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Diffstat (limited to 'libgloss/ft32/crt0.S')
| -rw-r--r-- | libgloss/ft32/crt0.S | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/libgloss/ft32/crt0.S b/libgloss/ft32/crt0.S new file mode 100644 index 000000000..eb6f6a3e9 --- /dev/null +++ b/libgloss/ft32/crt0.S @@ -0,0 +1,73 @@ +/* crt0.S -- startup file for FT32 + * + * Copyright (c) 2015 FTDI + * + * 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: + + jmp truestart + jmp truestart + + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + reti + +truestart: + ldk.l $sp, 0xfffc /* set the top of stack */ + ldk.l $fp,0 /* zero fp to allow unwinders to stop */ + + /* Set argc and argv to zero */ + ldk.l $r0, 0 + ldk.l $r1, 0 + + sub.l $sp,$sp,24 # room for the args to main + call main + call exit + +.Lend: + .size __start,(.Lend-__start) |