《操作系统》的实验代码。
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

560 regels
18 KiB

12 jaren geleden
12 jaren geleden
12 jaren geleden
12 jaren geleden
12 jaren geleden
12 jaren geleden
  1. #!/bin/sh
  2. verbose=false
  3. if [ "x$1" = "x-v" ]; then
  4. verbose=true
  5. out=/dev/stdout
  6. err=/dev/stderr
  7. else
  8. out=/dev/null
  9. err=/dev/null
  10. fi
  11. ## make & makeopts
  12. if gmake --version > /dev/null 2>&1; then
  13. make=gmake;
  14. else
  15. make=make;
  16. fi
  17. makeopts="--quiet --no-print-directory -j"
  18. make_print() {
  19. echo `$make $makeopts print-$1`
  20. }
  21. ## command tools
  22. awk='awk'
  23. bc='bc'
  24. date='date'
  25. grep='grep'
  26. rm='rm -f'
  27. sed='sed'
  28. ## symbol table
  29. sym_table='obj/kernel.sym'
  30. ## gdb & gdbopts
  31. gdb="$(make_print GDB)"
  32. gdbport='1234'
  33. gdb_in="$(make_print GRADE_GDB_IN)"
  34. ## qemu & qemuopts
  35. qemu="$(make_print qemu)"
  36. qemu_out="$(make_print GRADE_QEMU_OUT)"
  37. if $qemu -nographic -help | grep -q '^-gdb'; then
  38. qemugdb="-gdb tcp::$gdbport"
  39. else
  40. qemugdb="-s -p $gdbport"
  41. fi
  42. ## default variables
  43. default_timeout=30
  44. default_pts=5
  45. pts=5
  46. part=0
  47. part_pos=0
  48. total=0
  49. total_pos=0
  50. ## default functions
  51. update_score() {
  52. total=`expr $total + $part`
  53. total_pos=`expr $total_pos + $part_pos`
  54. part=0
  55. part_pos=0
  56. }
  57. get_time() {
  58. echo `$date +%s.%N 2> /dev/null`
  59. }
  60. show_part() {
  61. echo "Part $1 Score: $part/$part_pos"
  62. echo
  63. update_score
  64. }
  65. show_final() {
  66. update_score
  67. echo "Total Score: $total/$total_pos"
  68. if [ $total -lt $total_pos ]; then
  69. exit 1
  70. fi
  71. }
  72. show_time() {
  73. t1=$(get_time)
  74. time=`echo "scale=1; ($t1-$t0)/1" | $sed 's/.N/.0/g' | $bc 2> /dev/null`
  75. echo "(${time}s)"
  76. }
  77. show_build_tag() {
  78. echo "$1:" | $awk '{printf "%-24s ", $0}'
  79. }
  80. show_check_tag() {
  81. echo "$1:" | $awk '{printf " -%-40s ", $0}'
  82. }
  83. show_msg() {
  84. echo $1
  85. shift
  86. if [ $# -gt 0 ]; then
  87. echo -e "$@" | awk '{printf " %s\n", $0}'
  88. echo
  89. fi
  90. }
  91. pass() {
  92. show_msg OK "$@"
  93. part=`expr $part + $pts`
  94. part_pos=`expr $part_pos + $pts`
  95. }
  96. fail() {
  97. show_msg WRONG "$@"
  98. part_pos=`expr $part_pos + $pts`
  99. }
  100. run_qemu() {
  101. # Run qemu with serial output redirected to $qemu_out. If $brkfun is non-empty,
  102. # wait until $brkfun is reached or $timeout expires, then kill QEMU
  103. qemuextra=
  104. if [ "$brkfun" ]; then
  105. qemuextra="-S $qemugdb"
  106. fi
  107. if [ -z "$timeout" ] || [ $timeout -le 0 ]; then
  108. timeout=$default_timeout;
  109. fi
  110. t0=$(get_time)
  111. (
  112. ulimit -t $timeout
  113. exec $qemu -nographic $qemuopts -serial file:$qemu_out -monitor null -no-reboot $qemuextra
  114. ) > $out 2> $err &
  115. pid=$!
