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-rw-r--r--qemu/hw/misc/macio/cuda.c964
1 files changed, 0 insertions, 964 deletions
diff --git a/qemu/hw/misc/macio/cuda.c b/qemu/hw/misc/macio/cuda.c
deleted file mode 100644
index f15f30110..000000000
--- a/qemu/hw/misc/macio/cuda.c
+++ /dev/null
@@ -1,964 +0,0 @@
-/*
- * QEMU PowerMac CUDA device support
- *
- * Copyright (c) 2004-2007 Fabrice Bellard
- * Copyright (c) 2007 Jocelyn Mayer
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * 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 */
-
-/* debug CUDA */
-//#define DEBUG_CUDA
-
-/* debug CUDA packets */
-//#define DEBUG_CUDA_PACKET
-
-#ifdef DEBUG_CUDA
-#define CUDA_DPRINTF(fmt, ...) \
- do { printf("CUDA: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define CUDA_DPRINTF(fmt, ...)
-#endif
-
-/* Bits in B data register: all active low */
-#define TREQ 0x08 /* Transfer request (input) */
-#define TACK 0x10 /* Transfer acknowledge (output) */
-#define TIP 0x20 /* Transfer in progress (output) */
-
-/* Bits in ACR */
-#define SR_CTRL 0x1c /* Shift register control bits */
-#define SR_EXT 0x0c /* Shift on external clock */
-#define SR_OUT 0x10 /* Shift out if 1 */
-
-/* Bits in IFR and IER */
-#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 */
-
-/* Bits in ACR */
-#define T1MODE 0xc0 /* Timer 1 mode */
-#define T1MODE_CONT 0x40 /* continuous interrupts */
-
-/* commands (1st byte) */
-#define ADB_PACKET 0
-#define CUDA_PACKET 1
-#define ERROR_PACKET 2
-#define TIMER_PACKET 3
-#define POWER_PACKET 4
-#define MACIIC_PACKET 5
-#define PMU_PACKET 6
-
-
-/* CUDA commands (2nd byte) */
-#define CUDA_WARM_START 0x0
-#define CUDA_AUTOPOLL 0x1
-#define CUDA_GET_6805_ADDR 0x2
-#define CUDA_GET_TIME 0x3
-#define CUDA_GET_PRAM 0x7
-#define CUDA_SET_6805_ADDR 0x8
-#define CUDA_SET_TIME 0x9
-#define CUDA_POWERDOWN 0xa
-#define CUDA_POWERUP_TIME 0xb
-#define CUDA_SET_PRAM 0xc
-#define CUDA_MS_RESET 0xd
-#define CUDA_SEND_DFAC 0xe
-#define CUDA_BATTERY_SWAP_SENSE 0x10
-#define CUDA_RESET_SYSTEM 0x11
-#define CUDA_SET_IPL 0x12
-#define CUDA_FILE_SERVER_FLAG 0x13
-#define CUDA_SET_AUTO_RATE 0x14
-#define CUDA_GET_AUTO_RATE 0x16
-#define CUDA_SET_DEVICE_LIST 0x19
-#define CUDA_GET_DEVICE_LIST 0x1a
-#define CUDA_SET_ONE_SECOND_MODE 0x1b
-#define CUDA_SET_POWER_MESSAGES 0x21
-#define CUDA_GET_SET_IIC 0x22
-#define CUDA_WAKEUP 0x23
-#define CUDA_TIMER_TICKLE 0x24
-#define CUDA_COMBINED_FORMAT_IIC 0x25
-
-#define CUDA_TIMER_FREQ (4700000 / 6)
-
-/* 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);
-static void cuda_timer_update(CUDAState *s, CUDATimer *ti,
- int64_t current_time);
-
-static void cuda_update_irq(CUDAState *s)
-{
- 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 time, uint64_t freq)
-{
- return muldiv64(time, freq, NANOSECONDS_PER_SECOND);
-}
-
-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(current_time, ti->frequency) - ti->load_time;
- d = (tb_diff * 0xBF401675E5DULL) / (ti->frequency << 24);
-
- if (ti->index == 0) {
- /* the timer goes down from latch to -1 (period of latch + 2) */
- if (d <= (ti->counter_value + 1)) {
- counter = (ti->counter_value - d) & 0xffff;
- } else {
- counter = (d - (ti->counter_value + 1)) % (ti->latch + 2);
- counter = (ti->latch - counter) & 0xffff;
- }
- } else {
