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authorMole Shang <135e2@135e2.dev>2024-02-17 11:55:33 +0800
committerMole Shang <135e2@135e2.dev>2024-02-17 12:22:07 +0800
commite8e0a7b4c97064eb5e9415726d7e38aaceccd3fd (patch)
treefb42ba5be7a8ae608b968266f62fd71fa889a89d /answers-syscall.txt
parenta6af72924b115c1177d18d9b1eaba56623e4248b (diff)
parentd85aec2689c4250d0384904bdc11aa618c726bec (diff)
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Merge branch 'thread' into fs
Conflicts: .gitignore Makefile conf/lab.mk kernel/param.h
Diffstat (limited to 'answers-syscall.txt')
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1 files changed, 9 insertions, 0 deletions
diff --git a/answers-syscall.txt b/answers-syscall.txt
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@@ -0,0 +1,9 @@
+usertrap()
+7
+SYS_exec
+user mode
+lw a3,0(zero)
+a3
+no
+yes, `scause` 0xd -> interrupt = 0, exception code = 13 -> instruction page fault (riscv-priviledged p71)
+'initcode', 1