diff options
Diffstat (limited to 'target-ppc')
| -rw-r--r-- | target-ppc/helper.h | 6 | ||||
| -rw-r--r-- | target-ppc/int_helper.c | 280 | ||||
| -rw-r--r-- | target-ppc/translate.c | 29 |
3 files changed, 315 insertions, 0 deletions
diff --git a/target-ppc/helper.h b/target-ppc/helper.h index ef6aa58..93e549e 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -316,6 +316,12 @@ DEF_HELPER_3(vpmsumh, void, avr, avr, avr) DEF_HELPER_3(vpmsumw, void, avr, avr, avr) DEF_HELPER_3(vpmsumd, void, avr, avr, avr) +DEF_HELPER_2(vsbox, void, avr, avr) +DEF_HELPER_3(vcipher, void, avr, avr, avr) +DEF_HELPER_3(vcipherlast, void, avr, avr, avr) +DEF_HELPER_3(vncipher, void, avr, avr, avr) +DEF_HELPER_3(vncipherlast, void, avr, avr, avr) + DEF_HELPER_4(bcdadd, i32, avr, avr, avr, i32) DEF_HELPER_4(bcdsub, i32, avr, avr, avr, i32) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index ce7c6a0..cd04e8a 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -2338,6 +2338,286 @@ uint32_t helper_bcdsub(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) return helper_bcdadd(r, a, &bcopy, ps); } +static uint8_t SBOX[256] = { +0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, +0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76, +0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, +0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0, +0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, +0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15, +0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, +0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75, +0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, +0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84, +0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, +0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF, +0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, +0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8, +0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, +0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2, +0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, +0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73, +0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, +0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB, +0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, +0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79, +0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, +0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08, +0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, +0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A, +0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, +0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E, +0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, +0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF, +0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, +0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16, +}; + +static void SubBytes(ppc_avr_t *r, ppc_avr_t *a) +{ + int i; + VECTOR_FOR_INORDER_I(i, u8) { + r->u8[i] = SBOX[a->u8[i]]; + } +} + +static uint8_t InvSBOX[256] = { +0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, +0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB, +0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87, +0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB, +0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D, +0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E, +0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, +0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25, +0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16, +0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92, +0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA, +0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84, +0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, +0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06, +0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02, +0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