#include <stdlib.h>
#endif
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-#endif
-
#include "cpu.h"
#include "bfd.h"
from <name>@<int>,<nr_bytes>) to its parent at address zero and
with read/write access. */
-typedef struct _reg_spec {
+typedef struct _generic_reg_spec {
unsigned32 base;
unsigned32 size;
-} reg_spec;
+} generic_reg_spec;
+
void
-generic_device_init_address(device *me,
- psim *system)
+generic_device_init_address(device *me)
{
const device_property *reg = device_find_array_property(me, "reg");
- const reg_spec *spec = reg->array;
- int nr_entries = reg->sizeof_array / sizeof(reg_spec);
+ const generic_reg_spec *spec = reg->array;
+ int nr_entries = reg->sizeof_array / sizeof(generic_reg_spec);
- if ((reg->sizeof_array % sizeof(reg_spec)) != 0)
+ if ((reg->sizeof_array % sizeof(generic_reg_spec)) != 0)
error("devices/%s reg property is of wrong size\n", device_name(me));
while (nr_entries > 0) {
}
-\f
-/* inimplemented versions of each function */
-
-void
-unimp_device_init(device *me,
- psim *system)
-{
- error("device_init_callback for %s not implemented\n", device_name(me));
-}
-
-void
-unimp_device_attach_address(device *me,
- const char *name,
- attach_type type,
- int space,
- unsigned_word addr,
- unsigned nr_bytes,
- access_type access,
- device *who) /*callback/default*/
-{
- error("device_attach_address_callback for %s not implemented\n", device_name(me));
-}
-
-void
-unimp_device_detach_address(device *me,
- const char *name,
- attach_type type,
- int space,
- unsigned_word addr,
- unsigned nr_bytes,
- access_type access,
- device *who) /*callback/default*/
-{
- error("device_detach_address_callback for %s not implemented\n", device_name(me));
-}
-
-unsigned
-unimp_device_io_read_buffer(device *me,
- void *dest,
- int space,
- unsigned_word addr,
- unsigned nr_bytes,
- cpu *processor,
- unsigned_word cia)
-{
- error("device_io_read_buffer_callback for %s not implemented\n", device_name(me));
- return 0;
-}
-
-unsigned
-unimp_device_io_write_buffer(device *me,
- const void *source,
- int space,
- unsigned_word addr,
- unsigned nr_bytes,
- cpu *processor,
- unsigned_word cia)
-{
- error("device_io_write_buffer_callback for %s not implemented\n", device_name(me));
- return 0;
-}
-
-unsigned
-unimp_device_dma_read_buffer(device *me,
- void *target,
- int space,
- unsigned_word addr,
- unsigned nr_bytes)
-{
- error("device_dma_read_buffer_callback for %s not implemented\n", device_name(me));
- return 0;
-}
-
-unsigned
-unimp_device_dma_write_buffer(device *me,
- const void *source,
- int space,
- unsigned_word addr,
- unsigned nr_bytes,
- int violate_read_only_section)
-{
- error("device_dma_write_buffer_callback for %s not implemented\n", device_name(me));
- return 0;
-}
-
-void
-unimp_device_interrupt_event(device *me,
- int my_port,
- device *source,
- int source_port,
- int level,
- cpu *processor,
- unsigned_word cia)
-{
- error("unimp_device_interrupt_event for %s unimplemented\n",
- device_name(me));
-}
-
-void
-unimp_device_child_interrupt_event(device *me,
- device *parent,
- device *source,
- int source_port,
- int level,
- cpu *processor,
- unsigned_word cia)
-{
- error("unimp_device_child_interrupt_event_callback for %s unimplemented\n",
- device_name(me));
-}
-
-int
-unimp_device_unit_decode(device *me,
- const char *unit,
- device_unit *address)
-{
- error("unimp_device_unit_decode_callback for %s unimplemented\n",
- device_name(me));
- return 0;
-}
-
-int
-unimp_device_unit_encode(device *me,
- const device_unit *unit_address,
- char *buf,
- int sizeof_buf)
-{
- error("unimp_device_unit_encode_callback for %s unimplemented\n",
- device_name(me));
- return 0;
-}
-
-void *
-unimp_device_instance_create(device *me,
- const char *args)
-{
- error("unimp_device_instance_create_callback for %s unimplemented\n",
- device_name(me));
- return 0;
-}
-
-void
-unimp_device_instance_delete(device_instance *instance)
-{
- error("unimp_device_instance_delete_callback for %s unimplemented\n",
- device_instance_name(instance));
-}
-
-int
