Refactor switch context ASM files to comply to Wizard.

[bertos.git] / bertos / cpu / avr / hw / switch_avr.S

diff --git a/bertos/cpu/avr/hw/switch_avr.S b/bertos/cpu/avr/hw/switch_avr.S
index 93892919ff483d5bdae0a915042c2fd799c00605..e6d0edfa4875ed6010e849b161b8b0dfddcfc16f 100644 (file)
--- a/bertos/cpu/avr/hw/switch_avr.S
+++ b/bertos/cpu/avr/hw/switch_avr.S
@@ -1,135 +1,2 @@
-/*!
- * \file
- * <!--
- * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
- * Copyright 1999,2000,2001 Bernardo Innocenti <bernie@develer.com>
- * This file is part of DevLib - See devlib/README for information.
- * -->
- *
- * \brief AVR context switch
- *
- * \version $Id$
- *
- * \author Bernardo Innocenti <bernie@develer.com>
- * \author Stefano Fedrigo <aleph@develer.com>
- */
-
-#include <avr/io.h>
-
-/*
- * NOTE: At each change of this function affecting proc.c
- * (i.e. arguments, data stored in the stack) bump up version
- * number in asm_switch_version().
- */
-
-/* void asm_switch_context(void **new_sp, void **save_sp) */
-.globl asm_switch_context
-asm_switch_context:
-
-;      r0 is the TEMP REG and can be used freely.
-;      r1 is the ZERO REG and must always contain 0.
-;
-;      Stack frame is 19 byte, remember to update
-;      CPU_SAVED_REGS_CNT if you change pushed regs.
-
-       in      r0,SREG-__SFR_OFFSET
-       push    r0
-;      push    r1      ;zero-reg
-       push    r2
-       push    r3
-       push    r4
-       push    r5
-       push    r6
-       push    r7
-       push    r8
-       push    r9
-       push    r10
-       push    r11
-       push    r12
-       push    r13
-       push    r14
-       push    r15
-       push    r16
-       push    r17
-;      push    r18     ;caller-save
-;      push    r19     ;caller-save
-;      push    r20     ;caller-save
-;      push    r21     ;caller-save
-;      push    r22     ;caller-save
-;      push    r23     ;caller-save
-;      push    r24     ;caller-save
-;      push    r25     ;caller-save
-;      push    r26     ;caller-save
-;      push    r27     ;caller-save
-       push    r28
-       push    r29
-;      push    r30     ;caller-save
-;      push    r31     ;caller-save
-
-;      First parameter (new_sp) is in r24:r25, second (save_sp) in r22:r23
-
-       in      r18,SPL-__SFR_OFFSET    ; r18:r19 = SP
-       in      r19,SPH-__SFR_OFFSET
-       movw    r26,r22                 ; X = save_sp
-       st      X+,r18                  ; *save_sp = SP
-       st      X,r19
-       movw    r26,r24                 ; X = new_sp
-       ld      r18,X+
-       ld      r19,X
-
-;      Set new stack pointer.
-;      AVR is an 8 bit processor so
-;      care must be taken when updating
-;      SP that is a 16 bit reg.
-;      Two instructions are required to update SP
-;      so an IRQ can sneak in between them.
-;      So IRQ *MUST* be disabled and then restored.
-       cli                             ; Disable interrupt
-       out     SPL-__SFR_OFFSET,r18    ; SP = *new_sp
-       out     SPH-__SFR_OFFSET,r19
-       out     SREG-__SFR_OFFSET,r0    ; Restore previous IRQ state
-
-;      pop     r31     ;caller-save
-;      pop     r30     ;caller-save
-       pop     r29
-       pop     r28
-;      pop     r27     ;caller-save
-;      pop     r26     ;caller-save
-;      pop     r25     ;caller-save
-;      pop     r24     ;caller-save
-;      pop     r23     ;caller-save
-;      pop     r22     ;caller-save
-;      pop     r21     ;caller-save
-;      pop     r20     ;caller-save
-;      pop     r19     ;caller-save
-;      pop     r18     ;caller-save
-       pop     r17
-       pop     r16
-       pop     r15
-       pop     r14
-       pop     r13
-       pop     r12
-       pop     r11
-       pop     r10
-       pop     r9
-       pop     r8
-       pop     r7
-       pop     r6
-       pop     r5
-       pop     r4
-       pop     r3
-       pop     r2
-;      pop     r1      ;zero-reg
-       pop     r0
-       out     SREG-__SFR_OFFSET,r0
-
-       ret
-
-
-/* int asm_switch_version(void) */
-.globl asm_switch_version
-asm_switch_version:
-       ldi r24,lo8(1)
-       ldi r25,hi8(1)
-       ret
-
+#warning This file is deprecated, use switch_ctx_avr.S
+#include "switch_ctx_avr.S"