- 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->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);
-}
-
-static int64_t get_next_irq_time(CUDATimer *s, int64_t current_time)
-{
- int64_t d, next_time;
- unsigned int counter;
-
- /* current counter value */
- d = muldiv64(current_time - s->load_time,
- 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;
- } else {
- counter = (d - (s->counter_value + 1)) % (s->latch + 2);
- counter = (s->latch - counter) & 0xffff;
- }
-
- /* Note: we consider the irq is raised on 0 */
- if (counter == 0xffff) {
- next_time = d + s->latch + 1;
- } else if (counter == 0) {
- next_time = d + s->latch + 2;
- } else {
- next_time = d + counter;
- }
- CUDA_DPRINTF("latch=%d counter=%" PRId64 " delta_next=%" PRId64 "\n",
- s->latch, d, next_time - d);
- next_time = muldiv64(next_time, NANOSECONDS_PER_SECOND, CUDA_TIMER_FREQ) +
- s->load_time;
- if (next_time <= current_time)
- next_time = current_time + 1;
- return next_time;
-}
-
-static void cuda_timer_update(CUDAState *s, CUDATimer *ti,
- int64_t current_time)
-{
- if (!ti->timer)
- return;
- 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);
- timer_mod(ti->timer, ti->next_irq_time);
- }
-}
-
-static void cuda_timer1(void *opaque)
-{
- CUDAState *s = opaque;
- CUDATimer *ti = &s->timers[0];
-
- cuda_timer_update(s, ti, ti->next_irq_time);
- s->ifr |= T1_INT;
- 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;
- uint32_t val;
-
- addr = (addr >> 9) & 0xf;
- switch(addr) {
- case CUDA_REG_B:
- val = s->b;
- break;
- case CUDA_REG_A:
- val = s->a;
- break;
- case CUDA_REG_DIRB:
- val = s->dirb;
- break;
- case CUDA_REG_DIRA:
- val = s->dira;
- break;
- case CUDA_REG_T1CL:
- val = get_counter(&s->timers[0]) & 0xff;
- s->ifr &= ~T1_INT;
- cuda_update_irq(s);
- break;
- case CUDA_REG_T1CH:
- val = get_counter(&s->timers[0]) >> 8;
- cuda_update_irq(s);
- break;
- case CUDA_REG_T1LL:
- val = s->timers[0].latch & 0xff;
- break;
- case CUDA_REG_T1LH:
- /* XXX: check this */
- val = (s->timers[0].latch >> 8) & 0xff;
- break;
- case CUDA_REG_T2CL:
- val = get_counter(&s->timers[1]) & 0xff;
- s->ifr &= ~T2_INT;
- cuda_update_irq(s);
- break;
- case CUDA_REG_T2CH:
- val = get_counter(&s->timers[1]) >> 8;
- break;
- case CUDA_REG_SR:
- val = s->sr;
- s->ifr &= ~(SR_INT | SR_CLOCK_INT | SR_DATA_INT);
- cuda_update_irq(s);
- break;
- case CUDA_REG_ACR:
- val = s->acr;
- break;
- case CUDA_REG_PCR:
- val = s->pcr;
- break;
- case CUDA_REG_IFR:
- val = s->ifr;
- if (s->ifr & s->ier) {
- val |= 0x80;
- }
- break;
- case CUDA_REG_IER:
- val = s->ier | 0x80;
- break;
- default:
- case CUDA_REG_ANH:
- val = s->anh;
- break;
- }
- if (addr != CUDA_REG_IFR || val != 0) {
- CUDA_DPRINTF("read: reg=0x%x val=%02x\n", (int)addr, val);
- }
-
- return val;
-}
-
-static void cuda_writeb(void *opaque, hwaddr addr, uint32_t val)
-{
- CUDAState *s = opaque;
-
- addr = (addr >> 9) & 0xf;
- CUDA_DPRINTF("write: reg=0x%x val=%02x\n", (int)addr, val);
-
- switch(addr) {
- case CUDA_REG_B:
- s->b = val;
- cuda_update(s);
- break;
- case CUDA_REG_A:
- s->a = val;
- break;
- case CUDA_REG_DIRB:
- s->dirb = val;
- break;
- case CUDA_REG_DIRA:
- s->dira = val;
- break;
- 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 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 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 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 CUDA_REG_T2CL:
- s->timers[1].latch = (s->timers[1].latch & 0xff00) | val;
- break;
- 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 CUDA_REG_SR:
- s->sr = val;
- break;
- 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 CUDA_REG_PCR:
- s->pcr = val;
- break;
- case CUDA_REG_IFR:
- /* reset bits */
- s->ifr &= ~val;
- cuda_update_irq(s);
- break;
- case CUDA_REG_IER:
- if (val & IER_SET) {
- /* set bits */
- s->ier |= val & 0x7f;
- } else {
- /* reset bits */
- s->ier &= ~val;
- }
- cuda_update_irq(s);
- break;
- default:
- case CUDA_REG_ANH:
- s->anh = val;
- break;
- }
-}
-
-/* NOTE: TIP and TREQ are negated */
-static void cuda_update(CUDAState *s)
-{
- int packet_received, len;
-
- packet_received = 0;
- if (!(s->b & TIP)) {
- /* transfer requested from host */
-
- if (s->acr & SR_OUT) {
- /* data output */
- if ((s->b & (TACK | TIP)) != (s->last_b & (TACK | TIP))) {
- 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;
- cuda_delay_set_sr_int(s);
- }
- }
- } else {
- if (s->data_in_index < s->data_in_size) {
- /* data input */
- if ((s->b & (TACK | TIP)) != (s->last_b & (TACK | TIP))) {
- s->sr = s->data_in[s->data_in_index++];
- CUDA_DPRINTF("recv: %02x\n", s->sr);
- /* indicate end of transfer */
- if (s->data_in_index >= s->data_in_size) {
- s->b = (s->b | TREQ);
- }
- cuda_delay_set_sr_int(s);
- }
- }
- }
- } else {
- /* no transfer requested: handle sync case */
- if ((s->last_b & TIP) && (s->b & TACK) != (s->last_b & TACK)) {
- /* update TREQ state each time TACK change state */
- if (s->b & TACK)
- s->b = (s->b | TREQ);
- else
- s->b = (s->b & ~TREQ);
- 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 */
- cuda_delay_set_sr_int(s);
- }
- /* signal if there is data to read */
- if (s->data_in_index < s->data_in_size) {
- s->b = (s->b & ~TREQ);
- }
- }
- }
-
- s->last_acr = s->acr;
- s->last_b = s->b;
-
- /* NOTE: cuda_receive_packet_from_host() can call cuda_update()
- recursively */
- if (packet_received) {
- len = s->data_out_index;
- s->data_out_index = 0;
- cuda_receive_packet_from_host(s, s->data_out, len);
- }
-}
-
-static void cuda_send_packet_to_host(CUDAState *s,
- const uint8_t *data, int len)
-{
-#ifdef DEBUG_CUDA_PACKET
- {
- int i;
- printf("cuda_send_packet_to_host:\n");
- for(i = 0; i < len; i++)
- printf(" %02x", data[i]);
- printf("\n");
- }
-#endif
- memcpy(s->data_in, data, len);
- s->data_in_size = len;
- s->data_in_index = 0;
- cuda_update(s);
- cuda_delay_set_sr_int(s);
-}
-
-static void cuda_adb_poll(void *opaque)
-{
- CUDAState *s = opaque;
- uint8_t obuf[ADB_MAX_OUT_LEN + 2];
- int olen;
-
- olen = adb_poll(&s->adb_bus, obuf + 2, s->adb_poll_mask);
- if (olen > 0) {
- obuf[0] = ADB_PACKET;
- obuf[1] = 0x40; /* polled data */
- cuda_send_packet_to_host(s, obuf, olen + 2);
- }
- timer_mod(s->adb_poll_timer,
- qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
- (NANOSECONDS_PER_SECOND / (1000 / s->autopoll_rate_ms)));
-}
-
-/* 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)
-{
- 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;
-
- 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 {
- 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;
- }
- }
-
- 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,
- const uint8_t *data, int len)
-{
-#ifdef DEBUG_CUDA_PACKET
- {
- int i;