  116. # wait for QEMU to start
  117. sleep 1
  118. if [ -n "$brkfun" ]; then
  119. # find the address of the kernel $brkfun function
  120. brkaddr=`$grep " $brkfun\$" $sym_table | $sed -e's/ .*$//g'`
  121. brkaddr_phys=`echo $brkaddr | sed "s/^c0/00/g"`
  122. (
  123. echo "target remote localhost:$gdbport"
  124. echo "break *0x$brkaddr"
  125. if [ "$brkaddr" != "$brkaddr_phys" ]; then
  126. echo "break *0x$brkaddr_phys"
  127. fi
  128. echo "continue"
  129. ) > $gdb_in
  130. $gdb -batch -nx -x $gdb_in > /dev/null 2>&1
  131. # make sure that QEMU is dead
  132. # on OS X, exiting gdb doesn't always exit qemu
  133. kill $pid > /dev/null 2>&1
  134. fi
  135. }
  136. build_run() {
  137. # usage: build_run <tag> <args>
  138. show_build_tag "$1"
  139. shift
  140. if $verbose; then
  141. echo "$make $@ ..."
  142. fi
  143. $make $makeopts $@ 'DEFS+=-DDEBUG_GRADE' > $out 2> $err
  144. if [ $? -ne 0 ]; then
  145. echo $make $@ failed
  146. exit 1
  147. fi
  148. # now run qemu and save the output
  149. run_qemu
  150. show_time
  151. cp $qemu_out .`echo $tag | tr '[:upper:]' '[:lower:]' | sed 's/ /_/g'`.log
  152. }
  153. check_result() {
  154. # usage: check_result <tag> <check> <check args...>
  155. show_check_tag "$1"
  156. shift
  157. # give qemu some time to run (for asynchronous mode)
  158. if [ ! -s $qemu_out ]; then
  159. sleep 4
  160. fi
  161. if [ ! -s $qemu_out ]; then
  162. fail > /dev/null
  163. echo 'no $qemu_out'
  164. else
  165. check=$1
  166. shift
  167. $check "$@"
  168. fi
  169. }
  170. check_regexps() {
  171. okay=yes
  172. not=0
  173. reg=0
  174. error=
  175. for i do
  176. if [ "x$i" = "x!" ]; then
  177. not=1
  178. elif [ "x$i" = "x-" ]; then
  179. reg=1
  180. else
  181. if [ $reg -ne 0 ]; then
  182. $grep '-E' "^$i\$" $qemu_out > /dev/null
  183. else
  184. $grep '-F' "$i" $qemu_out > /dev/null
  185. fi
  186. found=$(($? == 0))
  187. if [ $found -eq $not ]; then
  188. if [ $found -eq 0 ]; then
  189. msg="!! error: missing '$i'"
  190. else
  191. msg="!! error: got unexpected line '$i'"
  192. fi
  193. okay=no
  194. if [ -z "$error" ]; then
  195. error="$msg"
  196. else
  197. error="$error\n$msg"
  198. fi
  199. fi
  200. not=0
  201. reg=0
  202. fi
  203. done
  204. if [ "$okay" = "yes" ]; then
  205. pass
  206. else
  207. fail "$error"
  208. if $verbose; then
  209. exit 1
  210. fi
  211. fi
  212. }
  213. run_test() {
  214. # usage: run_test [-tag <tag>] [-prog <prog>] [-Ddef...] [-check <check>] checkargs ...