-unimp_device_instance_read(device_instance *instance,
- void *buf,
- unsigned_word len)
-{
- error("unimp_device_instance_read_callback for %s unimplemented\n",
- device_instance_name(instance));
- return 0;
-}
-
-int
-unimp_device_instance_write(device_instance *instance,
- const void *buf,
- unsigned_word len)
-{
- error("unimp_device_instance_write_callback for %s unimplemented\n",
- device_instance_name(instance));
- return 0;
-}
-
-int
-unimp_device_instance_seek(device_instance *instance,
- unsigned_word pos_hi,
- unsigned_word pos_lo)
-{
- error("unimp_device_instance_seek_callback for %s unimplemented\n",
- device_instance_name(instance));
- return 0;
-}
-
-
-void
-unimp_device_ioctl(device *me,
- psim *system,
- cpu *processor,
- unsigned_word cia,
- va_list ap)
-{
- error("device_ioctl_callback for %s not implemented\n", device_name(me));
-}
-
-
\f
/* ignore/passthrough versions of each function */
void
-ignore_device_init(device *me,
- psim *system)
-{
- /*null*/
-}
-
-void
-passthrough_device_attach_address(device *me,
+passthrough_device_address_attach(device *me,
const char *name,
attach_type attach,
int space,
}
void
-passthrough_device_detach_address(device *me,
+passthrough_device_address_detach(device *me,
const char *name,
attach_type attach,
int space,
static const device_callbacks passthrough_callbacks = {
- ignore_device_init,
- ignore_device_init,
- passthrough_device_attach_address,
- passthrough_device_detach_address,
- unimp_device_io_read_buffer,
- unimp_device_io_write_buffer,
- passthrough_device_dma_read_buffer,
- passthrough_device_dma_write_buffer,
- unimp_device_interrupt_event,
- unimp_device_child_interrupt_event,
- generic_device_unit_decode,
- generic_device_unit_encode,
- unimp_device_instance_create,
- unimp_device_instance_delete,
- unimp_device_instance_read,
- unimp_device_instance_write,
- unimp_device_instance_seek,
- unimp_device_ioctl,
-};
-
-
-\f
-/* Simple console device: console@<address>,16
-
- Input characters are taken from the keyboard, output characters
- sent to the terminal. Echoing of characters is not disabled.
-
- The device has four registers:
-
- 0x0: read
- 0x4: read-status
- 0x8: write
- 0xC: write-status
-
- Where a nonzero status register indicates that the device is ready
- (input fifo contains a character or output fifo has space). */
-
-typedef struct _console_buffer {
- char buffer;
- int status;
- event_entry_tag event_tag;
-} console_buffer;
-
-typedef struct _console_device {
- console_buffer input;
- console_buffer output;
-} console_device;
-
-typedef enum {
- console_read_buffer = 0,
- console_read_status = 4,
- console_write_buffer = 8,
- console_write_status = 12,
- console_offset_mask = 0xc,
- console_size = 16,
-} console_offsets;
-
-static int console_use_stdio = WITH_STDIO;
-
-/* check the console for an available character */
-static void
-scan_console(console_device *console)
-{ /* check for input */
- int flags;
- int status;
-
- /* Use stdio if desired. */
- if (console_use_stdio) {
- int ch = getchar ();
- if (ch == EOF) {
- console->input.status = 0;
- console->input.buffer = '\0';
- } else {
- console->input.status = 1;
- console->input.buffer = ch;
- }
- return;
- }
-
- /* get the old status */
- flags = fcntl(0, F_GETFL, 0);
- if (flags == -1) {
- perror("console");
- return;
- }
-
- /* temp, disable blocking IO */
- status = fcntl(0, F_SETFL, flags | O_NDELAY);
- if (status == -1) {
- perror("console");
- return;
- }
- /* try for input */
- status = read(0, &console->input.buffer, 1);
- if (status == 1) {
- console->input.status = 1;
- }
- else {
- console->input.status = 0;
- }
- /* return to regular vewing */
- flags = fcntl(0, F_SETFL, flags);
- if (flags == -1) {
- perror("console");
- return;
- }
-}
-
-/* write the character to the console */
-static void
-write_console(console_device *console,
- char val)
-{
- DTRACE(console, ("<%c:%d>", val, val));
- if (console_use_stdio)
- putchar (val);
- else
- printf_filtered("%c", val) ;
- console->output.buffer = val;
