25 |
* SUCH DAMAGE. |
* SUCH DAMAGE. |
26 |
* |
* |
27 |
* |
* |
28 |
* $Id: cpu_x86_instr.c,v 1.1 2005/08/29 14:36:41 debug Exp $ |
* $Id: cpu_x86_instr.c,v 1.2 2005/11/06 22:41:12 debug Exp $ |
29 |
* |
* |
30 |
* x86/amd64 instructions. |
* x86/amd64 instructions. |
31 |
* |
* |
32 |
* Individual functions should keep track of cpu->n_translated_instrs. Since |
* Individual functions should keep track of cpu->n_translated_instrs. |
|
* x86 uses variable length instructions, cpu->cd.x86.next_ic must also be |
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* increased by the number of "instruction slots" that were executed. (I.e. |
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* if an instruction occupying 5 bytes was executed, then next_ic should be |
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* increased by 5.) |
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* |
|
33 |
* (n_translated_instrs is automatically increased by 1 for each function |
* (n_translated_instrs is automatically increased by 1 for each function |
34 |
* call. If no instruction was executed, then it should be decreased. If, say, |
* call. If no instruction was executed, then it should be decreased. If, say, |
35 |
* 4 instructions were combined into one function and executed, then it should |
* 4 instructions were combined into one function and executed, then it should |
42 |
*/ |
*/ |
43 |
X(nop) |
X(nop) |
44 |
{ |
{ |
|
cpu->cd.x86.next_ic ++; |
|
45 |
} |
} |
46 |
|
|
47 |
|
|
62 |
} |
} |
63 |
|
|
64 |
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/*****************************************************************************/ |
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|
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/* |
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* x86_combine_instructions(): |
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* |
|
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* Combine two or more instructions, if possible, into a single function call. |
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*/ |
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void COMBINE_INSTRUCTIONS(struct cpu *cpu, struct x86_instr_call *ic, |
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uint64_t addr) |
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{ |
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int n_back; |
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n_back = addr & (X86_IC_ENTRIES_PER_PAGE-1); |
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if (n_back >= 1) { |
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/* TODO */ |
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} |
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/* TODO: Combine forward as well */ |
|
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} |
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|
65 |
/*****************************************************************************/ |
/*****************************************************************************/ |
66 |
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67 |
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|