1 /* Copyright (C) 2007-2008 The Android Open Source Project 2 ** 3 ** This software is licensed under the terms of the GNU General Public 4 ** License version 2, as published by the Free Software Foundation, and 5 ** may be copied, distributed, and modified under those terms. 6 ** 7 ** This program is distributed in the hope that it will be useful, 8 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 9 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 10 ** GNU General Public License for more details. 11 */ 12 #include <unistd.h> 13 #include <fcntl.h> 14 #include <string.h> 15 16 #include "qemu_file.h" 17 #include "goldfish_device.h" 18 #include "audio/audio.h" 19 20 extern void dprint(const char* fmt, ...); 21 22 int fd = -1; 23 24 static uint32_t memlog_read(void *opaque, target_phys_addr_t offset) 25 { 26 (void)opaque; 27 (void)offset; 28 return 0; 29 } 30 31 unsigned info[8]; 32 33 static void memlog_write(void *opaque, target_phys_addr_t offset, uint32_t val) 34 { 35 char buf[128]; 36 struct goldfish_device *dev = opaque; 37 int ret; 38 39 (void)dev; 40 41 if (offset < 8*4) 42 info[offset / 4] = val; 43 44 if (offset == 0) { 45 /* write PID and VADDR to logfile */ 46 snprintf(buf, sizeof buf, "%08x %08x\n", info[0], info[1]); 47 do { 48 ret = write(fd, buf, strlen(buf)); 49 } while (ret < 0 && errno == EINTR); 50 } 51 } 52 53 54 static CPUReadMemoryFunc *memlog_readfn[] = { 55 memlog_read, 56 memlog_read, 57 memlog_read 58 }; 59 60 static CPUWriteMemoryFunc *memlog_writefn[] = { 61 memlog_write, 62 memlog_write, 63 memlog_write 64 }; 65 66 struct goldfish_device memlog_dev; 67 68 void goldfish_memlog_init(uint32_t base) 69 { 70 struct goldfish_device *dev = &memlog_dev; 71 72 dev->name = "goldfish_memlog"; 73 dev->id = 0; 74 dev->base = base; 75 dev->size = 0x1000; 76 dev->irq_count = 0; 77 78 do { 79 fd = open("mem.log", /* O_CREAT | */ O_TRUNC | O_WRONLY, 0644); 80 } while (fd < 0 && errno == EINTR); 81 82 goldfish_device_add(dev, memlog_readfn, memlog_writefn, dev); 83 } 84 85