- console->output.status = 1;
-}
-
-static unsigned
-console_io_read_buffer_callback(device *me,
- void *dest,
- int space,
- unsigned_word addr,
- unsigned nr_bytes,
- cpu *processor,
- unsigned_word cia)
-{
- console_device *console = (console_device*)device_data(me);
- unsigned_1 val;
-
- /* determine what was read */
-
- switch ((int)addr & console_offset_mask) {
-
- case console_read_buffer:
- val = console->input.buffer;
- break;
-
- case console_read_status:
- scan_console(console);
- val = console->input.status;
- break;
-
- case console_write_buffer:
- val = console->output.buffer;
- break;
-
- case console_write_status:
- val = console->output.status;
- break;
-
- default:
- error("console_read_callback() internal error\n");
- val = 0;
- break;
-
- }
-
- memset(dest, 0, nr_bytes);
- *(unsigned_1*)dest = val;
- return nr_bytes;
-}
-
-static unsigned
-console_io_write_buffer_callback(device *me,
- const void *source,
- int space,
- unsigned_word addr,
- unsigned nr_bytes,
- cpu *processor,
- unsigned_word cia)
-{
- console_device *console = (console_device*)device_data(me);
- unsigned_1 val = *(unsigned_1*)source;
-
- switch ((int)addr & console_offset_mask) {
-
- case console_read_buffer:
- console->input.buffer = val;
- break;
-
- case console_read_status:
- console->input.status = val;
- break;
-
- case console_write_buffer:
- write_console(console, val);
- if (console_use_stdio)
- fflush (stdout);
- break;
-
- case console_write_status:
- console->output.status = val;
- break;
-
- default:
- error("console_write_callback() internal error\n");
-
- }
-
- return nr_bytes;
-}
-
-/* instances of the console device */
-static void *
-console_instance_create_callback(device *me,
- const char *args)
-{
- /* make life easier, attach the console data to the instance */
- return device_data(me);
-}
-
-static void
-console_instance_delete_callback(device_instance *instance)
-{
- /* nothing to delete, the console is attached to the device */
- return;
-}
-
-static int
-console_instance_read_callback(device_instance *instance,
- void *buf,
- unsigned_word len)
-{
- console_device *console = device_instance_data(instance);
- if (console_use_stdio) {
- char *p = fgets (buf, len, stdin);
- if (!p)
- return ferror (stdin) ? -1 : -2;
-
- return strlen (p);
- }
-
- if (!console->input.status)
- scan_console(console);
- if (console->input.status) {
- *(char*)buf = console->input.buffer;
- console->input.status = 0;
- return 1;
- }
- else {
- return -2; /* not ready */
- }
-}
-
-static int
-console_instance_write_callback(device_instance *instance,
- const void *buf,
- unsigned_word len)
-{
- int i;
- const char *chp = buf;
- console_device *console = device_instance_data(instance);
- for (i = 0; i < len; i++)
- write_console(console, chp[i]);
- if (console_use_stdio && len)
- fflush (stdout);
- return i;
-}
-
-static device_callbacks const console_callbacks = {
- generic_device_init_address,
- ignore_device_init,
- unimp_device_attach_address,
- unimp_device_detach_address,
- console_io_read_buffer_callback,
- console_io_write_buffer_callback,
- unimp_device_dma_read_buffer,
- unimp_device_dma_write_buffer,
- unimp_device_interrupt_event,
- unimp_device_child_interrupt_event,
- unimp_device_unit_decode,
- unimp_device_unit_encode,
- console_instance_create_callback,
- console_instance_delete_callback,
- console_instance_read_callback,
- console_instance_write_callback,
- unimp_device_instance_seek,
- unimp_device_ioctl,
-};
-
-
-static void *
-console_create(const char *name,
- const device_unit *unit_address,
- const char *args,
- device *parent)
-{
- /* create the descriptor */
- console_device *console = ZALLOC(console_device);
- console->output.status = 1;
- console->output.buffer = '\0';
- console->input.status = 0;
- console->input.buffer = '\0';
- return console;
-}
-
-
-\f
-/* ICU device: icu@<address>
-
- <address> : read - processor nr
- <address> : write - interrupt processor nr
- <address> + 4 : read - nr processors
-
- Single byte registers that control a simple ICU.
