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save and restore registers at entry/exit of functions (detected with GCC 3)

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This commit is contained in:
Laurent Vivier 2005-06-01 23:26:24 +00:00
parent c874bd5250
commit 4e40550c9f
2 changed files with 9 additions and 2 deletions
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4
second/MMU030_asm.S
View File

@ -1,6 +1,6 @@
/*
*
* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
* (c) 2004,2005 Laurent Vivier <LaurentVivier@wanadoo.fr>
*
*/
@ -126,6 +126,7 @@ MMU030_read_phys:
.global MMU030_write_phys
MMU030_write_phys:
link.w %fp,#-8
move.l %d2,%sp@-
/* get the address to read */
@ -169,5 +170,6 @@ MMU030_write_phys:
move %d1, %sr
move.l (%sp)+, %d1
move.l %sp@+, %d2
unlk %fp
rts

7
second/glue.S
View File

@ -1,6 +1,6 @@
/*
*
* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
* (c) 2004,2005 Laurent Vivier <LaurentVivier@wanadoo.fr>
*
* Some parts from libgcc routines for 68000 w/o floating-point hardware.
* Copyright (C) 1994, 1996, 1997, 1998 Free Software Foundation, Inc.
@ -164,6 +164,7 @@ glue_display_properties:
*/
link.w %a6,#-4
movem.l %a2-%a4, %sp@-
movm.l #0x3c,-(%sp)
move.l 28(%a6),%a3 /* unsigned long *video */
@ -287,11 +288,13 @@ cmpa.l #0, %a0
.exit:
movm.l (%sp)+,#0x3c00
movem.l %sp@+, %a2-%a4
unlk %a6
moveq.l #0, %d0
rts
.exit_error:
movm.l (%sp)+,#0x3c00
movem.l %sp@+, %a2-%a4
unlk %a6
moveq.l #-1, %d0
rts
@ -482,6 +485,7 @@ SCSIRead:
.global SCSIComplete
SCSIComplete:
link %fp, #0
move.l %d2, %sp@-
move.l %d0, -(%sp)
move.l 8(%fp), %d0 /* stat */
move.l 12(%fp), %d1 /* message */
@ -491,6 +495,7 @@ SCSIComplete:
move.l %d1, -(%sp)
move.l %d2, -(%sp)
SCSIDispatch(_SCSIComplete)
move.l %sp@+, %d2
unlk %fp
rts