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-rw-r--r--qemu/hw/misc/macio/cuda.c480
1 files changed, 344 insertions, 136 deletions
diff --git a/qemu/hw/misc/macio/cuda.c b/qemu/hw/misc/macio/cuda.c
index f3984e3a2..f15f30110 100644
--- a/qemu/hw/misc/macio/cuda.c
+++ b/qemu/hw/misc/macio/cuda.c
@@ -22,11 +22,13 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
+#include "qemu/osdep.h"
#include "hw/hw.h"
#include "hw/ppc/mac.h"
#include "hw/input/adb.h"
#include "qemu/timer.h"
#include "sysemu/sysemu.h"
+#include "qemu/cutils.h"
/* XXX: implement all timer modes */
@@ -57,6 +59,8 @@
#define IER_SET 0x80 /* set bits in IER */
#define IER_CLR 0 /* clear bits in IER */
#define SR_INT 0x04 /* Shift register full/empty */
+#define SR_DATA_INT 0x08
+#define SR_CLOCK_INT 0x10
#define T1_INT 0x40 /* Timer 1 interrupt */
#define T2_INT 0x20 /* Timer 2 interrupt */
@@ -103,11 +107,28 @@
#define CUDA_COMBINED_FORMAT_IIC 0x25
#define CUDA_TIMER_FREQ (4700000 / 6)
-#define CUDA_ADB_POLL_FREQ 50
/* CUDA returns time_t's offset from Jan 1, 1904, not 1970 */
#define RTC_OFFSET 2082844800
+/* CUDA registers */
+#define CUDA_REG_B 0x00
+#define CUDA_REG_A 0x01
+#define CUDA_REG_DIRB 0x02
+#define CUDA_REG_DIRA 0x03
+#define CUDA_REG_T1CL 0x04
+#define CUDA_REG_T1CH 0x05
+#define CUDA_REG_T1LL 0x06
+#define CUDA_REG_T1LH 0x07
+#define CUDA_REG_T2CL 0x08
+#define CUDA_REG_T2CH 0x09
+#define CUDA_REG_SR 0x0a
+#define CUDA_REG_ACR 0x0b
+#define CUDA_REG_PCR 0x0c
+#define CUDA_REG_IFR 0x0d
+#define CUDA_REG_IER 0x0e
+#define CUDA_REG_ANH 0x0f
+
static void cuda_update(CUDAState *s);
static void cuda_receive_packet_from_host(CUDAState *s,
const uint8_t *data, int len);
@@ -116,47 +137,48 @@ static void cuda_timer_update(CUDAState *s, CUDATimer *ti,
static void cuda_update_irq(CUDAState *s)
{
- if (s->ifr & s->ier & (SR_INT | T1_INT)) {
+ if (s->ifr & s->ier & (SR_INT | T1_INT | T2_INT)) {
qemu_irq_raise(s->irq);
} else {
qemu_irq_lower(s->irq);
}
}
-static uint64_t get_tb(uint64_t freq)
+static uint64_t get_tb(uint64_t time, uint64_t freq)
{
- return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL),
- freq, get_ticks_per_sec());
+ return muldiv64(time, freq, NANOSECONDS_PER_SECOND);
}
-static unsigned int get_counter(CUDATimer *s)
+static unsigned int get_counter(CUDATimer *ti)
{
int64_t d;
unsigned int counter;
uint64_t tb_diff;
+ uint64_t current_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
/* Reverse of the tb calculation algorithm that Mac OS X uses on bootup. */
- tb_diff = get_tb(s->frequency) - s->load_time;
- d = (tb_diff * 0xBF401675E5DULL) / (s->frequency << 24);
+ tb_diff = get_tb(current_time, ti->frequency) - ti->load_time;
+ d = (tb_diff * 0xBF401675E5DULL) / (ti->frequency << 24);
- if (s->index == 0) {
+ if (ti->index == 0) {
/* the timer goes down from latch to -1 (period of latch + 2) */
- if (d <= (s->counter_value + 1)) {
- counter = (s->counter_value - d) & 0xffff;
+ if (d <= (ti->counter_value + 1)) {
+ counter = (ti->counter_value - d) & 0xffff;
} else {
- counter = (d - (s->counter_value + 1)) % (s->latch + 2);