  215. tag=
  216. prog=
  217. check=check_regexps
  218. while true; do
  219. select=
  220. case $1 in
  221. -tag|-prog)
  222. select=`expr substr $1 2 ${#1}`
  223. eval $select='$2'
  224. ;;
  225. esac
  226. if [ -z "$select" ]; then
  227. break
  228. fi
  229. shift
  230. shift
  231. done
  232. defs=
  233. while expr "x$1" : "x-D.*" > /dev/null; do
  234. defs="DEFS+='$1' $defs"
  235. shift
  236. done
  237. if [ "x$1" = "x-check" ]; then
  238. check=$2
  239. shift
  240. shift
  241. fi
  242. if [ -z "$prog" ]; then
  243. $make $makeopts touch > /dev/null 2>&1
  244. args="$defs"
  245. else
  246. if [ -z "$tag" ]; then
  247. tag="$prog"
  248. fi
  249. args="build-$prog $defs"
  250. fi
  251. build_run "$tag" "$args"
  252. check_result 'check result' "$check" "$@"
  253. }
  254. quick_run() {
  255. # usage: quick_run <tag> [-Ddef...]
  256. tag="$1"
  257. shift
  258. defs=
  259. while expr "x$1" : "x-D.*" > /dev/null; do
  260. defs="DEFS+='$1' $defs"
  261. shift
  262. done
  263. $make $makeopts touch > /dev/null 2>&1
  264. build_run "$tag" "$defs"
  265. }
  266. quick_check() {
  267. # usage: quick_check <tag> checkargs ...
  268. tag="$1"
  269. shift
  270. check_result "$tag" check_regexps "$@"
  271. }
  272. ## kernel image
  273. osimg=$(make_print ucoreimg)
  274. ## swap image
  275. swapimg=$(make_print swapimg)
  276. ## set default qemu-options
  277. qemuopts="-hda $osimg -drive file=$swapimg,media=disk,cache=writeback"
  278. ## set break-function, default is readline
  279. brkfun=readline
  280. default_check() {
  281. pts=7
  282. check_regexps "$@"
  283. pts=3
  284. quick_check 'check output' \
  285. 'memory management: default_pmm_manager' \
  286. 'check_alloc_page() succeeded!' \
  287. 'check_pgdir() succeeded!' \
  288. 'check_boot_pgdir() succeeded!' \
  289. 'PDE(0e0) c0000000-f8000000 38000000 urw' \
  290. ' |-- PTE(38000) c0000000-f8000000 38000000 -rw' \
  291. 'PDE(001) fac00000-fb000000 00400000 -rw' \
  292. ' |-- PTE(000e0) faf00000-fafe0000 000e0000 urw' \
  293. ' |-- PTE(00001) fafeb000-fafec000 00001000 -rw' \
  294. 'check_vma_struct() succeeded!' \
  295. 'page fault at 0x00000100: K/W [no page found].' \
  296. 'check_pgfault() succeeded!' \
  297. 'check_vmm() succeeded.' \
  298. 'page fault at 0x00001000: K/W [no page found].' \
  299. 'page fault at 0x00002000: K/W [no page found].' \
  300. 'page fault at 0x00003000: K/W [no page found].' \
  301. 'page fault at 0x00004000: K/W [no page found].' \
  302. 'write Virt Page e in fifo_check_swap' \
  303. 'page fault at 0x00005000: K/W [no page found].' \
  304. 'page fault at 0x00001000: K/W [no page found]' \
  305. 'page fault at 0x00002000: K/W [no page found].' \
  306. 'page fault at 0x00003000: K/W [no page found].' \
  307. 'page fault at 0x00004000: K/W [no page found].' \
  308. 'check_swap() succeeded!' \
  309. '++ setup timer interrupts'
  310. }
  311. ## check now!!
