| 1 | =====================================================================
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| 2 | QEMU-VIRTã¿ã¼ã²ããä¾åé¨ (ssp-1.3.0対å¿ï¼
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| 3 | Last Modified: '18/05/29
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| 4 | =====================================================================
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| 5 |
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| 6 | âæ¦è¦
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| 7 |
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| 8 | QEMU-VIRTã¿ã¼ã²ããä¾åé¨ã¯ï¼ããã»ããµã«Cortex-A53 ãæè¼ãã
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| 9 | QEMUã®ä»®æ³ãã¼ãVIRTããµãã¼ããã¦ããï¼
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| 10 |
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| 11 |
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| 12 | âã«ã¼ãã«ã®ä½¿ç¨ãªã½ã¼ã¹
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| 13 |
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| 14 | ã«ã¼ãã«ã¯ä»¥ä¸ã®ãªã½ã¼ã¹ã使ç¨ããï¼
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| 15 |
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| 16 | ã»ROM
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| 17 | ã³ã¼ããé
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| 18 | ç½®ããï¼
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| 19 | 使ç¨éã¯ä½¿ç¨ããAPIã®æ°ã«ä¾åããï¼
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| 20 |
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| 21 | ã»RAM
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| 22 | ãã¼ã¿ãé
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| 23 | ç½®ããï¼
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| 24 | 使ç¨éã¯ãªãã¸ã§ã¯ãæ°ã«ä¾åããï¼
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| 25 |
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| 26 | ã»Generic Timer
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| 27 | ã«ã¼ãã«å
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| 28 | é¨ã®ãã£ãã¯ã®çæã«ç¨ããï¼
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| 29 |
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| 30 | ã»UART0 (PL011)
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| 31 | ã³ã³ã½ã¼ã«ã®åºåã«ä½¿ç¨ï¼
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| 32 |
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| 33 | âãããã°ç°å¢
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| 34 |
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| 35 | ãããã°ç°å¢ã¨ãã¦ï¼QEMUã®GDBãµã¼ãæ©è½ãå©ç¨ãã¦ï¼GDBã«ãããããã°ãå¯è½.
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| 36 |
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| 37 | âã³ã³ãã¤ã©
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| 38 |
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| 39 | GCC ã§åä½ç¢ºèªãè¡ã£ãï¼åä½ç¢ºèªãã GCC ã¯ï¼ä»¥ä¸ã®ãµã¤ããã
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| 40 | ãã¤ããªããã±ã¼ã¸ããã¦ã³ãã¼ããããã¨ãã§ããï¼
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| 41 | åä½ç¢ºèªãã¼ã¸ã§ã³ã¯ 5.3.1 ã§è¡ã£ãï¼
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| 42 |
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| 43 | https://releases.linaro.org/components/toolchain/binaries/
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| 44 |
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| 45 | âå²è¾¼ã¿åªå
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| 46 | 度
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| 47 |
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| 48 | å²è¾¼ã¿åªå
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| 49 | 度ã¨ãã¦æå®å¯è½ãªç¯å²ã¯ï¼-15 ã -1 ã§ããï¼
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| 50 |
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| 51 | âã³ã³ã½ã¼ã«åºå
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| 52 |
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| 53 | ã³ã³ã½ã¼ã«åºåã«ã¯ PrimeCell UART (PL011)ã使ç¨ããï¼
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| 54 |
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| 55 | éä¿¡ãã©ã¼ãããã¯ä»¥ä¸ã®éãã§ããï¼
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| 56 |
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| 57 | ã»38400bps, Data 8bit, Parity none, Stop 1bit, Flowå¶å¾¡ãªã
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| 58 |
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| 59 |
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| 60 | âå種è¨å®ã®å¤æ´
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| 61 |
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| 62 | å¹¾ã¤ãã®ãã©ã¡ã¼ã¿ã¯å¤æ´å¯è½ã«ãªã£ã¦ããï¼è¨å®ãã¡ã¤ã«æ¯ã«è¨å®å¯è½é
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| 63 | ç®
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| 64 | ã¯æ¬¡ã®ããã«ãªã£ã¦ããï¼
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| 65 |
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| 66 | âMakefile.target ã®è¨å®é
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| 67 | ç®
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| 68 |
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| 69 | ã»GCC_TARGET
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| 70 | GCCã® target triplet ãå®ç¾©
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| 71 |
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| 72 | ã»TEXT_START_ADDRESS/DATA_START_ADDRESS
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| 73 | ããã¹ãã»ã¯ã·ã§ã³ï¼ãã¼ã¿ã»ã¯ã·ã§ã³ã®éå§ã¢ãã¬ã¹
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| 74 |
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| 75 | ã»INCLUDES
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| 76 | ã¤ã³ã¯ã«ã¼ãæå®
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| 77 |
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| 78 | ã»COPTS
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| 79 | Cã³ã³ãã¤ã©ã¸ã®ãªãã·ã§ã³
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| 80 |
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| 81 | ã»LDFLAGS
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| 82 | ãªã³ã«ã¸ã®ãªãã·ã§ã³
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| 83 |
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| 84 | âtarget_config.h ã®è¨å®é
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| 85 | ç®
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| 86 |
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| 87 | ã»DEFAULT_ISTKSZ
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| 88 | ããã©ã«ãã®éã¿ã¹ã¯ã³ã³ããã¹ãç¨ã®ã¹ã¿ãã¯ãµã¤ãº
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| 89 |
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| 90 | âåä½ç¢ºèªæ¹æ³
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| 91 |
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| 92 | â QEMUãç¨ãã¦åä½ã確èªããå ´åï¼ä»¥ä¸ã®ããã«ã³ãã³ããå®è¡ããï¼
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| 93 |
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| 94 | (å®è¡ä¾)
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| 95 | $ qemu-system-aarch64 -M virt -cpu cortex-a53 -serial stdio -kernel ssp
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| 96 |
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| 97 | TOPPERS/SSP Kernel 1.3.0 for QEMU Virt(Cortex-A53) (May 29 2018 , 15:51:44)
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| 98 | Copyright (C) 2010 by Meika Sugimoto
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| 99 | Copyright (C) 2010 by Naoki Saito
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| 100 | Nagoya Municipal Industrial Research Institute, JAPAN
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| 101 |
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| 102 | System logging task is started on port 1.
