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authorJeff Johnston <jjohnstn@redhat.com>2009-12-10 17:07:04 +0000
committerJeff Johnston <jjohnstn@redhat.com>2009-12-10 17:07:04 +0000
commite6291536c7060db2c95b556434b2d41aecf5fba5 (patch)
tree0f265e068f9fff5e1705a5d9b5dcfbdb99801164 /libgloss/xc16x/crt0.S
parentd0f9de23a19f0cf588a848a2d7fa9c4c73f4c8eb (diff)
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2009-12-10 Conny Marco Menebrocker <c-m-m@gmx.de>
* configure.in: Add xc16x support. * configure: Regenerated. * xc16x/Makefile.in: New file for xc16x port. * xc16x/aclocal.m4: Ditto. * xc16x/close.S: Ditto. * xc16x/configure: Ditto. * xc16x/configure.in: Ditto. * xc16x/create.c: Ditto. * xc16x/crt0.S: Ditto. * xc16x/fstat.S: Ditto. * xc16x/getchar1.c: Ditto. * xc16x/isatty.c: Ditto. * xc16x/lseek.c: Ditto. * xc16x/mem-layout.c: Ditto. * xc16x/misc.c: Ditto. * xc16x/open.c: Ditto. * xc16x/read.c: Ditto. * xc16x/sbrk.c: Ditto. * xc16x/syscalls.c: Ditto. * xc16x/trap_handle.c: Ditto. * xc16x/write.c: Ditto. * xc16x/sys/syscall.h: Ditto.
Diffstat (limited to 'libgloss/xc16x/crt0.S')
-rw-r--r--libgloss/xc16x/crt0.S41
1 files changed, 41 insertions, 0 deletions
diff --git a/libgloss/xc16x/crt0.S b/libgloss/xc16x/crt0.S
new file mode 100644
index 000000000..0186f4740
--- /dev/null
+++ b/libgloss/xc16x/crt0.S
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2006 KPIT Cummins
+ * Copyright (C) 2009 Conny Marco Menebröcker
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms is permitted
+ * provided that the above copyright notice and following paragraph are
+ * duplicated in all such forms.
+ *
+ * This file is distributed WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ */
+ .section .text
+ .global _start
+ .align 2
+_start:
+ #if __xc16xL__
+ mov dpp0,#0x2
+ #else
+ mov dpp0,#0x300
+ #endif
+ mov dpp1,#1
+ mov dpp2,#2
+ mov dpp3,#3
+ mov sp,#0xfc00
+ mov r0,#0xc000
+ #if __xc16x__
+ mov csp,#0x0
+ mov dpp0,#0x0
+ #else
+ mov csp,#0xc0
+ #endif
+
+#if __xc16xL__
+calls #SEG:_main,#SOF:_main
+#else
+calla cc_UC,_main
+#endif
+ mov r8,#0x0
+ trap #0
+ret