#include <devices/ide.h>
#include <devices/atapi.h>
-#ifdef DEBUG_RAMDISK
-//#define Ramdisk_Print(_f, _a...) PrintTrace("\nramdisk.c(%d) " _f, __LINE__, ## _a)
-#define Ramdisk_Print(_f, _a...) PrintTrace("\nramdisk.c " _f, ## _a)
-#else
-#define Ramdisk_Print(_f, _a...)
+#ifndef DEBUG_RAMDISK
+#undef PrintDebug
+#define PrintDebug(_f, _a...)
#endif
-
-#define RD_PANIC(_f, _a...) \
- do { \
- PrintDebug("ramdisk.c(%d) " _f, __LINE__, ## _a); \
- while(1); \
- } \
- while(0)
-
-#define RD_ERROR(_f, _a...) PrintTrace("\nramdisk.c(%d) " _f, __LINE__, ## _a)
-
-
-
-
-
+
/*
* Data type definitions
*/
#define INDEX_PULSE_CYCLE 10
-#define MAX_ATA_CHANNEL 4
+
#define INTR_REASON_BIT_ERR 0x01
-struct ramdisk_t {
- struct channel_t channels[MAX_ATA_CHANNEL];
-};
/*
}
+static inline uint_t get_channel_no(struct ramdisk_t * ramdisk, struct channel_t * channel) {
+ return (((uchar_t *)channel - (uchar_t *)(ramdisk->channels)) / sizeof(struct channel_t));
+}
+
+static inline uint_t get_drive_no(struct channel_t * channel, struct drive_t * drive) {
+ return (((uchar_t *)drive - (uchar_t*)(channel->drives)) / sizeof(struct drive_t));
+}
static inline struct drive_t * get_selected_drive(struct channel_t * channel) {
return &(channel->drives[channel->drive_select]);
static void rd_command_aborted(struct vm_device * dev, struct channel_t * channel, unsigned value);
+
+
+static int handle_atapi_packet_command(struct vm_device * dev,
+ struct channel_t * channel,
+ ushort_t val);
+
+static int rd_init_send_atapi_command(struct vm_device * dev,
+ struct channel_t * channel,
+ Bit8u command, int req_length,
+ int alloc_length, bool lazy);
+
+static void rd_ready_to_send_atapi(struct vm_device * dev,
+ struct channel_t * channel);
+
+static void rd_atapi_cmd_error(struct vm_device * dev,
+ struct channel_t * channel,
+ sense_t sense_key, asc_t asc);
+
+static void rd_atapi_cmd_nop(struct vm_device * dev, struct channel_t * channel);
+static void rd_identify_ATAPI_drive(struct vm_device * dev, struct channel_t * channel);
+
+
+
/*
* Interrupt handling
*/
#ifdef DEBUG_RAMDISK
-static void rd_print_state(struct ramdisk_t *ramdisk, struct vm_device *dev)
+static void rd_print_state(struct ramdisk_t *ramdisk);
static int check_bit_fields(struct controller_t * controller);
#endif
////////////////////////////////////////////////////////////////////
uint_t device;
struct channel_t *channels = (struct channel_t *)(&(ramdisk->channels));
- Ramdisk_Print("[rd_init_harddrive]\n");
+ PrintDebug("[rd_init_harddrive]\n");
for (channel_num = 0; channel_num < MAX_ATA_CHANNEL; channel_num++) {
memset((char *)(channels + channel_num), 0, sizeof(struct channel_t));
strcat ((char*)(drive->model_no), " ");
}
- Ramdisk_Print("CDROM on target %d/%d\n", channel, device);
+ PrintDebug("CDROM on target %d/%d\n", channel_num, device);
drive->device_type = IDE_CDROM;
drive->cdrom.locked = 0;
drive->sense.asc = 0;
drive->sense.ascq = 0;
-#ifdef RAMDISK_DEBUG
+#ifdef DEBUG_RAMDISK
if (check_bit_fields(controller) == INTR_REASON_BIT_ERR) {
- Ramdisk_Print("interrupt reason: bit field error\n");
+ PrintDebug("interrupt reason: bit field error\n");
return INTR_REASON_BIT_ERR;
}
#endif
controller->sector_count = 0;
// allocate low level driver
- drive->cdrom.cd = (struct cdrom_interface*)V3_Malloc(sizeof(struct cdrom_interface));
- Ramdisk_Print("cd = %x\n", drive->cdrom.cd);
+ drive->cdrom.cd = (struct cdrom_interface *)V3_Malloc(sizeof(struct cdrom_interface));
+ PrintDebug("cd = %x\n", drive->cdrom.cd);
V3_ASSERT(drive->cdrom.cd != NULL);
struct cdrom_interface * cdif = drive->cdrom.cd;
init_cdrom(cdif);
cdif->ops.init(cdif);
- Ramdisk_Print("\t\tCD on ata%d-%d: '%s'\n",channel, device, "");
+ PrintDebug("\t\tCD on ata%d-%d: '%s'\n",
+ channel_num,
+ device, "");
if((drive->cdrom.cd->ops).insert_cdrom(cdif, NULL)) {
- Ramdisk_Print("\t\tMedia present in CD-ROM drive\n");
+ PrintDebug("\t\tMedia present in CD-ROM drive\n");
drive->cdrom.ready = 1;
drive->cdrom.capacity = drive->cdrom.cd->ops.capacity(cdif);
} else {
- Ramdisk_Print("\t\tCould not locate CD-ROM, continuing with media not present\n");
+ PrintDebug("\t\tCould not locate CD-ROM, continuing with media not present\n");
drive->cdrom.ready = 0;
}
}//for device
}//for channel
-
+#ifdef DEBUG_RAMDISK
+ rd_print_state(ramdisk);
+#endif
return 0;
}
struct channel_t * channel = NULL;
struct drive_t * drive = NULL;
struct controller_t * controller = NULL;
- struct cdrom_interface *cdif = drive->cdrom.cd;
+
if (is_primary_port(ramdisk, port)) {
