mirror of https://github.com/PCSX2/pcsx2.git
aligned_stack: no real progress... just reached a point where I need to move dev over to my windows so I can have real debugging/disasm/memory dumping ability. (this is the most horrible job I've ever undertaken, btw)
git-svn-id: http://pcsx2.googlecode.com/svn/branches/aligned_stack@2034 96395faa-99c1-11dd-bbfe-3dabce05a288
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@ -188,6 +188,7 @@ namespace x86Emitter
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// ----- Miscellaneous Instructions -----
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// Various Instructions with no parameter and no special encoding logic.
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extern void xLEAVE();
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extern void xRET();
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extern void xCBW();
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extern void xCWD();
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@ -729,6 +729,7 @@ __forceinline void xPOPFD() { xWrite8( 0x9D ); }
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//////////////////////////////////////////////////////////////////////////////////////////
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//
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__forceinline void xLEAVE() { xWrite8( 0xC9 ); }
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__forceinline void xRET() { xWrite8( 0xC3 ); }
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__forceinline void xCBW() { xWrite16( 0x9866 ); }
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__forceinline void xCWD() { xWrite8( 0x98 ); }
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@ -328,6 +328,7 @@ static DynGenFunc* DispatcherReg = NULL;
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static DynGenFunc* JITCompile = NULL;
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static DynGenFunc* JITCompileInBlock = NULL;
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static DynGenFunc* EnterRecompiledCode = NULL;
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static DynGenFunc* ExitRecompiledCode = NULL;
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// parameters:
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// espORebp - 0 for ESP, or 1 for EBP.
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@ -427,41 +428,45 @@ static DynGenFunc* _DynGen_EnterRecompiledCode()
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// use for supplying parameters to cdecl functions.
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xPUSH( ebp );
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xPUSH( edi );
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xPUSH( esi );
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xPUSH( ebx );
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xMOV( ebp, esp );
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xAND( esp, -0x10 );
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xSUB( esp, 0x10 );
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xMOV( &s_store_ebp, ebp );
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// First 0x10 is for esi, edi, etc. Second 0x10 is for the return address and ebp. The
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// third second 0x10 is for C-style CDECL calls we might make from the recompiler
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// (parameters for those calls can be stored there!)
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xSUB( esp, 0x30 );
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xMOV( ptr[ebp-12], edi );
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xMOV( ptr[ebp-8], esi );
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xMOV( ptr[ebp-4], ebx );
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// Simulate a CALL function by pushing the call address and EBP onto the stack.
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xMOV( ptr32[esp+0x10+12], 0xffeeff );
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uptr& imm = *(uptr*)(xGetPtr()-4);
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xMOV( ptr32[esp+0x10+8], ebp );
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xMOV( &s_store_esp, esp );
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xSUB( ptr32[&s_store_esp], 4 ); // account for the address pushed when we xCALL
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xMOV( &s_store_ebp, ebp );
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//xPUSH( edi );
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//xPUSH( esi );
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//xPUSH( ebx );
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xJMP( ptr32[&DispatcherReg] );
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imm = (uptr)xGetPtr();
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ExitRecompiledCode = (DynGenFunc*)xGetPtr();
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xCALL( ptr32[&DispatcherReg] );
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xLEAVE();
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//xMOV( esp, ebp );
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//xPOP( ebp );
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//xPOP( ebx );
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//xPOP( esi );
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//xPOP( edi );
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//_DynGen_StackFrameCheck();
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xMOV( edi, ptr[ebp-12] );
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xMOV( esi, ptr[ebp-8] );
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xMOV( ebx, ptr[ebp-4] );
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//xMOV( esp, ebp );
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//xPOP( ebp );
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//xRET();
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xADD( ptr32[&s_store_esp], 4 ); // account for the address pushed when we xCALL
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_DynGen_StackFrameCheck();
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xMOV( esp, ebp );
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xPOP( ebx );
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xPOP( esi );
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xPOP( edi );
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xPOP( ebp );
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xLEAVE();
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xRET();
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return (DynGenFunc*)retval;
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@ -808,18 +813,16 @@ void recClear(u32 addr, u32 size)
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upperextent = min(upperextent, ceiling);
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#ifdef PCSX2_DEVBUILD
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for (int i = 0; pexblock = recBlocks[i]; i++) {
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if (s_pCurBlock == PC_GETBLOCK(pexblock->startpc))
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continue;
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u32 blockend = pexblock->startpc + pexblock->size * 4;
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if (pexblock->startpc >= addr && pexblock->startpc < addr + size * 4
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|| pexblock->startpc < addr && blockend > addr) {
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Console.Error( "Impossible block clearing failure" );
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pxFail( "Impossible block clearing failure" );
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DevCon.Error( "Impossible block clearing failure" );
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pxFailDev( "Impossible block clearing failure" );
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}
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}
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#endif
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if (upperextent > lowerextent)
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ClearRecLUT(PC_GETBLOCK(lowerextent), (upperextent - lowerextent) / 4);
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@ -1284,6 +1287,8 @@ void __fastcall dyna_page_reset(u32 start,u32 sz)
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// Note: this function is accessed via a JMP, and thus the RET here will exit
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// recompiled code and take us back to recExecute.
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__asm__ __volatile__( "leave\n jmp %[exitRec]\n" : : [exitRec] "m" (ExitRecompiledCode) : );
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}
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void recRecompile( const u32 startpc )
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