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Improve PIIX4 sniffer - detect byte, word, and block operations

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This commit is contained in:
Adam Honse
2019-12-16 13:51:47 -06:00
parent 58c156d0cf
commit 9ba4613c89
1 changed files with 78 additions and 22 deletions
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100
OpenAuraSDK/OpenAuraSDK.cpp
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@@ -590,36 +590,92 @@ int main(int argc, char *argv[])
}
{
unsigned char addr = Inp32(SMBHSTADD);
unsigned char size = Inp32(SMBHSTCNT);
unsigned char cmnd = Inp32(SMBHSTCMD);
unsigned char dat0 = Inp32(SMBHSTDAT0);
unsigned char dat1 = Inp32(SMBHSTDAT1);
if (addr & 1)
{
printf("Read %02x from %02x, address %02x \n",
Inp32(SMBHSTDAT0),
Inp32(SMBHSTCMD),
Inp32(SMBHSTADD) >> 1);
printf("read size %02x \n", size);
switch (size & 0x1C)
{
case PIIX4_QUICK:
printf("Read %02x from address %02x \n",
dat0,
addr >> 1);
break;
case PIIX4_BYTE_DATA:
printf("Read %02x from %02x, address %02x \n",
dat0,
cmnd,
addr >> 1);
break;
case PIIX4_WORD_DATA:
printf("Read %02x %02x from %02x, address %02x \n",
dat0,
dat1,
cmnd,
addr >> 1);
break;
case PIIX4_BLOCK_DATA:
printf("Read block of length %02x from %02x, address %02x",
dat0,
cmnd,
addr >> 1);
break;
}
}
else
{
printf("Wrote %02x to %02x, address %02x \n",
Inp32(SMBHSTDAT0),
Inp32(SMBHSTCMD),
Inp32(SMBHSTADD) >> 1);
switch (size & 0x1C)
{
case PIIX4_QUICK:
printf("Wrote %02x to address %02x \n",
dat0,
addr >> 1);
break;
case PIIX4_BYTE_DATA:
printf("Wrote %02x to %02x, address %02x \n",
dat0,
cmnd,
addr >> 1);
break;
case PIIX4_WORD_DATA:
printf("Wrote %02x %02x to %02x, address %02x \n",
dat0,
dat1,
cmnd,
addr >> 1);
break;
case PIIX4_BLOCK_DATA:
printf("Wrote block of length %02x to %02x, address %02x, contents: ",
dat0,
cmnd,
addr >> 1);
// Read SMBHSTCNT to reset SMBBLKDAT read pointer
Inp32(SMBHSTCNT);
for (int byte = 0; byte < dat0; byte++)
{
printf("%02x ", Inp32(SMBBLKDAT));
}
printf("\n");
break;
}
}
}
}
fclose(file);
#if WIN32
//OpenAuraSDKDialog dlg(busses, controllers);
//dlg.DoModal();
return 0;
#else
QApplication a(argc, argv);
Ui::OpenAuraSDKQtDialog dlg(busses, controllers);
dlg.show();
return a.exec();
#endif
}