controller = &(drive->controller);
+ PrintDebug("[read_data_handler] IO Read at 0x%x, on drive %d/%d (current_cmd = 0x%02x)\n",
+ port,
+ get_channel_no(ramdisk, channel),
+ get_drive_no(channel, drive),
+ controller->current_command);
+
switch (controller->current_command) {
case 0xec: // IDENTIFY DEVICE
case 0xa1:
uint_t index = controller->buffer_index;
- Ramdisk_Print("\t\tatapi.command(%02x), index(%d), cdrom.remaining_blocks(%d)\n",
+ PrintDebug("\t\tatapi.command(%02x), index(%d), cdrom.remaining_blocks(%d)\n",
drive->atapi.command,
index,
drive->cdrom.remaining_blocks);
if (index >= 2048) {
if (index > 2048) {
- RD_PANIC("\t\tindex > 2048 : 0x%x\n",index);
+ PrintError("\t\tindex > 2048 : 0x%x\n", index);
+ return -1;
}
switch (drive->atapi.command) {
case 0x28: // read (10)
case 0xa8: // read (12)
-
- if (!(drive->cdrom.ready)) {
- RD_PANIC("\t\tRead with CDROM not ready\n");
- }
-
- drive->cdrom.cd->ops.read_block(cdif, controller->buffer,
- drive->cdrom.next_lba);
- drive->cdrom.next_lba++;
- drive->cdrom.remaining_blocks--;
-
-
- if (!(drive->cdrom.remaining_blocks)) {
- Ramdisk_Print("\t\tLast READ block loaded {CDROM}\n");
- } else {
- Ramdisk_Print("\t\tREAD block loaded (%d remaining) {CDROM}\n",
- drive->cdrom.remaining_blocks);
+ {
+ struct cdrom_interface * cdif = drive->cdrom.cd;
+
+ if (!(drive->cdrom.ready)) {
+ PrintError("\t\tRead with CDROM not ready\n");
+ return -1;
+ }
+
+ drive->cdrom.cd->ops.read_block(cdif, controller->buffer,
+ drive->cdrom.next_lba);
+ drive->cdrom.next_lba++;
+ drive->cdrom.remaining_blocks--;
+
+
+ if (!(drive->cdrom.remaining_blocks)) {
+ PrintDebug("\t\tLast READ block loaded {CDROM}\n");
+ } else {
+ PrintDebug("\t\tREAD block loaded (%d remaining) {CDROM}\n",
+ drive->cdrom.remaining_blocks);
+ }
+
+ // one block transfered, start at beginning
+ index = 0;
+ break;
}
-
- // one block transfered, start at beginning
- index = 0;
- break;
-
default: // no need to load a new block
break;
}
if (drive->atapi.total_bytes_remaining > 0) {
// one or more blocks remaining (works only for single block commands)
- Ramdisk_Print("\t\tPACKET drq bytes read\n");
+ PrintDebug("\t\tPACKET drq bytes read\n");
controller->interrupt_reason.i_o = 1;
controller->status.busy = 0;
controller->status.drq = 1;
rd_raise_interrupt(dev, channel);
} else {
// all bytes read
- Ramdisk_Print("\t\tPACKET all bytes read\n");
+ PrintDebug("\t\tPACKET all bytes read\n");
controller->interrupt_reason.i_o = 1;
controller->interrupt_reason.c_d = 1;
}
default:
- Ramdisk_Print("\t\tread need support more command: %02x\n", controller->current_command);
+ PrintDebug("\t\tread need support more command: %02x\n", controller->current_command);
break;
}
drive = get_selected_drive(channel);
controller = &(drive->controller);
- Ramdisk_Print("\t\twrite port 170\n");
+ PrintDebug("[write_data_handler] IO write at 0x%x, current_cmd = 0x%02x\n",
+ port, controller->current_command);
switch (controller->current_command) {
case 0x30: // WRITE SECTORS
- RD_PANIC("\t\tneed to implement 0x30(write sector) to port 0x170\n");
+ PrintError("\t\tneed to implement 0x30(write sector) to port 0x%x\n", port);
return -1;
case 0xa0: // PACKET
- handle_atapi_packet_command(dev, channel, *(ushort_t *)src);
+ if (handle_atapi_packet_command(dev, channel, *(ushort_t *)src) == -1) {
+ return -1;
+ }
return length;
default:
- RD_PANIC("\t\tIO write(0x%x): current command is %02xh\n",
- port, controller->current_command);
+ PrintError("\t\tIO write(0x%x): current command is %02xh\n",
+ port, controller->current_command);
return -1;
}
drive = get_selected_drive(channel);
controller = &(drive->controller);
+ PrintDebug("[read_status_handler] IO read at 0x%x, on drive %d/%d\n",
+ port, get_channel_no(ramdisk, channel),
+ channel->drive_select);
+
if (num_drives_on_channel(channel) == 0) {
// (mch) Just return zero for these registers
uchar_t value = *(uchar_t *)src;
if (length != 1) {
- PrintError("Invalid Status port read length: %d (port=%d)\n", length, port);
+ PrintError("Invalid Command port write length: %d (port=%d)\n", length, port);
return -1;
}
controller = &(drive->controller);
+ PrintDebug("[write_command_handler] IO write at 0x%x, on drive %d/%d (val = 0x%x)\n",
+ port, get_channel_no(ramdisk, channel),
+ channel->drive_select,
+ value);
+
switch (value) {
// ATAPI commands
case 0xa1: // IDENTIFY PACKET DEVICE
controller->status.busy = 0;
controller->status.write_fault = 0;
-
-typedef struct {
- unsigned cylinders;
- unsigned heads;
- unsigned sectors;
-} device_image_t; // serv bit??