-
- Illustrates passing of events to parent device. Passing of
- interrupts to an interrupt destination. */
-
-
-static unsigned
-icu_io_read_buffer_callback(device *me,
- void *dest,
- int space,
- unsigned_word addr,
- unsigned nr_bytes,
- cpu *processor,
- unsigned_word cia)
-{
- memset(dest, 0, nr_bytes);
- switch (addr & 4) {
- case 0:
- *(unsigned_1*)dest = cpu_nr(processor);
- break;
- case 4:
- *(unsigned_1*)dest =
- device_find_integer_property(me, "/openprom/options/smp");
- break;
- }
- return nr_bytes;
-}
-
-
-static unsigned
-icu_io_write_buffer_callback(device *me,
- const void *source,
- int space,
- unsigned_word addr,
- unsigned nr_bytes,
- cpu *processor,
- unsigned_word cia)
-{
- unsigned_1 val = H2T_1(*(unsigned_1*)source);
- /* tell the parent device that the interrupt lines have changed.
- For this fake ICU. The interrupt lines just indicate the cpu to
- interrupt next */
- device_interrupt_event(me,
- val, /*my_port*/
- val, /*val*/
- processor, cia);
- return nr_bytes;
-}
-
-static void
-icu_do_interrupt(event_queue *queue,
- void *data)
-{
- cpu *target = (cpu*)data;
- /* try to interrupt the processor. If the attempt fails, try again
- on the next tick */
- if (!external_interrupt(target))
- event_queue_schedule(queue, 1, icu_do_interrupt, target);
-}
-
-
-static void
-icu_interrupt_event_callback(device *me,
- int my_port,
- device *source,
- int source_port,
- int level,
- cpu *processor,
- unsigned_word cia)
-{
- /* the interrupt controller can't interrupt a cpu at any time.
- Rather it must synchronize with the system clock before
- performing an interrupt on the given processor */
- psim *system = cpu_system(processor);
- cpu *target = psim_cpu(system, my_port);
- if (target != NULL) {
- event_queue *events = cpu_event_queue(target);
- event_queue_schedule(events, 1, icu_do_interrupt, target);
- }
-}
-
-static device_callbacks const icu_callbacks = {
- generic_device_init_address,
- ignore_device_init,
- unimp_device_attach_address,
- unimp_device_detach_address,
- icu_io_read_buffer_callback,
- icu_io_write_buffer_callback,
- unimp_device_dma_read_buffer,
- unimp_device_dma_write_buffer,
- icu_interrupt_event_callback,
- unimp_device_child_interrupt_event,
- unimp_device_unit_decode,
- unimp_device_unit_encode,
- unimp_device_instance_create,
- unimp_device_instance_delete,
- unimp_device_instance_read,
- unimp_device_instance_write,
- unimp_device_instance_seek,
- unimp_device_ioctl,
-};
-
-
-\f
-/* HALT device: halt@0x<address>,4
-
- With real hardware, the processor operation is normally terminated
- through a reset. This device illustrates how a reset device could
- be attached to an address */
-
-
-static unsigned
-halt_io_read_buffer_callback(device *me,
- void *dest,
- int space,
- unsigned_word addr,
- unsigned nr_bytes,
- cpu *processor,
- unsigned_word cia)
-{
- cpu_halt(processor, cia, was_exited, 0);
- return 0;
-}
-
-
-static unsigned
-halt_io_write_buffer_callback(device *me,
- const void *source,
- int space,
- unsigned_word addr,
- unsigned nr_bytes,
- cpu *processor,
- unsigned_word cia)
-{
- cpu_halt(processor, cia, was_exited, *(unsigned_1*)source);
- return 0;
-}
-
-
-static device_callbacks const halt_callbacks = {
- generic_device_init_address,
- ignore_device_init,
- unimp_device_attach_address,
- unimp_device_detach_address,
- halt_io_read_buffer_callback,
- halt_io_write_buffer_callback,
- unimp_device_dma_read_buffer,
- unimp_device_dma_write_buffer,
- unimp_device_interrupt_event,
- unimp_device_child_interrupt_event,
- unimp_device_unit_decode,
- unimp_device_unit_encode,
