Last change
on this file since 444 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
1.4 KB
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1 | /* setjmp/longjmp routines. |
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2 | * |
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3 | * Written by Michael Hayes <m.hayes@elec.canterbury.ac.nz>. |
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4 | * |
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5 | * The author 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 | .sect .text |
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17 | .global setjmp |
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18 | .global longjmp |
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19 | |
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20 | setjmp: |
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21 | pop r1 |
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22 | ldi sp, ar0 |
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23 | #ifndef _REGPARM |
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24 | ldi *ar0, ar2 |
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25 | #endif |
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26 | |
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27 | sti r4, *ar2++ |
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28 | sti r5, *ar2++ |
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29 | stf r6, *ar2++ |
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30 | stf r7, *ar2++ |
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31 | #ifdef _TMS320C4x |
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32 | sti r8, *ar2++ |
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33 | #endif |
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34 | sti ar3, *ar2++ |
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35 | sti ar4, *ar2++ |
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36 | sti ar5, *ar2++ |
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37 | sti ar6, *ar2++ |
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38 | sti ar7, *ar2++ |
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39 | bd r1 |
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40 | sti r1, *ar2++ |
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41 | sti ar0, *ar2 |
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42 | ldi 0, r0 |
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43 | |
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44 | |
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45 | longjmp: |
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46 | #ifndef _REGPARM |
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47 | ldi sp, ar0 |
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48 | ldi *-ar0(1), ar2 |
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49 | ldi *-ar0(2), r0 |
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50 | ldiz 1, r0 |
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51 | #else |
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52 | ldi r2, r0 |
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53 | ldiz 1, r0 |
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54 | #endif |
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55 | |
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56 | ldi *ar2++, r4 |
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57 | ldi *ar2++, r5 |
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58 | ldf *ar2++, r6 |
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59 | ldf *ar2++, r7 |
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60 | #ifdef _TMS320C4x |
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61 | ldi *ar2++, r8 |
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62 | #endif |
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63 | ldi *ar2++, ar3 |
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64 | ldi *ar2++, ar4 |
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65 | ldi *ar2++, ar5 |
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66 | ldi *ar2++, ar6 |
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67 | ldi *ar2++, ar7 |
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68 | ldi *ar2++, r1 |
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69 | ldi *ar2, sp |
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70 | |
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71 | b r1 |
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72 | .end |
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73 | |
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74 | |
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75 | |
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