+ // serv bit??
controller->status.drq = 1;
controller->status.err = 0;
return -1;
}
- return 0;
+ return length;
}
controller = &(get_selected_drive(channel)->controller);
+ PrintDebug("[write_control_handler] IO write at 0x%x, on drive %d/%d (val = 0x%x)\n",
+ port, get_channel_no(ramdisk, channel),
+ channel->drive_select,
+ value);
+
// (mch) Even if device 1 was selected, a write to this register
// goes to device 0 (if device 1 is absent)
master_drive->controller.control.disable_irq = value & 0x02;
slave_drive->controller.control.disable_irq = value & 0x02;
- Ramdisk_Print("\t\tadpater control reg: reset controller = %d\n",
+ PrintDebug("\t\tadpater control reg: reset controller = %d\n",
(unsigned) (controller->control.reset) ? 1 : 0);
- Ramdisk_Print("\t\tadpater control reg: disable_irq(X) = %d\n",
+ PrintDebug("\t\tadpater control reg: disable_irq(X) = %d\n",
(unsigned) (controller->control.disable_irq) ? 1 : 0);
if ((!prev_control_reset) && (controller->control.reset)) {
uint_t id = 0;
// transition from 0 to 1 causes all drives to reset
- Ramdisk_Print("\t\thard drive: RESET\n");
+ PrintDebug("\t\thard drive: RESET\n");
// (mch) Set BSY, drive not ready
for (id = 0; id < 2; id++) {
// Device signature
if (drv->device_type == IDE_DISK) {
- PrintDebug("\t\tdrive %d/%d is harddrive\n", channel, id);
+ PrintDebug("\t\tdrive %d/%d is harddrive\n", get_channel_no(ramdisk, channel), id);
ctrl->head_no = 0;
ctrl->sector_count = 1;
ctrl->sector_no = 1;
controller = &(drive->controller);
- Ramdisk_Print("[R_handler] IO read addr at %x, on drive %d/%d, curcmd = %02x\n",
- address, channel,
- drive_select,
- SELECTED_CONTROLLER(channel).current_command);
+ PrintDebug("[read_general_handler] IO read addr at %x, on drive %d/%d, curcmd = %02x\n",
+ port, get_channel_no(ramdisk, channel),
+ channel->drive_select,
+ controller->current_command);
switch (port) {
controller = &(drive->controller);
- Ramdisk_Print("[W_handler] IO write to %x = %02x, channel = %d\n",
- port, (unsigned) value, channel);
+ PrintDebug("[write_general_handler] IO write to port %x (val=0x%02x), channel = %d\n",
+ port, value, get_channel_no(ramdisk, channel));
switch (port) {
// b4: DRV
// b3..0 HD3..HD0
- // 1x1xxxxx
+ // 1x1xxxxx
+
+ PrintDebug("\tDrive Select value=%x\n", value);
+
if ((value & 0xa0) != 0xa0) {
- Ramdisk_Print("\t\tIO write 0x%x (%02x): not 1x1xxxxxb\n", address, (unsigned) value);
+ PrintDebug("\t\tIO write 0x%x (%02x): not 1x1xxxxxb\n", port, (unsigned) value);
}
write_head_no(channel, value & 0xf);
- if (controller->lba_mode == 0 && ((value >> 6) & 1) == 1){
+ if ((controller->lba_mode == 0) && (((value >> 6) & 1) == 1)) {
PrintDebug("\t\tenabling LBA mode\n");
}
- write_lba_mode(channel,(value >> 6) & 1);
+ write_lba_mode(channel, (value >> 6) & 1);
drive->cdrom.cd->lba = (value >> 6) & 1;
+ channel->drive_select = (value >> 4) & 0x01;
+ drive = get_selected_drive(channel);
+
if (drive->device_type == IDE_NONE) {
- channel->drive_select = (value >> 4) & 0x01;
-#ifdef DEBUG_RAMDISK
PrintDebug("\t\tError: device set to %d which does not exist! channel = 0x%x\n",
- channel->drive_select, channel);
-#endif
+ channel->drive_select, get_channel_no(ramdisk, channel));
+
controller->error_register = 0x04; // aborted
controller->status.err = 1;
}
break;
}
default:
- PrintError("\t\thard drive: io write to address %x (value = %c)\n", port, value);
+ PrintError("\t\thard drive: io write to unhandled port 0x%x (value = %c)\n", port, value);
return -1;
}
struct drive_t * drive = get_selected_drive(channel);
struct controller_t * controller = &(drive->controller);
- Ramdisk_Print("[raise_interrupt] disable_irq = %02x\n", controller->control.disable_irq);
+ PrintDebug("[raise_interrupt] disable_irq = %02x\n", controller->control.disable_irq);
if (!(controller->control.disable_irq)) {
irq = channel->irq;
