diff options
Diffstat (limited to 'target-arm/translate.c')
| -rw-r--r-- | target-arm/translate.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c index d499caa562..38ef5b19aa 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -4776,6 +4776,7 @@ static void gen_neon_narrow_op(int op, int u, int size, #define NEON_3R_VPMIN 21 #define NEON_3R_VQDMULH_VQRDMULH 22 #define NEON_3R_VPADD 23 +#define NEON_3R_SHA 24 /* SHA1C,SHA1P,SHA1M,SHA1SU0,SHA256H{2},SHA256SU1 */ #define NEON_3R_VFM 25 /* VFMA, VFMS : float fused multiply-add */ #define NEON_3R_FLOAT_ARITH 26 /* float VADD, VSUB, VPADD, VABD */ #define NEON_3R_FLOAT_MULTIPLY 27 /* float VMLA, VMLS, VMUL */ @@ -4809,6 +4810,7 @@ static const uint8_t neon_3r_sizes[] = { [NEON_3R_VPMIN] = 0x7, [NEON_3R_VQDMULH_VQRDMULH] = 0x6, [NEON_3R_VPADD] = 0x7, + [NEON_3R_SHA] = 0xf, /* size field encodes op type */ [NEON_3R_VFM] = 0x5, /* size bit 1 encodes op */ [NEON_3R_FLOAT_ARITH] = 0x5, /* size bit 1 encodes op */ [NEON_3R_FLOAT_MULTIPLY] = 0x5, /* size bit 1 encodes op */ @@ -4842,6 +4844,7 @@ static const uint8_t neon_3r_sizes[] = { #define NEON_2RM_VCEQ0 18 #define NEON_2RM_VCLE0 19 #define NEON_2RM_VCLT0 20 +#define NEON_2RM_SHA1H 21 #define NEON_2RM_VABS 22 #define NEON_2RM_VNEG 23 #define NEON_2RM_VCGT0_F 24 @@ -4858,6 +4861,7 @@ static const uint8_t neon_3r_sizes[] = { #define NEON_2RM_VMOVN 36 /* Includes VQMOVN, VQMOVUN */ #define NEON_2RM_VQMOVN 37 /* Includes VQMOVUN */ #define NEON_2RM_VSHLL 38 +#define NEON_2RM_SHA1SU1 39 /* Includes SHA256SU0 */ #define NEON_2RM_VRINTN 40 #define NEON_2RM_VRINTX 41 #define NEON_2RM_VRINTA 42 @@ -4918,6 +4922,7 @@ static const uint8_t neon_2rm_sizes[] = { [NEON_2RM_VCEQ0] = 0x7, [NEON_2RM_VCLE0] = 0x7, [NEON_2RM_VCLT0] = 0x7, + [NEON_2RM_SHA1H] = 0x4, [NEON_2RM_VABS] = 0x7, [NEON_2RM_VNEG] = 0x7, [NEON_2RM_VCGT0_F] = 0x4, @@ -4934,6 +4939,7 @@ static const uint8_t neon_2rm_sizes[] = { [NEON_2RM_VMOVN] = 0x7, [NEON_2RM_VQMOVN] = 0x7, [NEON_2RM_VSHLL] = 0x7, + [NEON_2RM_SHA1SU1] = 0x4, [NEON_2RM_VRINTN] = 0x4, [NEON_2RM_VRINTX] = 0x4, [NEON_2RM_VRINTA] = 0x4, @@ -5011,6 +5017,49 @@ static int disas_neon_data_insn(CPUARMState * env, DisasContext *s, uint32_t ins if (q && ((rd | rn | rm) & 1)) { return 1; } + /* + * The SHA-1/SHA-256 3-register instructions require special treatment + * here, as their size field is overloaded as an op type selector, and + * they all consume their input in a single pass. + */ + if (op == NEON_3R_SHA) { + if (!q) { + return 1; + } + if (!u) { /* SHA-1 */ + if (!arm_feature(env, ARM_FEATURE_V8_SHA1)) { + return 1; + } + tmp = tcg_const_i32(rd); + tmp2 = tcg_const_i32(rn); + tmp3 = tcg_const_i32(rm); + tmp4 = tcg_const_i32(size); + gen_helper_crypto_sha1_3reg(cpu_env, tmp, tmp2, tmp3, tmp4); + tcg_temp_free_i32(tmp4); + } else { /* SHA-256 */ + if (!arm_feature(env, ARM_FEATURE_V8_SHA256) || size == 3) { + return 1; + } + tmp = tcg_const_i32(rd); + tmp2 = tcg_const_i32(rn); + tmp3 = tcg_const_i32(rm); + switch (size) { + case 0: + gen_helper_crypto_sha256h(cpu_env, tmp, tmp2, tmp3); + break; + case 1: + gen_helper_crypto_sha256h2(cpu_env, tmp, tmp2, tmp3); + break; + case 2: + gen_helper_crypto_sha256su1(cpu_env, tmp, tmp2, tmp3); + break; + } + } + tcg_temp_free_i32(tmp); + tcg_temp_free_i32(tmp2); + tcg_temp_free_i32(tmp3); + return 0; + } if (size == 3 && op != NEON_3R_LOGIC) { /* 64-bit element instructions. */ for (pass = 0; pass < (q ? 2 : 1); pass++) { @@ -6486,6 +6535,41 @@ static int disas_neon_data_insn(CPUARMState * env, DisasContext *s, uint32_t ins tcg_temp_free_i32(tmp2); tcg_temp_free_i32(tmp3); break; + case NEON_2RM_SHA1H: + if (!arm_feature(env, ARM_FEATURE_V8_SHA1) + || ((rm | rd) & 1)) { + return 1; + } + tmp = tcg_const_i32(rd); + tmp2 = tcg_const_i32(rm); + + gen_helper_crypto_sha1h(cpu_env, tmp, tmp2); + + tcg_temp_free_i32(tmp); + tcg_temp_free_i32(tmp2); + break; + case NEON_2RM_SHA1SU1: + if ((rm | rd) & 1) { + return 1; + } + /* bit 6 (q): set -> SHA256SU0, cleared -> SHA1SU1 */ + if (q) { + if (!arm_feature(env, ARM_FEATURE_V8_SHA256)) { + return 1; + } + } else if (!arm_feature(env, ARM_FEATURE_V8_SHA1)) { + return 1; + } + tmp = tcg_const_i32(rd); + tmp2 = tcg_const_i32(rm); + if (q) { + gen_helper_crypto_sha256su0(cpu_env, tmp, tmp2); + } else { + gen_helper_crypto_sha1su1(cpu_env, tmp, tmp2); + } + tcg_temp_free_i32(tmp); + tcg_temp_free_i32(tmp2); + break; default: elementwise: for (pass = 0; pass < (q ? 4 : 2); pass++) { |