atmacro.s90

移植到Atmega8515的uc/os,可应用于一些低端产品

;********************************************************************************************************
;                                               uC/OS-II
;                                         The Real-Time Kernel
;
;                                     AVR Specific assembler macros
;                                      (IAR A90 V1.30 or later)
;
;
; File     : ATMACRO.S90
; By       : Ole Saether
;
; $Modtime: 12.06.01 16:55 $
; $Revision: 1 $
;
;********************************************************************************************************
;                                         MACROS
;********************************************************************************************************

PUSHRS          MACRO                               ; Save all registers except R28 and R29 
                ST      -Y,R0
                ST      -Y,R1
                ST      -Y,R2
                ST      -Y,R3
                ST      -Y,R4
                ST      -Y,R5
                ST      -Y,R6
                ST      -Y,R7
                ST      -Y,R8
                ST      -Y,R9
                ST      -Y,R10
                ST      -Y,R11
                ST      -Y,R12
                ST      -Y,R13
                ST      -Y,R14
                ST      -Y,R15
                ST      -Y,R16
                ST      -Y,R17
                ST      -Y,R18
                ST      -Y,R19
                ST      -Y,R20
                ST      -Y,R21
                ST      -Y,R22
                ST      -Y,R23
                ST      -Y,R24
                ST      -Y,R25
                ST      -Y,R26
                ST      -Y,R27
                ST      -Y,R30
                ST      -Y,R31
                ENDM

POPRS           MACRO                               ; Restore all registers except R28 and R29
                LD      R31,Y+
                LD      R30,Y+
                LD      R27,Y+
                LD      R26,Y+
                LD      R25,Y+
                LD      R24,Y+
                LD      R23,Y+
                LD      R22,Y+
                LD      R21,Y+
                LD      R20,Y+
                LD      R19,Y+
                LD      R18,Y+
                LD      R17,Y+
                LD      R16,Y+
                LD      R15,Y+
                LD      R14,Y+
                LD      R13,Y+
                LD      R12,Y+
                LD      R11,Y+
                LD      R10,Y+
                LD      R9,Y+
                LD      R8,Y+
                LD      R7,Y+
                LD      R6,Y+
                LD      R5,Y+
                LD      R4,Y+
                LD      R3,Y+
                LD      R2,Y+
                LD      R1,Y+
                LD      R0,Y+
                ENDM

PUSHSP          MACRO                               ; Save stack pointer
                IN      R16,SPH
                ST      -Y,R16
                IN      R16,SPL
                ST      -Y,R16
                ENDM

POPSP           MACRO                               ; Restore stack pointer
                LD      R16,Y+
                OUT     SPL,R16
                LD      R16,Y+
                OUT     SPH,R16
                ENDM

PUSHSREG        MACRO                               ; Save status register
                IN      R16,SREG
                ST      -Y,R16
                ENDM

POPSREG         MACRO                               ; Restore status registers
                LD      R16,Y+
                OUT     SREG,R16
                ENDM