- counter = (s->latch - counter) & 0xffff;
+ counter = (d - (ti->counter_value + 1)) % (ti->latch + 2);
+ counter = (ti->latch - counter) & 0xffff;
}
} else {
- counter = (s->counter_value - d) & 0xffff;
+ counter = (ti->counter_value - d) & 0xffff;
}
return counter;
}
static void set_counter(CUDAState *s, CUDATimer *ti, unsigned int val)
{
- CUDA_DPRINTF("T%d.counter=%d\n", 1 + (ti->timer == NULL), val);
- ti->load_time = get_tb(s->frequency);
+ CUDA_DPRINTF("T%d.counter=%d\n", 1 + ti->index, val);
+ ti->load_time = get_tb(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL),
+ s->frequency);
ti->counter_value = val;
cuda_timer_update(s, ti, ti->load_time);
}
@@ -168,7 +190,7 @@ static int64_t get_next_irq_time(CUDATimer *s, int64_t current_time)
/* current counter value */
d = muldiv64(current_time - s->load_time,
- CUDA_TIMER_FREQ, get_ticks_per_sec());
+ CUDA_TIMER_FREQ, NANOSECONDS_PER_SECOND);
/* the timer goes down from latch to -1 (period of latch + 2) */
if (d <= (s->counter_value + 1)) {
counter = (s->counter_value - d) & 0xffff;
@@ -187,7 +209,7 @@ static int64_t get_next_irq_time(CUDATimer *s, int64_t current_time)
}
CUDA_DPRINTF("latch=%d counter=%" PRId64 " delta_next=%" PRId64 "\n",
s->latch, d, next_time - d);
- next_time = muldiv64(next_time, get_ticks_per_sec(), CUDA_TIMER_FREQ) +
+ next_time = muldiv64(next_time, NANOSECONDS_PER_SECOND, CUDA_TIMER_FREQ) +
s->load_time;
if (next_time <= current_time)
next_time = current_time + 1;
@@ -199,7 +221,7 @@ static void cuda_timer_update(CUDAState *s, CUDATimer *ti,
{
if (!ti->timer)
return;
- if ((s->acr & T1MODE) != T1MODE_CONT) {
+ if (ti->index == 0 && (s->acr & T1MODE) != T1MODE_CONT) {
timer_del(ti->timer);
} else {
ti->next_irq_time = get_next_irq_time(ti, current_time);
@@ -217,6 +239,41 @@ static void cuda_timer1(void *opaque)
cuda_update_irq(s);
}
+static void cuda_timer2(void *opaque)
+{
+ CUDAState *s = opaque;
+ CUDATimer *ti = &s->timers[1];
+
+ cuda_timer_update(s, ti, ti->next_irq_time);
+ s->ifr |= T2_INT;
+ cuda_update_irq(s);
+}
+
+static void cuda_set_sr_int(void *opaque)
+{
+ CUDAState *s = opaque;
+
+ CUDA_DPRINTF("CUDA: %s:%d\n", __func__, __LINE__);
+ s->ifr |= SR_INT;
+ cuda_update_irq(s);
+}
+
+static void cuda_delay_set_sr_int(CUDAState *s)
+{
+ int64_t expire;
+
+ if (s->dirb == 0xff) {
+ /* Not in Mac OS, fire the IRQ directly */
+ cuda_set_sr_int(s);
+ return;
+ }
+
+ CUDA_DPRINTF("CUDA: %s:%d\n", __func__, __LINE__);
+
+ expire = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 300 * SCALE_US;
+ timer_mod(s->sr_delay_timer, expire);
+}
+
static uint32_t cuda_readb(void *opaque, hwaddr addr)
{
CUDAState *s = opaque;
@@ -224,66 +281,68 @@ static uint32_t cuda_readb(void *opaque, hwaddr addr)
addr = (addr >> 9) & 0xf;
switch(addr) {
- case 0:
+ case CUDA_REG_B:
val = s->b;
break;
- case 1:
+ case CUDA_REG_A:
val = s->a;
break;
- case 2:
+ case CUDA_REG_DIRB:
val = s->dirb;
break;
- case 3:
+ case CUDA_REG_DIRA:
val = s->dira;
break;
- case 4:
+ case CUDA_REG_T1CL:
val = get_counter(&s->timers[0]) & 0xff;
s->ifr &= ~T1_INT;
