运行问题

[ghost]

【环境】
AMD64 的 win 10 WSL Ubuntu 18.04

【现象】
执行 cd ~/oslab/linux-0.11 && make ：
tony@LAPTOP-4GEHEVKJ:~/oslab/linux-0.11$ make
as86 -0 -a -o boot/bootsect.o boot/bootsect.s
ld86 -0 -s -o boot/bootsect boot/bootsect.o
as86 -0 -a -o boot/setup.o boot/setup.s
ld86 -0 -s -o boot/setup boot/setup.o
gcc-3.4 -m32 -g -I./include -traditional -c boot/head.s
mv head.o boot/
gcc-3.4 -march=i386 -m32 -g -Wall -O2 -fomit-frame-pointer
-nostdinc -Iinclude -c -o init/main.o init/main.c
init/main.c:23: warning: static declaration of 'fork' follows non-static declaration
include/unistd.h:210: warning: previous declaration of 'fork' was here
init/main.c:24: warning: static declaration of 'pause' follows non-static declaration
include/unistd.h:224: warning: previous declaration of 'pause' was here
init/main.c:26: warning: static declaration of 'sync' follows non-static declaration
include/unistd.h:235: warning: previous declaration of 'sync' was here
init/main.c:105: warning: return type of 'main' is not int' (cd kernel; make) make[1]: Entering directory '/home/tony/oslab/linux-0.11/kernel' gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include \ -c -o sched.o sched.c as --32 -o system_call.o system_call.s system_call.s: Assembler messages: system_call.s:94: Warning: indirect call without '
gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include
-c -o traps.o traps.c
In file included from traps.c:13:
../include/string.h:129: warning: conflicting types for built-in function 'strchr'
../include/string.h:146: warning: conflicting types for built-in function 'strrchr'
../include/string.h:401: warning: conflicting types for built-in function 'memset'
as --32 -o asm.o asm.s
gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include
-c -o fork.o fork.c
gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include
-c -o panic.o panic.c
gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include
-c -o printk.o printk.c
gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include
-c -o vsprintf.o vsprintf.c
In file included from vsprintf.c:13:
../include/string.h:129: warning: conflicting types for built-in function 'strchr'
../include/string.h:146: warning: conflicting types for built-in function 'strrchr'
../include/string.h:401: warning: conflicting types for built-in function 'memset'
gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include
-c -o sys.o sys.c
gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include
-c -o exit.o exit.c
gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include
-c -o signal.o signal.c
gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include
-c -o mktime.o mktime.c
ld -m elf_i386 -r -o kernel.o sched.o system_call.o traps.o asm.o fork.o panic.o printk.o vsprintf.o sys.o exit.o signal.o mktime.o
sync
make[1]: Leaving directory '/home/tony/oslab/linux-0.11/kernel'
(cd mm; make)
make[1]: Entering directory '/home/tony/oslab/linux-0.11/mm'
gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include
-c -o memory.o memory.c
as --32 -o page.o page.s
ld -m elf_i386 -r -o mm.o memory.o page.o
make[1]: Leaving directory '/home/tony/oslab/linux-0.11/mm'
(cd fs; make)
make[1]: Entering directory '/home/tony/oslab/linux-0.11/fs'
gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include
-c -o open.o open.c
gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include
-c -o read_write.o read_write.c
gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include
-c -o inode.o inode.c
In file included from inode.c:7:
../include/string.h:129: warning: conflicting types for built-in function 'strchr'
../include/string.h:146: warning: conflicting types for built-in function 'strrchr'
../include/string.h:401: warning: conflicting types for built-in function 'memset'
gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include
-c -o file_table.o file_table.c
gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include
-c -o buffer.o buffer.c
gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include
-c -o super.o super.c
gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include
-c -o block_dev.o block_dev.c
gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include
-c -o char_dev.o char_dev.c
gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include
-c -o file_dev.o file_dev.c
gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include
-c -o stat.o stat.c
gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include
-c -o exec.o exec.c
In file included from exec.c:21:
../include/string.h:129: warning: conflicting types for built-in function 'strchr'
../include/string.h:146: warning: conflicting types for built-in function 'strrchr'
../include/string.h:401: warning: conflicting types for built-in function 'memset'
exec.c: In function copy_strings': exec.c:140: warning: use of cast expressions as lvalues is deprecated gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include \ -c -o pipe.o pipe.c gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include \ -c -o namei.o namei.c In file included from namei.c:15: ../include/string.h:129: warning: conflicting types for built-in function 'strchr' ../include/string.h:146: warning: conflicting types for built-in function 'strrchr' ../include/string.h:401: warning: conflicting types for built-in function 'memset' gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include \ -c -o bitmap.o bitmap.c In file included from bitmap.c:8: ../include/string.h:129: warning: conflicting types for built-in function 'strchr' ../include/string.h:146: warning: conflicting types for built-in function 'strrchr' ../include/string.h:401: warning: conflicting types for built-in function 'memset' gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include \ -c -o fcntl.o fcntl.c gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include \ -c -o ioctl.o ioctl.c gcc-3.4 -march=i386 -m32 -g -Wall -fstrength-reduce -fomit-frame-pointer -nostdinc -I../include \ -c -o truncate.o truncate.c ld -m elf_i386 -r -o fs.o open.o read_write.o inode.o file_table.o buffer.o super.o block_dev.o char_dev.o file_dev.o stat.o exec.o pipe.o namei.o bitmap.o fcntl.o ioctl.o truncate.o make[1]: Leaving directory '/home/tony/oslab/linux-0.11/fs' (cd kernel/blk_drv; make) make[1]: Entering directory '/home/tony/oslab/linux-0.11/kernel/blk_drv' gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../../include \ -c -o ll_rw_blk.o ll_rw_blk.c gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../../include \ -c -o floppy.o floppy.c gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../../include \ -c -o hd.o hd.c gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../../include \ -c -o ramdisk.o ramdisk.c In file included from ramdisk.c:7: ../../include/string.h:129: warning: conflicting types for built-in function 'strchr' ../../include/string.h:146: warning: conflicting types for built-in function 'strrchr' ../../include/string.h:401: warning: conflicting types for built-in function 'memset' ar rcs blk_drv.a ll_rw_blk.o floppy.o hd.o ramdisk.o sync make[1]: Leaving directory '/home/tony/oslab/linux-0.11/kernel/blk_drv' (cd kernel/chr_drv; make) make[1]: Entering directory '/home/tony/oslab/linux-0.11/kernel/chr_drv' gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../../include \ -c -o tty_io.o tty_io.c tty_io.c: In function copy_to_cooked':
tty_io.c:160: warning: subscript has type char' tty_io.c: In function tty_write':
tty_io.c:316: warning: subscript has type char' gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../../include \ -c -o console.o console.c gcc-3.4 -m32 -g -E -nostdinc -I../../include -traditional keyboard.S -o keyboard.s as --32 -o keyboard.o keyboard.s keyboard.S: Assembler messages: keyboard.S:53: Warning: indirect call without '
gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../../include
-c -o serial.o serial.c
as --32 -o rs_io.o rs_io.s
rs_io.s: Assembler messages:
rs_io.s:65: Warning: indirect call without *' gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../../include \ -c -o tty_ioctl.o tty_ioctl.c ar rcs chr_drv.a tty_io.o console.o keyboard.o serial.o rs_io.o tty_ioctl.o sync make[1]: Leaving directory '/home/tony/oslab/linux-0.11/kernel/chr_drv' (cd kernel/math; make) make[1]: Entering directory '/home/tony/oslab/linux-0.11/kernel/math' gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../../include \ -c -o math_emulate.o math_emulate.c ar rcs math.a math_emulate.o sync make[1]: Leaving directory '/home/tony/oslab/linux-0.11/kernel/math' (cd lib; make) make[1]: Entering directory '/home/tony/oslab/linux-0.11/lib' gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include \ -c -o ctype.o ctype.c gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include \ -c -o _exit.o _exit.c _exit.c: In function _exit':
_exit.c:13: warning: noreturn' function does return gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include \ -c -o open.o open.c gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include \ -c -o close.o close.c gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include \ -c -o errno.o errno.c gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include \ -c -o write.o write.c gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include \ -c -o dup.o dup.c gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include \ -c -o setsid.o setsid.c gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include \ -c -o execve.o execve.c gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include \ -c -o wait.o wait.c gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include \ -c -o string.o string.c In file included from string.c:14: ../include/string.h:129: warning: conflicting types for built-in function 'strchr' ../include/string.h:146: warning: conflicting types for built-in function 'strrchr' ../include/string.h:401: warning: conflicting types for built-in function 'memset' ../include/string.h:39: warning: 'strncpy' defined but not used ../include/string.h:69: warning: 'strncat' defined but not used ../include/string.h:108: warning: 'strncmp' defined but not used ../include/string.h:129: warning: 'strchr' defined but not used ../include/string.h:146: warning: 'strrchr' defined but not used ../include/string.h:369: warning: 'memcmp' defined but not used ../include/string.h:401: warning: 'memset' defined but not used gcc-3.4 -march=i386 -m32 -g -Wall -O -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc -I../include \ -c -o malloc.o malloc.c malloc.c: In function malloc':
malloc.c:156: warning: use of cast expressions as lvalues is deprecated
ar rcs lib.a ctype.o _exit.o open.o close.o errno.o write.o dup.o setsid.o execve.o wait.o string.o malloc.o
sync
make[1]: Leaving directory '/home/tony/oslab/linux-0.11/lib'
ld -m elf_i386 -Ttext 0 -e startup_32 boot/head.o init/main.o
kernel/kernel.o mm/mm.o fs/fs.o
kernel/blk_drv/blk_drv.a kernel/chr_drv/chr_drv.a
kernel/math/math.a
lib/lib.a
-o tools/system
nm tools/system | grep -v '(compiled)|(.o$)|( [aU] )|(..ng$)|(LASH[RL]DI)'| sort > System.map
gcc -m32 -g -Wall -O2 -fomit-frame-pointer
-o tools/build tools/build.c
cp -f tools/system system.tmp
strip system.tmp
objcopy -O binary -R .note -R .comment system.tmp tools/kernel
tools/build boot/bootsect boot/setup tools/kernel > Image
/bin/sh: 1: tools/build: Exec format error
Makefile:42: recipe for target 'Image' failed
make: *** [Image] Error 2

[ghost]

执行 ./run：
tony@LAPTOP-4GEHEVKJ:~/oslab$ ./run
./run: 27: ./run: ./bochs/bochs-gdb: Exec format error

[ghost]

这是因为 WSL 原生不支持 32-bit executable，按照这里的方法解决。