- unimp_device_instance_create,
- unimp_device_instance_delete,
- unimp_device_instance_read,
- unimp_device_instance_write,
- unimp_device_instance_seek,
- unimp_device_ioctl,
+ { NULL, }, /* init */
+ { passthrough_device_address_attach,
+ passthrough_device_address_detach, },
+ { NULL, }, /* IO */
+ { passthrough_device_dma_read_buffer, passthrough_device_dma_write_buffer, },
+ { NULL, }, /* interrupt */
+ { generic_device_unit_decode,
+ generic_device_unit_encode, },
};
static void
do_register_init(device *me,
- psim *system,
const device_property *prop)
{
+ psim *system = device_system(me);
if (prop != NULL) {
const char *name = prop->name;
unsigned32 value = device_find_integer_property(me, name);
int processor;
- do_register_init(me, system, device_next_property(prop));
+ do_register_init(me, device_next_property(prop));
if (strchr(name, '.') == NULL) {
processor = -1;
static void
-register_init_data_callback(device *me,
- psim *system)
+register_init_data_callback(device *me)
{
const device_property *prop = device_find_property(me, NULL);
- do_register_init(me, system, prop);
+ do_register_init(me, prop);
}
static device_callbacks const register_callbacks = {
- ignore_device_init,
- register_init_data_callback,
- unimp_device_attach_address,
- unimp_device_detach_address,
- unimp_device_io_read_buffer,
- unimp_device_io_write_buffer,
- unimp_device_dma_read_buffer,
- unimp_device_dma_write_buffer,
- unimp_device_interrupt_event,
- unimp_device_child_interrupt_event,
- unimp_device_unit_decode,
- unimp_device_unit_encode,
- unimp_device_instance_create,
- unimp_device_instance_delete,
- unimp_device_instance_read,
- unimp_device_instance_write,
- unimp_device_instance_seek,
- unimp_device_ioctl,
+ { NULL, register_init_data_callback, },
+ { NULL, }, /* address */
+ { NULL, }, /* IO */
+ { NULL, }, /* DMA */
+ { NULL, }, /* interrupt */
+ { NULL, }, /* unit */
};
match what was specified in the device tree. */
static void
-trace_init_data_callback(device *me,
- psim *system)
+trace_init_data_callback(device *me)
{
const device_property *prop = device_find_property(me, NULL);
while (prop != NULL) {
static device_callbacks const trace_callbacks = {
- ignore_device_init,
- trace_init_data_callback,
- unimp_device_attach_address,
- unimp_device_detach_address,
- unimp_device_io_read_buffer,
- unimp_device_io_write_buffer,
- unimp_device_dma_read_buffer,
- unimp_device_dma_write_buffer,
- unimp_device_interrupt_event,
- unimp_device_child_interrupt_event,
- unimp_device_unit_decode,
- unimp_device_unit_encode,
- unimp_device_instance_create,
- unimp_device_instance_delete,
- unimp_device_instance_read,
- unimp_device_instance_write,
- unimp_device_instance_seek,
- unimp_device_ioctl,
+ { NULL, trace_init_data_callback, },
+ { NULL, }, /* address */
+ { NULL, }, /* IO */
+ { NULL, }, /* DMA */
+ { NULL, }, /* interrupt */
+ { NULL, }, /* unit */
};
static void
-vm_init_address_callback(device *me,
- psim *system)
+vm_init_address_callback(device *me)
{
vm_device *vm = (vm_device*)device_data(me);
/* establish this device as the default memory handler */
device_attach_address(device_parent(me),
device_name(me),
- attach_default,
+ attach_callback + 1,
0 /*address space - ignore*/,
0 /*addr - ignore*/,
- 0 /*nr_bytes - ignore*/,
+ (((unsigned)0)-1) /*nr_bytes - ignore*/,
access_read_write /*access*/,
me);
}
}
-static void
+static int
vm_ioctl_callback(device *me,
psim *system,
cpu *processor,
va_list ap)
{
/* While the caller is notified that the heap has grown by the
- requested amount, the heap is infact extended out to a page