cuda_update_irq(s);
break;
- case 5:
+ case CUDA_REG_T1CH:
val = get_counter(&s->timers[0]) >> 8;
cuda_update_irq(s);
break;
- case 6:
+ case CUDA_REG_T1LL:
val = s->timers[0].latch & 0xff;
break;
- case 7:
+ case CUDA_REG_T1LH:
/* XXX: check this */
val = (s->timers[0].latch >> 8) & 0xff;
break;
- case 8:
+ case CUDA_REG_T2CL:
val = get_counter(&s->timers[1]) & 0xff;
s->ifr &= ~T2_INT;
+ cuda_update_irq(s);
break;
- case 9:
+ case CUDA_REG_T2CH:
val = get_counter(&s->timers[1]) >> 8;
break;
- case 10:
+ case CUDA_REG_SR:
val = s->sr;
- s->ifr &= ~SR_INT;
+ s->ifr &= ~(SR_INT | SR_CLOCK_INT | SR_DATA_INT);
cuda_update_irq(s);
break;
- case 11:
+ case CUDA_REG_ACR:
val = s->acr;
break;
- case 12:
+ case CUDA_REG_PCR:
val = s->pcr;
break;
- case 13:
+ case CUDA_REG_IFR:
val = s->ifr;
- if (s->ifr & s->ier)
+ if (s->ifr & s->ier) {
val |= 0x80;
+ }
break;
- case 14:
+ case CUDA_REG_IER:
val = s->ier | 0x80;
break;
default:
- case 15:
+ case CUDA_REG_ANH:
val = s->anh;
break;
}
- if (addr != 13 || val != 0) {
+ if (addr != CUDA_REG_IFR || val != 0) {
CUDA_DPRINTF("read: reg=0x%x val=%02x\n", (int)addr, val);
}
@@ -298,61 +357,65 @@ static void cuda_writeb(void *opaque, hwaddr addr, uint32_t val)
CUDA_DPRINTF("write: reg=0x%x val=%02x\n", (int)addr, val);
switch(addr) {
- case 0:
+ case CUDA_REG_B:
s->b = val;
cuda_update(s);
break;
- case 1:
+ case CUDA_REG_A:
s->a = val;
break;
- case 2:
+ case CUDA_REG_DIRB:
s->dirb = val;
break;
- case 3:
+ case CUDA_REG_DIRA:
s->dira = val;
break;
- case 4:
+ case CUDA_REG_T1CL:
s->timers[0].latch = (s->timers[0].latch & 0xff00) | val;
cuda_timer_update(s, &s->timers[0], qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
break;
- case 5:
+ case CUDA_REG_T1CH:
s->timers[0].latch = (s->timers[0].latch & 0xff) | (val << 8);
s->ifr &= ~T1_INT;
set_counter(s, &s->timers[0], s->timers[0].latch);
break;
- case 6:
+ case CUDA_REG_T1LL:
s->timers[0].latch = (s->timers[0].latch & 0xff00) | val;
cuda_timer_update(s, &s->timers[0], qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
break;
- case 7:
+ case CUDA_REG_T1LH:
s->timers[0].latch = (s->timers[0].latch & 0xff) | (val << 8);
s->ifr &= ~T1_INT;
cuda_timer_update(s, &s->timers[0], qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
break;
- case 8:
- s->timers[1].latch = val;
- set_counter(s, &s->timers[1], val);
+ case CUDA_REG_T2CL:
+ s->timers[1].latch = (s->timers[1].latch & 0xff00) | val;
break;
- case 9:
- set_counter(s, &s->timers[1], (val << 8) | s->timers[1].latch);
+ case CUDA_REG_T2CH:
+ /* To ensure T2 generates an interrupt on zero crossing with the
+ common timer code, write the value directly from the latch to
+ the counter */
+ s->timers[1].latch = (s->timers[1].latch & 0xff) | (val << 8);
+ s->ifr &= ~T2_INT;
+ set_counter(s, &s->timers[1], s->timers[1].latch);
break;
- case 10:
+ case CUDA_REG_SR:
s->sr = val;
break;
- case 11:
+ case CUDA_REG_ACR:
s->acr = val;
cuda_timer_update(s, &s->timers[0], qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
cuda_update(s);
break;
- case 12:
+ case CUDA_REG_PCR:
s->pcr = val;
