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* m32c/varvects.S: New.

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* m32c/varvects.h: New.
* m32c/sample.c: New.
* m32c/Makefile.in: Add m32cgloss library support.
* m32c/crt0.S: Tweaks to support interrupts by default.
* m32c/m32c.tmpl: Likewise.
This commit is contained in:
DJ Delorie
2008-09-24 23:29:38 +00:00
parent a890f63b33
commit 5025fc547d
7 changed files with 300 additions and 10 deletions
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15
libgloss/m32c/crt0.S
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@ -1,6 +1,6 @@
/*
Copyright (c) 2005 Red Hat Incorporated.
Copyright (c) 2005,2008 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
@ -42,12 +42,15 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define ALIGN 2
#endif
.section ".resetvec","ax",@progbits
.long _start
.text
.global _start
_start:
.LFB2:
fset U /* User stack */
fclr U /* One stack for user and interrupts */
ldc #__stack,sp
#ifdef A16
@ -72,6 +75,14 @@ _start:
mov.w #0,r0
sstr.w
#ifdef A16
ldc #%lo16(__var_vects),intbl
ldc #%hi16(__var_vects),intbh
#else
ldc #__var_vects,intb
#endif
fset I
jsr.a __m32c_init
jsr.a _main