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- base address area set to read-only (TODO: implement framebuffer base at 0x10)

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- unnecessary io_len check removed
This commit is contained in:
Volker Ruppert 2005-09-18 13:02:56 +00:00
parent 9bc26a67d5
commit edd430d573
1 changed files with 2 additions and 10 deletions
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12
bochs/iodev/pcivga.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: pcivga.cc,v 1.7 2005-06-04 17:44:58 vruppert Exp $
// $Id: pcivga.cc,v 1.8 2005-09-18 13:02:56 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002,2003 Mike Nordell
@ -215,12 +215,8 @@ bx_pcivga_c::pci_write(Bit8u address, Bit32u value, unsigned io_len)
UNUSED(this_ptr);
#endif // !BX_USE_PCIVGA_SMF
if (io_len > 4 || io_len == 0) {
BX_DEBUG(("Experimental PCIVGA write register 0x%02x, len=%u !",
(unsigned) address, (unsigned) io_len));
if ((address >= 0x10) && (address < 0x34))
return;
}
// This odd code is to display only what bytes actually were written.
char szTmp[9];
char szTmp2[3];
@ -229,10 +225,6 @@ bx_pcivga_c::pci_write(Bit8u address, Bit32u value, unsigned io_len)
for (unsigned i=0; i<io_len; i++) {
const Bit8u value8 = (value >> (i*8)) & 0xFF;
switch (address+i) {
case 0x30: // Oh, no, you're not writing to rom_base!
case 0x31: //
case 0x32: //
case 0x33: //
case 0x04: // disallowing write to command
case 0x06: // disallowing write to status lo-byte (is that expected?)
strcpy(szTmp2, "..");