Merge branch 'cow' into net

Conflicts:
	.gitignore
	Makefile
	conf/lab.mk
	kernel/defs.h
	kernel/syscall.c
	kernel/vm.c
	user/pingpong.c
	user/user.h
	user/usys.pl

1 files changed, 79 insertions, 0 deletions

diff --git a/grade-lab-pgtbl b/grade-lab-pgtbl
new file mode 100755
index 0000000..121bb3b
--- /dev/null
+++ b/grade-lab-pgtbl
@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+
+import re
+from gradelib import *
+
+r = Runner(save("xv6.out"))
+
+PTE_PRINT = """page table 0x0000000087f6b000
+ ..0: pte 0x0000000021fd9c01 pa 0x0000000087f67000
+ .. ..0: pte 0x0000000021fd9801 pa 0x0000000087f66000
+ .. .. ..0: pte 0x0000000021fda01b pa 0x0000000087f68000
+ .. .. ..1: pte 0x0000000021fd9417 pa 0x0000000087f65000
+ .. .. ..2: pte 0x0000000021fd9007 pa 0x0000000087f64000
+ .. .. ..3: pte 0x0000000021fd8c17 pa 0x0000000087f63000
+ ..255: pte 0x0000000021fda801 pa 0x0000000087f6a000
+ .. ..511: pte 0x0000000021fda401 pa 0x0000000087f69000
+ .. .. ..509: pte 0x0000000021fdcc13 pa 0x0000000087f73000
+ .. .. ..510: pte 0x0000000021fdd007 pa 0x0000000087f74000
+ .. .. ..511: pte 0x0000000020001c0b pa 0x0000000080007000"""
+
+VAL_RE = "(0x00000000[0-9a-f]+)"
+INDENT_RE = r"\s*\.\.\s*"
+INDENT_ESC = "\\\s*\.\.\\\s*"
+
+@test(0, "pgtbltest")
+def test_pgtbltest():
+    r.run_qemu(shell_script([
+        'pgtbltest'
+    ]), timeout=300)
+
+@test(10, "pgtbltest: ugetpid", parent=test_pgtbltest)
+def test_nettest_():
+    r.match('^ugetpid_test: OK$')
+
+@test(10, "pgtbltest: pgaccess", parent=test_pgtbltest)
+def test_nettest_():
+    r.match('^pgaccess_test: OK$')
+
+@test(10, "pte printout")
+def test_pteprint():
+    first = True
+    r.run_qemu(shell_script([
+        'echo hi'
+    ]))
+    r.match('^hi')
+    p = re.compile(VAL_RE)
+    d = re.compile(INDENT_RE)
+    for l in PTE_PRINT.splitlines():
+        l = d.sub(INDENT_ESC, l)
+        l = p.sub(VAL_RE, l)
+        r.match(r'^{}$'.format(l))
+        if first:
+            first = False
+        else:
+            matches = re.findall(r'^{}$'.format(l), r.qemu.output, re.MULTILINE)
+            assert_equal(len(matches[0]), 2)
+            pa = (int(matches[0][0], 16) >> 10) << 12
+            assert_equal(int(matches[0][1], 16), pa)
+
+@test(5, "answers-pgtbl.txt")
+def test_answers():
+    # just a simple sanity check, will be graded manually
+    check_answers("answers-pgtbl.txt")
+
+@test(0, "usertests")
+def test_usertests():
+    r.run_qemu(shell_script([
+        'usertests -q'
+    ]), timeout=300)
+
+@test(10, "usertests: all tests", parent=test_usertests)
+def test_usertests():
+    r.match('^ALL TESTS PASSED$')
+
+@test(1, "time")
+def test_time():
+    check_time()
+
+run_tests()