diff options
Diffstat (limited to 'system/openssl/1002-backport-changes-from-upstream-padlock-module.patch')
| -rw-r--r-- | system/openssl/1002-backport-changes-from-upstream-padlock-module.patch | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/system/openssl/1002-backport-changes-from-upstream-padlock-module.patch b/system/openssl/1002-backport-changes-from-upstream-padlock-module.patch deleted file mode 100644 index f63bbcd1c..000000000 --- a/system/openssl/1002-backport-changes-from-upstream-padlock-module.patch +++ /dev/null @@ -1,200 +0,0 @@ -From ba17588a940ee712c3ef6d458adb1087f0c84521 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Timo=20Ter=C3=A4s?= <timo.teras@iki.fi> -Date: Thu, 5 Feb 2015 09:28:10 +0200 -Subject: [PATCH] backport changes from upstream padlock module. -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Includes support for VIA Nano 64-bit mode. - -Signed-off-by: Timo Teräs <timo.teras@iki.fi> ---- - engines/e_padlock.c | 142 +++++++++++++++++++++++++++++++++++++++++++++------- - 1 file changed, 125 insertions(+), 17 deletions(-) - -diff --git a/engines/e_padlock.c b/engines/e_padlock.c -index 2898e4c..94406cb 100644 ---- a/engines/e_padlock.c -+++ b/engines/e_padlock.c -@@ -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 -@@ -303,6 +306,7 @@ static volatile struct padlock_cipher_data *padlock_saved_context; - * ======================================================= - */ - # 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. -@@ -448,6 +436,110 @@ 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 */ -@@ -458,7 +550,23 @@ PADLOCK_XCRYPT_ASM(padlock_xcrypt_ecb, ".byte 0xf3,0x0f,0xa7,0xc8") - 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) - { --- -2.2.2 - |