diff options
Diffstat (limited to 'libgloss/moxie/crt0.S')
| -rw-r--r-- | libgloss/moxie/crt0.S | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libgloss/moxie/crt0.S b/libgloss/moxie/crt0.S new file mode 100644 index 000000000..e7c64a68b --- /dev/null +++ b/libgloss/moxie/crt0.S @@ -0,0 +1,40 @@ +/* crt0.S -- startup file for moxie + * + * Copyright (c) 2008 Anthony Green + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + + .globl __start + .weak _start + .text + .type __start,@function +__start: +_start: + ldi.l $sp, _stack /* load up stack pointer */ + ldi.l $fp, 0x0 /* zero fp to allow unwinders to stop */ + + /* zero the bss area */ + /* TODO */ + /* call memset */ + + /* Call _init to invoke static constructors, etc. */ + jsra _init + + /* Set argc and argv. These are populated by the simulator. */ + lda.l $r0, 0x4 + ldi.l $r1, 0x8 + + jsra main + jsra exit + +.Lend: + .size __start,(.Lend-__start) |