25 |
* SUCH DAMAGE. |
* SUCH DAMAGE. |
26 |
* |
* |
27 |
* |
* |
28 |
* $Id: dev_fdc.c,v 1.19 2006/12/30 13:30:58 debug Exp $ |
* $Id: dev_fdc.c,v 1.21 2007/06/15 19:11:15 debug Exp $ |
29 |
* |
* |
30 |
* PC-style floppy controller. |
* COMMENT: PC-style floppy controller |
31 |
* |
* |
32 |
* TODO! (This is just a dummy skeleton right now.) |
* TODO! (This is just a dummy skeleton right now.) |
33 |
* |
* |
42 |
#include <string.h> |
#include <string.h> |
43 |
|
|
44 |
#include "device.h" |
#include "device.h" |
45 |
|
#include "interrupt.h" |
46 |
#include "machine.h" |
#include "machine.h" |
47 |
#include "memory.h" |
#include "memory.h" |
48 |
#include "misc.h" |
#include "misc.h" |
52 |
|
|
53 |
|
|
54 |
struct fdc_data { |
struct fdc_data { |
55 |
unsigned char reg[DEV_FDC_LENGTH]; |
uint8_t reg[DEV_FDC_LENGTH]; |
56 |
int irqnr; |
struct interrupt irq; |
57 |
}; |
}; |
58 |
|
|
59 |
|
|
|
/* |
|
|
* dev_fdc_access(): |
|
|
*/ |
|
60 |
DEVICE_ACCESS(fdc) |
DEVICE_ACCESS(fdc) |
61 |
{ |
{ |
62 |
|
struct fdc_data *d = extra; |
63 |
uint64_t idata = 0, odata = 0; |
uint64_t idata = 0, odata = 0; |
64 |
size_t i; |
size_t i; |
|
struct fdc_data *d = extra; |
|
65 |
|
|
66 |
if (writeflag == MEM_WRITE) |
if (writeflag == MEM_WRITE) |
67 |
idata = memory_readmax64(cpu, data, len); |
idata = memory_readmax64(cpu, data, len); |
93 |
{ |
{ |
94 |
struct fdc_data *d; |
struct fdc_data *d; |
95 |
|
|
96 |
d = malloc(sizeof(struct fdc_data)); |
CHECK_ALLOCATION(d = malloc(sizeof(struct fdc_data))); |
|
if (d == NULL) { |
|
|
fprintf(stderr, "out of memory\n"); |
|
|
exit(1); |
|
|
} |
|
97 |
memset(d, 0, sizeof(struct fdc_data)); |
memset(d, 0, sizeof(struct fdc_data)); |
98 |
d->irqnr = devinit->irq_nr; |
|
99 |
|
INTERRUPT_CONNECT(devinit->interrupt_path, d->irq); |
100 |
|
|
101 |
memory_device_register(devinit->machine->memory, devinit->name, |
memory_device_register(devinit->machine->memory, devinit->name, |
102 |
devinit->addr, DEV_FDC_LENGTH, dev_fdc_access, d, |
devinit->addr, DEV_FDC_LENGTH, dev_fdc_access, d, |