  312. run_test -prog 'badsegment' -check default_check \
  313. 'kernel_execve: pid = 2, name = "badsegment".' \
  314. - 'trapframe at 0xc.......' \
  315. 'trap 0x0000000d General Protection' \
  316. ' err 0x00000028' \
  317. - ' eip 0x008.....' \
  318. - ' esp 0xaff.....' \
  319. ' cs 0x----001b' \
  320. ' ss 0x----0023' \
  321. ! - 'user panic at .*'
  322. run_test -prog 'divzero' -check default_check \
  323. 'kernel_execve: pid = 2, name = "divzero".' \
  324. - 'trapframe at 0xc.......' \
  325. 'trap 0x00000000 Divide error' \
  326. - ' eip 0x008.....' \
  327. - ' esp 0xaff.....' \
  328. ' cs 0x----001b' \
  329. ' ss 0x----0023' \
  330. ! - 'user panic at .*'
  331. run_test -prog 'softint' -check default_check \
  332. 'kernel_execve: pid = 2, name = "softint".' \
  333. - 'trapframe at 0xc.......' \
  334. 'trap 0x0000000d General Protection' \
  335. ' err 0x00000072' \
  336. - ' eip 0x008.....' \
  337. - ' esp 0xaff.....' \
  338. ' cs 0x----001b' \
  339. ' ss 0x----0023' \
  340. ! - 'user panic at .*'
  341. pts=10
  342. run_test -prog 'faultread' -check default_check \
  343. 'kernel_execve: pid = 2, name = "faultread".' \
  344. - 'trapframe at 0xc.......' \
  345. 'trap 0x0000000e Page Fault' \
  346. ' err 0x00000004' \
  347. - ' eip 0x008.....' \
  348. ! - 'user panic at .*'
  349. run_test -prog 'faultreadkernel' -check default_check \
  350. 'kernel_execve: pid = 2, name = "faultreadkernel".' \
  351. - 'trapframe at 0xc.......' \
  352. 'trap 0x0000000e Page Fault' \
  353. ' err 0x00000005' \
  354. - ' eip 0x008.....' \
  355. ! - 'user panic at .*'
  356. run_test -prog 'hello' -check default_check \
  357. 'kernel_execve: pid = 2, name = "hello".' \
  358. 'Hello world!!.' \
  359. 'I am process 2.' \
  360. 'hello pass.'
  361. run_test -prog 'testbss' -check default_check \
  362. 'kernel_execve: pid = 2, name = "testbss".' \
  363. 'Making sure bss works right...' \
  364. 'Yes, good. Now doing a wild write off the end...' \
  365. 'testbss may pass.' \
  366. - 'trapframe at 0xc.......' \
  367. 'trap 0x0000000e Page Fault' \
  368. ' err 0x00000006' \
  369. - ' eip 0x008.....' \
  370. 'killed by kernel.' \
  371. ! - 'user panic at .*'
  372. run_test -prog 'pgdir' -check default_check \
  373. 'kernel_execve: pid = 2, name = "pgdir".' \
  374. 'I am 2, print pgdir.' \
  375. 'PDE(001) 00800000-00c00000 00400000 urw' \
  376. ' |-- PTE(00002) 00800000-00802000 00002000 ur-' \
  377. ' |-- PTE(00001) 00802000-00803000 00001000 urw' \
  378. 'PDE(001) afc00000-b0000000 00400000 urw' \
  379. ' |-- PTE(00004) afffc000-b0000000 00004000 urw' \
  380. 'PDE(0e0) c0000000-f8000000 38000000 urw' \
  381. ' |-- PTE(38000) c0000000-f8000000 38000000 -rw' \
  382. 'pgdir pass.'
  383. run_test -prog 'yield' -check default_check \
  384. 'kernel_execve: pid = 2, name = "yield".' \
  385. 'Hello, I am process 2.' \
  386. 'Back in process 2, iteration 0.' \
  387. 'Back in process 2, iteration 1.' \
  388. 'Back in process 2, iteration 2.' \
  389. 'Back in process 2, iteration 3.' \
  390. 'Back in process 2, iteration 4.' \
  391. 'All done in process 2.' \
  392. 'yield pass.'
