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.text
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.text
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.global context_save
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.global context_save
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.global context_restore
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.global context_restore
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.global fpu_context_save
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.global fpu_context_restore
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.global fpu_lazy_context_save
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.global fpu_lazy_context_restore
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#
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#
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# save context of this CPU
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# save context of this CPU
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context_save:
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context_save:
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	push %ebx
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	push %ebx
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	movl %eax,(%esp)	# ctx->pc -> saver's return %eip
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	movl %eax,(%esp)	# ctx->pc -> saver's return %eip
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        xorl %eax,%eax		# context_restore returns 0
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        xorl %eax,%eax		# context_restore returns 0
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	ret
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	ret
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.global fpu_context_save
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fpu_context_save:
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fpu_context_save:
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        ret
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        ret
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.global fpu_context_restore
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fpu_context_restore:
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fpu_context_restore:
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        ret
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        ret
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.global fpu_lazy_context_save
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fpu_lazy_context_save:
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fpu_lazy_context_save:
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	pushl %eax
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        mov 4(%esp),%eax;
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        mov 8(%esp),%eax
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        fxsave (%eax)
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        fxsave (%eax)
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        xor %eax,%eax;
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        popl %eax
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        ret;
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        ret
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.global fpu_lazy_context_restore
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fpu_lazy_context_restore:
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fpu_lazy_context_restore:
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	pushl %eax
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        mov 4(%esp),%eax;
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        mov 8(%esp),%eax
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        fxrstor (%eax)
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        fxrstor (%eax)
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        xor %eax,%eax;
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        popl %eax
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       ret;
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        ret
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