- Ramdisk_Print("\t\tRaising interrupt %d {%s}\n\n", irq, SELECTED_TYPE_STRING(channel));
+ PrintDebug("\t\tRaising interrupt %d {%s}\n\n", irq, device_type_to_str(drive->device_type));
dev->vm->vm_ops.raise_irq(dev->vm, irq);
} else {
- Ramdisk_Print("\t\tirq is disabled\n");
+ PrintDebug("\t\tirq is disabled\n");
}
return;
static void rd_lower_irq(struct vm_device *dev, Bit32u irq) // __attribute__(regparm(1))
{
- Ramdisk_Print("[lower_irq] irq = %d\n", irq);
+ PrintDebug("[lower_irq] irq = %d\n", irq);
dev->vm->vm_ops.lower_irq(dev->vm, irq);
}
-
-
-
-
-
int handle_atapi_packet_command(struct vm_device * dev, struct channel_t * channel, ushort_t value) {
//struct ramdisk_t * ramdisk = (struct ramdisk_t *)(dev->private_data);
struct drive_t * drive = get_selected_drive(channel);
struct controller_t * controller = &(drive->controller);
if (controller->buffer_index >= PACKET_SIZE) {
- PrintError("ATAPI packet exceeded maximum length: buffer_index >= PACKET_SIZE\n");
+ PrintError("ATAPI packet exceeded maximum length: buffer_index (%d) >= PACKET_SIZE\n",
+ controller->buffer_index);
return -1;
}
case 0x03: // request sense
{
int alloc_length = controller->buffer[4];
- rd_init_send_atapi_command(dev, channel, atapi_command, 18, alloc_length, false);
+
+ if (rd_init_send_atapi_command(dev, channel, atapi_command, 18, alloc_length, false) == -1) {
+ return -1;
+ }
// sense data
controller->buffer[0] = 0x70 | (1 << 7);
uint16_t alloc_length = rd_read_16bit(controller->buffer + 8);
if (alloc_length == 0) {
- RD_PANIC("Zero allocation length to MECHANISM STATUS not impl.\n");
+ PrintError("Zero allocation length to MECHANISM STATUS not impl.\n");
+ return -1;
}
- rd_init_send_atapi_command(dev, channel, atapi_command, 8, alloc_length, false);
+ if (rd_init_send_atapi_command(dev, channel, atapi_command, 8, alloc_length, false) == -1) {
+ return -1;
+ }
controller->buffer[0] = 0; // reserved for non changers
controller->buffer[1] = 0; // reserved for non changers
switch (PageCode) {
case 0x01: // error recovery
{
- rd_init_send_atapi_command(dev, channel, atapi_command, sizeof(struct error_recovery_t) + 8, alloc_length, false);
+
+ if (rd_init_send_atapi_command(dev, channel, atapi_command, sizeof(struct error_recovery_t) + 8, alloc_length, false) == -1) {
+ return -1;
+ }
rd_init_mode_sense_single(dev, channel, &(drive->cdrom.current.error_recovery),
sizeof(struct error_recovery_t));
}
case 0x2a: // CD-ROM capabilities & mech. status
{
- rd_init_send_atapi_command(dev, channel, atapi_command, 28, alloc_length, false);
+
+ if (rd_init_send_atapi_command(dev, channel, atapi_command, 28, alloc_length, false) == -1) {
+ return -1;
+ }
+
rd_init_mode_sense_single(dev, channel, &(controller->buffer[8]), 28);
controller->buffer[8] = 0x2a;
case 0x0e: // CD-ROM audio control
case 0x3f: // all
{
- RD_ERROR("cdrom: MODE SENSE (curr), code=%x not implemented yet\n",
+ PrintError("Ramdisk: cdrom: MODE SENSE (curr), code=%x not implemented yet\n",
PageCode);
rd_atapi_cmd_error(dev, channel, SENSE_ILLEGAL_REQUEST,
ASC_INV_FIELD_IN_CMD_PACKET);
default:
{
// not implemeted by this device
- Ramdisk_Print("\t\tcdrom: MODE SENSE PC=%x, PageCode=%x, not implemented by device\n",
+ PrintDebug("\t\tcdrom: MODE SENSE PC=%x, PageCode=%x, not implemented by device\n",
PC, PageCode);
rd_atapi_cmd_error(dev, channel, SENSE_ILLEGAL_REQUEST,
ASC_INV_FIELD_IN_CMD_PACKET);
}
default:
{
- RD_PANIC("Should not get here!\n");
+ PrintError("Should not get here!\n");
+ return -1;
break;
}
}
{
uint8_t alloc_length = controller->buffer[4];
- rd_init_send_atapi_command(dev, channel, atapi_command, 36, alloc_length, false);
+ if (rd_init_send_atapi_command(dev, channel, atapi_command, 36, alloc_length, false) == -1) {
+ return -1;
+ }
controller->buffer[0] = 0x05; // CD-ROM
controller->buffer[1] = 0x80; // Removable
case 0x25: // read cd-rom capacity
{
// no allocation length???
