1 ///////////////////////////////////////////////////////////////////////// 2 // $Id: pci_ide.h 14112 2021-01-31 10:50:53Z vruppert $ 3 ///////////////////////////////////////////////////////////////////////// 4 // 5 // Copyright (C) 2004-2021 The Bochs Project 6 // 7 // This library is free software; you can redistribute it and/or 8 // modify it under the terms of the GNU Lesser General Public 9 // License as published by the Free Software Foundation; either 10 // version 2 of the License, or (at your option) any later version. 11 // 12 // This library is distributed in the hope that it will be useful, 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 // Lesser General Public License for more details. 16 // 17 // You should have received a copy of the GNU Lesser General Public 18 // License along with this library; if not, write to the Free Software 19 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 20 21 #ifndef BX_IODEV_PCIIDE_H 22 #define BX_IODEV_PCIIDE_H 23 24 #if BX_USE_PIDE_SMF 25 # define BX_PIDE_SMF static 26 # define BX_PIDE_THIS thePciIdeController-> 27 # define BX_PIDE_THIS_PTR thePciIdeController 28 #else 29 # define BX_PIDE_SMF 30 # define BX_PIDE_THIS this-> 31 # define BX_PIDE_THIS_PTR this 32 #endif 33 34 class bx_pci_ide_c : public bx_pci_ide_stub_c { 35 public: 36 bx_pci_ide_c(); 37 virtual ~bx_pci_ide_c(); 38 virtual void init(void); 39 virtual void reset(unsigned type); 40 virtual bool bmdma_present(void); 41 virtual void bmdma_start_transfer(Bit8u channel); 42 virtual void bmdma_set_irq(Bit8u channel); 43 virtual void register_state(void); 44 virtual void after_restore_state(void); 45 static Bit64s param_save_handler(void *devptr, bx_param_c *param); 46 static void param_restore_handler(void *devptr, bx_param_c *param, Bit64s val); 47 #if !BX_USE_PIDE_SMF 48 Bit64s param_save(bx_param_c *param); 49 void param_restore(bx_param_c *param, Bit64s val); 50 #endif 51 52 virtual void pci_write_handler(Bit8u address, Bit32u value, unsigned io_len); 53 54 static void timer_handler(void *); 55 BX_PIDE_SMF void timer(void); 56 57 private: 58 59 struct { 60 unsigned chipset; 61 struct { 62 bool cmd_ssbm; 63 bool cmd_rwcon; 64 Bit8u status; 65 Bit32u dtpr; 66 Bit32u prd_current; 67 int timer_index; 68 Bit8u *buffer; 69 Bit8u *buffer_top; 70 Bit8u *buffer_idx; 71 bool data_ready; 72 } bmdma[2]; 73 } s; 74 75 static Bit32u read_handler(void *this_ptr, Bit32u address, unsigned io_len); 76 static void write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len); 77 #if !BX_USE_PIDE_SMF 78 Bit32u read(Bit32u address, unsigned io_len); 79 void write(Bit32u address, Bit32u value, unsigned io_len); 80 #endif 81 }; 82 83 #endif 84