Prepare for V2 port.
Richard Barry
17 years ago
parent
a2d86ba1fb
commit
1c3c04f121
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/*
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* File: mcf5xxx.s
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* Purpose: Lowest level routines for all ColdFire processors.
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*
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* Notes:
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*
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* File provided by FreeScale.
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*/
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.global french_cheese
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.text
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/********************************************************************
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* This routine is the lowest-level exception handler.
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*/
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/*
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asm_exception_handler:
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_asm_exception_handler:
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lea -16(SP),SP
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movem.l D0-D1/A0-A1,(SP)
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lea 16(SP),A1
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move.l A1,-(SP)
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jsr mcf5xxx_exception_handler
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lea 4(SP),SP
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movem.l (SP),D0-D1/A0-A1
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lea 16(SP),SP
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rte
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/********************************************************************/
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/*
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* This routines changes the IPL to the value passed into the routine.
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* It also returns the old IPL value back.
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* Calling convention from C:
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* old_ipl = asm_set_ipl(new_ipl);
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* For the Diab Data C compiler, it passes return value thru D0.
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* Note that only the least significant three bits of the passed
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* value are used.
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*/
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french_cheese:
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link A6,#-8
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movem.l D6-D7,(SP)
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move.w SR,D7 /* current sr */
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move.l D7,D0 /* prepare return value */
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andi.l #0x0700,D0 /* mask out IPL */
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lsr.l #8,D0 /* IPL */
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move.l 8(A6),D6 /* get argument */
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andi.l #0x07,D6 /* least significant three bits */
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lsl.l #8,D6 /* move over to make mask */
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andi.l #0x0000F8FF,D7 /* zero out current IPL */
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or.l D6,D7 /* place new IPL in sr */
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move.w D7,SR
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movem.l (SP),D6-D7
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lea 8(SP),SP
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unlk A6
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rts
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/********************************************************************/
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.end
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#if 0
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/*
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* File: mcf5xxx.s
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* Purpose: Lowest level routines for all ColdFire processors.
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*
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* Notes:
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*
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*/
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#define mcf5xxx_exception_handler _mcf5xxx_exception_handler
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.extern mcf5xxx_exception_handler
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//.global asm_exception_handler
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//.global _asm_exception_handler
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.global asm_set_ipl
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.global _asm_set_ipl
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.global mcf5xxx_exe_wdebug
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.global _mcf5xxx_exe_wdebug
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//.global mcf5xxx_wr_cacr
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//.global _mcf5xxx_wr_cacr
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.global mcf5xxx_wr_asid
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.global _mcf5xxx_wr_asid
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.global mcf5xxx_wr_acr0
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.global _mcf5xxx_wr_acr0
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.global mcf5xxx_wr_acr1
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.global _mcf5xxx_wr_acr1
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.global mcf5xxx_wr_acr2
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.global _mcf5xxx_wr_acr2
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.global mcf5xxx_wr_acr3
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.global _mcf5xxx_wr_acr3
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.global mcf5xxx_wr_mmubar
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.global _mcf5xxx_wr_mmubar
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.global mcf5xxx_wr_other_a7
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.global _mcf5xxx_wr_other_a7
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// .global mcf5xxx_wr_vbr
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// .global _mcf5xxx_wr_vbr
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.global mcf5xxx_wr_macsr
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.global _mcf5xxx_wr_macsr
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.global mcf5xxx_wr_mask
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.global _mcf5xxx_wr_mask
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.global mcf5xxx_wr_acc0
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.global _mcf5xxx_wr_acc0
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.global mcf5xxx_wr_accext01
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.global _mcf5xxx_wr_accext01
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.global mcf5xxx_wr_accext23
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.global _mcf5xxx_wr_accext23
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.global mcf5xxx_wr_acc1
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.global _mcf5xxx_wr_acc1
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.global mcf5xxx_wr_acc2
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.global _mcf5xxx_wr_acc2
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.global mcf5xxx_wr_acc3
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.global _mcf5xxx_wr_acc3
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.global mcf5xxx_wr_sr
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.global _mcf5xxx_wr_sr
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.global mcf5xxx_wr_pc
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.global _mcf5xxx_wr_pc
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.global mcf5xxx_wr_rombar0
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.global _mcf5xxx_wr_rombar0
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.global mcf5xxx_wr_rombar1
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.global _mcf5xxx_wr_rombar1
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.global mcf5xxx_wr_rambar0
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.global _mcf5xxx_wr_rambar0
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.global mcf5xxx_wr_rambar1
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.global _mcf5xxx_wr_rambar1
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.global mcf5xxx_wr_mpcr
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.global _mcf5xxx_wr_mpcr
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.global mcf5xxx_wr_secmbar
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.global _mcf5xxx_wr_secmbar
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.global mcf5xxx_wr_mbar
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.global _mcf5xxx_wr_mbar
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.text
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/********************************************************************
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* This routine is the lowest-level exception handler.