- rd_init_send_atapi_command(dev, channel, atapi_command, 8, 8, false);
+ if (rd_init_send_atapi_command(dev, channel, atapi_command, 8, 8, false) == -1) {
+ return -1;
+ }
if (drive->cdrom.ready) {
uint32_t capacity = drive->cdrom.capacity;
ASC_INV_FIELD_IN_CMD_PACKET);
rd_raise_interrupt(dev, channel);
} else {
- rd_init_send_atapi_command(dev, channel, atapi_command, toc_length, alloc_length, false);
+ if (rd_init_send_atapi_command(dev, channel, atapi_command, toc_length, alloc_length, false) == -1) {
+ return -1;
+ }
rd_ready_to_send_atapi(dev, channel);
}
break;
case 1:
// multi session stuff. we ignore this and emulate a single session only
- rd_init_send_atapi_command(dev, channel, atapi_command, 12, alloc_length, false);
+ if (rd_init_send_atapi_command(dev, channel, atapi_command, 12, alloc_length, false) == -1) {
+ return -1;
+ }
controller->buffer[0] = 0;
controller->buffer[1] = 0x0a;
if (transfer_length == 0) {
rd_atapi_cmd_nop(dev, channel);
rd_raise_interrupt(dev, channel);
- Ramdisk_Print("\t\tREAD(%d) with transfer length 0, ok\n", atapi_command==0x28?10:12);
+ PrintDebug("\t\tREAD(%d) with transfer length 0, ok\n", (atapi_command == 0x28) ? 10 : 12);
break;
}
break;
}
- Ramdisk_Print("\t\tcdrom: READ (%d) LBA=%d LEN=%d\n", atapi_command==0x28?10:12, lba, transfer_length);
+ PrintDebug("\t\tcdrom: READ (%d) LBA=%d LEN=%d\n",
+ (atapi_command == 0x28) ? 10 : 12,
+ lba, transfer_length);
// handle command
- rd_init_send_atapi_command(dev, channel, atapi_command, transfer_length * 2048,
- transfer_length * 2048, true);
+ if (rd_init_send_atapi_command(dev, channel, atapi_command, transfer_length * 2048,
+ transfer_length * 2048, true) == -1) {
+ return -1;
+ }
drive->cdrom.remaining_blocks = transfer_length;
drive->cdrom.next_lba = lba;
rd_ready_to_send_atapi(dev, channel);
rd_raise_interrupt(dev, channel);
}
- rd_init_send_atapi_command(dev, channel, atapi_command, ret_len, alloc_length, false);
+ if (rd_init_send_atapi_command(dev, channel, atapi_command, ret_len, alloc_length, false) == -1) {
+ return -1;
+ }
rd_ready_to_send_atapi(dev, channel);
}
break;
-void rd_init_send_atapi_command(struct vm_device * dev, struct channel_t * channel, Bit8u command, int req_length, int alloc_length, bool lazy)
+int rd_init_send_atapi_command(struct vm_device * dev, struct channel_t * channel, Bit8u command, int req_length, int alloc_length, bool lazy)
{
struct drive_t * drive = &(channel->drives[channel->drive_select]);
struct controller_t * controller = &(drive->controller);
// controller->byte_count is a union of controller->cylinder_no;
// lazy is used to force a data read in the buffer at the next read.
- Ramdisk_Print("[rd_init_send_atapi_cmd]\n");
+ PrintDebug("[rd_init_send_atapi_cmd]\n");
if (controller->byte_count == 0xffff) {
controller->byte_count = 0xfffe;
if ((controller->byte_count & 1) &&
!(alloc_length <= controller->byte_count)) {
- Ramdisk_Print("\t\tOdd byte count (0x%04x) to ATAPI command 0x%02x, using 0x%x\n",
+ PrintDebug("\t\tOdd byte count (0x%04x) to ATAPI command 0x%02x, using 0x%x\n",
controller->byte_count,
command,
controller->byte_count - 1);
}
if (controller->byte_count == 0) {
- RD_PANIC("\t\tATAPI command with zero byte count\n");
+ PrintError("\t\tATAPI command with zero byte count\n");
+ return -1;
}
if (alloc_length < 0) {
- RD_PANIC("\t\tAllocation length < 0\n");
+ PrintError("\t\tAllocation length < 0\n");
+ return -1;
}
if (alloc_length == 0) {
// SELECTED_DRIVE(channel).atapi.drq_bytes += 2048;
// SELECTED_DRIVE(channel).atapi.total_bytes_remaining += 2048;
// }
+
+ return 0;
}
void rd_ready_to_send_atapi(struct vm_device * dev, struct channel_t * channel) {
- Ramdisk_Print("[rd_ready_to_send_atapi]\n");
+ PrintDebug("[rd_ready_to_send_atapi]\n");
rd_raise_interrupt(dev, channel);
}
void rd_atapi_cmd_error(struct vm_device * dev, struct channel_t * channel, sense_t sense_key, asc_t asc)
{
+ struct ramdisk_t *ramdisk = (struct ramdisk_t *)(dev->private_data);
struct drive_t * drive = &(channel->drives[channel->drive_select]);
struct controller_t * controller = &(drive->controller);
- Ramdisk_Print("[rd_atapi_cmd_error]\n");
- Ramdisk_Print("Error: atapi_cmd_error channel=%02x key=%02x asc=%02x\n", channel, sense_key, asc);
+ PrintDebug("[rd_atapi_cmd_error]\n");
+ PrintDebug("Error: atapi_cmd_error channel=%02x key=%02x asc=%02x\n",
+ get_channel_no(ramdisk, channel), sense_key, asc);
controller->error_register = sense_key << 4;
controller->interrupt_reason.i_o = 1;
struct drive_t * drive = &(channel->drives[channel->drive_select]);
struct controller_t * controller = &(drive->controller);
- Ramdisk_Print("[rd_atapi_cmd_nop]\n");
+ PrintDebug("[rd_atapi_cmd_nop]\n");
controller->interrupt_reason.i_o = 1;
controller->interrupt_reason.c_d = 1;
controller->interrupt_reason.rel = 0;
struct drive_t * drive = &(channel->drives[channel->drive_select]);
struct controller_t * controller = &(drive->controller);