+ requested amount, the heap is actually extended out to a page
boundary. */
vm_device *vm = (vm_device*)device_data(me);
- unsigned_word new_break = ALIGN_8(cpu_registers(processor)->gpr[3]);
+ unsigned_word requested_break = va_arg(ap, unsigned_word);
+ unsigned_word new_break = ALIGN_8(requested_break);
unsigned_word old_break = vm->heap_bound;
signed_word delta = new_break - old_break;
if (delta > 0)
vm->heap_bound = ALIGN_PAGE(new_break);
- cpu_registers(processor)->gpr[0] = 0;
- cpu_registers(processor)->gpr[3] = new_break;
+ return 0;
}
static device_callbacks const vm_callbacks = {
- vm_init_address_callback,
- ignore_device_init,
- vm_attach_address,
- passthrough_device_detach_address,
- vm_io_read_buffer_callback,
- vm_io_write_buffer_callback,
- unimp_device_dma_read_buffer,
- passthrough_device_dma_write_buffer,
- unimp_device_interrupt_event,
- unimp_device_child_interrupt_event,
- generic_device_unit_decode,
- generic_device_unit_encode,
- unimp_device_instance_create,
- unimp_device_instance_delete,
- unimp_device_instance_read,
- unimp_device_instance_write,
- unimp_device_instance_seek,
+ { vm_init_address_callback, },
+ { vm_attach_address,
+ passthrough_device_address_detach, },
+ { vm_io_read_buffer_callback,
+ vm_io_write_buffer_callback, },
+ { NULL, passthrough_device_dma_write_buffer, },
+ { NULL, }, /* interrupt */
+ { generic_device_unit_decode,
+ generic_device_unit_encode, },
+ { NULL, }, /* instance */
vm_ioctl_callback,
};
}
-\f
-/* Memory init device: memory@0x<addr>
-
- This strange device is used create sections of memory */
-
-static void
-memory_init_address_callback(device *me,
- psim *system)
-{
- const device_property *reg = device_find_array_property(me, "reg");
- const reg_spec *spec = reg->array;
- int nr_entries = reg->sizeof_array / sizeof(*spec);
-
- if ((reg->sizeof_array % sizeof(*spec)) != 0)
- error("devices/%s reg property of incorrect size\n", device_name(me));
- while (nr_entries > 0) {
- device_attach_address(device_parent(me),
- device_name(me),
- attach_raw_memory,
- 0 /*address space*/,
- BE2H_4(spec->base),
- BE2H_4(spec->size),
- access_read_write_exec,
- me);
- spec++;
- nr_entries--;
- }
-}
-
-static void *
-memory_instance_create_callback(device *me,
- const char *args)
-{
- return me; /* for want of any thing better */
-}
-
-static void
-memory_instance_delete_callback(device_instance *instance)
-{
- return;
-}
-
-static device_callbacks const memory_callbacks = {
- memory_init_address_callback,
- ignore_device_init,
- unimp_device_attach_address,
- unimp_device_detach_address,
- unimp_device_io_read_buffer,
- unimp_device_io_write_buffer,
- unimp_device_dma_read_buffer,
- unimp_device_dma_write_buffer,
- unimp_device_interrupt_event,
- unimp_device_child_interrupt_event,
- unimp_device_unit_decode,
- unimp_device_unit_encode,
- memory_instance_create_callback,
- memory_instance_delete_callback,
- unimp_device_instance_read,
- unimp_device_instance_write,
- unimp_device_instance_seek,
- unimp_device_ioctl,
-};
-
-
-\f
-/* IOBUS device: iobus@<address>
-
- Simple bus on which some IO devices live */
-
-static void
-iobus_attach_address_callback(device *me,
- const char *name,
- attach_type type,
- int space,
- unsigned_word addr,
- unsigned nr_bytes,
- access_type access,
- device *who) /*callback/default*/
-{
- unsigned_word iobus_addr;
- /* sanity check */
- if (type == attach_default)
- error("iobus_attach_address_callback() no default for %s/%s\n",
- device_name(me), name);
- if (space != 0)
- error("iobus_attach_address_callback() no space for %s/%s\n",
- device_name(me), name);
