29 lines
1.1 KiB
Diff
29 lines
1.1 KiB
Diff
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diff -up libgcrypt-1.4.4/random/rndhw.c.padlock libgcrypt-1.4.4/random/rndhw.c
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--- libgcrypt-1.4.4/random/rndhw.c.padlock 2008-09-03 12:04:43.000000000 +0200
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+++ libgcrypt-1.4.4/random/rndhw.c 2009-06-17 20:11:42.000000000 +0200
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@@ -41,7 +41,7 @@ static size_t
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poll_padlock (void (*add)(const void*, size_t, enum random_origins),
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enum random_origins origin, int fast)
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{
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- char buffer[64+8] __attribute__ ((aligned (8)));
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+ volatile char buffer[64+8] __attribute__ ((aligned (8)));
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char *p;
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unsigned int nbytes, status;
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@@ -55,12 +55,11 @@ poll_padlock (void (*add)(const void*, s
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nbytes = 0;
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while (nbytes < 64)
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{
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- asm volatile
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+ asm volatile
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("movl %1, %%edi\n\t" /* Set buffer. */
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"xorl %%edx, %%edx\n\t" /* Request up to 8 bytes. */
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- ".byte 0x0f, 0xa7, 0xc0\n\t" /* XSTORE RNG. */
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- "movl %%eax, %0\n" /* Return the status. */
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- : "=g" (status)
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+ ".byte 0x0f, 0xa7, 0xc0\n" /* XSTORE RNG. */
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+ : "=a" (status)
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: "g" (p)
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: "%edx", "%edi", "cc"
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);
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