  393. run_test -prog 'badarg' -check default_check \
  394. 'kernel_execve: pid = 2, name = "badarg".' \
  395. 'fork ok.' \
  396. 'badarg pass.' \
  397. 'all user-mode processes have quit.' \
  398. 'init check memory pass.' \
  399. ! - 'user panic at .*'
  400. pts=10
  401. run_test -prog 'exit' -check default_check \
  402. 'kernel_execve: pid = 2, name = "exit".' \
  403. 'I am the parent. Forking the child...' \
  404. 'I am the parent, waiting now..' \
  405. 'I am the child.' \
  406. - 'waitpid [0-9]+ ok\.' \
  407. 'exit pass.' \
  408. 'all user-mode processes have quit.' \
  409. 'init check memory pass.' \
  410. ! - 'user panic at .*'
  411. run_test -prog 'spin' -check default_check \
  412. 'kernel_execve: pid = 2, name = "spin".' \
  413. 'I am the parent. Forking the child...' \
  414. 'I am the parent. Running the child...' \
  415. 'I am the child. spinning ...' \
  416. 'I am the parent. Killing the child...' \
  417. 'kill returns 0' \
  418. 'wait returns 0' \
  419. 'spin may pass.' \
  420. 'all user-mode processes have quit.' \
  421. 'init check memory pass.' \
  422. ! - 'user panic at .*'
  423. run_test -prog 'waitkill' -check default_check \
  424. 'kernel_execve: pid = 2, name = "waitkill".' \
  425. 'wait child 1.' \
  426. 'child 2.' \
  427. 'child 1.' \
  428. 'kill parent ok.' \
  429. 'kill child1 ok.' \
  430. 'all user-mode processes have quit.' \
  431. 'init check memory pass.' \
  432. ! - 'user panic at .*'
  433. pts=15
  434. run_test -prog 'forktest' -check default_check \
  435. 'kernel_execve: pid = 2, name = "forktest".' \
  436. 'I am child 31' \
  437. 'I am child 19' \
  438. 'I am child 13' \
  439. 'I am child 0' \
  440. 'forktest pass.' \
  441. 'all user-mode processes have quit.' \
  442. 'init check memory pass.' \
  443. ! - 'fork claimed to work [0-9]+ times!' \
  444. ! 'wait stopped early' \
  445. ! 'wait got too many' \
  446. ! - 'user panic at .*'
  447. pts=10
  448. run_test -prog 'forktree' -check default_check \
  449. 'kernel_execve: pid = 2, name = "forktree".' \
  450. - '....: I am '\'''\' \
  451. - '....: I am '\''0'\' \
  452. - '....: I am '\'''\' \
  453. - '....: I am '\''1'\' \
  454. - '....: I am '\''0'\' \
  455. - '....: I am '\''01'\' \
  456. - '....: I am '\''00'\' \
  457. - '....: I am '\''11'\' \
  458. - '....: I am '\''10'\' \
  459. - '....: I am '\''101'\' \
  460. - '....: I am '\''100'\' \
  461. - '....: I am '\''111'\' \
  462. - '....: I am '\''110'\' \
  463. - '....: I am '\''001'\' \
  464. - '....: I am '\''000'\' \
  465. - '....: I am '\''011'\' \
  466. - '....: I am '\''010'\' \
  467. - '....: I am '\''0101'\' \
  468. - '....: I am '\''0100'\' \
  469. - '....: I am '\''0111'\' \
  470. - '....: I am '\''0110'\' \
  471. - '....: I am '\''0001'\' \
  472. - '....: I am '\''0000'\' \
  473. - '....: I am '\''0011'\' \
  474. - '....: I am '\''0010'\' \
  475. - '....: I am '\''1101'\' \
  476. - '....: I am '\''1100'\' \
  477. - '....: I am '\''1111'\' \
  478. - '....: I am '\''1110'\' \
  479. - '....: I am '\''1001'\' \
  480. - '....: I am '\''1000'\' \
  481. - '....: I am '\''1011'\' \
  482. - '....: I am '\''1010'\' \
  483. 'all user-mode processes have quit.' \
  484. 'init check memory pass.'
  485. ## print final-score
  486. show_final