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*/
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/*
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asm_exception_handler:
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_asm_exception_handler:
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lea -16(SP),SP
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movem.l D0-D1/A0-A1,(SP)
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lea 16(SP),A1
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move.l A1,-(SP)
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jsr mcf5xxx_exception_handler
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lea 4(SP),SP
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movem.l (SP),D0-D1/A0-A1
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lea 16(SP),SP
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rte
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/********************************************************************/
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/*
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* This routines changes the IPL to the value passed into the routine.
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* It also returns the old IPL value back.
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* Calling convention from C:
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* old_ipl = asm_set_ipl(new_ipl);
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* For the Diab Data C compiler, it passes return value thru D0.
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* Note that only the least significant three bits of the passed
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* value are used.
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*/
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asm_set_ipl:
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_asm_set_ipl:
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link A6,#-8
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movem.l D6-D7,(SP)
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move.w SR,D7 /* current sr */
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move.l D7,D0 /* prepare return value */
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andi.l #0x0700,D0 /* mask out IPL */
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lsr.l #8,D0 /* IPL */
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move.l 8(A6),D6 /* get argument */
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andi.l #0x07,D6 /* least significant three bits */
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lsl.l #8,D6 /* move over to make mask */
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andi.l #0x0000F8FF,D7 /* zero out current IPL */
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or.l D6,D7 /* place new IPL in sr */
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move.w D7,SR
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movem.l (SP),D6-D7
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lea 8(SP),SP
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unlk A6
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rts
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/********************************************************************/
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/*
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* These routines execute special ColdFire instructions
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*/
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mcf5xxx_exe_wdebug:
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_mcf5xxx_exe_wdebug:
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move.l 4(sp),a0
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wdebug.l (a0)
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rts
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/********************************************************************/
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/*
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* These routines write to the special purpose registers in the ColdFire
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* core. Since these registers are write-only in the supervisor model,
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* no corresponding read routines exist.
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*/
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mcf5xxx_wr_sr:
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_mcf5xxx_wr_sr:
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move.l 4(SP),D0
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move.w D0,SR
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rts
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/*
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mcf5xxx_wr_cacr:
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_mcf5xxx_wr_cacr:
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move.l 4(SP),D0
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.long 0x4e7b0002 /* movec d0,cacr */
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/*
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nop
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rts
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*/
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mcf5xxx_wr_asid:
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_mcf5xxx_wr_asid:
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move.l 4(SP),D0
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.long 0x4e7b0003 /* movec d0,asid */
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nop
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rts
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mcf5xxx_wr_acr0:
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_mcf5xxx_wr_acr0:
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move.l 4(SP),D0
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.long 0x4e7b0004 /* movec d0,ACR0 */
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nop
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rts
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mcf5xxx_wr_acr1:
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_mcf5xxx_wr_acr1:
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move.l 4(SP),D0
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.long 0x4e7b0005 /* movec d0,ACR1 */
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nop
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rts
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mcf5xxx_wr_acr2:
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_mcf5xxx_wr_acr2:
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move.l 4(SP),D0
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.long 0x4e7b0006 /* movec d0,ACR2 */
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nop
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rts
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mcf5xxx_wr_acr3:
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_mcf5xxx_wr_acr3:
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move.l 4(SP),D0
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.long 0x4e7b0007 /* movec d0,ACR3 */
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nop
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rts
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mcf5xxx_wr_mmubar:
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_mcf5xxx_wr_mmubar:
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move.l 4(SP),D0
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.long 0x4e7b0008 /* movec d0,MBAR */
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nop
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rts
