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33 #ifndef __TSUNAMI_PCHIP_HH__
34 #define __TSUNAMI_PCHIP_HH__
36 #include "mem/functional_mem/functional_memory.hh"
37 #include "dev/tsunami.hh"
42 class TsunamiPChip : public FunctionalMemory
45 /** The base address of this device */
48 /** The size of mappad from the above address */
49 static const Addr size = 0xfff;
53 * pointer to the tsunami object.
54 * This is our access to all the other tsunami
59 /** Pchip control register */
62 /** Window Base addresses */
68 /** Translated Base Addresses */
73 * Register the PChip with the mmu and init all wsba, wsm, and tba to 0
74 * @param name the name of thes device
75 * @param t a pointer to the tsunami device
76 * @param a the address which we respond to
77 * @param mmu the mmu we are to register with
79 TsunamiPChip(const std::string &name, Tsunami *t, Addr a,
80 MemoryController *mmu);
83 * Translate a PCI bus address to a memory address for DMA.
84 * @todo Andrew says this needs to be fixed. What's wrong with it?
85 * @param busAddr PCI address to translate.
86 * @return memory system address
88 Addr translatePciToDma(Addr busAddr);
91 * Process a read to the PChip.
92 * @param req Contains the address to read from.
93 * @param data A pointer to write the read data to.
94 * @return The fault condition of the access.
96 virtual Fault read(MemReqPtr &req, uint8_t *data);
99 * Process a write to the PChip.
100 * @param req Contains the address to write to.
101 * @param data The data to write.
102 * @return The fault condition of the access.
104 virtual Fault write(MemReqPtr &req, const uint8_t *data);
107 * Serialize this object to the given output stream.
108 * @param os The stream to serialize to.
110 virtual void serialize(std::ostream &os);
113 * Reconstruct the state of this object from a checkpoint.
114 * @param cp The checkpoint use.
115 * @param section The section name of this object
117 virtual void unserialize(Checkpoint *cp, const std::string §ion);
120 #endif // __TSUNAMI_PCHIP_HH__