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annotate runtime.S @ 546:90aca661542b

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Make references to flags in the M68K core respect the flag_regs options array so that flags can be moved out of registers for the 32-bit port. set/get ccr/sr still need to be updated to support this, but everything else should be done.
author Michael Pavone <pavone@retrodev.com>
date Mon, 17 Feb 2014 19:58:37 -0800
parents 67cf0ce57d8d
children 3090d016c9e9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
17
de0085d4ea40 Add asssembly runtime code stub
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1
485
b449af228c63 Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
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2
176
e2918b5208eb Print a message when we try to run an invalid instruction, not when we try to translate it
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diff changeset
3 invalid_msg:
e2918b5208eb Print a message when we try to run an invalid instruction, not when we try to translate it
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4 .asciz "Invalid instruction at %X\n"
485
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5
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e2918b5208eb Print a message when we try to run an invalid instruction, not when we try to translate it
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6 .global m68k_invalid
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7 m68k_invalid:
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8 lea invalid_msg(%rip), %rdi
e2918b5208eb Print a message when we try to run an invalid instruction, not when we try to translate it
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9 mov %ecx, %esi
e2918b5208eb Print a message when we try to run an invalid instruction, not when we try to translate it
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10 xor %rax, %rax
e2918b5208eb Print a message when we try to run an invalid instruction, not when we try to translate it
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11 call printf
e2918b5208eb Print a message when we try to run an invalid instruction, not when we try to translate it
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12 mov $1, %rdi
e2918b5208eb Print a message when we try to run an invalid instruction, not when we try to translate it
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diff changeset
13 call exit
194
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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14
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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15 .global bcd_add
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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16 bcd_add:
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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17 xchg %rax, %rdi
485
b449af228c63 Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
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18
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19 mov %cl, %ch
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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20 mov %al, %ah
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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21 and $0xF, %ch
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22 and $0xF, %ah
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23 and $0xF0, %cl
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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24 and $0xF0, %al
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25 add %ah, %ch
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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26 cmp $10, %ch
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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27 jb no_adjust
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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28 add $6, %ch
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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29 no_adjust:
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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30 add %ch, %al
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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31 add %al, %cl
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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32 mov $0, %ch
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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33 jc def_adjust
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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34 cmp $0xA0, %cl
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35 jb no_adjust_h
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36 def_adjust:
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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37 add $0x60, %cl
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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38 mov $1, %ch
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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39 no_adjust_h:
485
b449af228c63 Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
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40
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41 mov %rdi, %rax
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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42 ret
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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43
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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44 .global bcd_sub
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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45 bcd_sub:
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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46 xchg %rax, %rdi
485
b449af228c63 Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
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parents: 423
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47
194
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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48 mov %cl, %ch
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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49 mov %al, %ah
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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50 and $0xF, %ch
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diff changeset
51 and $0xF, %ah
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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52 and $0xF0, %cl
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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53 and $0xF0, %al
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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54 sub %ah, %ch
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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55 cmp $10, %ch
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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56 jb no_adjusts
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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57 sub $6, %ch
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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58 no_adjusts:
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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59 add %ch, %cl
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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60 sub %al, %cl
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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61 mov $0, %ch
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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62 jc def_adjusts
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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63 cmp $0xA0, %cl
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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64 jb no_adjust_hs
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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65 def_adjusts:
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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parents: 193
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66 sub $0x60, %cl
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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67 mov $1, %ch
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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parents: 193
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68 no_adjust_hs:
485
b449af228c63 Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
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parents: 423
diff changeset
69
194
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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diff changeset
70 mov %rdi, %rax
811163790e6c Implement ABCD an SBCD. Fix BTEST with register source.
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71 ret
82
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
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72
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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73 .global get_sr
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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74 get_sr:
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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75 mov 5(%rsi), %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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76 shl $8, %cx
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
77 mov (%rsi), %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
78 shl $1, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
79 or %bl, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
80 shl $1, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
81 or %dl, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
82 shl $1, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
83 or %bh, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
84 shl $1, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
85 or %dh, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
86 ret
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
87
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
88 .global set_sr
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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diff changeset
89 set_sr:
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
90 mov %cl, %dh
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
91 and $1, %dh
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
92 shr $1, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
93 mov %cl, %bh
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
94 and $1, %bh
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
95 shr $1, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
96 mov %cl, %dl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
97 and $1, %dl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
98 shr $1, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
99 mov %cl, %bl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
100 and $1, %bl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
101 shr $1, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
102 and $1, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
103 mov %cl, (%rsi)
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
104 shr $8, %cx
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
105 mov %cl, 5(%rsi)
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
106 ret
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
107
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
108 .global set_ccr
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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parents: 72
diff changeset
109 set_ccr:
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
110 mov %cl, %dh
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
111 and $1, %dh
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
112 shr $1, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
113 mov %cl, %bh
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
114 and $1, %bh
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
115 shr $1, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
116 mov %cl, %dl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
117 and $1, %dl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
118 shr $1, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
119 mov %cl, %bl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
120 and $1, %bl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
121 shr $1, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
122 and $1, %cl
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents: 72
diff changeset
123 mov %cl, (%rsi)
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 53
diff changeset
124 ret
485
b449af228c63 Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
Mike Pavone <pavone@retrodev.com>
parents: 423
diff changeset
125