ucos_ii在mega128上的移植
源代码在线查看: avrvect.s
;AVRvect.S
;AVR vectors
#include
;*************************************************************************************************************
;OS_EXT INT8U OSIntNesting; /* Interrupt nesting level */
.extern OSIntNesting
.extern OSTimeTick
.extern OSIntExit
;*************************************************************************************************************
.macro PUSHREGS
push r31
push r30
push r29
push r28
push r27
push r26
push r25
push r24
push r23
push r22
push r21
push r20
push r19
push r18
push r17
push r16
push r15
push r14
push r13
push r12
push r11
push r10
push r9
push r8
push r7
push r6
push r5
push r4
push r3
push r2
push r1
push r0
.endm
.macro POPREGS
pop r0
pop r1
pop r2
pop r3
pop r4
pop r5
pop r6
pop r7
pop r8
pop r9
pop r10
pop r11
pop r12
pop r13
pop r14
pop r15
pop r16
pop r17
pop r18
pop r19
pop r20
pop r21
pop r22
pop r23
pop r24
pop r25
pop r26
pop r27
pop r28
pop r29
pop r30
pop r31
.endm
;*************************************************************************************************************
.text
.global SIG_INTERRUPT0
SIG_INTERRUPT0:
PUSHREGS
in r16,_SFR_IO_ADDR(SREG)
ori r16,0x80
push r16
lds r16,OSIntNesting
inc r16
sts OSIntNesting,r16
.extern IsrEint0
call IsrEint0
call OSIntExit
pop r0
out _SFR_IO_ADDR(SREG),r0
POPREGS
reti
;*************************************************************************************************************
.global SIG_INTERRUPT1
SIG_INTERRUPT1:
PUSHREGS
in r16,_SFR_IO_ADDR(SREG)
ori r16,0x80
push r16
lds r16,OSIntNesting
inc r16
sts OSIntNesting,r16
.extern IsrEint1
call IsrEint1
call OSIntExit
pop r0
out _SFR_IO_ADDR(SREG),r0
POPREGS
reti
;*************************************************************************************************************
;*************************************************************************************************************
.end