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| 103 | Sample program starts.
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| 104 | #act_tsk(1)
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| 105 | task1 is running (001). |
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| 106 | task1 is running (002). |
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| 107 |
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| 108 |
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| 109 | â GDBã«ãããããã°æé
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| 110 |
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| 111 | GDBãç¨ãããããã°ãè¡ãå ´åï¼ã·ã§ã«ã2ã¤ç¨æããï¼
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| 112 | ä¸ã¤ã¯qemuãèµ·åãGDBãµã¼ãã¨ãã¦èµ·åããï¼
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| 113 |
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| 114 | (1ã¤ç®ã®ã·ã§ã«)
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| 115 | $ qemu-system-aarch64 -M virt -cpu cortex-a53 -serial stdio -s -S
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| 116 | VNC server running on 127.0.0.1:5900
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| 117 |
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| 118 | ãã㧠localhost:1234 ã§GDBãµã¼ããæ¥ç¶ãå¾
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| 119 | ã¡åããç¶æ
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| 120 | ã«ãªãï¼
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| 121 |
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| 122 | ããä¸ã¤ã®ã·ã§ã«ã§GDBãèµ·åãï¼GDBãµã¼ãã«æ¥ç¶ããï¼
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| 123 |
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| 124 | (2ã¤ç®ã®ã·ã§ã«)
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| 125 | $ aarch-elf-gdb ssp
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| 126 | (gdb)
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| 127 |
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| 128 | ããã§å種ã®è¨å®ï¼ãµã¼ãã¸ã®æ¥ç¶ï¼ãã¼ããè¡ãã¨ã¹ããããå®è¡çã®
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| 129 | ãããã°åä½ãè¡ããã¨ãã§ããï¼
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| 130 |
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| 131 | (gdb) set architecture aarch64
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| 132 | The target architecture is assumed to be aarch64
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| 133 | (gdb) set debug aarch64
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| 134 | (gdb) target extended-remote localhost:1234
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| 135 | Remote debugging using localhost:1234
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| 136 | 0x0000000000000000 in ?? ()
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| 137 | (gdb) load
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| 138 | Loading section .note.gnu.build-id, size 0x24 lma 0x0
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| 139 | Loading section .text, size 0x5040 lma 0x40000000
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| 140 | Loading section .rodata, size 0x650 lma 0x40005040
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| 141 | Loading section .rodata.str1.8, size 0x5b8 lma 0x40005690
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| 142 | Loading section .data, size 0x8 lma 0x40005c48
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| 143 | Start address 0x40000000, load size 23668
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| 144 | Transfer rate: 11556 KB/sec, 1577 bytes/write.
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| 145 | (gdb) s
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| 146 | aarch64: prologue analysis gave up addr=0x0x40000000 opcode=0xd50343df
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| 147 | 58 ldr x0, =vectors
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| 148 | (gdb) c
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| 149 | Continuing.
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| 150 |
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| 151 | 'c' ã³ãã³ãã§å®è¡ãç¶ç¶ããã¨ï¼GDBãµã¼ãå´ã®ç»é¢ã«ã·ãªã¢ã«ã¡ãã»ã¼ã¸ã表示ãããï¼
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| 152 | ãã¼å
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| 153 | ¥åããµã¼ãå´ã®ã·ã§ã«ç»é¢ã§è¡ãï¼
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| 154 |
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| 155 | qemuãçµäºããå ´åã¯Ctrl-Cã§çµäºããï¼
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| 156 | gdb ãçµäºããå ´åã¯ããã³ããã§'q'ã³ãã³ããå®è¡ãã¦çµäºããï¼
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| 157 |
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| 158 |
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| 159 | âå¤æ´å±¥æ´
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| 160 | ã»2018/05/29
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| 161 | ããæ°è¦ä½æ
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