sync comments.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6274 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -36,7 +36,7 @@
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#------------------------------------------------------------------------------
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ASM_PFX(InternalX86EnablePaging64):
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cli
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movl $LongStart, (%esp)
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movl $LongStart, (%esp) # offset for far retf, seg is the 1st arg
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movl %cr4, %eax
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orb $0x20, %al
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movl %eax, %cr4 # enable PAE
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@@ -45,11 +45,11 @@ ASM_PFX(InternalX86EnablePaging64):
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orb $1, %ah # set LME
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wrmsr
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movl %cr0, %eax
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btsl $31, %eax
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btsl $31, %eax # set PG
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movl %eax, %cr0 # enable paging
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lret
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lret # topmost 2 dwords hold the address
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LongStart: # long mode starts here
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.byte 0x67, 0x48
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.byte 0x67, 0x48 # 32-bit address size, 64-bit operand size
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movl (%esp), %ebx # mov rbx, [esp]
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.byte 0x67, 0x48
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movl 8(%esp), %ecx # mov rcx, [esp + 8]
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@@ -58,6 +58,6 @@ LongStart: # long mode starts here
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.byte 0x67, 0x48
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movl 0x18(%esp), %esp # mov rsp, [esp + 18h]
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.byte 0x48
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addl $0x-0x20, %esp # add rsp, -20h
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addl $0x-0x20, %esp # add rsp, -20h
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call *%ebx # call rbx
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jmp .
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jmp . # no one should get here
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