18b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Copyright (C) 2007-2008 The Android Open Source Project 28b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project** 38b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project** This software is licensed under the terms of the GNU General Public 48b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project** License version 2, as published by the Free Software Foundation, and 58b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project** may be copied, distributed, and modified under those terms. 68b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project** 78b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project** This program is distributed in the hope that it will be useful, 88b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project** but WITHOUT ANY WARRANTY; without even the implied warranty of 98b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project** GNU General Public License for more details. 118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project*/ 128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include "qemu_file.h" 138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include "qemu-char.h" 148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include "goldfish_device.h" 158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectenum { 178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TTY_PUT_CHAR = 0x00, 188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TTY_BYTES_READY = 0x04, 198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TTY_CMD = 0x08, 208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TTY_DATA_PTR = 0x10, 228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TTY_DATA_LEN = 0x14, 238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TTY_CMD_INT_DISABLE = 0, 258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TTY_CMD_INT_ENABLE = 1, 268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TTY_CMD_WRITE_BUFFER = 2, 278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project TTY_CMD_READ_BUFFER = 3, 288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project}; 298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstruct tty_state { 318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct goldfish_device dev; 328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project CharDriverState *cs; 338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t ptr; 348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t ptr_len; 358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t ready; 368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint8_t data[128]; 378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint32_t data_count; 388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project}; 398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define GOLDFISH_TTY_SAVE_VERSION 1 418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic void goldfish_tty_save(QEMUFile* f, void* opaque) 438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct tty_state* s = opaque; 458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project qemu_put_be32( f, s->ptr ); 478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project qemu_put_be32( f, s->ptr_len ); 488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project qemu_put_byte( f, s->ready ); 498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project qemu_put_byte( f, s->data_count ); 508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project qemu_put_buffer( f, s->data, s->data_count ); 518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic int goldfish_tty_load(QEMUFile* f, void* opaque, int version_id) 548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct tty_state* s = opaque; 568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if (version_id != GOLDFISH_TTY_SAVE_VERSION) 588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return -1; 598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->ptr = qemu_get_be32(f); 618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->ptr_len = qemu_get_be32(f); 628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->ready = qemu_get_byte(f); 638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->data_count = qemu_get_byte(f); 648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project qemu_get_buffer(f, s->data, s->data_count); 658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 0; 678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic uint32_t goldfish_tty_read(void *opaque, target_phys_addr_t offset) 708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct tty_state *s = (struct tty_state *)opaque; 728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project //printf("goldfish_tty_read %x %x\n", offset, size); 748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project switch (offset) { 768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case TTY_BYTES_READY: 778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return s->data_count; 788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project default: 798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_abort (cpu_single_env, "goldfish_tty_read: Bad offset %x\n", offset); 808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return 0; 818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic void goldfish_tty_write(void *opaque, target_phys_addr_t offset, uint32_t value) 858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct tty_state *s = (struct tty_state *)opaque; 878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project //printf("goldfish_tty_read %x %x %x\n", offset, value, size); 898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project switch(offset) { 918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case TTY_PUT_CHAR: { 928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project uint8_t ch = value; 938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if(s->cs) 948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project qemu_chr_write(s->cs, &ch, 1); 958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } break; 968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case TTY_CMD: 988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project switch(value) { 998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case TTY_CMD_INT_DISABLE: 1008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if(s->ready) { 1018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if(s->data_count > 0) 1028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goldfish_device_set_irq(&s->dev, 0, 0); 1038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->ready = 0; 1048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 1068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case TTY_CMD_INT_ENABLE: 1088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if(!s->ready) { 1098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if(s->data_count > 0) 1108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goldfish_device_set_irq(&s->dev, 0, 1); 1118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->ready = 1; 1128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 1148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case TTY_CMD_WRITE_BUFFER: 1168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if(s->cs) { 1178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int len; 1185d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner target_phys_addr_t buf; 1198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project buf = s->ptr; 1218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project len = s->ptr_len; 