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- initialize the shadow ram array with the value 0xff (used by rom images)

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- initialization of read only registers not necessary when PCI is disabled
This commit is contained in:
Volker Ruppert 2002-08-05 17:43:25 +00:00
parent 09d99d1be9
commit 806e32e984
1 changed files with 7 additions and 3 deletions
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10
bochs/iodev/pci.cc
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@ -1,5 +1,5 @@
///////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////
// $Id: pci.cc,v 1.15 2002-05-30 07:33:48 vruppert Exp $ // $Id: pci.cc,v 1.16 2002-08-05 17:43:25 vruppert Exp $
///////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////
// //
// Copyright (C) 2002 MandrakeSoft S.A. // Copyright (C) 2002 MandrakeSoft S.A.
@ -60,7 +60,11 @@ bx_pci_c::bx_pci_c(void)
for (i=0; i < 0x100; i++) { for (i=0; i < 0x100; i++) {
BX_PCI_THIS pci_handler_id[i] = BX_MAX_PCI_DEVICES; // not assigned BX_PCI_THIS pci_handler_id[i] = BX_MAX_PCI_DEVICES; // not assigned
} }
for (i=0; i<0x40000; i++) {
BX_PCI_THIS s.i440fx.shadow[i] = 0xff;
}
} }
bx_pci_c::~bx_pci_c(void) bx_pci_c::~bx_pci_c(void)
@ -93,13 +97,13 @@ bx_pci_c::init(bx_devices_c *d)
for (unsigned i=0; i<256; i++) for (unsigned i=0; i<256; i++)
BX_PCI_THIS s.i440fx.array[i] = 0x0; BX_PCI_THIS s.i440fx.array[i] = 0x0;
}
// readonly registers // readonly registers
BX_PCI_THIS s.i440fx.array[0x00] = 0x86; BX_PCI_THIS s.i440fx.array[0x00] = 0x86;
BX_PCI_THIS s.i440fx.array[0x01] = 0x80; BX_PCI_THIS s.i440fx.array[0x01] = 0x80;
BX_PCI_THIS s.i440fx.array[0x02] = 0x37; BX_PCI_THIS s.i440fx.array[0x02] = 0x37;
BX_PCI_THIS s.i440fx.array[0x03] = 0x12; BX_PCI_THIS s.i440fx.array[0x03] = 0x12;
BX_PCI_THIS s.i440fx.array[0x0b] = 0x06; BX_PCI_THIS s.i440fx.array[0x0b] = 0x06;
}
} }
void void