From 437fd90c0250dee670290f9b714253671a990160 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Wed, 18 May 2016 13:18:31 +0300 Subject: These changes are the raw update to qemu-2.6. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Collission happened in the following patches: migration: do cleanup operation after completion(738df5b9) Bug fix.(1750c932f86) kvmclock: add a new function to update env->tsc.(b52baab2) The code provided by the patches was already in the upstreamed version. Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a Signed-off-by: José Pekkarinen --- qemu/hw/misc/macio/cuda.c | 480 +++++++++++++++++++++++++++++++++------------- 1 file changed, 344 insertions(+), 136 deletions(-) (limited to 'qemu/hw/misc/macio/cuda.c') 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 = { -- cgit 1.2.3-korg