break;
- case 13:
+ case CUDA_REG_IFR:
/* reset bits */
s->ifr &= ~val;
cuda_update_irq(s);
break;
- case 14:
+ case CUDA_REG_IER:
if (val & IER_SET) {
/* set bits */
s->ier |= val & 0x7f;
@@ -363,7 +426,7 @@ static void cuda_writeb(void *opaque, hwaddr addr, uint32_t val)
cuda_update_irq(s);
break;
default:
- case 15:
+ case CUDA_REG_ANH:
s->anh = val;
break;
}
@@ -384,8 +447,7 @@ static void cuda_update(CUDAState *s)
if (s->data_out_index < sizeof(s->data_out)) {
CUDA_DPRINTF("send: %02x\n", s->sr);
s->data_out[s->data_out_index++] = s->sr;
- s->ifr |= SR_INT;
- cuda_update_irq(s);
+ cuda_delay_set_sr_int(s);
}
}
} else {
@@ -398,8 +460,7 @@ static void cuda_update(CUDAState *s)
if (s->data_in_index >= s->data_in_size) {
s->b = (s->b | TREQ);
}
- s->ifr |= SR_INT;
- cuda_update_irq(s);
+ cuda_delay_set_sr_int(s);
}
}
}
@@ -411,15 +472,13 @@ static void cuda_update(CUDAState *s)
s->b = (s->b | TREQ);
else
s->b = (s->b & ~TREQ);
- s->ifr |= SR_INT;
- cuda_update_irq(s);
+ cuda_delay_set_sr_int(s);
} else {
if (!(s->last_b & TIP)) {
/* handle end of host to cuda transfer */
packet_received = (s->data_out_index > 0);
/* always an IRQ at the end of transfer */
- s->ifr |= SR_INT;
- cuda_update_irq(s);
+ cuda_delay_set_sr_int(s);
}
/* signal if there is data to read */
if (s->data_in_index < s->data_in_size) {
@@ -456,8 +515,7 @@ static void cuda_send_packet_to_host(CUDAState *s,
s->data_in_size = len;
s->data_in_index = 0;
cuda_update(s);
- s->ifr |= SR_INT;
- cuda_update_irq(s);
+ cuda_delay_set_sr_int(s);
}
static void cuda_adb_poll(void *opaque)
@@ -466,7 +524,7 @@ static void cuda_adb_poll(void *opaque)
uint8_t obuf[ADB_MAX_OUT_LEN + 2];
int olen;
- olen = adb_poll(&s->adb_bus, obuf + 2);
+ olen = adb_poll(&s->adb_bus, obuf + 2, s->adb_poll_mask);
if (olen > 0) {
obuf[0] = ADB_PACKET;
obuf[1] = 0x40; /* polled data */
@@ -474,75 +532,213 @@ static void cuda_adb_poll(void *opaque)
}
timer_mod(s->adb_poll_timer,
qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
- (get_ticks_per_sec() / CUDA_ADB_POLL_FREQ));
+ (NANOSECONDS_PER_SECOND / (1000 / s->autopoll_rate_ms)));
}
-static void cuda_receive_packet(CUDAState *s,
- const uint8_t *data, int len)
+/* description of commands */
+typedef struct CudaCommand {
+ uint8_t command;
+ const char *name;
+ bool (*handler)(CUDAState *s,
+ const uint8_t *in_args, int in_len,
+ uint8_t *out_args, int *out_len);
+} CudaCommand;
+
+static bool cuda_cmd_autopoll(CUDAState *s,
+ const uint8_t *in_data, int in_len,
+ uint8_t *out_data, int *out_len)
{
- uint8_t obuf[16];
int autopoll;
+
+ if (in_len != 1) {
+ return false;
+ }
+
+ autopoll = (in_data[0] != 0);
+ if (autopoll != s->autopoll) {
+ s->autopoll = autopoll;
+ if (autopoll) {
+ timer_mod(s->adb_poll_timer,
+ qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
+ (NANOSECONDS_PER_SECOND / (1000 / s->autopoll_rate_ms)));
+ } else {
+ timer_del(s->adb_poll_timer);
+ }
+ }
+ return true;
+}
+
+static bool cuda_cmd_set_autorate(CUDAState *s,
+ const uint8_t *in_data, int in_len,
+ uint8_t *out_data, int *out_len)
+{
+ if (in_len != 1) {