- printf("cuda_receive_packet_from_host:\n");
- for(i = 0; i < len; i++)
- printf(" %02x", data[i]);
- printf("\n");
- }
-#endif
- switch(data[0]) {
- case ADB_PACKET:
- {
- 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);
- }
- }
- break;
- case CUDA_PACKET:
- cuda_receive_packet(s, data + 1, len - 1);
- break;
- }
-}
-
-static void cuda_writew (void *opaque, hwaddr addr, uint32_t value)
-{
-}
-
-static void cuda_writel (void *opaque, hwaddr addr, uint32_t value)
-{
-}
-
-static uint32_t cuda_readw (void *opaque, hwaddr addr)
-{
- return 0;
-}
-
-static uint32_t cuda_readl (void *opaque, hwaddr addr)
-{
- return 0;
-}
-
-static const MemoryRegionOps cuda_ops = {
- .old_mmio = {
- .write = {
- cuda_writeb,
- cuda_writew,
- cuda_writel,
- },
- .read = {
- cuda_readb,
- cuda_readw,
- cuda_readl,
- },
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static bool cuda_timer_exist(void *opaque, int version_id)
-{
- CUDATimer *s = opaque;
-
- return s->timer != NULL;
-}
-
-static const VMStateDescription vmstate_cuda_timer = {
- .name = "cuda_timer",
- .version_id = 0,
- .minimum_version_id = 0,
- .fields = (VMStateField[]) {
- VMSTATE_UINT16(latch, CUDATimer),
- VMSTATE_UINT16(counter_value, CUDATimer),
- VMSTATE_INT64(load_time, CUDATimer),
- VMSTATE_INT64(next_irq_time, CUDATimer),
- VMSTATE_TIMER_PTR_TEST(timer, CUDATimer, cuda_timer_exist),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static const VMStateDescription vmstate_cuda = {
- .name = "cuda",
- .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),
- VMSTATE_UINT8(anh, CUDAState),
- VMSTATE_INT32(data_in_size, CUDAState),
- 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()
- }
-};
-
-static void cuda_reset(DeviceState *dev)
-{
- CUDAState *s = CUDA(dev);
-
- s->b = 0;
- s->a = 0;
- s->dirb = 0xff;
- s->dira = 0;
- s->sr = 0;
- s->acr = 0;
- s->pcr = 0;
- s->ifr = 0;
- s->ier = 0;
- // s->ier = T1_INT | SR_INT;
- s->anh = 0;
- s->data_in_size = 0;
- s->data_in_index = 0;
- s->data_out_index = 0;
- s->autopoll = 0;
-
- s->timers[0].latch = 0xffff;
- set_counter(s, &s->timers[0], 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)
-{
- CUDAState *s = CUDA(dev);
- struct tm tm;
-
- s->timers[0].timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_timer1, s);
- s->timers[0].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)
-{
- SysBusDevice *d = SYS_BUS_DEVICE(obj);
- CUDAState *s = CUDA(obj);
- int i;
-
- memory_region_init_io(&s->mem, obj, &cuda_ops, s, "cuda", 0x2000);
- sysbus_init_mmio(d, &s->mem);
- sysbus_init_irq(d, &s->irq);
-
- for (i = 0; i < ARRAY_SIZE(s->timers); i++) {
- s->timers[i].index = i;
- }
-
- qbus_create_inplace(&s->adb_bus, sizeof(s->adb_bus), TYPE_ADB_BUS,
- DEVICE(obj), "adb.0");
-}
-
-static Property cuda_properties[] = {
- DEFINE_PROP_UINT64("frequency", CUDAState, frequency, 0),
- DEFINE_PROP_END_OF_LIST()
-};
-
-static void cuda_class_init(ObjectClass *oc, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(oc);
-
- dc->realize = cuda_realizefn;
- 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 = {
- .name = TYPE_CUDA,
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(CUDAState),
- .instance_init = cuda_initfn,
- .class_init = cuda_class_init,
-};
-
-static void cuda_register_types(void)
-{
- type_register_static(&cuda_type_info);
-}
-
-type_init(cuda_register_types)