- Ramdisk_Print("[rd_init_mode_sense_single]\n");
+ PrintDebug("[rd_init_mode_sense_single]\n");
// Header
controller->buffer[0] = (size + 6) >> 8;
struct drive_t * drive = &(channel->drives[channel->drive_select]);
struct controller_t * controller = &(drive->controller);
- Ramdisk_Print("[rd_command_aborted]\n");
- Ramdisk_Print("\t\taborting on command 0x%02x {%s}\n", value, SELECTED_TYPE_STRING(channel));
+ PrintDebug("[rd_command_aborted]\n");
+ PrintDebug("\t\taborting on command 0x%02x {%s}\n", value, device_type_to_str(drive->device_type));
controller->current_command = 0;
controller->status.busy = 0;
static int ramdisk_init_device(struct vm_device *dev) {
- struct ramdisk_t *ramdisk_state = (struct ramdisk_t *)dev->private_data;
+ struct ramdisk_t *ramdisk= (struct ramdisk_t *)dev->private_data;
- rd_init_hardware(ramdisk_state);
+ PrintDebug("Initializing Ramdisk\n");
+
+
+ rd_init_hardware(ramdisk);
dev_hook_io(dev, PRI_CTRL_PORT,
static int ramdisk_deinit_device(struct vm_device *dev) {
- struct ramdisk_t *ramdisk_state = (struct ramdisk_t *)(dev->private_data);
- rd_close_harddrive(ramdisk_state);
+ struct ramdisk_t *ramdisk = (struct ramdisk_t *)(dev->private_data);
+ rd_close_harddrive(ramdisk);
return 0;
}
ramdisk = (struct ramdisk_t *)V3_Malloc(sizeof(struct ramdisk_t));
V3_ASSERT(ramdisk != NULL);
- Ramdisk_Print("[create_ramdisk]\n");
+ PrintDebug("[create_ramdisk]\n");
struct vm_device *device = create_device("RAMDISK", &dev_ops, ramdisk);
-#ifdef RAMDISK_DEBUG
-static void rd_print_state(struct ramdisk_t * ramdisk, struct vm_device *dev) {
+#ifdef DEBUG_RAMDISK
+
+static void rd_print_state(struct ramdisk_t * ramdisk) {
uchar_t channel;
uchar_t device;
struct channel_t * channels = (struct channel_t *)(&(ramdisk->channels));
+ /*
for (channel = 0; channel < MAX_ATA_CHANNEL; channel++) {
memset((char *)(channels + channel), 0, sizeof(struct channel_t));
}
-
- Ramdisk_Print("sizeof(*channels) = %d\n", sizeof(*channels));
- Ramdisk_Print("sizeof(channles->drives[0].controller) = %d\n", sizeof((channels->drives[0].controller)));
- Ramdisk_Print("sizeof(channles->drives[0].cdrom) = %d\n", sizeof((channels->drives[0].cdrom)));
- Ramdisk_Print("sizeof(channles->drives[0].sense) = %d\n", sizeof((channels->drives[0].sense)));
- Ramdisk_Print("sizeof(channles->drives[0].atapi) = %d\n", sizeof((channels->drives[0].atapi)));
+ */
+ PrintDebug("sizeof(*channels) = %d\n", sizeof(*channels));
+ PrintDebug("sizeof(channles->drives[0].controller) = %d\n", sizeof((channels->drives[0].controller)));
+ PrintDebug("sizeof(channles->drives[0].cdrom) = %d\n", sizeof((channels->drives[0].cdrom)));
+ PrintDebug("sizeof(channles->drives[0].sense) = %d\n", sizeof((channels->drives[0].sense)));
+ PrintDebug("sizeof(channles->drives[0].atapi) = %d\n", sizeof((channels->drives[0].atapi)));
- Ramdisk_Print("sizeof(channles->drives[0].controller.status) = %d\n",
+ PrintDebug("sizeof(channles->drives[0].controller.status) = %d\n",
sizeof((channels->drives[0].controller.status)));
- Ramdisk_Print("sizeof(channles->drives[0].controller.sector_count) = %d\n",
+ PrintDebug("sizeof(channles->drives[0].controller.sector_count) = %d\n",
sizeof((channels->drives[0].controller.sector_count)));
- Ramdisk_Print("sizeof(channles->drives[0].controller.interrupt_reason) = %d\n",
+ PrintDebug("sizeof(channles->drives[0].controller.interrupt_reason) = %d\n",
sizeof((channels->drives[0].controller.interrupt_reason)));
- Ramdisk_Print("sizeof(channles->drives[0].controller.cylinder_no) = %d\n",
+ PrintDebug("sizeof(channles->drives[0].controller.cylinder_no) = %d\n",
sizeof((channels->drives[0].controller.cylinder_no)));
- Ramdisk_Print("sizeof(channles->drives[0].controller.byte_count) = %d\n",
+ PrintDebug("sizeof(channles->drives[0].controller.byte_count) = %d\n",
sizeof((channels->drives[0].controller.byte_count)));
- Ramdisk_Print("sizeof(channles->drives[0].controller.control) = %d\n",
+ PrintDebug("sizeof(channles->drives[0].controller.control) = %d\n",
sizeof((channels->drives[0].controller.control)));
for (device = 0; device < 2; device++){
// Initialize controller state, even if device is not present
- Ramdisk_Print("channels[%d].drives[%d].controller.status.busy = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.status.busy = %d\n",
channel, device,
channels[channel].drives[device].controller.status.busy);
- Ramdisk_Print("channels[%d].drives[%d].controller.status.drive_ready = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.status.drive_ready = %d\n",
channel, device,
channels[channel].drives[device].controller.status.drive_ready);
- Ramdisk_Print("channels[%d].drives[%d].controller.status.write_fault = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.status.write_fault = %d\n",
channel, device,
channels[channel].drives[device].controller.status.write_fault);
