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Diffstat (limited to 'cpukit/score/cpu/arm/rtems/asm.h')
| -rw-r--r-- | cpukit/score/cpu/arm/rtems/asm.h | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/cpukit/score/cpu/arm/rtems/asm.h b/cpukit/score/cpu/arm/rtems/asm.h deleted file mode 100644 index d22514d60a..0000000000 --- a/cpukit/score/cpu/arm/rtems/asm.h +++ /dev/null @@ -1,203 +0,0 @@ -/** - * @file - * - * @brief ARM Assembler Support API - * - * 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. This file is: - * - * COPYRIGHT (c) 2000 Canon Research Centre France SA. - * Emmanuel Raguet, mailto:raguet@crf.canon.fr - * - * 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_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/percpu.h> - -/** - * @defgroup ScoreCPUARMASM ARM Assembler Support - * - * @ingroup ScoreCPU - * - * @brief ARM Assembler Support - */ -/**@{**/ - -/* - * 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. - */ - -#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 r0 REG(r0) -#define r1 REG(r1) -#define r2 REG(r2) -#define r3 REG(r3) -#define r4 REG(r4) -#define r5 REG(r5) -#define r6 REG(r6) -#define r7 REG(r7) -#define r8 REG(r8) -#define r9 REG(r9) -#define r10 REG(r10) -#define r11 REG(r11) -#define r12 REG(r12) -#define r13 REG(r13) -#define r14 REG(r14) -#define r15 REG(r15) - -#define CPSR REG(CPSR) - -#define SPSR REG(SPSR) - -#define NUM_IRQ_VECTOR 6 // IRQ number -#define NUM_FIQ_VECTOR 7 // IRQ number - // // -#define CPSR_IRQ_DISABLE 0x80 // FIQ disabled when =1 -#define CPSR_FIQ_DISABLE 0x40 // FIQ disabled when =1 -#define CPSR_THUMB_ENABLE 0x20 // Thumb mode when =1 -#define CPSR_FIQ_MODE 0x11 -#define CPSR_IRQ_MODE 0x12 -#define CPSR_SUPERVISOR_MODE 0x13 -#define CPSR_UNDEF_MODE 0x1B - -#define CPSR_MODE_BITS 0x1F - -/* - * 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) - -#define FUNCTION_THUMB_ENTRY(name) \ - .thumb; \ - .thumb_func; \ - .align 2; \ - .globl name; \ - .type name, %function; \ - name: - -#define FUNCTION_ENTRY(name) \ - .align 2; \ - .globl name; \ - .type name, %function; \ - name: - -#define FUNCTION_END(name) \ - .size name, . - name - -#if defined(ARM_MULTILIB_ARCH_V7M) - #define DEFINE_FUNCTION_ARM(name) \ - .thumb_func ; .globl name ; name: -#elif defined(__thumb__) - #define DEFINE_FUNCTION_ARM(name) \ - .thumb_func ; .globl name ; name: ; bx pc ; \ - .arm ; .globl name ## _arm ; name ## _arm: -#else - #define DEFINE_FUNCTION_ARM(name) \ - .globl name ; name: ; .globl name ## _arm ; name ## _arm: -#endif - -.macro SWITCH_FROM_THUMB_TO_ARM -#ifdef __thumb__ -.align 2 - bx pc -.arm -#endif /* __thumb__ */ -.endm - -.macro SWITCH_FROM_ARM_TO_THUMB REG -#ifdef __thumb__ - add \REG, pc, #1 - bx \REG -.thumb -#endif /* __thumb__ */ -.endm - -.macro GET_SELF_CPU_CONTROL REG, TMP - ldr \REG, =_Per_CPU_Information -#ifdef RTEMS_SMP - /* Use ARMv7 Multiprocessor Affinity Register (MPIDR) */ - mrc p15, 0, \TMP, c0, c0, 5 - - and \TMP, \TMP, #0xff - add \REG, \REG, \TMP, asl #PER_CPU_CONTROL_SIZE_LOG2 -#endif -.endm - -/** @} */ - -#endif /* _RTEMS_ASM_H */ |