#include <xen/config.h>
#include <asm/page.h>

#ifdef __i386__
#define src_reg %esi
#define dst_reg %edi
#define WORD_SIZE 4
#define tmp1_reg %eax
#define tmp2_reg %edx
#define tmp3_reg %ebx
#define tmp4_reg %ebp
#else
#define src_reg %rsi
#define dst_reg %rdi
#define WORD_SIZE 8
#define tmp1_reg %r8
#define tmp2_reg %r9
#define tmp3_reg %r10
#define tmp4_reg %r11
#endif

ENTRY(copy_page_sse2)
#ifdef __i386__
        push    %ebx
        push    %ebp
        push    %esi
        push    %edi
        mov     6*4(%esp), src_reg
        mov     5*4(%esp), dst_reg
#endif
        mov     $PAGE_SIZE/(4*WORD_SIZE)-3, %ecx

        prefetchnta 2*4*WORD_SIZE(src_reg)
        mov     (src_reg), tmp1_reg
        mov     WORD_SIZE(src_reg), tmp2_reg
        mov     2*WORD_SIZE(src_reg), tmp3_reg
        mov     3*WORD_SIZE(src_reg), tmp4_reg

0:      prefetchnta 3*4*WORD_SIZE(src_reg)
1:      add     $4*WORD_SIZE, src_reg
        movnti  tmp1_reg, (dst_reg)
        mov     (src_reg), tmp1_reg
        dec     %ecx
        movnti  tmp2_reg, WORD_SIZE(dst_reg)
        mov     WORD_SIZE(src_reg), tmp2_reg
        movnti  tmp3_reg, 2*WORD_SIZE(dst_reg)
        mov     2*WORD_SIZE(src_reg), tmp3_reg
        movnti  tmp4_reg, 3*WORD_SIZE(dst_reg)
        lea     4*WORD_SIZE(dst_reg), dst_reg
        mov     3*WORD_SIZE(src_reg), tmp4_reg
        jg      0b
        jpe     1b

        movnti  tmp1_reg, (dst_reg)
        movnti  tmp2_reg, WORD_SIZE(dst_reg)
        movnti  tmp3_reg, 2*WORD_SIZE(dst_reg)
        movnti  tmp4_reg, 3*WORD_SIZE(dst_reg)

#ifdef __i386__
        pop     %edi
        pop     %esi
        pop     %ebp
        pop     %ebx
#endif
        sfence
        ret
yptography/tree/src/_cffi_src/hazmat_src/padding.h?id=6654329097ad35e451453f14391c04e44c1d060e'>tree</a><a href='/cgit.cgi/cloud-email/cryptography/commit/src/_cffi_src/hazmat_src/padding.h?id=6654329097ad35e451453f14391c04e44c1d060e'>commit</a><a href='/cgit.cgi/cloud-email/cryptography/diff/src/_cffi_src/hazmat_src/padding.h?id=6654329097ad35e451453f14391c04e44c1d060e'>diff</a><a href='/cgit.cgi/cloud-email/cryptography/stats/src/_cffi_src/hazmat_src/padding.h'>stats</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/cloud-email/cryptography/log/src/_cffi_src/hazmat_src/padding.h'>
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<table summary='blob content' class='blob'>
<tr><td class='linenumbers'><pre><a id='n1' href='#n1'>1</a>
<a id='n2' href='#n2'>2</a>
<a id='n3' href='#n3'>3</a>
<a id='n4' href='#n4'>4</a>
<a id='n5' href='#n5'>5</a>
<a id='n6' href='#n6'>6</a>
</pre></td>
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<span class="c1">// 2.0, and the BSD License. See the LICENSE file in the root of this</span>
<span class="c1">// repository for complete details.</span>

<span class="kt">uint8_t</span> <span class="nf">Cryptography_check_pkcs7_padding</span><span class="p">(</span><span class="k">const</span> <span class="kt">uint8_t</span> <span class="o">*</span><span class="p">,</span> <span class="kt">uint8_t</span><span class="p">);</span>
<span class="kt">uint8_t</span> <span class="nf">Cryptography_check_ansix923_padding</span><span class="p">(</span><span class="k">const</span> <span class="kt">uint8_t</span> <span class="o">*</span><span class="p">,</span> <span class="kt">uint8_t</span><span class="p">);</span>
</pre></div>
</code></pre></td></tr></table>
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