- Ramdisk_Print("channels[%d].drives[%d].controller.status.seek_complete = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.status.seek_complete = %d\n",
channel, device,
channels[channel].drives[device].controller.status.seek_complete);
- Ramdisk_Print("channels[%d].drives[%d].controller.status.drq = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.status.drq = %d\n",
channel, device,
channels[channel].drives[device].controller.status.drq);
- Ramdisk_Print("channels[%d].drives[%d].controller.status.corrected_data = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.status.corrected_data = %d\n",
channel, device,
channels[channel].drives[device].controller.status.corrected_data);
- Ramdisk_Print("channels[%d].drives[%d].controller.status.index_pulse = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.status.index_pulse = %d\n",
channel, device,
channels[channel].drives[device].controller.status.index_pulse);
- Ramdisk_Print("channels[%d].drives[%d].controller.status.index_pulse_count = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.status.index_pulse_count = %d\n",
channel, device,
channels[channel].drives[device].controller.status.index_pulse_count);
- Ramdisk_Print("channels[%d].drives[%d].controller.status.err = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.status.err = %d\n",
channel, device,
channels[channel].drives[device].controller.status.err);
- Ramdisk_Print("channels[%d].drives[%d].controller.error_register = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.error_register = %d\n",
channel, device,
channels[channel].drives[device].controller.error_register);
- Ramdisk_Print("channels[%d].drives[%d].controller.head_no = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.head_no = %d\n",
channel, device,
channels[channel].drives[device].controller.head_no);
- Ramdisk_Print("channels[%d].drives[%d].controller.sector_count = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.sector_count = %d\n",
channel, device,
channels[channel].drives[device].controller.sector_count);
- Ramdisk_Print("channels[%d].drives[%d].controller.sector_no = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.sector_no = %d\n",
channel, device,
channels[channel].drives[device].controller.sector_no);
- Ramdisk_Print("channels[%d].drives[%d].controller.cylinder_no = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.cylinder_no = %d\n",
channel, device,
channels[channel].drives[device].controller.cylinder_no);
- Ramdisk_Print("channels[%d].drives[%d].controller.current_command = %02x\n",
+ PrintDebug("channels[%d].drives[%d].controller.current_command = %02x\n",
channel, device,
channels[channel].drives[device].controller.current_command);
- Ramdisk_Print("channels[%d].drives[%d].controller.buffer_index = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.buffer_index = %d\n",
channel, device,
channels[channel].drives[device].controller.buffer_index);
- Ramdisk_Print("channels[%d].drives[%d].controller.control.reset = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.control.reset = %d\n",
channel, device,
channels[channel].drives[device].controller.control.reset);
- Ramdisk_Print("channels[%d].drives[%d].controller.control.disable_irq = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.control.disable_irq = %d\n",
channel, device,
channels[channel].drives[device].controller.control.disable_irq);
- Ramdisk_Print("channels[%d].drives[%d].controller.reset_in_progress = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.reset_in_progress = %d\n",
channel, device,
channels[channel].drives[device].controller.reset_in_progress);
- Ramdisk_Print("channels[%d].drives[%d].controller.sectors_per_block = %02x\n",
+ PrintDebug("channels[%d].drives[%d].controller.sectors_per_block = %02x\n",
channel, device,
channels[channel].drives[device].controller.sectors_per_block);
- Ramdisk_Print("channels[%d].drives[%d].controller.lba_mode = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.lba_mode = %d\n",
channel, device,
channels[channel].drives[device].controller.lba_mode);
- Ramdisk_Print("channels[%d].drives[%d].controller.features = %d\n",
+ PrintDebug("channels[%d].drives[%d].controller.features = %d\n",
channel, device,
channels[channel].drives[device].controller.features);
- Ramdisk_Print("channels[%d].drives[%d].model_no = %s\n",
+ PrintDebug("channels[%d].drives[%d].model_no = %s\n",
channel, device,
channels[channel].drives[device].model_no);
- Ramdisk_Print("channels[%d].drives[%d].device_type = %d\n",
+ PrintDebug("channels[%d].drives[%d].device_type = %d\n",
channel, device,
channels[channel].drives[device].device_type);
- Ramdisk_Print("channels[%d].drives[%d].cdrom.locked = %d\n",
+ PrintDebug("channels[%d].drives[%d].cdrom.locked = %d\n",
channel, device,
channels[channel].drives[device].cdrom.locked);
- Ramdisk_Print("channels[%d].drives[%d].sense.sense_key = %d\n",
+ PrintDebug("channels[%d].drives[%d].sense.sense_key = %d\n",
channel, device,
