* cc_config.h
* corecrypto
*
- * Created by Michael Brouwer on 10/18/10.
- * Copyright 2010,2011 Apple Inc. All rights reserved.
+ * Created on 11/16/2010
+ *
+ * Copyright (c) 2010,2011,2012,2013,2014,2015 Apple Inc. All rights reserved.
*
*/
+
#ifndef _CORECRYPTO_CC_CONFIG_H_
#define _CORECRYPTO_CC_CONFIG_H_
+/* A word about configuration macros:
+
+ Conditional configuration macros specific to corecrypto should be named CORECRYPTO_xxx
+ or CCxx_yyy and be defined to be either 0 or 1 in this file. You can add an
+ #ifndef #error construct at the end of this file to make sure it's always defined.
+
+ They should always be tested using the #if directive, never the #ifdef directive.
+
+ No other conditional macros shall ever be used (except in this file)
+
+ Configuration Macros that are defined outside of corecrypto (eg: KERNEL, DEBUG, ...)
+ shall only be used in this file to define CCxxx macros.
+
+ External macros should be assumed to be either undefined, defined with no value,
+ or defined as true or false. We shall strive to build with -Wundef whenever possible,
+ so the following construct should be used to test external macros in this file:
+
+ #if defined(DEBUG) && (DEBUG)
+ #define CORECRYPTO_DEBUG 1
+ #else
+ #define CORECRYPTO_DEBUG 0
+ #endif
+
+
+ It is acceptable to define a conditional CC_xxxx macro in an implementation file,
+ to be used only in this file.
+
+ The current code is not guaranteed to follow those rules, but should be fixed to.
+
+ Corecrypto requires GNU and C99 compatibility.
+ Typically enabled by passing --gnu --c99 to the compiler (eg. armcc)
+
+*/
+
+#if (defined(DEBUG) && (DEBUG))
+/* CC_DEBUG is already used in CommonCrypto */
+#define CORECRYPTO_DEBUG 1
+#else
+#define CORECRYPTO_DEBUG 0
+#endif
+
+#if defined(KERNEL) && (KERNEL)
+#define CC_KERNEL 1 // KEXT, XNU repo or kernel components such as AppleKeyStore
+#else
+#define CC_KERNEL 0
+#endif
+
+// LINUX_BUILD_TEST is for sanity check of the configuration
+// > xcodebuild -scheme "corecrypto_test" OTHER_CFLAGS="$(values) -DLINUX_BUILD_TEST"
+#if defined(__linux__) || defined(LINUX_BUILD_TEST)
+#define CC_LINUX 1
+#else
+#define CC_LINUX 0
+#endif
+
+#if defined(USE_L4) && (USE_L4)
+#define CC_USE_L4 1
+#else
+#define CC_USE_L4 0
+#endif
+
+#if defined(USE_SEPROM) && (USE_SEPROM)
+#define CC_USE_SEPROM 1
+#else
+#define CC_USE_SEPROM 0
+#endif
+
+#if defined(USE_S3) && (USE_S3)
+#define CC_USE_S3 1
+#else
+#define CC_USE_S3 0
+#endif
+
+#if defined(MAVERICK) && (MAVERICK)
+#define CC_MAVERICK 1
+#else
+#define CC_MAVERICK 0
+#endif
+
+#if defined(IBOOT) && (IBOOT)
+#define CC_IBOOT 1
+#else
+#define CC_IBOOT 0
+#endif
+
+// BB configuration
+#if CC_MAVERICK
+
+// -- ENDIANESS
+#if defined(ENDIAN_LITTLE) || (defined(__arm__) && !defined(__BIG_ENDIAN))
+#define __LITTLE_ENDIAN__
+#elif !defined(ENDIAN_BIG) && !defined(__BIG_ENDIAN)
+#error Baseband endianess not defined.
+#endif
+#define AESOPT_ENDIAN_NO_FILE
+
+// -- Architecture
+#define CCN_UNIT_SIZE 4 // 32 bits
+#define aligned(x) aligned((x)>8?8:(x)) // Alignment on 8 bytes max
+#define SAFE_IO // AES support for unaligned Input/Output
+
+// -- External function
+#define assert ASSERT // sanity
+
+// -- Warnings
+// Ignore irrelevant warnings after verification
+// #1254-D: arithmetic on pointer to void or function type
+// #186-D: pointless comparison of unsigned integer with zero
+// #546-D: transfer of control bypasses initialization of
+#if defined(__GNUC__)
+// warning: pointer of type 'void *' used in arithmetic
+#pragma GCC diagnostic ignored "-Wpointer-arith"
+#endif // arm or gnuc
+
+#endif // MAVERICK
+
#if !defined(CCN_UNIT_SIZE)
-#if defined(__x86_64__)
+#if defined(__arm64__) || defined(__x86_64__)
#define CCN_UNIT_SIZE 8
#elif defined(__arm__) || defined(__i386__)
#define CCN_UNIT_SIZE 4
#endif
#endif /* !defined(CCN_UNIT_SIZE) */
+#if defined(__x86_64__) || defined(__i386__)
+#define CCN_IOS 0
+#define CCN_OSX 1
+#endif
+
+#if CC_USE_L4 || CC_USE_S3
/* No dynamic linking allowed in L4, e.g. avoid nonlazy symbols */
-/* For corecrypto kext, CC_STATIC should be 0 */
+/* For corecrypto kext, CC_STATIC should be undefined */
+#define CC_STATIC 1
+#endif
-#if defined(__x86_64__) || defined(__i386__)
+#if CC_USE_L4 || CC_IBOOT
+/* For L4, stack is too short, need to use HEAP for some computations */
+/* CC_USE_HEAP_FOR_WORKSPACE not supported for KERNEL! */
+#define CC_USE_HEAP_FOR_WORKSPACE 1
+#else
+#define CC_USE_HEAP_FOR_WORKSPACE 0
+#endif
+
+/* L4 do not have bzero, neither does hexagon of ARMCC even with gnu compatibility mode */
+#if CC_USE_L4 || defined(__CC_ARM) || defined(__hexagon__)
+#define CC_HAS_BZERO 0
+#else
+#define CC_HAS_BZERO 1
+#endif
+/* memset_s is only available in few target */
+#if CC_USE_L4 || CC_KERNEL || CC_IBOOT || CC_USE_SEPROM || defined(__CC_ARM) || defined(__hexagon__)
+#define CC_HAS_MEMSET_S 0
+#else
+#define CC_HAS_MEMSET_S 1
+#endif
+
+
+#if defined(__CC_ARM) || defined(__hexagon__) || CC_LINUX || defined(__NO_ASM__)
+// ARMASM.exe does not to like the file syntax of the asm implementation
+#define CCN_DEDICATED_SQR 1
+#define CCN_MUL_KARATSUBA 1 // 4*n CCN_UNIT extra memory required.
