diff options
Diffstat (limited to 'target/arm/crypto_helper.c')
-rw-r--r-- | target/arm/crypto_helper.c | 184 |
1 files changed, 70 insertions, 114 deletions
diff --git a/target/arm/crypto_helper.c b/target/arm/crypto_helper.c index 3b6df3f41a..9ca0bdead7 100644 --- a/target/arm/crypto_helper.c +++ b/target/arm/crypto_helper.c @@ -30,20 +30,14 @@ union CRYPTO_STATE { #define CR_ST_WORD(state, i) (state.words[i]) #endif -void HELPER(crypto_aese)(CPUARMState *env, uint32_t rd, uint32_t rm, - uint32_t decrypt) +void HELPER(crypto_aese)(void *vd, void *vm, uint32_t decrypt) { static uint8_t const * const sbox[2] = { AES_sbox, AES_isbox }; static uint8_t const * const shift[2] = { AES_shifts, AES_ishifts }; - - union CRYPTO_STATE rk = { .l = { - float64_val(env->vfp.regs[rm]), - float64_val(env->vfp.regs[rm + 1]) - } }; - union CRYPTO_STATE st = { .l = { - float64_val(env->vfp.regs[rd]), - float64_val(env->vfp.regs[rd + 1]) - } }; + uint64_t *rd = vd; + uint64_t *rm = vm; + union CRYPTO_STATE rk = { .l = { rm[0], rm[1] } }; + union CRYPTO_STATE st = { .l = { rd[0], rd[1] } }; int i; assert(decrypt < 2); @@ -57,12 +51,11 @@ void HELPER(crypto_aese)(CPUARMState *env, uint32_t rd, uint32_t rm, CR_ST_BYTE(st, i) = sbox[decrypt][CR_ST_BYTE(rk, shift[decrypt][i])]; } - env->vfp.regs[rd] = make_float64(st.l[0]); - env->vfp.regs[rd + 1] = make_float64(st.l[1]); + rd[0] = st.l[0]; + rd[1] = st.l[1]; } -void HELPER(crypto_aesmc)(CPUARMState *env, uint32_t rd, uint32_t rm, - uint32_t decrypt) +void HELPER(crypto_aesmc)(void *vd, void *vm, uint32_t decrypt) { static uint32_t const mc[][256] = { { /* MixColumns lookup table */ @@ -197,10 +190,10 @@ void HELPER(crypto_aesmc)(CPUARMState *env, uint32_t rd, uint32_t rm, 0x92b479a7, 0x99b970a9, 0x84ae6bbb, 0x8fa362b5, 0xbe805d9f, 0xb58d5491, 0xa89a4f83, 0xa397468d, } }; - union CRYPTO_STATE st = { .l = { - float64_val(env->vfp.regs[rm]), - float64_val(env->vfp.regs[rm + 1]) - } }; + + uint64_t *rd = vd; + uint64_t *rm = vm; + union CRYPTO_STATE st = { .l = { rm[0], rm[1] } }; int i; assert(decrypt < 2); @@ -213,8 +206,8 @@ void HELPER(crypto_aesmc)(CPUARMState *env, uint32_t rd, uint32_t rm, rol32(mc[decrypt][CR_ST_BYTE(st, i + 3)], 24); } - env->vfp.regs[rd] = make_float64(st.l[0]); - env->vfp.regs[rd + 1] = make_float64(st.l[1]); + rd[0] = st.l[0]; + rd[1] = st.l[1]; } /* @@ -236,21 +229,14 @@ static uint32_t maj(uint32_t x, uint32_t y, uint32_t z) return (x & y) | ((x | y) & z); } -void HELPER(crypto_sha1_3reg)(CPUARMState *env, uint32_t rd, uint32_t rn, - uint32_t rm, uint32_t op) +void HELPER(crypto_sha1_3reg)(void *vd, void *vn, void *vm, uint32_t op) { - union CRYPTO_STATE d = { .l = { - float64_val(env->vfp.regs[rd]), - float64_val(env->vfp.regs[rd + 1]) - } }; - union CRYPTO_STATE n = { .l = { - float64_val(env->vfp.regs[rn]), - float64_val(env->vfp.regs[rn + 1]) - } }; - union CRYPTO_STATE m = { .l = { - float64_val(env->vfp.regs[rm]), - float64_val(env->vfp.regs[rm + 1]) - } }; + uint64_t *rd = vd; + uint64_t *rn = vn; + uint64_t *rm = vm; + union CRYPTO_STATE d = { .l = { rd[0], rd[1] } }; + union CRYPTO_STATE n = { .l = { rn[0], rn[1] } }; + union CRYPTO_STATE m = { .l = { rm[0], rm[1] } }; if (op == 3) { /* sha1su0 */ d.l[0] ^= d.l[1] ^ m.l[0]; @@ -284,42 +270,37 @@ void HELPER(crypto_sha1_3reg)(CPUARMState *env, uint32_t rd, uint32_t rn, CR_ST_WORD(d, 0) = t; } } - env->vfp.regs[rd] = make_float64(d.l[0]); - env->vfp.regs[rd + 1] = make_float64(d.l[1]); + rd[0] = d.l[0]; + rd[1] = d.l[1]; } -void HELPER(crypto_sha1h)(CPUARMState *env, uint32_t rd, uint32_t rm) +void HELPER(crypto_sha1h)(void *vd, void *vm) { - union CRYPTO_STATE m = { .l = { - float64_val(env->vfp.regs[rm]), - float64_val(env->vfp.regs[rm + 1]) - } }; + uint64_t *rd = vd; + uint64_t *rm = vm; + union CRYPTO_STATE m = { .l = { rm[0], rm[1] } }; CR_ST_WORD(m, 0) = ror32(CR_ST_WORD(m, 0), 2); CR_ST_WORD(m, 1) = CR_ST_WORD(m, 2) = CR_ST_WORD(m, 3) = 0; - env->vfp.regs[rd] = make_float64(m.l[0]); - env->vfp.regs[rd + 1] = make_float64(m.l[1]); + rd[0] = m.l[0]; + rd[1] = m.l[1]; } -void HELPER(crypto_sha1su1)(CPUARMState *env, uint32_t rd, uint32_t rm) +void HELPER(crypto_sha1su1)(void *vd, void *vm) { - union CRYPTO_STATE d = { .l = { - float64_val(env->vfp.regs[rd]), - float64_val(env->vfp.regs[rd + 1]) - } }; - union CRYPTO_STATE m = { .l = { - float64_val(env->vfp.regs[rm]), - float64_val(env->vfp.regs[rm + 1]) - } }; + uint64_t *rd = vd; + uint64_t *rm = vm; + union CRYPTO_STATE d = { .l = { rd[0], rd[1] } }; + union CRYPTO_STATE m = { .l = { rm[0], rm[1] } }; CR_ST_WORD(d, 0) = rol32(CR_ST_WORD(d, 0) ^ CR_ST_WORD(m, 1), 1); CR_ST_WORD(d, 1) = rol32(CR_ST_WORD(d, 1) ^ CR_ST_WORD(m, 2), 1); CR_ST_WORD(d, 2) = rol32(CR_ST_WORD(d, 2) ^ CR_ST_WORD(m, 3), 1); CR_ST_WORD(d, 3) = rol32(CR_ST_WORD(d, 3) ^ CR_ST_WORD(d, 0), 1); - env->vfp.regs[rd] = make_float64(d.l[0]); - env->vfp.regs[rd + 1] = make_float64(d.l[1]); + rd[0] = d.l[0]; + rd[1] = d.l[1]; } /* @@ -347,21 +328,14 @@ static uint32_t s1(uint32_t x) return ror32(x, 17) ^ ror32(x, 19) ^ (x >> 10); } -void HELPER(crypto_sha256h)(CPUARMState *env, uint32_t rd, uint32_t rn, - uint32_t rm) +void HELPER(crypto_sha256h)(void *vd, void *vn, void *vm) { - union CRYPTO_STATE d = { .l = { - float64_val(env->vfp.regs[rd]), - float64_val(env->vfp.regs[rd + 1]) - } }; - union CRYPTO_STATE n = { .l = { - float64_val(env->vfp.regs[rn]), - float64_val(env->vfp.regs[rn + 1]) - } }; - union CRYPTO_STATE m = { .l = { - float64_val(env->vfp.regs[rm]), - float64_val(env->vfp.regs[rm + 1]) - } }; + uint64_t *rd = vd; + uint64_t *rn = vn; + uint64_t *rm = vm; + union CRYPTO_STATE d = { .l = { rd[0], rd[1] } }; + union CRYPTO_STATE n = { .l = { rn[0], rn[1] } }; + union CRYPTO_STATE m = { .l = { rm[0], rm[1] } }; int i; for (i = 0; i < 4; i++) { @@ -383,25 +357,18 @@ void HELPER(crypto_sha256h)(CPUARMState *env, uint32_t rd, uint32_t rn, CR_ST_WORD(d, 0) = t; } - env->vfp.regs[rd] = make_float64(d.l[0]); - env->vfp.regs[rd + 1] = make_float64(d.l[1]); + rd[0] = d.l[0]; + rd[1] = d.l[1]; } -void HELPER(crypto_sha256h2)(CPUARMState *env, uint32_t rd, uint32_t rn, - uint32_t rm) +void HELPER(crypto_sha256h2)(void *vd, void *vn, void *vm) { - union CRYPTO_STATE d = { .l = { - float64_val(env->vfp.regs[rd]), - float64_val(env->vfp.regs[rd + 1]) - } }; - union CRYPTO_STATE n = { .l = { - float64_val(env->vfp.regs[rn]), - float64_val(env->vfp.regs[rn + 1]) - } }; - union CRYPTO_STATE m = { .l = { - float64_val(env->vfp.regs[rm]), - float64_val(env->vfp.regs[rm + 1]) - } }; + uint64_t *rd = vd; + uint64_t *rn = vn; + uint64_t *rm = vm; + union CRYPTO_STATE d = { .l = { rd[0], rd[1] } }; + union CRYPTO_STATE n = { .l = { rn[0], rn[1] } }; + union CRYPTO_STATE m = { .l = { rm[0], rm[1] } }; int i; for (i = 0; i < 4; i++) { @@ -415,51 +382,40 @@ void HELPER(crypto_sha256h2)(CPUARMState *env, uint32_t rd, uint32_t rn, CR_ST_WORD(d, 0) = CR_ST_WORD(n, 3 - i) + t; } - env->vfp.regs[rd] = make_float64(d.l[0]); - env->vfp.regs[rd + 1] = make_float64(d.l[1]); + rd[0] = d.l[0]; + rd[1] = d.l[1]; } -void HELPER(crypto_sha256su0)(CPUARMState *env, uint32_t rd, uint32_t rm) +void HELPER(crypto_sha256su0)(void *vd, void *vm) { - union CRYPTO_STATE d = { .l = { - float64_val(env->vfp.regs[rd]), - float64_val(env->vfp.regs[rd + 1]) - } }; - union CRYPTO_STATE m = { .l = { - float64_val(env->vfp.regs[rm]), - float64_val(env->vfp.regs[rm + 1]) - } }; + uint64_t *rd = vd; + uint64_t *rm = vm; + union CRYPTO_STATE d = { .l = { rd[0], rd[1] } }; + union CRYPTO_STATE m = { .l = { rm[0], rm[1] } }; CR_ST_WORD(d, 0) += s0(CR_ST_WORD(d, 1)); CR_ST_WORD(d, 1) += s0(CR_ST_WORD(d, 2)); CR_ST_WORD(d, 2) += s0(CR_ST_WORD(d, 3)); CR_ST_WORD(d, 3) += s0(CR_ST_WORD(m, 0)); - env->vfp.regs[rd] = make_float64(d.l[0]); - env->vfp.regs[rd + 1] = make_float64(d.l[1]); + rd[0] = d.l[0]; + rd[1] = d.l[1]; } -void HELPER(crypto_sha256su1)(CPUARMState *env, uint32_t rd, uint32_t rn, - uint32_t rm) +void HELPER(crypto_sha256su1)(void *vd, void *vn, void *vm) { - union CRYPTO_STATE d = { .l = { - float64_val(env->vfp.regs[rd]), - float64_val(env->vfp.regs[rd + 1]) - } }; - union CRYPTO_STATE n = { .l = { - float64_val(env->vfp.regs[rn]), - float64_val(env->vfp.regs[rn + 1]) - } }; - union CRYPTO_STATE m = { .l = { - float64_val(env->vfp.regs[rm]), - float64_val(env->vfp.regs[rm + 1]) - } }; + uint64_t *rd = vd; + uint64_t *rn = vn; + uint64_t *rm = vm; + union CRYPTO_STATE d = { .l = { rd[0], rd[1] } }; + union CRYPTO_STATE n = { .l = { rn[0], rn[1] } }; + union CRYPTO_STATE m = { .l = { rm[0], rm[1] } }; CR_ST_WORD(d, 0) += s1(CR_ST_WORD(m, 2)) + CR_ST_WORD(n, 1); CR_ST_WORD(d, 1) += s1(CR_ST_WORD(m, 3)) + CR_ST_WORD(n, 2); CR_ST_WORD(d, 2) += s1(CR_ST_WORD(d, 0)) + CR_ST_WORD(n, 3); CR_ST_WORD(d, 3) += s1(CR_ST_WORD(d, 1)) + CR_ST_WORD(m, 0); - env->vfp.regs[rd] = make_float64(d.l[0]); - env->vfp.regs[rd + 1] = make_float64(d.l[1]); + rd[0] = d.l[0]; + rd[1] = d.l[1]; } |