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.global paging_on
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.global paging_on
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.global enable_l_apic_in_msr
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.global enable_l_apic_in_msr
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.global interrupt_handlers
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.global interrupt_handlers
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.global memsetb
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.global memsetb
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.global memsetw
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.global memsetw
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.global memcmp
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## Turn paging on
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## Turn paging on
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#
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#
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# Enable paging and write-back caching in CR0.
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# Enable paging and write-back caching in CR0.
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#
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#
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	pop %eax
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	pop %eax
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	ret
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	ret
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## Compare memory regions for equality
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#
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# Compare a given number of bytes (3rd argument)
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# at memory locations defined by 1st and 2nd argument
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# for equality. If the bytes are equal, EAX contains 0.
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#
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SRC=12
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DST=16
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CNT=20
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memcmp:
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	push %esi
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	push %edi
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	movl CNT(%esp),%ecx
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	movl DST(%esp),%edi
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	movl SRC(%esp),%esi
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	repe cmpsb %es:(%edi),%ds:(%esi)
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	movl %ecx,%eax		# %ecx contains the return value (zero on success)
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	pop %edi
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	pop %esi
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	ret
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# THIS IS USERSPACE CODE
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# THIS IS USERSPACE CODE
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.global utext
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.global utext
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utext:
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utext:
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	xor %ax,%ax
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	xor %ax,%ax
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	mov %ax,%ds
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	mov %ax,%ds