From: Arun Thomas Date: Fri, 12 Nov 2010 18:38:10 +0000 (+0000) Subject: GCC/clang: int64 routines in C X-Git-Tag: v3.2.0~748 X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/man.host.html?a=commitdiff_plain;h=f0ab18377dc0771fb6e7a584524eabbfa7c73ab4;p=minix.git GCC/clang: int64 routines in C --- diff --git a/include/minix/sha2.h b/include/minix/sha2.h index 6dcc3f120..b5710981b 100644 --- a/include/minix/sha2.h +++ b/include/minix/sha2.h @@ -69,7 +69,9 @@ typedef u8_t u_int8_t; /* 1-byte (8-bits) */ typedef u32_t u_int32_t; /* 4-bytes (32-bits) */ typedef u64_t u_int64_t; /* 8-bytes (64-bits) */ +#if !defined(__LONG_LONG_SUPPORTED) #define MINIX_64BIT 1 +#endif #define SHA2_BYTE_ORDER 0x04030201 #define SHA2_LITTLE_ENDIAN 0x04030201 diff --git a/include/minix/types.h b/include/minix/types.h index e130467ee..878175e6c 100644 --- a/include/minix/types.h +++ b/include/minix/types.h @@ -26,10 +26,18 @@ typedef unsigned long u32_t; /* 32 bit type */ typedef long i32_t; /* 32 bit signed type */ #endif +#if !defined(__LONG_LONG_SUPPORTED) typedef struct { u32_t lo; u32_t hi; } u64_t; +#else +#if __SIZEOF_LONG__ > 4 +typedef unsigned long u64_t; +#else +typedef unsigned long long u64_t; +#endif +#endif /* some Minix specific types that do not conflict with posix */ typedef u32_t zone_t; /* zone number */ diff --git a/include/minix/u64.h b/include/minix/u64.h index 4eef3fec2..bb0cf6c01 100644 --- a/include/minix/u64.h +++ b/include/minix/u64.h @@ -40,6 +40,7 @@ u64_t xor64(u64_t a, u64_t b); u64_t and64(u64_t a, u64_t b); u64_t not64(u64_t a); +#if !defined(__LONG_LONG_SUPPORTED) #define is_zero64(i) ((i).lo == 0 && (i).hi == 0) #define make_zero64(i) do { (i).lo = (i).hi = 0; } while(0) @@ -48,5 +49,10 @@ u64_t not64(u64_t a); (i).hi = ~(i).hi; \ (i) = add64u((i), 1); \ } while(0) +#else +#define is_zero64(i) ((i) == 0) +#define make_zero64(i) ((i) = 0) +#define neg64(i) ((i) = -(i)) +#endif #endif /* _MINIX__U64_H */ diff --git a/kernel/Makefile b/kernel/Makefile index 780c414e0..bde3be848 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -26,7 +26,7 @@ LDFLAGS+= -T arch/${ARCH}/kernel.lds LDFLAGS+= -nostdlib -L/usr/lib CFLAGS+=-march=i386 DPADD+= ${LIBC} -LDADD+= -lc +LDADD+= -lgcc -lc -lgcc .endif CPPFLAGS+= -I${.CURDIR} -I${.CURDIR}/arch/${ARCH}/include -I${MINIXSRCDIR} diff --git a/kernel/main.c b/kernel/main.c index b630cbec8..108ef99eb 100644 --- a/kernel/main.c +++ b/kernel/main.c @@ -29,6 +29,9 @@ #endif #include "spinlock.h" +/* dummy for linking */ +char *** _penviron; + /* Prototype declarations for PRIVATE functions. */ FORWARD _PROTOTYPE( void announce, (void)); diff --git a/lib/libarchive/Makefile b/lib/libarchive/Makefile index 19ac20af6..6047b02bb 100644 --- a/lib/libarchive/Makefile +++ b/lib/libarchive/Makefile @@ -58,8 +58,11 @@ SRCS= archive_check_magic.c \ archive_write_set_format_shar.c \ archive_write_set_format_ustar.c \ archive_write_set_format_zip.c \ - filter_fork.c \ - minix_utils.c + filter_fork.c + +.if ${COMPILER_TYPE} == "ack" +SRCS+= minix_utils.c +.endif CPPFLAGS+= -DHAVE_CONFIG_H INCSDIR= /usr/include diff --git a/lib/libarchive/archive_write_set_format_ustar.c b/lib/libarchive/archive_write_set_format_ustar.c index 208a08a1e..fca745d25 100644 --- a/lib/libarchive/archive_write_set_format_ustar.c +++ b/lib/libarchive/archive_write_set_format_ustar.c @@ -499,8 +499,11 @@ format_number(int32_t v, char *p, int s, int maxsize, int strict) */ u64_t limit; - /* limit = (1 << (s*3)) */ +#if !defined(__LONG_LONG_SUPPORTED) limit = lshift64(cvu64(1), s*3); +#else + limit = (1 << (s*3)); +#endif /* "Strict" only permits octal values with proper termination. */ if (strict) @@ -518,8 +521,11 @@ format_number(int32_t v, char *p, int s, int maxsize, int strict) if (cmp64ul(limit, v) > 0) return (format_octal(v, p, s)); s++; - /* limit <<= 3 */ +#if !defined(__LONG_LONG_SUPPORTED) limit = lshift64(limit, 3); +#else + limit <<= 3; +#endif } } diff --git a/lib/libarchive/minix_utils.c b/lib/libarchive/minix_utils.c index 86db21756..cc8baf3bb 100644 --- a/lib/libarchive/minix_utils.c +++ b/lib/libarchive/minix_utils.c @@ -1,5 +1,6 @@ #include "minix_utils.h" +#if !defined(__LONG_LONG_SUPPORTED) u64_t lshift64(u64_t x, unsigned short b) { u64_t r; @@ -13,3 +14,4 @@ u64_t lshift64(u64_t x, unsigned short b) } return r; } +#endif diff --git a/lib/libarchive/minix_utils.h b/lib/libarchive/minix_utils.h index b198004f7..41c57e4e7 100644 --- a/lib/libarchive/minix_utils.h +++ b/lib/libarchive/minix_utils.h @@ -1,5 +1,7 @@ #ifndef MINIX_UTILS_H #define MINIX_UTILS_H #include +#if !defined(__LONG_LONG_SUPPORTED) u64_t lshift64(u64_t x, unsigned short b); #endif +#endif diff --git a/lib/libc/arch/i386/int64/Makefile.inc b/lib/libc/arch/i386/int64/Makefile.inc index b3d7fa5ba..9e9f7b7a3 100644 --- a/lib/libc/arch/i386/int64/Makefile.inc +++ b/lib/libc/arch/i386/int64/Makefile.inc @@ -1,6 +1,7 @@ # int64 sources .PATH: ${.CURDIR}/arch/${ARCH}/int64 +.if ${COMPILER_TYPE} == "ack" SRCS+= \ add64.S \ add64u.S \ @@ -17,3 +18,6 @@ SRCS+= \ mul64u.S \ sub64.S \ sub64u.S +.elif ${COMPILER_TYPE} == "gnu" +SRCS+= int64.c +.endif diff --git a/lib/libc/arch/i386/int64/int64.c b/lib/libc/arch/i386/int64/int64.c new file mode 100644 index 000000000..8d7bd8396 --- /dev/null +++ b/lib/libc/arch/i386/int64/int64.c @@ -0,0 +1,171 @@ +/* + * This file implements 64-bit arithmentic functions. These functions will + * go away once clang is ready. + * + * It will only work with GCC and clang. + * + */ + +#include +#include + +#if !defined(__LONG_LONG_SUPPORTED) +#error "ERROR: This file requires long long support" +#endif + + +u64_t add64(u64_t i, u64_t j) +{ + return i + j; +} + +u64_t add64u(u64_t i, unsigned j) +{ + return i + j; +} + +u64_t add64ul(u64_t i, unsigned long j) +{ + return i + j; +} + +int bsr64(u64_t i) +{ + int index; + u64_t mask; + + for (index = 63, mask = 1ULL << 63; index >= 0; --index, mask >>= 1) { + if (i & mask) + return index; + } + + return -1; +} + +int cmp64(u64_t i, u64_t j) +{ + if (i > j) + return 1; + else if (i < j) + return -1; + else /* (i == j) */ + return 0; +} + +int cmp64u(u64_t i, unsigned j) +{ + if (i > j) + return 1; + else if (i < j) + return -1; + else /* (i == j) */ + return 0; +} + +int cmp64ul(u64_t i, unsigned long j) +{ + if (i > j) + return 1; + else if (i < j) + return -1; + else /* (i == j) */ + return 0; +} + +unsigned cv64u(u64_t i) +{ +/* return ULONG_MAX if really big */ + if (i>>32) + return ULONG_MAX; + + return (unsigned)i; +} + +unsigned long cv64ul(u64_t i) +{ +/* return ULONG_MAX if really big */ + if (i>>32) + return ULONG_MAX; + + return (unsigned long)i; +} + +u64_t cvu64(unsigned i) +{ + return i; +} + +u64_t cvul64(unsigned long i) +{ + return i; +} + +unsigned diff64(u64_t i, u64_t j) +{ + return (unsigned)(i - j); +} + +u64_t div64(u64_t i, u64_t j) +{ + return i / j; +} + +u64_t rem64(u64_t i, u64_t j) +{ + return i % j; +} + +unsigned