![James Hogan](/assets/img/avatar_default.png)
Add optimised library functions for metag. Signed-off-by: James Hogan <james.hogan@imgtec.com>
21 lines
456 B
ArmAsm
21 lines
456 B
ArmAsm
! Copyright 2007,2008 Imagination Technologies Ltd.
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#include <asm/page.h>
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.text
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.global _copy_page
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.type _copy_page,function
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!! D1Ar1 - to
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!! D0Ar2 - from
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_copy_page:
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MOV D0FrT,#PAGE_SIZE
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$Lcopy_page_loop:
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GETL D0Re0,D1Re0,[D0Ar2++]
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GETL D0Ar6,D1Ar5,[D0Ar2++]
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SETL [D1Ar1++],D0Re0,D1Re0
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SETL [D1Ar1++],D0Ar6,D1Ar5
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SUBS D0FrT,D0FrT,#16
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BNZ $Lcopy_page_loop
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MOV PC,D1RtP
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.size _copy_page,.-_copy_page
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