sym) .globl SYM (sym) +#define EXTERN(sym) .globl SYM (sym) + +/* + * Entry for traps which jump to a programmer-specified trap handler. + */ + +#define TRAP(_vector, _handler) \ + mov %psr, %l0 ; \ + sethi %hi(_handler), %l4 ; \ + jmp %l4+%lo(_handler); \ + mov _vector, %l3 + +/* + * Used for the reset trap to avoid a supervisor instruction + */ + +#define RTRAP(_vector, _handler) \ + mov %g0, %l0 ; \ + sethi %hi(_handler), %l4 ; \ + jmp %l4+%lo(_handler); \ + mov _vector, %l3 + +#endif diff --git a/schedsim/rtems/sched_cpu/rtems/score/cpu.h b/schedsim/rtems/sched_cpu/rtems/score/cpu.h index 219a347..03817fc 100644 --- a/schedsim/rtems/sched_cpu/rtems/score/cpu.h +++ b/schedsim/rtems/sched_cpu/rtems/score/cpu.h @@ -720,6 +720,11 @@ SCORE_EXTERN void *_CPU_Interrupt_stack_high; #define _CPU_Initialize_vectors() /** + * XXX fake cpu isr level variable + */ +extern int _CPU_ISR_level_on_sched_cpu; + +/** * @ingroup CPUInterrupt * Disable all interrupts for an RTEMS critical section. The previous * level is returned in @a _isr_cookie. @@ -732,7 +737,8 @@ SCORE_EXTERN void *_CPU_Interrupt_stack_high; */ #define _CPU_ISR_Disable( _isr_cookie ) \ { \ - (_isr_cookie) = 0; /* do something to prevent warnings */ \ + (_isr_cookie) = _CPU_ISR_level_on_sched_cpu; \ + _CPU_ISR_level_on_sched_cpu = 1; \ } /** @@ -749,6 +755,7 @@ SCORE_EXTERN void *_CPU_Interrupt_stack_high; */ #define _CPU_ISR_Enable( _isr_cookie ) \ { \ + _CPU_ISR_level_on_sched_cpu = (_isr_cookie); \ } /** @@ -787,6 +794,7 @@ SCORE_EXTERN void *_CPU_Interrupt_stack_high; */ #define _CPU_ISR_Set_level( new_level ) \ { \ + _CPU_ISR_level_on_sched_cpu = (new_level); \ } /** @@ -800,7 +808,7 @@ SCORE_EXTERN void *_CPU_Interrupt_stack_high; * * XXX document implementation including references if appropriate */ -uint32_t _CPU_ISR_Get_level( void ); +#define _CPU_ISR_Get_level() (uint32_t) _CPU_ISR_level_on_sched_cpu /* end of ISR handler macros */ @@ -1220,21 +1228,13 @@ void _CPU_Context_restore_fp( #ifdef RTEMS_SMP #define _CPU_Context_switch_to_first_task_smp(_context ) - RTEMS_COMPILER_PURE_ATTRIBUTE static inline uint32_t - _CPU_SMP_Get_current_processor( void ) - { - return 0; - } - - #define _CPU_SMP_Send_interrupt( dest); - - static inline void _CPU_SMP_Processor_event_broadcast( void ) - { - } - - static inline void _CPU_SMP_Processor_event_receive( void ) - { - } + uint32_t _CPU_SMP_Get_current_processor( void ); + uint32_t _CPU_SMP_Initialize( void ); + bool _CPU_SMP_Start_processor( uint32_t cpu_index ); + void _CPU_SMP_Finalize_initialization( uint32_t cpu_count ); + void _CPU_SMP_Send_interrupt( uint32_t target_processor_index ); + void _CPU_SMP_Processor_event_broadcast( void ); + void _CPU_SMP_Processor_event_receive( void ); #endif typedef struct { uint32_t trap; diff --git a/schedsim/rtems/sched_cpu/rtems/score/cpuatomic.h b/schedsim/rtems/sched_cpu/rtems/score/cpuatomic.h new file mode 100644 index 0000000..598ee76 --- /dev/null +++ b/schedsim/rtems/sched_cpu/rtems/score/cpuatomic.h @@ -0,0 +1,14 @@ +/* + * COPYRIGHT (c) 2012-2013 Deng Hengyi. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#ifndef _RTEMS_SCORE_ATOMIC_CPU_H +#define _RTEMS_SCORE_ATOMIC_CPU_H + +#include <rtems/score/cpustdatomic.h> + +#endif /* _RTEMS_SCORE_ATOMIC_CPU_H */ |