+ return false;
+ }
+
+ /* we don't want a period of 0 ms */
+ /* FIXME: check what real hardware does */
+ if (in_data[0] == 0) {
+ return false;
+ }
+
+ s->autopoll_rate_ms = in_data[0];
+ if (s->autopoll) {
+ timer_mod(s->adb_poll_timer,
+ qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
+ (NANOSECONDS_PER_SECOND / (1000 / s->autopoll_rate_ms)));
+ }
+ return true;
+}
+
+static bool cuda_cmd_set_device_list(CUDAState *s,
+ const uint8_t *in_data, int in_len,
+ uint8_t *out_data, int *out_len)
+{
+ if (in_len != 2) {
+ return false;
+ }
+
+ s->adb_poll_mask = (((uint16_t)in_data[0]) << 8) | in_data[1];
+ return true;
+}
+
+static bool cuda_cmd_powerdown(CUDAState *s,
+ const uint8_t *in_data, int in_len,
+ uint8_t *out_data, int *out_len)
+{
+ if (in_len != 0) {
+ return false;
+ }
+
+ qemu_system_shutdown_request();
+ return true;
+}
+
+static bool cuda_cmd_reset_system(CUDAState *s,
+ const uint8_t *in_data, int in_len,
+ uint8_t *out_data, int *out_len)
+{
+ if (in_len != 0) {
+ return false;
+ }
+
+ qemu_system_reset_request();
+ return true;
+}
+
+static bool cuda_cmd_set_file_server_flag(CUDAState *s,
+ const uint8_t *in_data, int in_len,
+ uint8_t *out_data, int *out_len)
+{
+ if (in_len != 1) {
+ return false;
+ }
+
+ qemu_log_mask(LOG_UNIMP,
+ "CUDA: unimplemented command FILE_SERVER_FLAG %d\n",
+ in_data[0]);
+ return true;
+}
+
+static bool cuda_cmd_set_power_message(CUDAState *s,
+ const uint8_t *in_data, int in_len,
+ uint8_t *out_data, int *out_len)
+{
+ if (in_len != 1) {
+ return false;
+ }
+
+ qemu_log_mask(LOG_UNIMP,
+ "CUDA: unimplemented command SET_POWER_MESSAGE %d\n",
+ in_data[0]);
+ return true;
+}
+
+static bool cuda_cmd_get_time(CUDAState *s,
+ const uint8_t *in_data, int in_len,
+ uint8_t *out_data, int *out_len)
+{
uint32_t ti;
- switch(data[0]) {
- case CUDA_AUTOPOLL:
- autopoll = (data[1] != 0);
- if (autopoll != s->autopoll) {
- s->autopoll = autopoll;
- if (autopoll) {
- timer_mod(s->adb_poll_timer,
- qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
- (get_ticks_per_sec() / CUDA_ADB_POLL_FREQ));
+ if (in_len != 0) {
+ return false;
+ }
+
+ ti = s->tick_offset + (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)
+ / NANOSECONDS_PER_SECOND);
+ out_data[0] = ti >> 24;
+ out_data[1] = ti >> 16;
+ out_data[2] = ti >> 8;
+ out_data[3] = ti;
+ *out_len = 4;
+ return true;
+}
+
+static bool cuda_cmd_set_time(CUDAState *s,
+ const uint8_t *in_data, int in_len,
+ uint8_t *out_data, int *out_len)
+{
+ uint32_t ti;
+
+ if (in_len != 4) {
+ return false;
+ }
+
+ ti = (((uint32_t)in_data[0]) << 24) + (((uint32_t)in_data[1]) << 16)
+ + (((uint32_t)in_data[2]) << 8) + in_data[3];
+ s->tick_offset = ti - (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)
+ / NANOSECONDS_PER_SECOND);
+ return true;
+}
+
+static const CudaCommand handlers[] = {
+ { CUDA_AUTOPOLL, "AUTOPOLL", cuda_cmd_autopoll },
+ { CUDA_SET_AUTO_RATE, "SET_AUTO_RATE", cuda_cmd_set_autorate },
+ { CUDA_SET_DEVICE_LIST, "SET_DEVICE_LIST", cuda_cmd_set_device_list },
+ { CUDA_POWERDOWN, "POWERDOWN", cuda_cmd_powerdown },
