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mingw64-openssl
openssl-1.0.2a-padlock64.patch
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File openssl-1.0.2a-padlock64.patch of Package mingw64-openssl
diff -up openssl-1.0.2a/engines/e_padlock.c.padlock64 openssl-1.0.2a/engines/e_padlock.c --- openssl-1.0.2a/engines/e_padlock.c.padlock64 2015-03-19 14:19:00.000000000 +0100 +++ openssl-1.0.2a/engines/e_padlock.c 2015-04-22 16:23:44.105617468 +0200 @@ -101,7 +101,10 @@ */ # undef COMPILE_HW_PADLOCK # if !defined(I386_ONLY) && !defined(OPENSSL_NO_INLINE_ASM) -# if (defined(__GNUC__) && (defined(__i386__) || defined(__i386))) || \ +# if (defined(__GNUC__) && __GNUC__>=2 && \ + (defined(__i386__) || defined(__i386) || \ + defined(__x86_64__) || defined(__x86_64)) \ + ) || \ (defined(_MSC_VER) && defined(_M_IX86)) # define COMPILE_HW_PADLOCK # endif @@ -140,7 +143,7 @@ void ENGINE_load_padlock(void) # endif # elif defined(__GNUC__) # ifndef alloca -# define alloca(s) __builtin_alloca(s) +# define alloca(s) __builtin_alloca((s)) # endif # endif @@ -303,6 +306,7 @@ static volatile struct padlock_cipher_da * ======================================================= */ # if defined(__GNUC__) && __GNUC__>=2 +# if defined(__i386__) || defined(__i386) /* * As for excessive "push %ebx"/"pop %ebx" found all over. * When generating position-independent code GCC won't let @@ -379,22 +383,6 @@ static int padlock_available(void) return padlock_use_ace + padlock_use_rng; } -# ifndef OPENSSL_NO_AES -# ifndef AES_ASM -/* Our own htonl()/ntohl() */ -static inline void padlock_bswapl(AES_KEY *ks) -{ - size_t i = sizeof(ks->rd_key) / sizeof(ks->rd_key[0]); - unsigned int *key = ks->rd_key; - - while (i--) { - asm volatile ("bswapl %0":"+r" (*key)); - key++; - } -} -# endif -# endif - /* * Force key reload from memory to the CPU microcode. Loading EFLAGS from the * stack clears EFLAGS[30] which does the trick. @@ -404,7 +392,7 @@ static inline void padlock_reload_key(vo asm volatile ("pushfl; popfl"); } -# ifndef OPENSSL_NO_AES +# ifndef OPENSSL_NO_AES /* * This is heuristic key context tracing. At first one * believes that one should use atomic swap instructions, @@ -448,6 +436,101 @@ static inline void *name(size_t cnt, : "edx", "cc", "memory"); \ return iv; \ } +# endif + +# elif defined(__x86_64__) || defined(__x86_64) + +/* Load supported features of the CPU to see if + the PadLock is available. */ +static int padlock_available(void) +{ + char vendor_string[16]; + unsigned int eax, edx; + + /* Are we running on the Centaur (VIA) CPU? */ + eax = 0x00000000; + vendor_string[12] = 0; + asm volatile ("cpuid\n" + "movl %%ebx,(%1)\n" + "movl %%edx,4(%1)\n" + "movl %%ecx,8(%1)\n":"+a" (eax):"r"(vendor_string):"rbx", + "rcx", "rdx"); + if (strcmp(vendor_string, "CentaurHauls") != 0) + return 0; + + /* Check for Centaur Extended Feature Flags presence */ + eax = 0xC0000000; + asm volatile ("cpuid":"+a" (eax)::"rbx", "rcx", "rdx"); + if (eax < 0xC0000001) + return 0; + + /* Read the Centaur Extended Feature Flags */ + eax = 0xC0000001; + asm volatile ("cpuid":"+a" (eax), "=d"(edx)::"rbx", "rcx"); + + /* Fill up some flags */ + padlock_use_ace = ((edx & (0x3 << 6)) == (0x3 << 6)); + padlock_use_rng = ((edx & (0x3 << 2)) == (0x3 << 2)); + + return padlock_use_ace + padlock_use_rng; +} + +/* Force key reload from memory to the CPU microcode. + Loading EFLAGS from the stack clears EFLAGS[30] + which does the trick. */ +static inline void padlock_reload_key(void) +{ + asm volatile ("pushfq; popfq"); +} + +# ifndef OPENSSL_NO_AES +/* + * This is heuristic key context tracing. At first one + * believes that one should use atomic swap instructions, + * but it's not actually necessary. Point is that if + * padlock_saved_context was changed by another thread + * after we've read it and before we compare it with cdata, + * our key *shall* be reloaded upon thread context switch + * and we are therefore set in either case... + */ +static inline void padlock_verify_context(struct padlock_cipher_data *cdata) +{ + asm volatile ("pushfq\n" + " btl $30,(%%rsp)\n" + " jnc 1f\n" + " cmpq %2,%1\n" + " je 1f\n" + " popfq\n" + " subq $8,%%rsp\n" + "1: addq $8,%%rsp\n" + " movq %2,%0":"+m" (padlock_saved_context) + :"r"(padlock_saved_context), "r"(cdata):"cc"); +} + +/* Template for padlock_xcrypt_* modes */ +/* BIG FAT WARNING: + * The offsets used with 'leal' instructions + * describe items of the 'padlock_cipher_data' + * structure. + */ +# define PADLOCK_XCRYPT_ASM(name,rep_xcrypt) \ +static inline void *name(size_t cnt, \ + struct padlock_cipher_data *cdata, \ + void *out, const void *inp) \ +{ void *iv; \ + asm volatile ( "leaq 16(%0),%%rdx\n" \ + " leaq 32(%0),%%rbx\n" \ + rep_xcrypt "\n" \ + : "=a"(iv), "=c"(cnt), "=D"(out), "=S"(inp) \ + : "0"(cdata), "1"(cnt), "2"(out), "3"(inp) \ + : "rbx", "rdx", "cc", "memory"); \ + return iv; \ +} +# endif + +# endif /* cpu */ + +# ifndef OPENSSL_NO_AES /* Generate all functions with appropriate opcodes */ /* rep xcryptecb */ @@ -458,6 +541,20 @@ PADLOCK_XCRYPT_ASM(padlock_xcrypt_ecb, " PADLOCK_XCRYPT_ASM(padlock_xcrypt_cfb, ".byte 0xf3,0x0f,0xa7,0xe0") /* rep xcryptofb */ PADLOCK_XCRYPT_ASM(padlock_xcrypt_ofb, ".byte 0xf3,0x0f,0xa7,0xe8") + +# ifndef AES_ASM +/* Our own htonl()/ntohl() */ +static inline void padlock_bswapl(AES_KEY *ks) +{ + size_t i = sizeof(ks->rd_key) / sizeof(ks->rd_key[0]); + unsigned int *key = ks->rd_key; + + while (i--) { + asm volatile ("bswapl %0":"+r" (*key)); + key++; + } +} +# endif # endif /* The RNG call itself */ static inline unsigned int padlock_xstore(void *addr, unsigned int edx_in) @@ -485,8 +582,8 @@ static inline unsigned int padlock_xstor static inline unsigned char *padlock_memcpy(void *dst, const void *src, size_t n) { - long *d = dst; - const long *s = src; + size_t *d = dst; + const size_t *s = src; n /= sizeof(*d); do {
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