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.globl __entry
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.globl __entry
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## User-space task entry point
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## User-space task entry point
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#
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#
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# %ebx contains the PCB pointer
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#
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#
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__entry:
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__entry:
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	mov %ss, %ax
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	mov %ss, %ax
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	mov %ax, %ds
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	mov %ax, %ds
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	mov %ax, %es
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	mov %ax, %es
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	mov %ax, %fs
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	mov %ax, %fs
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	# Do not set %gs, it contains descriptor that can see TLS
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	# Do not set %gs, it contains descriptor that can see TLS
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	# Pass the PCB pointer to __main as the first argument
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	pushl %ebx
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	call __main
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	call __main
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	call main
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	call __exit
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	call __exit