channels[channel].drives[device].sense.sense_key);
- Ramdisk_Print("channels[%d].drives[%d].sense.asc = %d\n",
+ PrintDebug("channels[%d].drives[%d].sense.asc = %d\n",
channel, device,
channels[channel].drives[device].sense.asc);
- Ramdisk_Print("channels[%d].drives[%d].sense.ascq = %d\n",
+ PrintDebug("channels[%d].drives[%d].sense.ascq = %d\n",
channel, device,
channels[channel].drives[device].sense.ascq);
- Ramdisk_Print("channels[%d].drives[%d].controller.interrupt_reason.c_d = %02x\n",
+ PrintDebug("channels[%d].drives[%d].controller.interrupt_reason.c_d = %02x\n",
channel, device,
channels[channel].drives[device].controller.interrupt_reason.c_d);
- Ramdisk_Print("channels[%d].drives[%d].controller.interrupt_reason.i_o = %02x\n",
+ PrintDebug("channels[%d].drives[%d].controller.interrupt_reason.i_o = %02x\n",
channel, device,
channels[channel].drives[device].controller.interrupt_reason.i_o);
- Ramdisk_Print("channels[%d].drives[%d].controller.interrupt_reason.rel = %02x\n",
+ PrintDebug("channels[%d].drives[%d].controller.interrupt_reason.rel = %02x\n",
channel, device,
channels[channel].drives[device].controller.interrupt_reason.rel);
- Ramdisk_Print("channels[%d].drives[%d].controller.interrupt_reason.tag = %02x\n",
+ PrintDebug("channels[%d].drives[%d].controller.interrupt_reason.tag = %02x\n",
channel, device,
channels[channel].drives[device].controller.interrupt_reason.tag);
- Ramdisk_Print("channels[%d].drives[%d].cdrom.ready = %d\n",
+ PrintDebug("channels[%d].drives[%d].cdrom.ready = %d\n",
channel, device,
channels[channel].drives[device].cdrom.ready);
return;
}
-
-
+#if 0
static void trace_info(ushort_t port, void *src, uint_t length) {
switch(port){
case 0x3e8:
if (length == 1 && *((uchar_t*) src) == ATA_DETECT)
- Ramdisk_Print("ata_detect()\n");
+ PrintDebug("ata_detect()\n");
break;
case 0x3e9:
if (length == 1 && *((uchar_t*) src) == ATA_RESET)
- Ramdisk_Print("ata_reset()\n");
+ PrintDebug("ata_reset()\n");
break;
case 0x3ea:
if (length == 1 && *((uchar_t*) src) == ATA_CMD_DATA_IN)
- Ramdisk_Print("ata_cmd_data_in()\n");
+ PrintDebug("ata_cmd_data_in()\n");
break;
case 0x3eb:
if (length == 1 && *((uchar_t*) src) == ATA_CMD_DATA_OUT)
- Ramdisk_Print("ata_cmd_data_out()\n");
+ PrintDebug("ata_cmd_data_out()\n");
break;
case 0x3ec:
if (length == 1 && *((uchar_t*) src) == ATA_CMD_PACKET)
- Ramdisk_Print("ata_cmd_packet()\n");
+ PrintDebug("ata_cmd_packet()\n");
break;
case 0x3ed:
if (length == 1 && *((uchar_t*) src) == ATAPI_GET_SENSE)
- Ramdisk_Print("atapi_get_sense()\n");
+ PrintDebug("atapi_get_sense()\n");
break;
case 0x3ee:
if (length == 1 && *((uchar_t*) src) == ATAPI_IS_READY)
- Ramdisk_Print("atapi_is_ready()\n");
+ PrintDebug("atapi_is_ready()\n");
break;
case 0x3ef:
if (length == 1 && *((uchar_t*) src) == ATAPI_IS_CDROM)
- Ramdisk_Print("atapi_is_cdrom()\n");
+ PrintDebug("atapi_is_cdrom()\n");
break;
case 0x2e8:
if (length == 1 && *((uchar_t*) src) == CDEMU_INIT)
- Ramdisk_Print("cdemu_init()\n");
+ PrintDebug("cdemu_init()\n");
break;
case 0x2e9:
if (length == 1 && *((uchar_t*) src) == CDEMU_ISACTIVE)
- Ramdisk_Print("cdemu_isactive()\n");
+ PrintDebug("cdemu_isactive()\n");
break;
case 0x2ea:
if (length == 1 && *((uchar_t*) src) == CDEMU_EMULATED_DRIVE)
- Ramdisk_Print("cdemu_emulated_drive()\n");
+ PrintDebug("cdemu_emulated_drive()\n");
break;
case 0x2eb:
if (length == 1 && *((uchar_t*) src) == CDROM_BOOT)
- Ramdisk_Print("cdrom_boot()\n");
+ PrintDebug("cdrom_boot()\n");
break;
case 0x2ec:
if (length == 1 && *((uchar_t*) src) == HARD_DRIVE_POST)
- Ramdisk_Print("ata_hard_drive_post()\n");
+ PrintDebug("ata_hard_drive_post()\n");
break;
case 0x2ed:
if (length == 1)
- Ramdisk_Print("ata_device_no(%d)\n", *((uchar_t*) src));
+ PrintDebug("ata_device_no(%d)\n", *((uchar_t*) src));
break;
case 0x2ee:
if (length == 1)
- Ramdisk_Print("ata_device_type(%d)\n", *((uchar_t*) src));
+ PrintDebug("ata_device_type(%d)\n", *((uchar_t*) src));
break;
case 0x2ef:
if (length == 1 && *((uchar_t*) src) == INT13_HARDDISK)
- Ramdisk_Print("int13_harddrive()\n");
+ PrintDebug("int13_harddrive()\n");
break;
case 0x2f8:
if (length == 1 && *((uchar_t*) src) == INT13_CDROM)
- Ramdisk_Print("int13_cdrom()\n");
+ PrintDebug("int13_cdrom()\n");
break;
case 0x2f9:
if (length == 1 && *((uchar_t*) src) == INT13_CDEMU)
- Ramdisk_Print("int13_cdemu()\n");
+ PrintDebug("int13_cdemu()\n");
break;
case 0x2fa:
if (length == 1 && *((uchar_t*) src) == INT13_ELTORITO)
- Ramdisk_Print("int13_eltorito()\n");
+ PrintDebug("int13_eltorito()\n");
break;
case 0x2fb:
if (length == 1 && *((uchar_t*) src) == INT13_DISKETTE_FUNCTION)
- Ramdisk_Print("int13_diskette_function()\n");
+ PrintDebug("int13_diskette_function()\n");
break;
}
}
+#endif
-
-static int check_bit_fields(struct controller_t * controller) {
+static int check_bit_fields(struct controller_t * controller) {
//Check bit fields
controller->sector_count = 0;
controller->interrupt_reason.c_d = 1;
