Last change
on this file since 499 was
444,
checked in by satin@…, 7 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
1.5 KB
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1 | /* crt0.S -- startup file for FT32 |
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2 | * |
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3 | * Copyright (c) 2015 FTDI |
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4 | * |
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5 | * The authors hereby grant permission to use, copy, modify, distribute, |
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6 | * and license this software and its documentation for any purpose, provided |
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7 | * that existing copyright notices are retained in all copies and that this |
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8 | * notice is included verbatim in any distributions. No written agreement, |
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9 | * license, or royalty fee is required for any of the authorized uses. |
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10 | * Modifications to this software may be copyrighted by their authors |
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11 | * and need not follow the licensing terms described here, provided that |
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12 | * the new terms are clearly indicated on the first page of each file where |
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13 | * they apply. |
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14 | */ |
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15 | |
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16 | .globl __start |
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17 | .weak _start |
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18 | .text |
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19 | .type __start,@function |
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20 | |
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21 | __start: |
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22 | _start: |
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23 | |
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24 | jmp truestart |
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25 | jmp truestart |
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26 | |
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27 | reti |
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28 | reti |
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29 | reti |
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30 | reti |
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31 | reti |
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32 | reti |
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33 | reti |
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34 | reti |
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35 | reti |
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36 | reti |
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37 | reti |
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38 | reti |
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39 | reti |
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40 | reti |
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41 | reti |
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42 | reti |
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43 | reti |
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44 | reti |
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45 | reti |
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46 | reti |
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47 | reti |
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48 | reti |
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49 | reti |
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50 | reti |
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51 | reti |
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52 | reti |
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53 | reti |
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54 | reti |
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55 | reti |
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56 | reti |
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57 | reti |
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58 | reti |
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59 | |
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60 | truestart: |
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61 | ldk.l $sp, 0xfffc /* set the top of stack */ |
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62 | ldk.l $fp,0 /* zero fp to allow unwinders to stop */ |
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63 | |
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64 | /* Set argc and argv to zero */ |
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65 | ldk.l $r0, 0 |
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66 | ldk.l $r1, 0 |
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67 | |
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68 | sub.l $sp,$sp,24 # room for the args to main |
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69 | call main |
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70 | call exit |
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71 | |
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72 | .Lend: |
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73 | .size __start,(.Lend-__start) |
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