- /* get the bus address */
- if (device_unit_address(me)->nr_cells != 1)
- error("iobus_attach_address_callback() invalid address for %s\n",
- device_name(me));
- iobus_addr = device_unit_address(me)->cells[0];
- device_attach_address(device_parent(me),
- device_name(me),
- type,
- 0 /*space*/,
- iobus_addr + addr,
- nr_bytes,
- access,
- who);
-}
-
-
-static device_callbacks const iobus_callbacks = {
- ignore_device_init,
- ignore_device_init,
- iobus_attach_address_callback,
- unimp_device_detach_address,
- unimp_device_io_read_buffer,
- unimp_device_io_write_buffer,
- unimp_device_dma_read_buffer,
- unimp_device_dma_write_buffer,
- unimp_device_interrupt_event,
- unimp_device_child_interrupt_event,
- generic_device_unit_decode,
- generic_device_unit_encode,
- unimp_device_instance_create,
- unimp_device_instance_delete,
- unimp_device_instance_read,
- unimp_device_instance_write,
- unimp_device_instance_seek,
- unimp_device_ioctl,
-};
-
-
\f
/* FILE device: file@0x<address>,<file-name>
(later - file@0x<address>,<size>,<file-offset>,<file-name>)
static void
-file_init_data_callback(device *me,
- psim *system)
+file_init_data_callback(device *me)
{
int count;
const char *file_name = device_find_string_property(me, "file-name");
static device_callbacks const file_callbacks = {
- ignore_device_init,
- file_init_data_callback,
- unimp_device_attach_address,
- unimp_device_detach_address,
- unimp_device_io_read_buffer,
- unimp_device_io_write_buffer,
- unimp_device_dma_read_buffer,
- unimp_device_dma_write_buffer,
- unimp_device_interrupt_event,
- unimp_device_child_interrupt_event,
- unimp_device_unit_decode,
- unimp_device_unit_encode,
- unimp_device_instance_create,
- unimp_device_instance_delete,
- unimp_device_instance_read,
- unimp_device_instance_write,
- unimp_device_instance_seek,
- unimp_device_ioctl,
+ { NULL, file_init_data_callback, },
+ { NULL, }, /* address */
+ { NULL, }, /* IO */
+ { NULL, }, /* DMA */
+ { NULL, }, /* interrupt */
+ { NULL, }, /* unit */
};
Store <data> at <address> using approperiate byte order */
static void
-data_init_data_callback(device *me,
- psim *system)
+data_init_data_callback(device *me)
{
unsigned_word addr = device_find_integer_property(me, "real-address");
const device_property *data = device_find_property(me, "data");
static device_callbacks const data_callbacks = {
- ignore_device_init,
- data_init_data_callback,
- unimp_device_attach_address,
- unimp_device_detach_address,
- unimp_device_io_read_buffer,
- unimp_device_io_write_buffer,
- unimp_device_dma_read_buffer,
- unimp_device_dma_write_buffer,
- unimp_device_interrupt_event,
- unimp_device_child_interrupt_event,
- unimp_device_unit_decode,
- unimp_device_unit_encode,
- unimp_device_instance_create,
- unimp_device_instance_delete,
- unimp_device_instance_read,
- unimp_device_instance_write,
- unimp_device_instance_seek,
- unimp_device_ioctl,
+ { NULL, data_init_data_callback, },
+ { NULL, }, /* address */
+ { NULL, }, /* IO */
+ { NULL, }, /* DMA */
+ { NULL, }, /* interrupt */
+ { NULL, }, /* unit */
};
}
static void
-htab_init_data_callback(device *me,
- psim *system)
+htab_init_data_callback(device *me)
{
if (WITH_TARGET_WORD_BITSIZE != 32)
error("devices/htab: only 32bit targets currently suported\n");
static device_callbacks const htab_callbacks = {
- ignore_device_init,
- htab_init_data_callback,
- unimp_device_attach_address,
- unimp_device_detach_address,
- unimp_device_io_read_buffer,
- unimp_device_io_write_buffer,
- passthrough_device_dma_read_buffer,
- passthrough_device_dma_write_buffer,
- unimp_device_interrupt_event,
