///////////////////////////////////////////////////////////////////////// // $Id: pci_ide.cc,v 1.7 2004-08-06 15:49:54 vruppert Exp $ ///////////////////////////////////////////////////////////////////////// // // Copyright (C) 2002 MandrakeSoft S.A. // // MandrakeSoft S.A. // 43, rue d'Aboukir // 75002 Paris - France // http://www.linux-mandrake.com/ // http://www.mandrakesoft.com/ // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // // i440FX Support - PCI IDE controller (PIIX3) // // Define BX_PLUGGABLE in files that can be compiled into plugins. For // platforms that require a special tag on exported symbols, BX_PLUGGABLE // is used to know when we are exporting symbols and when we are importing. #define BX_PLUGGABLE #include "iodev.h" #if BX_SUPPORT_PCI #define LOG_THIS thePciIdeController-> bx_pci_ide_c *thePciIdeController = NULL; const Bit8u bmide_iomask[16] = {1, 0, 1, 0, 4, 0, 0, 0, 1, 0, 1, 0, 4, 0, 0, 0}; int libpci_ide_LTX_plugin_init(plugin_t *plugin, plugintype_t type, int argc, char *argv[]) { thePciIdeController = new bx_pci_ide_c (); bx_devices.pluginPciIdeController = thePciIdeController; BX_REGISTER_DEVICE_DEVMODEL(plugin, type, thePciIdeController, BX_PLUGIN_PCI_IDE); return(0); // Success } void libpci_ide_LTX_plugin_fini(void) { } bx_pci_ide_c::bx_pci_ide_c(void) { put("PIDE"); settype(PCIIDELOG); } bx_pci_ide_c::~bx_pci_ide_c(void) { // nothing for now BX_DEBUG(("Exit.")); } void bx_pci_ide_c::init(void) { // called once when bochs initializes Bit8u devfunc = BX_PCI_DEVICE(1,1); DEV_register_pci_handlers(this, pci_read_handler, pci_write_handler, &devfunc, BX_PLUGIN_PCI_IDE, "PIIX3 PCI IDE controller"); for (unsigned i=0; i<256; i++) BX_PIDE_THIS s.pci_conf[i] = 0x0; // readonly registers BX_PIDE_THIS s.pci_conf[0x00] = 0x86; BX_PIDE_THIS s.pci_conf[0x01] = 0x80; BX_PIDE_THIS s.pci_conf[0x02] = 0x10; BX_PIDE_THIS s.pci_conf[0x03] = 0x70; BX_PIDE_THIS s.pci_conf[0x09] = 0x80; BX_PIDE_THIS s.pci_conf[0x0a] = 0x01; BX_PIDE_THIS s.pci_conf[0x0b] = 0x01; BX_PIDE_THIS s.pci_conf[0x0e] = 0x00; } void bx_pci_ide_c::reset(unsigned type) { BX_PIDE_THIS s.pci_conf[0x04] = 0x01; BX_PIDE_THIS s.pci_conf[0x05] = 0x00; BX_PIDE_THIS s.pci_conf[0x06] = 0x80; BX_PIDE_THIS s.pci_conf[0x07] = 0x02; if (bx_options.ata[0].Opresent->get ()) { BX_PIDE_THIS s.pci_conf[0x40] = 0x00; BX_PIDE_THIS s.pci_conf[0x41] = 0x80; } if (bx_options.ata[1].Opresent->get ()) { BX_PIDE_THIS s.pci_conf[0x42] = 0x00; BX_PIDE_THIS s.pci_conf[0x43] = 0x80; } BX_PIDE_THIS s.pci_conf[0x44] = 0x00; // This should be done by the PCI BIOS WriteHostDWordToLittleEndian(&BX_PIDE_THIS s.pci_conf[0x20], 0x0000); DEV_pci_set_base_io(this, read_handler, write_handler, &BX_PIDE_THIS s.bmide_addr, &BX_PIDE_THIS s.pci_conf[0x20], 16, &bmide_iomask[0], "PIIX3 PCI IDE controller"); } // static IO port read callback handler // redirects to non-static class handler to avoid virtual functions Bit32u bx_pci_ide_c::read_handler(void *this_ptr, Bit32u address, unsigned io_len) { #if !BX_USE_PIDE_SMF bx_pci_ide_c *class_ptr = (bx_pci_ide_c *) this_ptr; return( class_ptr->read(address, io_len) ); } Bit32u bx_pci_ide_c::read(Bit32u address, unsigned io_len) { #else UNUSED(this_ptr); #endif // !BX_USE_PIDE_SMF Bit8u offset; offset = address - BX_PIDE_THIS s.bmide_addr; BX_INFO(("BM-IDE read register 0x%08x len %d", offset, io_len)); return BX_PIDE_THIS s.bmide_regs[offset]; /* switch (address) { } return(0xffffffff);*/ } // static IO port write callback handler // redirects to non-static class handler to avoid virtual functions void bx_pci_ide_c::write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len) { #if !BX_USE_PIDE_SMF bx_pci_ide_c *class_ptr = (bx_pci_ide_c *) this_ptr; class_ptr->write(address, value, io_len); } void bx_pci_ide_c::write(Bit32u address, Bit32u value, unsigned io_len) { #else UNUSED(this_ptr); #endif // !BX_USE_PIDE_SMF Bit8u offset; offset = address - BX_PIDE_THIS s.bmide_addr; BX_INFO(("BM-IDE write register 0x%08x len %d", offset, io_len)); BX_PIDE_THIS s.bmide_regs[offset] = (Bit8u)value; /* switch (address) { }*/ } // static pci configuration space read callback handler // redirects to non-static class handler to avoid virtual functions Bit32u bx_pci_ide_c::pci_read_handler(void *this_ptr, Bit8u address, unsigned io_len) { #if !BX_USE_PIDE_SMF bx_pci_ide_c *class_ptr = (bx_pci_ide_c *) this_ptr; return( class_ptr->pci_read(address, io_len) ); } Bit32u bx_pci_ide_c::pci_read(Bit8u address, unsigned io_len) { #else UNUSED(this_ptr); #endif // !BX_USE_PIDE_SMF Bit32u value = 0; if (io_len <= 4) { for (unsigned i=0; ipci_write(address, value, io_len); } void bx_pci_ide_c::pci_write(Bit8u address, Bit32u value, unsigned io_len) { #else UNUSED(this_ptr); #endif // !BX_USE_PIDE_SMF Bit8u value8, oldval; bx_bool bmide_change = 0; if (io_len <= 4) { for (unsigned i=0; i> (i*8)) & 0xFF; switch (address+i) { case 0x05: case 0x06: case 0x22: case 0x23: break; case 0x04: BX_PIDE_THIS s.pci_conf[address+i] = value8 & 0x05; break; case 0x20: case 0x21: bmide_change |= (value8 != oldval); default: BX_PIDE_THIS s.pci_conf[address+i] = value8; BX_DEBUG(("PIIX3 PCI IDE write register 0x%02x value 0x%02x", address, value8)); } } if (bmide_change) { DEV_pci_set_base_io(BX_PIDE_THIS_PTR, read_handler, write_handler, &BX_PIDE_THIS s.bmide_addr, &BX_PIDE_THIS s.pci_conf[0x20], 16, &bmide_iomask[0], "PIIX3 PCI IDE controller"); BX_INFO(("new BM-IDE address: 0x%04x", BX_PIDE_THIS s.bmide_addr)); } } } #endif /* BX_SUPPORT_PCI */