1228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1235d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner while (len) { 1245d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner char temp[64]; 1255d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner int to_write = sizeof(temp); 1265d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner if (to_write > len) 1275d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner to_write = len; 1285d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 1295d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner cpu_memory_rw_debug(cpu_single_env, buf, temp, to_write, 0); 1305d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner qemu_chr_write(s->cs, temp, to_write); 1318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project buf += to_write; 1328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project len -= to_write; 1338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project //printf("goldfish_tty_write: got %d bytes from %x\n", s->ptr_len, s->ptr); 1358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 1378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case TTY_CMD_READ_BUFFER: 1398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if(s->ptr_len > s->data_count) 1408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_abort (cpu_single_env, "goldfish_tty_write: reading more data than available %d %d\n", s->ptr_len, s->data_count); 1415d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner cpu_memory_rw_debug(cpu_single_env,s->ptr, s->data, s->ptr_len,1); 1428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project //printf("goldfish_tty_write: read %d bytes to %x\n", s->ptr_len, s->ptr); 1438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if(s->data_count > s->ptr_len) 1448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project memmove(s->data, s->data + s->ptr_len, s->data_count - s->ptr_len); 1458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->data_count -= s->ptr_len; 1468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if(s->data_count == 0 && s->ready) 1478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goldfish_device_set_irq(&s->dev, 0, 0); 1488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 1498b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project default: 1518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_abort (cpu_single_env, "goldfish_tty_write: Bad command %x\n", value); 1528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project }; 1538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 1548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case TTY_DATA_PTR: 1568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->ptr = value; 1578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 1588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project case TTY_DATA_LEN: 1608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->ptr_len = value; 1618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project break; 1628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project default: 1648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project cpu_abort (cpu_single_env, "goldfish_tty_write: Bad offset %x\n", offset); 1658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 1668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1678b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1688b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic int tty_can_receive(void *opaque) 1698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct tty_state *s = opaque; 1718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return (sizeof(s->data) - s->data_count); 1738b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1748b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1758b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic void tty_receive(void *opaque, const uint8_t *buf, int size) 1768b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1778b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct tty_state *s = opaque; 1788b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1798b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project memcpy(s->data + s->data_count, buf, size); 1808b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->data_count += size; 1818b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if(s->data_count > 0 && s->ready) 1828b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goldfish_device_set_irq(&s->dev, 0, 1); 1838b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1848b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1858b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic CPUReadMemoryFunc *goldfish_tty_readfn[] = { 1868b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goldfish_tty_read, 1878b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goldfish_tty_read, 1888b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goldfish_tty_read 1898b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project}; 1908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic CPUWriteMemoryFunc *goldfish_tty_writefn[] = { 1928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goldfish_tty_write, 1938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goldfish_tty_write, 1948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goldfish_tty_write 1958b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project}; 1968b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1978b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint goldfish_tty_add(CharDriverState *cs, int id, uint32_t base, int irq) 1988b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1998b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int ret; 2008b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project struct tty_state *s; 2018b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project static int instance_id = 0; 2028b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2038b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s = qemu_mallocz(sizeof(*s)); 2048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->dev.name = "goldfish_tty"; 2058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->dev.id = id; 2068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->dev.base = base; 2078b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->dev.size = 0x1000; 2088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->dev.irq = irq; 2098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->dev.irq_count = 1; 2108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project s->cs = cs; 2118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if(cs) { 2138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project qemu_chr_add_handlers(cs, tty_can_receive, tty_receive, NULL, s); 2148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 2158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project ret = goldfish_device_add(&s->dev, goldfish_tty_readfn, goldfish_tty_writefn, s); 2178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project if(ret) { 2188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project qemu_free(s); 2198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } else { 2208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project register_savevm( "goldfish_tty", instance_id++, GOLDFISH_TTY_SAVE_VERSION, 2218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project goldfish_tty_save, goldfish_tty_load, s); 2228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project } 2238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return ret; 2248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 2258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 226