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mcf5xxx_wr_other_a7:
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_mcf5xxx_wr_other_a7:
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move.l 4(SP),D0
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.long 0x4e7b0800 /* movec d0,OTHER_A7 */
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nop
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rts
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/*
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mcf5xxx_wr_vbr:
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_mcf5xxx_wr_vbr:
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move.l 4(SP),D0
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.long 0x4e7b0801 /* movec d0,VBR */
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/*
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nop
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rts
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*/
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mcf5xxx_wr_macsr:
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_mcf5xxx_wr_macsr:
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move.l 4(SP),D0
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.long 0x4e7b0804 /* movec d0,MACSR */
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nop
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rts
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mcf5xxx_wr_mask:
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_mcf5xxx_wr_mask:
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move.l 4(SP),D0
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.long 0x4e7b0805 /* movec d0,MASK */
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nop
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rts
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mcf5xxx_wr_acc0:
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_mcf5xxx_wr_acc0:
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move.l 4(SP),D0
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.long 0x4e7b0806 /* movec d0,ACC0 */
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nop
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rts
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mcf5xxx_wr_accext01:
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_mcf5xxx_wr_accext01:
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move.l 4(SP),D0
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.long 0x4e7b0807 /* movec d0,ACCEXT01 */
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nop
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rts
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mcf5xxx_wr_accext23:
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_mcf5xxx_wr_accext23:
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move.l 4(SP),D0
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.long 0x4e7b0808 /* movec d0,ACCEXT23 */
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nop
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rts
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mcf5xxx_wr_acc1:
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_mcf5xxx_wr_acc1:
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move.l 4(SP),D0
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.long 0x4e7b0809 /* movec d0,ACC1 */
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nop
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rts
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mcf5xxx_wr_acc2:
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_mcf5xxx_wr_acc2:
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move.l 4(SP),D0
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.long 0x4e7b080A /* movec d0,ACC2 */
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nop
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rts
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mcf5xxx_wr_acc3:
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_mcf5xxx_wr_acc3:
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move.l 4(SP),D0
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.long 0x4e7b080B /* movec d0,ACC3 */
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nop
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rts
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mcf5xxx_wr_pc:
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_mcf5xxx_wr_pc:
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move.l 4(SP),D0
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.long 0x4e7b080F /* movec d0,PC */
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nop
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rts
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mcf5xxx_wr_rombar0:
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_mcf5xxx_wr_rombar0:
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move.l 4(SP),D0
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.long 0x4e7b0C00 /* movec d0,ROMBAR0 */
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nop
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rts
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mcf5xxx_wr_rombar1:
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_mcf5xxx_wr_rombar1:
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move.l 4(SP),D0
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.long 0x4e7b0C01 /* movec d0,ROMBAR1 */
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nop
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rts
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mcf5xxx_wr_rambar0:
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_mcf5xxx_wr_rambar0:
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move.l 4(SP),D0
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.long 0x4e7b0C04 /* movec d0,RAMBAR0 */
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nop
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rts
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mcf5xxx_wr_rambar1:
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_mcf5xxx_wr_rambar1:
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move.l 4(SP),D0
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.long 0x4e7b0C05 /* movec d0,RAMBAR1 */
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nop
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rts
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mcf5xxx_wr_mpcr:
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_mcf5xxx_wr_mpcr:
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move.l 4(SP),D0
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.long 0x4e7b0C0C /* movec d0,MPCR */
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nop
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rts
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mcf5xxx_wr_secmbar:
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_mcf5xxx_wr_secmbar:
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move.l 4(SP),D0
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.long 0x4e7b0C0E /* movec d0,MBAR1 */
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nop
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rts
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mcf5xxx_wr_mbar:
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_mcf5xxx_wr_mbar:
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move.l 4(SP),D0
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.long 0x4e7b0C0F /* movec d0,MBAR0 */
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nop
|
||||||
|
rts
|
||||||
|
|
||||||
|
/********************************************************************/
|
||||||
|
.end
|
||||||
|
|
||||||
|
#endif
|
||||||
@ -0,0 +1,70 @@
|
|||||||
|
/*
|
||||||
|
FreeRTOS.org V5.0.3 - Copyright (C) 2003-2008 Richard Barry.