long div64u(u64_t i, unsigned j) +{ + return (unsigned long)(i / j); +} + +u64_t div64u64(u64_t i, unsigned j) +{ + return i / j; +} + +unsigned rem64u(u64_t i, unsigned j) +{ + return (unsigned)(i % j); +} + +unsigned long ex64lo(u64_t i) +{ + return (unsigned long)i; +} + +unsigned long ex64hi(u64_t i) +{ + return (unsigned long)(i>>32); +} + +u64_t make64(unsigned long lo, unsigned long hi) +{ + return ((u64_t)hi << 32) | (u64_t)lo; +} + +u64_t mul64(u64_t i, u64_t j) +{ + return i * j; +} + +u64_t mul64u(unsigned long i, unsigned j) +{ + return (u64_t)i * j; +} + +u64_t sub64(u64_t i, u64_t j) +{ + return i - j; +} + +u64_t sub64u(u64_t i, unsigned j) +{ + return i - j; +} + +u64_t sub64ul(u64_t i, unsigned long j) +{ + return i - j; +} diff --git a/lib/libc/other/u64util.c b/lib/libc/other/u64util.c index 40bfd6469..05b8436c8 100644 --- a/lib/libc/other/u64util.c +++ b/lib/libc/other/u64util.c @@ -3,6 +3,7 @@ */ #include +#if !defined(__LONG_LONG_SUPPORTED) u64_t rrotate64(u64_t x, unsigned short b) { u64_t r, t; @@ -72,5 +73,40 @@ u64_t not64(u64_t a) return r; } +#else +#if !defined(__LONG_LONG_SUPPORTED) +#error "ERROR: These functions require long long support" +#endif + +u64_t rrotate64(u64_t x, unsigned short b) +{ + b %= 64; + if ((b &= 63) == 0) + return x; + return (x >> b) | (x << (64 - b)); +} + +u64_t rshift64(u64_t x, unsigned short b) +{ + if (b >= 64) + return 0; + return x >> b; +} + +u64_t xor64(u64_t a, u64_t b) +{ + return a ^ b; +} + +u64_t and64(u64_t a, u64_t b) +{ + return a & b; +} + +u64_t not64(u64_t a) +{ + return ~a; +} +#endif diff --git a/lib/libutil/sha2.c b/lib/libutil/sha2.c index f77c77cac..cced4eeb4 100644 --- a/lib/libutil/sha2.c +++ b/lib/libutil/sha2.c @@ -147,12 +147,21 @@ typedef u_int64_t sha2_word64; /* Exactly 8 bytes */ * unsigned 128-bit integer (represented using a two-element array of * 64-bit words): */ +#define ADDINC128(w,n) { \ + (w)[0] += (sha2_word64)(n); \ + if ((w)[0] < (n)) { \ + (w)[1]++; \ + } \ +} +#if MINIX_64BIT +#undef ADDINC128 #define ADDINC128(w,n) { \ (w)[0] = add64u((w)[0], (n)); \ if (cmp64u((w)[0], (n)) < 0) { \ (w)[1] = add64u((w)[1], 1); \ } \ } +#endif /* MINIX_64BIT */ /*** THE SIX LOGICAL FUNCTIONS ****************************************/ /* @@ -168,15 +177,20 @@ typedef u_int64_t sha2_word64; /* Exactly 8 bytes */ /* 32-bit Rotate-right (used in SHA-256): */ #define S32(b,x) (((x) >> (b)) | ((x) << (32 - (b)))) /* 64-bit Rotate-right (used in SHA-384 and SHA-512): */ +#define S64(b,x) (((x) >> (b)) | ((x) << (64 - (b)))) +#if MINIX_64BIT +#undef S64 #define S64(b,x) (rrotate64((x), (b))) #define R64(b, x) (rshift64(x, b)) +#endif /* MINIX_64BIT */ /* Two of six logical functions used in SHA-256, SHA-384, and SHA-512: */ #define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z))) #define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z))) - +#if MINIX_64BIT #define Ch64(x,y,z) (xor64(and64((x), (y)), and64(not64((x)), (z)))) #define Maj64(x,y,z) (xor64(xor64(and64((x), (y)), and64((x), (z))), and64((y), (z)))) +#endif /* MINIX_64BIT */ /* Four of six logical functions used in SHA-256: */ #define Sigma0_256(x) (S32(2, (x)) ^ S32(13, (x)) ^ S32(22, (x))) @@ -185,10 +199,20 @@ typedef u_int64_t sha2_word64; /* Exactly 8 bytes */ #define sigma1_256(x) (S32(17, (x)) ^ S32(19, (x)) ^ R(10, (x))) /* Four of six logical functions used in SHA-384 and SHA-512: */ +#define Sigma0_512(x) (S64(28, (x)) ^ S64(34, (x)) ^ S64(39, (x))) +#define Sigma1_512(x) (S64(14, (x)) ^ S64(18, (x)) ^ S64(41, (x))) +#define sigma0_512(x) (S64( 1, (x)) ^ S64( 8, (x)) ^ R( 7, (x))) +#define sigma1_512(x) (S64(19, (x)) ^ S64(61, (x)) ^ R( 6, (x))) +#if MINIX_64BIT +#undef Sigma0_512 +#undef Sigma1_512 +#undef sigma0_512 +#undef sigma1_512 #define Sigma0_512(x) (xor64(xor64(S64(28, (x)), S64(34, (x))), S64(39, (x)))) #define Sigma1_512(x) (xor64(xor64(S64(14, (x)), S64(18, (x))), S64(41, (x)))) #define sigma0_512(x) (xor64(xor64(S64( 1, (x)), S64( 8, (x))), R64( 7, (x)))) #define sigma1_512(x) (xor64(xor64(S64(19, (x)), S64(61, (x))), R64( 6, (x)))) +#endif /* MINIX_64BIT */ /*** INTERNAL FUNCTION PROTOTYPES *************************************/ /* NOTE: These should not be accessed directly from outside this @@ -235,6 +259,7 @@ static const sha2_word32 sha256_initial_hash_value[8] = { }; /* Hash constant words K for SHA-384 and SHA-512: */ +#if MINIX_64BIT const static sha2_word64 K512[80] = { {0xd728ae22UL, 0x428a2f98UL}, {0x23ef65cdUL, 0x71374491UL}, {0xec4d3b2fUL, 0xb5c0fbcfUL}, {0x8189dbbcUL, 0xe9b5dba5UL}, @@ -277,8 +302,53 @@ const static sha2_word64 K512[80] = { {0xcb3e42b6UL, 0x4cc5d4beUL}, {0xfc657e2aUL, 0x597f299cUL}, {0x3ad6faecUL, 0x5fcb6fabUL}, {0x4a475817UL, 0x6c44198cUL} }; +#else /* !MINIX_64BIT */ +static const sha2_word64 K512[80] = { + 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, + 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL, + 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL, + 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL, + 0xd807aa98a3030242ULL, 0x12835b0145706fbeULL, + 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL, + 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL, + 0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL, + 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL, + 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL, + 0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL, + 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL, + 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL, + 0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL, + 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL, + 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL, + 0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL, + 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL, + 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL, + 0x81c2c92e47edaee6ULL, 0x92722c851482353bULL, + 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL, + 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL, + 0xd192e819d6ef5218ULL, 0xd69906245565a910ULL, + 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL, + 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL, + 0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL, + 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL, + 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL, + 0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL, + 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL, + 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL, + 0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL, + 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL, + 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL, + 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL, + 0x113f9804bef90daeULL, 0x1b710b35131c471bULL, + 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, + 