Last change
on this file since 444 was
444,
checked in by satin@…, 6 years ago
|
add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
722 bytes
|
Rev | Line | |
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[444] | 1 | #include "m68kasm.h" |
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| 2 | |
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| 3 | .global SYM (setjmp) |
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| 4 | .global SYM (longjmp) |
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| 5 | |
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| 6 | SYM (setjmp): |
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| 7 | moveal sp@(4),a0 |
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| 8 | movel sp@(0),a0@(12) |
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| 9 | movel sp,a0@(8) |
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| 10 | moveml d2-d7/a2-a6,a0@(20) |
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| 11 | clrl d0 |
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| 12 | rts |
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| 13 | |
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| 14 | SYM (longjmp): |
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| 15 | moveal sp@(4),a0 |
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| 16 | movel sp@(8),d0 |
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| 17 | bne 1f |
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| 18 | movel &1,d0 |
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| 19 | 1: |
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| 20 | moveml a0@(20),d2-d7/a2-a6 |
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| 21 | moveal a0@(8),sp |
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| 22 | movel a0@(12),sp@ |
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| 23 | rts |
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| 24 | |
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| 25 | #ifdef M68881 |
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| 26 | .global SYM (setjmp_68881) |
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| 27 | .global SYM (longjmp_68881) |
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| 28 | |
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| 29 | SYM (setjmp_68881): |
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| 30 | moveal sp@(4),a0 |
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| 31 | movel sp@(0),a0@(12) |
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| 32 | movel sp,a0@(8) |
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| 33 | moveml d2-d7/a2-a6,a0@(20) |
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| 34 | fmovemx fp2-fp7,a0@(64) |
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| 35 | clrl d0 |
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| 36 | rts |
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| 37 | |
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| 38 | SYM (longjmp_68881): |
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| 39 | moveal sp@(4),a0 |
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| 40 | fmovemx a0@(64),fp2-fp7 |
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| 41 | movel sp@(8),d0 |
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| 42 | bne 1f |
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| 43 | movel &1,d0 |
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| 44 | 1: |
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| 45 | moveml a0@(20),d2-d7/a2-a6 |
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| 46 | moveal a0@(8),sp |
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| 47 | movel a0@(12),sp@ |
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| 48 | rts |
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| 49 | #endif |
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