|
||||||
|
|
||||||
|
This file is part of the FreeRTOS.org distribution.
|
||||||
|
|
||||||
|
FreeRTOS.org is free software; you can redistribute it and/or modify
|
||||||
|
it under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation; either version 2 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
FreeRTOS.org is distributed in the hope that it will be useful,
|
||||||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
GNU General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with FreeRTOS.org; if not, write to the Free Software
|
||||||
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||||
|
|
||||||
|
A special exception to the GPL can be applied should you wish to distribute
|
||||||
|
a combined work that includes FreeRTOS.org, without being obliged to provide
|
||||||
|
the source code for any proprietary components. See the licensing section
|
||||||
|
of http://www.FreeRTOS.org for full details of how and when the exception
|
||||||
|
can be applied.
|
||||||
|
|
||||||
|
***************************************************************************
|
||||||
|
***************************************************************************
|
||||||
|
* *
|
||||||
|
* SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, *
|
||||||
|
* and even write all or part of your application on your behalf. *
|
||||||
|
* See http://www.OpenRTOS.com for details of the services we provide to *
|
||||||
|
* expedite your project. *
|
||||||
|
* *
|
||||||
|
***************************************************************************
|
||||||
|
***************************************************************************
|
||||||
|
|
||||||
|
Please ensure to read the configuration and relevant port sections of the
|
||||||
|
online documentation.
|
||||||
|
|
||||||
|
http://www.FreeRTOS.org - Documentation, latest information, license and
|
||||||
|
contact details.
|
||||||
|
|
||||||
|
http://www.SafeRTOS.com - A version that is certified for use in safety
|
||||||
|
critical systems.
|
||||||
|
|
||||||
|
http://www.OpenRTOS.com - Commercial support, development, porting,
|
||||||
|
licensing and training services.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* Kernel includes. */
|
||||||
|
|
||||||
|
#include "FreeRTOS.h"
|
||||||
|
#include "task.h"
|
||||||
|
|
||||||
|
|
||||||
|
portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE * pxTopOfStack, pdTASK_CODE pxCode, void *pvParameters )
|
||||||
|
{
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
portBASE_TYPE xPortStartScheduler( void )
|
||||||
|
{
|
||||||
|
}
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
void vPortEndScheduler( void )
|
||||||
|
{
|
||||||
|
}
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
@ -0,0 +1,135 @@
|
|||||||
|
/*
|
||||||
|
FreeRTOS.org V5.0.3 - Copyright (C) 2003-2008 Richard Barry.
|
||||||
|
|
||||||
|
This file is part of the FreeRTOS.org distribution.
|
||||||
|
|
||||||
|
FreeRTOS.org is free software; you can redistribute it and/or modify
|
||||||
|
it under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation; either version 2 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
FreeRTOS.org is distributed in the hope that it will be useful,
|
||||||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
GNU General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with FreeRTOS.org; if not, write to the Free Software
|
||||||
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||||
|
|
||||||
|
A special exception to the GPL can be applied should you wish to distribute
|
||||||
|
a combined work that includes FreeRTOS.org, without being obliged to provide
|
||||||
|
the source code for any proprietary components. See the licensing section
|
||||||
|
of http://www.FreeRTOS.org for full details of how and when the exception
|
||||||
|
can be applied.
