/[gxemul]/trunk/src/devices/dev_sii.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 33 by dpavlin, Mon Oct 8 16:19:56 2007 UTC revision 34 by dpavlin, Mon Oct 8 16:21:17 2007 UTC
# Line 1  Line 1 
1  /*  /*
2   *  Copyright (C) 2003-2006  Anders Gavare.  All rights reserved.   *  Copyright (C) 2003-2007  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_sii.c,v 1.17 2006/03/04 12:38:48 debug Exp $   *  $Id: dev_sii.c,v 1.19 2007/01/05 15:20:06 debug Exp $
29   *     *  
30   *  SII SCSI controller, used in some DECstation systems.   *  SII SCSI controller, used in some DECstation systems.
31   *   *
# Line 38  Line 38 
38    
39  #include "cpu.h"  #include "cpu.h"
40  #include "devices.h"  #include "devices.h"
41    #include "interrupt.h"
42  #include "machine.h"  #include "machine.h"
43  #include "memory.h"  #include "memory.h"
44  #include "misc.h"  #include "misc.h"
# Line 49  Line 50 
50    
51    
52  struct sii_data {  struct sii_data {
53          int             irq_nr;          struct interrupt irq;
54    
55          uint64_t        buf_start;          uint64_t        buf_start;
56          uint64_t        buf_end;          uint64_t        buf_end;
57    
# Line 170  void dev_sii_tick(struct cpu *cpu, void Line 172  void dev_sii_tick(struct cpu *cpu, void
172          combine_sii_bits(d);          combine_sii_bits(d);
173    
174          if (d->siiregs.csr & SII_IE && d->siiregs.cstat & (SII_CI | SII_DI))          if (d->siiregs.csr & SII_IE && d->siiregs.cstat & (SII_CI | SII_DI))
175                  cpu_interrupt(cpu, d->irq_nr);                  INTERRUPT_ASSERT(d->irq);
176          else          else
177                  cpu_interrupt_ack(cpu, d->irq_nr);                  INTERRUPT_DEASSERT(d->irq);
178  }  }
179    
180    
 /*  
  *  dev_sii_access():  
  */  
181  DEVICE_ACCESS(sii)  DEVICE_ACCESS(sii)
182  {  {
183          uint64_t idata = 0, odata = 0;          uint64_t idata = 0, odata = 0;
# Line 447  DEVICE_ACCESS(sii) Line 446  DEVICE_ACCESS(sii)
446   *  dev_sii_init():   *  dev_sii_init():
447   */   */
448  void dev_sii_init(struct machine *machine, struct memory *mem,  void dev_sii_init(struct machine *machine, struct memory *mem,
449          uint64_t baseaddr, uint64_t buf_start, uint64_t buf_end, int irq_nr)          uint64_t baseaddr, uint64_t buf_start, uint64_t buf_end,
450            char *irq_path)
451  {  {
452          struct sii_data *d = malloc(sizeof(struct sii_data));          struct sii_data *d = malloc(sizeof(struct sii_data));
453          if (d == NULL) {          if (d == NULL) {
# Line 456  void dev_sii_init(struct machine *machin Line 456  void dev_sii_init(struct machine *machin
456          }          }
457    
458          memset(d, 0, sizeof(struct sii_data));          memset(d, 0, sizeof(struct sii_data));
459          d->irq_nr    = irq_nr;          INTERRUPT_CONNECT(irq_path, d->irq);
460          d->buf_start = buf_start;          d->buf_start = buf_start;
461          d->buf_end   = buf_end;          d->buf_end   = buf_end;
462            d->regs      = (uint16_t *) &d->siiregs;
         d->regs = (uint16_t *) &d->siiregs;  
463    
464          memory_device_register(mem, "sii", baseaddr, DEV_SII_LENGTH,          memory_device_register(mem, "sii", baseaddr, DEV_SII_LENGTH,
465              dev_sii_access, (void *)d, DM_DEFAULT, NULL);              dev_sii_access, (void *)d, DM_DEFAULT, NULL);
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