+#define CCN_ADD_ASM 0
+#define CCN_SUB_ASM 0
+#define CCN_MUL_ASM 0
+#define CCN_ADDMUL1_ASM 0
+#define CCN_MUL1_ASM 0
+#define CCN_CMP_ASM 0
+#define CCN_ADD1_ASM 0
+#define CCN_SUB1_ASM 0
+#define CCN_N_ASM 0
+#define CCN_SET_ASM 0
+#define CCAES_ARM 0
+#define CCAES_INTEL 0
+#define CCN_USE_BUILTIN_CLZ 0
+#if !defined(__NO_ASM__)
+#define CCSHA1_VNG_INTEL 0
+#define CCSHA2_VNG_INTEL 0
+#define CCSHA1_VNG_ARMV7NEON 0
+#define CCSHA2_VNG_ARMV7NEON 0
+#endif
+#define CCAES_MUX 0
+
+#elif defined(__x86_64__) || defined(__i386__)
+#define CCN_DEDICATED_SQR 1
+#define CCN_MUL_KARATSUBA 1 // 4*n CCN_UNIT extra memory required.
/* These assembly routines only work for a single CCN_UNIT_SIZE. */
#if (defined(__x86_64__) && CCN_UNIT_SIZE == 8) || (defined(__i386__) && CCN_UNIT_SIZE == 4)
#define CCN_ADD_ASM 1
#define CCN_SUB_ASM 1
-#define CCN_MUL_ASM 1
+#define CCN_MUL_ASM 0
#else
#define CCN_ADD_ASM 0
#define CCN_SUB_ASM 0
#define CCN_MUL_ASM 0
#endif
+#if (defined(__x86_64__) && CCN_UNIT_SIZE == 8)
+#define CCN_CMP_ASM 1
+#define CCN_N_ASM 1
+#else
+#define CCN_CMP_ASM 0
+#define CCN_N_ASM 0
+#endif
+
#define CCN_ADDMUL1_ASM 0
#define CCN_MUL1_ASM 0
-#define CCN_CMP_ASM 0
#define CCN_ADD1_ASM 0
#define CCN_SUB1_ASM 0
-#define CCN_N_ASM 0
#define CCN_SET_ASM 0
#define CCAES_ARM 0
#define CCAES_INTEL 1
+#define CCAES_MUX 0
#define CCN_USE_BUILTIN_CLZ 0
#define CCSHA1_VNG_INTEL 1
#define CCSHA2_VNG_INTEL 1
#define CCSHA2_VNG_ARMV7NEON 0
#else
-
+#define CCN_DEDICATED_SQR 1
+#define CCN_MUL_KARATSUBA 1 // 4*n CCN_UNIT extra memory required.
#define CCN_ADD_ASM 0
#define CCN_SUB_ASM 0
#define CCN_MUL_ASM 0
#define CCN_SET_ASM 0
#define CCAES_ARM 0
#define CCAES_INTEL 0
+#define CCAES_MUX 0
#define CCN_USE_BUILTIN_CLZ 0
#define CCSHA1_VNG_INTEL 0
#define CCSHA2_VNG_INTEL 0
#endif /* !defined(__i386__) */
-#define CCN_N_INLINE 0
-#define CCN_CMP_INLINE 0
-
#define CC_INLINE static inline
#ifdef __GNUC__
#define CC_NORETURN __attribute__((__noreturn__))
#define CC_NOTHROW __attribute__((__nothrow__))
+// Transparent Union
+#if defined(__CC_ARM) || defined(__hexagon__)
+#define CC_NONNULL_TU(N)
+#else
+#define CC_NONNULL_TU(N) __attribute__((__nonnull__ N))
+#endif
#define CC_NONNULL(N) __attribute__((__nonnull__ N))
#define CC_NONNULL1 __attribute__((__nonnull__(1)))
#define CC_NONNULL2 __attribute__((__nonnull__(2)))
#define CC_UNUSED __attribute__((unused))
#else /* !__GNUC__ */
/*! @parseOnly */
+#define CC_UNUSED
+/*! @parseOnly */
+#define CC_NONNULL_TU(N)
+/*! @parseOnly */
+#define CC_NONNULL(N)
+/*! @parseOnly */
#define CC_NORETURN
/*! @parseOnly */
#define CC_NOTHROW
#define CC_MALLOC
#endif /* !__GNUC__ */
+
#endif /* _CORECRYPTO_CC_CONFIG_H_ */
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