|
||||||
|
|
||||||
|
***************************************************************************
|
||||||
|
***************************************************************************
|
||||||
|
* *
|
||||||
|
* SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, *
|
||||||
|
* and even write all or part of your application on your behalf. *
|
||||||
|
* See http://www.OpenRTOS.com for details of the services we provide to *
|
||||||
|
* expedite your project. *
|
||||||
|
* *
|
||||||
|
***************************************************************************
|
||||||
|
***************************************************************************
|
||||||
|
|
||||||
|
Please ensure to read the configuration and relevant port sections of the
|
||||||
|
online documentation.
|
||||||
|
|
||||||
|
http://www.FreeRTOS.org - Documentation, latest information, license and
|
||||||
|
contact details.
|
||||||
|
|
||||||
|
http://www.SafeRTOS.com - A version that is certified for use in safety
|
||||||
|
critical systems.
|
||||||
|
|
||||||
|
http://www.OpenRTOS.com - Commercial support, development, porting,
|
||||||
|
licensing and training services.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef PORTMACRO_H
|
||||||
|
#define PORTMACRO_H
|
||||||
|
|
||||||
|
/* System include files */
|
||||||
|
#include <plib.h>
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
extern "C" {
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/*-----------------------------------------------------------
|
||||||
|
* Port specific definitions.
|
||||||
|
*
|
||||||
|
* The settings in this file configure FreeRTOS correctly for the
|
||||||
|
* given hardware and compiler.
|
||||||
|
*
|
||||||
|
* These settings should not be altered.
|
||||||
|
*-----------------------------------------------------------
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* Type definitions. */
|
||||||
|
#define portCHAR char
|
||||||
|
#define portFLOAT float
|
||||||
|
#define portDOUBLE double
|
||||||
|
#define portLONG long
|
||||||
|
#define portSHORT short
|
||||||
|
#define portSTACK_TYPE unsigned long
|
||||||
|
#define portBASE_TYPE long
|
||||||
|
|
||||||
|
#if( configUSE_16_BIT_TICKS == 1 )
|
||||||
|
typedef unsigned portSHORT portTickType;
|
||||||
|
#define portMAX_DELAY ( portTickType ) 0xffff
|
||||||
|
#else
|
||||||
|
typedef unsigned portLONG portTickType;
|
||||||
|
#define portMAX_DELAY ( portTickType ) 0xffffffff
|
||||||
|
#endif
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
/* Hardware specifics. */
|
||||||
|
#define portBYTE_ALIGNMENT 4
|
||||||
|
#define portSTACK_GROWTH -4
|
||||||
|
#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
#define portDISABLE_INTERRUPTS()
|
||||||
|
#define portENABLE_INTERRUPTS()
|
||||||
|
|
||||||
|
|
||||||
|
extern void vTaskEnterCritical( void );
|
||||||
|
extern void vTaskExitCritical( void );
|
||||||
|
#define portENTER_CRITICAL() vPortEnterCritical()
|
||||||
|
#define portEXIT_CRITICAL() vPortExitCritical()
|
||||||
|
|
||||||
|
extern unsigned portBASE_TYPE uxPortSetInterruptMaskFromISR();
|
||||||
|
extern void vPortClearInterruptMaskFromISR( unsigned portBASE_TYPE );
|
||||||
|
#define portSET_INTERRUPT_MASK_FROM_ISR() uxPortSetInterruptMaskFromISR()
|
||||||
|
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusRegister ) vPortClearInterruptMaskFromISR( uxSavedStatusRegister )
|
||||||
|
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
/* Task utilities. */
|
||||||
|
|
||||||
|
#define portYIELD()
|
||||||
|
|
||||||
|
|
||||||
|
#define portNOP() asm volatile ( "nop" )
|
||||||
|
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
/* Task function macros as described on the FreeRTOS.org WEB site. */
|
||||||
|
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) __attribute__((noreturn))
|
||||||
|
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
||||||
|
/*-----------------------------------------------------------*/
|
||||||
|
|
||||||
|
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) \
|
||||||
|
{ \
|
||||||
|
portYIELD(); \
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif /* PORTMACRO_H */
|
||||||
|
|
||||||
Loading…
Reference in New Issue