+ { CUDA_RESET_SYSTEM, "RESET_SYSTEM", cuda_cmd_reset_system },
+ { CUDA_FILE_SERVER_FLAG, "FILE_SERVER_FLAG",
+ cuda_cmd_set_file_server_flag },
+ { CUDA_SET_POWER_MESSAGES, "SET_POWER_MESSAGES",
+ cuda_cmd_set_power_message },
+ { CUDA_GET_TIME, "GET_TIME", cuda_cmd_get_time },
+ { CUDA_SET_TIME, "SET_TIME", cuda_cmd_set_time },
+};
+
+static void cuda_receive_packet(CUDAState *s,
+ const uint8_t *data, int len)
+{
+ uint8_t obuf[16] = { CUDA_PACKET, 0, data[0] };
+ int i, out_len = 0;
+
+ for (i = 0; i < ARRAY_SIZE(handlers); i++) {
+ const CudaCommand *desc = &handlers[i];
+ if (desc->command == data[0]) {
+ CUDA_DPRINTF("handling command %s\n", desc->name);
+ out_len = 0;
+ if (desc->handler(s, data + 1, len - 1, obuf + 3, &out_len)) {
+ cuda_send_packet_to_host(s, obuf, 3 + out_len);
} else {
- timer_del(s->adb_poll_timer);
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "CUDA: %s: wrong parameters %d\n",
+ desc->name, len);
+ obuf[0] = ERROR_PACKET;
+ obuf[1] = 0x5; /* bad parameters */
+ obuf[2] = CUDA_PACKET;
+ obuf[3] = data[0];
+ cuda_send_packet_to_host(s, obuf, 4);
}
+ return;
}
- obuf[0] = CUDA_PACKET;
- obuf[1] = data[1];
- cuda_send_packet_to_host(s, obuf, 2);
- break;
- case CUDA_SET_TIME:
- ti = (((uint32_t)data[1]) << 24) + (((uint32_t)data[2]) << 16) + (((uint32_t)data[3]) << 8) + data[4];
- s->tick_offset = ti - (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) / get_ticks_per_sec());
- obuf[0] = CUDA_PACKET;
- obuf[1] = 0;
- obuf[2] = 0;
- cuda_send_packet_to_host(s, obuf, 3);
- break;
- case CUDA_GET_TIME:
- ti = s->tick_offset + (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) / get_ticks_per_sec());
- obuf[0] = CUDA_PACKET;
- obuf[1] = 0;
- obuf[2] = 0;
- obuf[3] = ti >> 24;
- obuf[4] = ti >> 16;
- obuf[5] = ti >> 8;
- obuf[6] = ti;
- cuda_send_packet_to_host(s, obuf, 7);
- break;
- case CUDA_FILE_SERVER_FLAG:
- case CUDA_SET_DEVICE_LIST:
- case CUDA_SET_AUTO_RATE:
- case CUDA_SET_POWER_MESSAGES:
- obuf[0] = CUDA_PACKET;
- obuf[1] = 0;
- cuda_send_packet_to_host(s, obuf, 2);
- break;
- case CUDA_POWERDOWN:
- obuf[0] = CUDA_PACKET;
- obuf[1] = 0;
- cuda_send_packet_to_host(s, obuf, 2);
- qemu_system_shutdown_request();
- break;
- case CUDA_RESET_SYSTEM:
- obuf[0] = CUDA_PACKET;
- obuf[1] = 0;
- cuda_send_packet_to_host(s, obuf, 2);
- qemu_system_reset_request();
- break;
- default:
- break;
}
+
+ qemu_log_mask(LOG_GUEST_ERROR, "CUDA: unknown command 0x%02x\n", data[0]);
+ obuf[0] = ERROR_PACKET;
+ obuf[1] = 0x2; /* unknown command */
+ obuf[2] = CUDA_PACKET;
+ obuf[3] = data[0];
+ cuda_send_packet_to_host(s, obuf, 4);
}
static void cuda_receive_packet_from_host(CUDAState *s,
@@ -560,19 +756,21 @@ static void cuda_receive_packet_from_host(CUDAState *s,
switch(data[0]) {
case ADB_PACKET:
{
- uint8_t obuf[ADB_MAX_OUT_LEN + 2];
+ uint8_t obuf[ADB_MAX_OUT_LEN + 3];
int olen;
olen = adb_request(&s->adb_bus, obuf + 2, data + 1, len - 1);
if (olen > 0) {
obuf[0] = ADB_PACKET;
obuf[1] = 0x00;
+ cuda_send_packet_to_host(s, obuf, olen + 2);
} else {
/* error */
obuf[0] = ADB_PACKET;
