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Diffstat (limited to 'src/dev/mips/malta.hh')
-rwxr-xr-x | src/dev/mips/malta.hh | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/dev/mips/malta.hh b/src/dev/mips/malta.hh new file mode 100755 index 000000000..5569c7c90 --- /dev/null +++ b/src/dev/mips/malta.hh @@ -0,0 +1,142 @@ +/* + * Copyright (c) 2004-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Ali Saidi + * Rick Strong + */ + +/** + * @file + * Declaration of top level class for the Malta chipset. This class just + * retains pointers to all its children so the children can communicate. + */ + +#ifndef __DEV_MALTA_HH__ +#define __DEV_MALTA_HH__ + +#include "dev/platform.hh" +#include "params/Malta.hh" + +class IdeController; +class MaltaCChip; +class MaltaPChip; +class MaltaIO; +class System; + +/** + * Top level class for Malta Chipset emulation. + * This structure just contains pointers to all the + * children so the children can commnicate to do the + * read work + */ + +class Malta : public Platform +{ + public: + /** Max number of CPUs in a Malta */ + static const int Max_CPUs = 64; + + /** Pointer to the system */ + System *system; + + /** Pointer to the MaltaIO device which has the RTC */ + MaltaIO *io; + + /** Pointer to the Malta CChip. + * The chip contains some configuration information and + * all the interrupt mask and status registers + */ + MaltaCChip *cchip; + + /** Pointer to the Malta PChip. + * The pchip is the interface to the PCI bus, in our case + * it does not have to do much. + */ + MaltaPChip *pchip; + + int intr_sum_type[Malta::Max_CPUs]; + int ipi_pending[Malta::Max_CPUs]; + + public: + /** + * Constructor for the Malta Class. + * @param name name of the object + * @param s system the object belongs to + * @param intctrl pointer to the interrupt controller + */ + typedef MaltaParams Params; + Malta(const Params *p); + + /** + * Return the interrupting frequency to MipsAccess + * @return frequency of RTC interrupts + */ + virtual Tick intrFrequency(); + + /** + * Cause the cpu to post a serial interrupt to the CPU. + */ + virtual void postConsoleInt(); + + /** + * Clear a posted CPU interrupt (id=55) + */ + virtual void clearConsoleInt(); + + /** + * Cause the chipset to post a cpi interrupt to the CPU. + */ + virtual void postPciInt(int line); + + /** + * Clear a posted PCI->CPU interrupt + */ + virtual void clearPciInt(int line); + + + virtual Addr pciToDma(Addr pciAddr) const; + + /** + * Calculate the configuration address given a bus/dev/func. + */ + virtual Addr calcConfigAddr(int bus, int dev, int func); + + /** + * Serialize this object to the given output stream. + * @param os The stream to serialize to. + */ + virtual void serialize(std::ostream &os); + + /** + * Reconstruct the state of this object from a checkpoint. + * @param cp The checkpoint use. + * @param section The section name of this object + */ + virtual void unserialize(Checkpoint *cp, const std::string §ion); +}; + +#endif // __DEV_MALTA_HH__ |