- unimp_device_child_interrupt_event,
- generic_device_unit_decode,
- generic_device_unit_encode,
- unimp_device_instance_create,
- unimp_device_instance_delete,
- unimp_device_instance_read,
- unimp_device_instance_write,
- unimp_device_instance_seek,
- unimp_device_ioctl,
+ { NULL, htab_init_data_callback, },
+ { NULL, }, /* address */
+ { NULL, }, /* IO */
+ { passthrough_device_dma_read_buffer,
+ passthrough_device_dma_write_buffer, },
+ { NULL, }, /* interrupt */
+ { generic_device_unit_decode,
+ generic_device_unit_encode, },
};
bfd_get_section_flags(abfd, the_section) & SEC_READONLY ? " READONLY" : ""
));
+ /* If there is an .interp section, it means it needs a shared library interpreter. */
+ if (strcmp(".interp", bfd_get_section_name(abfd, the_section)) == 0)
+ error("Shared libraries are not yet supported.\n");
+
/* determine the devices access */
access = access_read;
if (bfd_get_section_flags(abfd, the_section) & SEC_CODE)
static void
-binary_init_data_callback(device *me,
- psim *system)
+binary_init_data_callback(device *me)
{
/* get the file name */
const char *file_name = device_find_string_property(me, "file-name");
static device_callbacks const binary_callbacks = {
- ignore_device_init,
- binary_init_data_callback,
- unimp_device_attach_address,
- unimp_device_detach_address,
- unimp_device_io_read_buffer,
- unimp_device_io_write_buffer,
- unimp_device_dma_read_buffer,
- unimp_device_dma_write_buffer,
- unimp_device_interrupt_event,
- unimp_device_child_interrupt_event,
- unimp_device_unit_decode,
- unimp_device_unit_encode,
- unimp_device_instance_create,
- unimp_device_instance_delete,
- unimp_device_instance_read,
- unimp_device_instance_write,
- unimp_device_instance_seek,
- unimp_device_ioctl,
+ { NULL, binary_init_data_callback, },
+ { NULL, }, /* address */
+ { NULL, }, /* IO */
+ { NULL, }, /* DMA */
+ { NULL, }, /* interrupt */
+ { NULL, }, /* unit */
};
-static void
+static int
stack_ioctl_callback(device *me,
psim *system,
cpu *processor,
create_aix_stack_frame(system, stack_pointer, argv, envp);
DTRACE(stack,
("stack_ioctl_callback() = void\n"));
+ return 0;
}
static device_callbacks const stack_callbacks = {
- ignore_device_init,
- ignore_device_init,
- unimp_device_attach_address,
- unimp_device_detach_address,
- unimp_device_io_read_buffer,
- unimp_device_io_write_buffer,
- unimp_device_dma_read_buffer,
- unimp_device_dma_write_buffer,
- unimp_device_interrupt_event,
- unimp_device_child_interrupt_event,
- unimp_device_unit_decode,
- unimp_device_unit_encode,
- unimp_device_instance_create,
- unimp_device_instance_delete,
- unimp_device_instance_read,
- unimp_device_instance_write,
- unimp_device_instance_seek,
+ { NULL, },
+ { NULL, }, /* address */
+ { NULL, }, /* IO */
+ { NULL, }, /* DMA */
+ { NULL, }, /* interrupt */
+ { NULL, }, /* unit */
+ { NULL, }, /* instance */
stack_ioctl_callback,
};
\f
-device_descriptor device_table[] = {
- { "console", console_create, &console_callbacks },
- { "memory", NULL, &memory_callbacks },
- { "eeprom", NULL, &memory_callbacks },
+static const device_descriptor old_device_table[] = {
{ "vm", vea_vm_create, &vm_callbacks },
- { "halt", NULL, &halt_callbacks },
- { "icu", NULL, &icu_callbacks },
{ "register", NULL, ®ister_callbacks },
- { "iobus", NULL, &iobus_callbacks },
{ "file", NULL, &file_callbacks },
{ "data", NULL, &data_callbacks },
{ "htab", NULL, &htab_callbacks },
{ NULL },
};
+const device_descriptor *const device_table[] = {
+ old_device_table,
+#include "hw.c"
+ NULL,
+};
+
+
#endif /* _DEVICE_TABLE_C_ */
projects / binutils-gdb.git / commitdiff