obuf[1] = -olen;
+ obuf[2] = data[1];
olen = 0;
+ cuda_send_packet_to_host(s, obuf, olen + 3);
}
- cuda_send_packet_to_host(s, obuf, olen + 2);
}
break;
case CUDA_PACKET:
@@ -638,15 +836,17 @@ static const VMStateDescription vmstate_cuda_timer = {
static const VMStateDescription vmstate_cuda = {
.name = "cuda",
- .version_id = 2,
- .minimum_version_id = 2,
+ .version_id = 4,
+ .minimum_version_id = 4,
.fields = (VMStateField[]) {
VMSTATE_UINT8(a, CUDAState),
VMSTATE_UINT8(b, CUDAState),
+ VMSTATE_UINT8(last_b, CUDAState),
VMSTATE_UINT8(dira, CUDAState),
VMSTATE_UINT8(dirb, CUDAState),
VMSTATE_UINT8(sr, CUDAState),
VMSTATE_UINT8(acr, CUDAState),
+ VMSTATE_UINT8(last_acr, CUDAState),
VMSTATE_UINT8(pcr, CUDAState),
VMSTATE_UINT8(ifr, CUDAState),
VMSTATE_UINT8(ier, CUDAState),
@@ -655,12 +855,15 @@ static const VMStateDescription vmstate_cuda = {
VMSTATE_INT32(data_in_index, CUDAState),
VMSTATE_INT32(data_out_index, CUDAState),
VMSTATE_UINT8(autopoll, CUDAState),
+ VMSTATE_UINT8(autopoll_rate_ms, CUDAState),
+ VMSTATE_UINT16(adb_poll_mask, CUDAState),
VMSTATE_BUFFER(data_in, CUDAState),
VMSTATE_BUFFER(data_out, CUDAState),
VMSTATE_UINT32(tick_offset, CUDAState),
VMSTATE_STRUCT_ARRAY(timers, CUDAState, 2, 1,
vmstate_cuda_timer, CUDATimer),
VMSTATE_TIMER_PTR(adb_poll_timer, CUDAState),
+ VMSTATE_TIMER_PTR(sr_delay_timer, CUDAState),
VMSTATE_END_OF_LIST()
}
};
@@ -671,7 +874,7 @@ static void cuda_reset(DeviceState *dev)
s->b = 0;
s->a = 0;
- s->dirb = 0;
+ s->dirb = 0xff;
s->dira = 0;
s->sr = 0;
s->acr = 0;
@@ -688,8 +891,9 @@ static void cuda_reset(DeviceState *dev)
s->timers[0].latch = 0xffff;
set_counter(s, &s->timers[0], 0xffff);
- s->timers[1].latch = 0;
- set_counter(s, &s->timers[1], 0xffff);
+ s->timers[1].latch = 0xffff;
+
+ s->sr_delay_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_set_sr_int, s);
}
static void cuda_realizefn(DeviceState *dev, Error **errp)
@@ -699,12 +903,15 @@ static void cuda_realizefn(DeviceState *dev, Error **errp)
s->timers[0].timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_timer1, s);
s->timers[0].frequency = s->frequency;
- s->timers[1].frequency = s->frequency;
+ s->timers[1].timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_timer2, s);
+ s->timers[1].frequency = (SCALE_US * 6000) / 4700;
qemu_get_timedate(&tm, 0);
s->tick_offset = (uint32_t)mktimegm(&tm) + RTC_OFFSET;
s->adb_poll_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_adb_poll, s);
+ s->autopoll_rate_ms = 20;
+ s->adb_poll_mask = 0xffff;
}
static void cuda_initfn(Object *obj)
@@ -713,7 +920,7 @@ static void cuda_initfn(Object *obj)
CUDAState *s = CUDA(obj);
int i;
- memory_region_init_io(&s->mem, NULL, &cuda_ops, s, "cuda", 0x2000);
+ memory_region_init_io(&s->mem, obj, &cuda_ops, s, "cuda", 0x2000);
sysbus_init_mmio(d, &s->mem);
sysbus_init_irq(d, &s->irq);
@@ -738,6 +945,7 @@ static void cuda_class_init(ObjectClass *oc, void *data)
dc->reset = cuda_reset;
dc->vmsd = &vmstate_cuda;
dc->props = cuda_properties;
+ set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
}
static const TypeInfo cuda_type_info = {