vecs.asm

ti_dsp_6000系列,开发环境ccs3.1 6000系列uart的使用

; ************************************************************************
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; ************************************************************************ 
; FILENAME...... vecs.asm 
; DATE CREATED.. 02/22/2001 
; ************************************************************************ 
; Global symbols defined here and exported out of this file

  .global _vectors
  .global _vector0
  .global _vector1
  .global _vector2
  .global _vector3
  .global _vector4
  .global _vector5
  .global _vector6
  .global _vector7
  .global _c_int08 ; Hookup the c_int08 ISR in main() for EDMA
  .global _c_int09 ; Hookup the c_int09 ISR in main() for DMA
  .global _vector10
  .global _c_int11 ; Hookup the c_int09 ISR in main() for DMA
  .global _vector12
  .global _vector13
  .global _vector14
  .global _vector15

; ************************************************************************ 
; Global symbols referenced in this file but defined somewhere else.
; Remember that your interrupt service routines need to be referenced here.
; ************************************************************************ 

  .ref _c_int00

; ************************************************************************ 
; This is a mcros that instantiates one entry in the inetrrupt service table.
; ************************************************************************ 

VEC_ENTRY .macro addr
  STW 	B0,*--B15
  MVKL 	addr,B0
  MVKH 	addr,B0
  B 	B0
  LDW 	*B15++,B0
  NOP 	2
  NOP
  NOP
  .endm
  
; ************************************************************************ 
; This is a dummy interrupt service routine used to initialize the IST.
; ************************************************************************ 

_vec_dummy:
  B 	B3
  NOP 	5
  
; ************************************************************************ 
; This is the actual interrupt service table (IST). It is properly aligned and
; is located in the subsection .text:vecs. This means if you don抰 explicitly
; specify this section in your linker command file, it will default and link 
; into the .text section. Remember to set the ISTP register to point to this 
; table. 
; ************************************************************************ 

  .sect ".text:vecs"
  .align 1024
  
_vectors:
_vector0: VEC_ENTRY _vec_dummy
_vector1: VEC_ENTRY _vec_dummy
_vector2: VEC_ENTRY _vec_dummy
_vector3: VEC_ENTRY _vec_dummy
_vector4: VEC_ENTRY _vec_dummy
_vector5: VEC_ENTRY _vec_dummy
_vector6: VEC_ENTRY _vec_dummy
_vector7: VEC_ENTRY _vec_dummy
_vector8: VEC_ENTRY _c_int08 ; Hookup the c_int08 ISR in main() for EDMA
_vector9: VEC_ENTRY _c_int09 ; Hookup the c_int09 ISR in main() for DMA
_vector10: VEC_ENTRY _vec_dummy
_vector11: VEC_ENTRY _c_int11 ; Hookup the c_int09 ISR in main() for DMA
_vector12: VEC_ENTRY _vec_dummy
_vector13: VEC_ENTRY _vec_dummy
_vector14: VEC_ENTRY _vec_dummy
_vector15: VEC_ENTRY _vec_dummy

; ************************************************************************ 
; *******************************End of vecs.asm**************************
; ************************************************************************