0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL, + 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL, + 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL +}; +#endif /* MINIX_64BIT */ /* Initial hash value H for SHA-384 */ +#if MINIX_64BIT const static sha2_word64 sha384_initial_hash_value[8] = { {0xc1059ed8UL, 0xcbbb9d5dUL}, {0x367cd507UL, 0x629a292aUL}, @@ -289,7 +359,21 @@ const static sha2_word64 sha384_initial_hash_value[8] = { {0x64f98fa7UL, 0xdb0c2e0dUL}, {0xbefa4fa4UL, 0x47b5481dUL} }; +#else /* !MINIX_64BIT */ +static const sha2_word64 sha384_initial_hash_value[8] = { + 0xcbbb9d5dc1059ed8ULL, + 0x629a292a367cd507ULL, + 0x9159015a3070dd17ULL, + 0x152fecd8f70e5939ULL, + 0x67332667ffc00b31ULL, + 0x8eb44a8768581511ULL, + 0xdb0c2e0d64f98fa7ULL, + 0x47b5481dbefa4fa4ULL +}; +#endif /* MINIX_64BIT */ +/* Initial hash value H for SHA-512 */ +#if MINIX_64BIT const static sha2_word64 sha512_initial_hash_value[8] = { {0xf3bcc908UL, 0x6a09e667UL}, {0x84caa73bUL, 0xbb67ae85UL}, @@ -300,6 +384,18 @@ const static sha2_word64 sha512_initial_hash_value[8] = { {0xfb41bd6bUL, 0x1f83d9abUL}, {0x137e2179UL, 0x5be0cd19UL} }; +#else /* !MINIX_64BIT */ +static const sha2_word64 sha512_initial_hash_value[8] = { + 0x6a09e667f3bcc908ULL, + 0xbb67ae8584caa73bULL, + 0x3c6ef372fe94f82bULL, + 0xa54ff53a5f1d36f1ULL, + 0x510e527fade682d1ULL, + 0x9b05688c2b3e6c1fULL, + 0x1f83d9abfb41bd6bULL, + 0x5be0cd19137e2179ULL +}; +#endif /* MINIX_64BIT */ /*** SHA-256: *********************************************************/ void SHA256_Init(SHA256_CTX* context) { @@ -308,7 +404,11 @@ void SHA256_Init(SHA256_CTX* context) { } memcpy(context->state, sha256_initial_hash_value, (size_t)(SHA256_DIGEST_LENGTH)); memset(context->buffer, 0, (size_t)(SHA256_BLOCK_LENGTH)); +#if MINIX_64BIT context->bitcount = cvu64(0); +#else /* !MINIX_64BIT */ + context->bitcount = 0; +#endif /* MINIX_64BIT */ } #ifdef SHA2_UNROLL_TRANSFORM @@ -654,8 +754,12 @@ void SHA512_Init(SHA512_CTX* context) { } memcpy(context->state, sha512_initial_hash_value, (size_t)(SHA512_DIGEST_LENGTH)); memset(context->buffer, 0, (size_t)(SHA512_BLOCK_LENGTH)); +#if MINIX_64BIT make_zero64(context->bitcount[0]); make_zero64(context->bitcount[1]); +#else /* !MINIX_64BIT */ + context->bitcount[0] = context->bitcount[1] = 0; +#endif /* MINIX_64BIT */ } #ifdef SHA2_UNROLL_TRANSFORM @@ -769,21 +873,37 @@ void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) { #if SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN /* Convert TO host byte order */ REVERSE64(*data++, W512[j]); +#if MINIX_64BIT + /* Apply the SHA-512 compression function to update a..h with copy */ + T1 = add64(add64(add64(add64(h, Sigma1_512(e)), Ch64(e, f, g)), K512[j]), W512[j]); +#else /* !MINIX_64BIT */ + T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + W512[j]; +#endif /* MINIX_64BIT */ #else /* SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN */ - W512[j] = *data++; + /* Apply the SHA-512 compression function to update a..h with copy */ + T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + (W512[j] = *data++); #endif /* SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN */ - /* Apply the SHA-512 compression function to update a..h */ - T1 = add64(add64(add64(add64(h, Sigma1_512(e)), Ch64(e, f, g)), K512[j]), W512[j]); +#ifdef MINIX_64BIT T2 = add64(Sigma0_512(a), Maj64(a, b, c)); - +#else /* !MINIX_64BIT */ + T2 = Sigma0_512(a) + Maj(a, b, c); +#endif /* MINIX_64BIT */ h = g; g = f; f = e; +#if MINIX_64BIT e = add64(d, T1); +#else /* !MINIX_64BIT */ + e = d + T1; +#endif /* MINIX_64BIT */ d = c; c = b; b = a; +#if MINIX_64BIT a = add64(T1, T2); +#else /* !MINIX_64BIT */ + a = T1 + T2; +#endif /* MINIX_64BIT */ j++; } while (j < 16); @@ -796,22 +916,37 @@ void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) { s1 = sigma1_512(s1); /* Apply the SHA-512 compression function to update a..h */ +#ifdef MINIX_64BIT W512[j&0x0f] = add64(add64(add64(W512[j&0x0f], s1), W512[(j+9)&0x0f]), s0); T1 = add64(add64(add64(add64(h, Sigma1_512(e)), Ch64(e, f, g)), K512[j]), W512[j&0x0f]); T2 = add64(Sigma0_512(a), Maj64(a, b, c)); +#else /* !MINIX_64BIT */ + T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + + (W512[j&0x0f] += s1 + W512[(j+9)&0x0f] + s0); + T2 = Sigma0_512(a) + Maj(a, b, c); +#endif /* MINIX_64BIT */ h = g; g = f; f = e; +#if MINIX_64BIT e = add64(d, T1); +#else /* !MINIX_64BIT */ + e = d + T1; +#endif /* MINIX_64BIT */ d = c; c = b; b = a; +#if MINIX_64BIT a = add64(T1, T2); +#else /* !MINIX_64BIT */ + a = T1 + T2; +#endif /* MINIX_64BIT */ j++; } while (j < 80); /* Compute the current intermediate hash value */ +#ifdef MINIX_64BIT context->state[0] = add64(context->state[0], a); context->state[1] = add64(context->state[1], b); context->state[2] = add64(context->state[2], c); @@ -820,9 +955,19 @@ void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) { context->state[5] = add64(context->state[5], f); context->state[6] = add64(context->state[6], g); context->state[7] = add64(context->state[7], h); - /* Clean up */ a = b = c = d = e = f = g = h = T1 = T2 = cvu64(0); +#else /* !MINIX_64BIT */ + context->state[0] += a; + context->state[1] += b; + context->state[2] += c; + context->state[3] += d; + context->state[4] += e; + context->state[5] += f; + context->state[6] += g; + context->state[7] += h; + a = b = c = d = e = f = g = h = T1 = T2 = 0; +#endif /* MINIX_64BIT */ } #endif /* SHA2_UNROLL_TRANSFORM */ @@ -838,7 +983,11 @@ void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) { /* Sanity check: */ assert(context != (SHA512_CTX*)0 && data != (sha2_byte*)0); +#if MINIX_64BIT usedspace = (unsigned int)rem64u(rshift64(context->bitcount[0], 3), SHA512_BLOCK_LENGTH); +#else /* !MINIX_64BIT */ + usedspace = (unsigned int)((context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH); +#endif /* MINIX_64BIT */ if (usedspace > 0) { /* Calculate how much free space is available in the buffer */ freespace = SHA512_BLOCK_LENGTH - usedspace; @@ -970,8 +1119,12 @@ void SHA384_Init(SHA384_CTX* context) { } memcpy(context->state, sha384_initial_hash_value, (size_t)(SHA512_DIGEST_LENGTH)); memset(context->buffer, 0, (size_t)(SHA384_BLOCK_LENGTH)); +#if MINIX_64BIT make_zero64(context->bitcount[0]); make_zero64(context->bitcount[1]); +#else /* !MINIX_64BIT */ + context->bitcount[0] = context->bitcount[1] = 0; +#endif /* MINIX_64BIT */ } void SHA384_Update(SHA384_CTX* context, const sha2_byte* data, size_t len) { diff --git a/servers/vfs/path.c b/servers/vfs/path.c index 3bd7f6019..03986b9b2 100644 --- a/servers/vfs/path.c +++ b/servers/vfs/path.c @@ -316,11 +316,13 @@ struct vnode *dirp; struct vnode *entry; char ename[NAME_MAX + 1]; { - u64_t pos = {0, 0}, new_pos; + u64_t pos, new_pos; int r, consumed, totalbytes; char buf[(sizeof(struct dirent) + NAME_MAX) * 8]; struct dirent *cur; + pos = make64(0, 0); + if ((dirp->v_mode & I_TYPE) != I_DIRECTORY) { return(EBADF); }