/[gxemul]/trunk/src/devices/dev_ps2_spd.c
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Diff of /trunk/src/devices/dev_ps2_spd.c

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revision 18 by dpavlin, Mon Oct 8 16:19:11 2007 UTC revision 42 by dpavlin, Mon Oct 8 16:22:32 2007 UTC
# Line 1  Line 1 
1  /*  /*
2   *  Copyright (C) 2004-2005  Anders Gavare.  All rights reserved.   *  Copyright (C) 2004-2007  Anders Gavare.  All rights reserved.
3   *   *
4   *  Redistribution and use in source and binary forms, with or without   *  Redistribution and use in source and binary forms, with or without
5   *  modification, are permitted provided that the following conditions are met:   *  modification, are permitted provided that the following conditions are met:
# Line 25  Line 25 
25   *  SUCH DAMAGE.   *  SUCH DAMAGE.
26   *     *  
27   *   *
28   *  $Id: dev_ps2_spd.c,v 1.12 2005/10/26 14:37:04 debug Exp $   *  $Id: dev_ps2_spd.c,v 1.17 2007/06/15 19:57:33 debug Exp $
29   *     *  
30   *  Playstation 2 "SPD" harddisk controller.   *  COMMENT: PlayStation 2 SPD harddisk controller
31   *   *
32   *  TODO   *  TODO
33   */   */
# Line 38  Line 38 
38    
39  #include "cpu.h"  #include "cpu.h"
40  #include "device.h"  #include "device.h"
41  #include "devices.h"  #include "machine.h"
42  #include "memory.h"  #include "memory.h"
43  #include "misc.h"  #include "misc.h"
44    
45    
46    #define DEV_PS2_SPD_LENGTH              0x800
47    
48    
49  struct ps2_spd_data {  struct ps2_spd_data {
50          uint64_t                wdcaddr;          uint64_t                wdcaddr;
51  };  };
52    
53    
54  /*  DEVICE_ACCESS(ps2_spd)
  *  dev_ps2_spd_access():  
  */  
 int dev_ps2_spd_access(struct cpu *cpu, struct memory *mem,  
         uint64_t relative_addr, unsigned char *data, size_t len,  
         int writeflag, void *extra)  
55  {  {
56          struct ps2_spd_data *d = extra;          struct ps2_spd_data *d = extra;
57          uint64_t idata = 0, odata = 0;          uint64_t idata = 0, odata = 0;
# Line 96  int dev_ps2_spd_access(struct cpu *cpu, Line 94  int dev_ps2_spd_access(struct cpu *cpu,
94  }  }
95    
96    
97  /*  DEVINIT(ps2_spd)
  *  dev_ps2_spd_init():  
  */  
 void dev_ps2_spd_init(struct machine *machine, struct memory *mem,  
         uint64_t baseaddr)  
98  {  {
99          struct ps2_spd_data *d;          struct ps2_spd_data *d;
100          char tmpstr[200];          char tmpstr[200];
101    
102          d = malloc(sizeof(struct ps2_spd_data));          CHECK_ALLOCATION(d = malloc(sizeof(struct ps2_spd_data)));
         if (d == NULL) {  
                 fprintf(stderr, "out of memory\n");  
                 exit(1);  
         }  
103          memset(d, 0, sizeof(struct ps2_spd_data));          memset(d, 0, sizeof(struct ps2_spd_data));
         d->wdcaddr = baseaddr + DEV_PS2_SPD_LENGTH;  
104    
105          memory_device_register(mem, "ps2_spd", baseaddr, DEV_PS2_SPD_LENGTH,          d->wdcaddr = devinit->addr + DEV_PS2_SPD_LENGTH;
106              dev_ps2_spd_access, d, MEM_DEFAULT, NULL);  
107            memory_device_register(devinit->machine->memory, "ps2_spd",
108                devinit->addr, DEV_PS2_SPD_LENGTH,
109                dev_ps2_spd_access, d, DM_DEFAULT, NULL);
110    
111          /*  Register a generic wdc device at a bogus address:  */          /*  Register a generic wdc device at a bogus address:  */
112          /*  (irq 8 + 32 + 0 means SBUS/PCMCIA)  */          /*  IRQ = PS2 SBUS irq 0  */
113          snprintf(tmpstr, sizeof(tmpstr), "wdc addr=0x%llx irq=%i",          snprintf(tmpstr, sizeof(tmpstr), "wdc addr=0x%llx irq=%s.ps2_sbus.0",
114              (long long)d->wdcaddr, 8 + 32 + 0);              (long long)d->wdcaddr, devinit->interrupt_path);
115          device_add(machine, tmpstr);          device_add(devinit->machine, tmpstr);
116    
117            return 1;
118  }  }
119    
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