B, +0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA, +0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73, +0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, +0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E, +0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89, +0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B, +0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20, +0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4, +0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, +0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F, +0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D, +0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF, +0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0, +0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61, +0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, +0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D, +}; + +static void InvSubBytes(ppc_avr_t *r, ppc_avr_t *a) +{ + int i; + VECTOR_FOR_INORDER_I(i, u8) { + r->u8[i] = InvSBOX[a->u8[i]]; + } +} + +static uint8_t ROTL8(uint8_t x, int n) +{ + return (x << n) | (x >> (8-n)); +} + +static inline int BIT8(uint8_t x, int n) +{ + return (x & (0x80 >> n)) != 0; +} + +static uint8_t GFx02(uint8_t x) +{ + return ROTL8(x, 1) ^ (BIT8(x, 0) ? 0x1A : 0); +} + +static uint8_t GFx03(uint8_t x) +{ + return x ^ ROTL8(x, 1) ^ (BIT8(x, 0) ? 0x1A : 0); +} + +static uint8_t GFx09(uint8_t x) +{ + uint8_t term2 = ROTL8(x, 3); + uint8_t term3 = (BIT8(x, 0) ? 0x68 : 0) | (BIT8(x, 1) ? 0x14 : 0) | + (BIT8(x, 2) ? 0x02 : 0); + uint8_t term4 = (BIT8(x, 1) ? 0x20 : 0) | (BIT8(x, 2) ? 0x18 : 0); + return x ^ term2 ^ term3 ^ term4; +} + +static uint8_t GFx0B(uint8_t x) +{ + uint8_t term2 = ROTL8(x, 1); + uint8_t term3 = (x << 3) | (BIT8(x, 0) ? 0x06 : 0) | + (BIT8(x, 2) ? 0x01 : 0); + uint8_t term4 = (BIT8(x, 0) ? 0x70 : 0) | (BIT8(x, 1) ? 0x06 : 0) | + (BIT8(x, 2) ? 0x08 : 0); + uint8_t term5 = (BIT8(x, 1) ? 0x30 : 0) | (BIT8(x, 2) ? 0x02 : 0); + uint8_t term6 = BIT8(x, 2) ? 0x10 : 0; + return x ^ term2 ^ term3 ^ term4 ^ term5 ^ term6; +} + +static uint8_t GFx0D(uint8_t x) +{ + uint8_t term2 = ROTL8(x, 2); + uint8_t term3 = (x << 3) | (BIT8(x, 1) ? 0x04 : 0) | + (BIT8(x, 2) ? 0x03 : 0); + uint8_t term4 = (BIT8(x, 0) ? 0x58 : 0) | (BIT8(x, 1) ? 0x20 : 0); + uint8_t term5 = (BIT8(x, 1) ? 0x08 : 0) | (BIT8(x, 2) ? 0x10 : 0); + uint8_t term6 = BIT8(x, 2) ? 0x08 : 0; + return x ^ term2 ^ term3 ^ term4 ^ term5 ^ term6; +} + +static uint8_t GFx0E(uint8_t x) +{ + uint8_t term1 = ROTL8(x, 1); + uint8_t term2 = (x << 2) | (BIT8(x, 2) ? 0x02 : 0) | + (BIT8(x, 1) ? 0x01 : 0); + uint8_t term3 = (x << 3) | (BIT8(x, 1) ? 0x04 : 0) | + (BIT8(x, 2) ? 0x01 : 0); + uint8_t term4 = (BIT8(x, 0) ? 0x40 : 0) | (BIT8(x, 1) ? 0x28 : 0) | + (BIT8(x, 2) ? 0x10 : 0); + uint8_t term5 = (BIT8(x, 2) ? 0x08 : 0); + return term1 ^ term2 ^ term3 ^ term4 ^ term5; +} + +#if defined(HOST_WORDS_BIGENDIAN) +#define MCB(x, i, b) ((x)->u8[(i)*4 + (b)]) +#else +#define MCB(x, i, b) ((x)->u8[15 - ((i)*4 + (b))]) +#endif + +static void MixColumns(ppc_avr_t *r, ppc_avr_t *x) +{ + int i; + for (i = 0; i < 4; i++) { + MCB(r, i, 0) = GFx02(MCB(x, i, 0)) ^ GFx03(MCB(x, i, 1)) ^ + MCB(x, i, 2) ^ MCB(x, i, 3); + MCB(r, i, 1) = MCB(x, i, 0) ^ GFx02(MCB(x, i, 1)) ^ + GFx03(MCB(x, i, 2)) ^ MCB(x, i, 3); + MCB(r, i, 2) = MCB(x, i, 0) ^ MCB(x, i, 1) ^ + GFx02(MCB(x, i, 2)) ^ GFx03(MCB(x, i, 3)); + MCB(r, i, 3) = GFx03(MCB(x, i, 0)) ^ MCB(x, i, 1) ^ + MCB(x, i, 2) ^ GFx02(MCB(x, i, 3)); + } +} + +static void InvMixColumns(ppc_avr_t *r, ppc_avr_t *x) +{ + int i; + for (i = 0; i < 4; i++) { + MCB(r, i, 0) = GFx0E(MCB(x, i, 0)) ^ GFx0B(MCB(x, i, 1)) ^ + GFx0D(MCB(x, i, 2)) ^ GFx09(MCB(x, i, 3)); + MCB(r, i, 1) = GFx09(MCB(x, i, 0)) ^ GFx0E(MCB(x, i, 1)) ^ + GFx0B(MCB(x, i, 2)) ^ GFx0D(MCB(x, i, 3)); + MCB(r, i, 2) = GFx0D(MCB(x, i, 0)) ^ GFx09(MCB(x, i, 1)) ^ + GFx0E(MCB(x, i, 2)) ^ GFx0B(MCB(x, i, 3)); + MCB(r, i, 3) = GFx0B(MCB(x, i, 0)) ^ GFx0D(MCB(x, i, 1)) ^ + GFx09(MCB(x, i, 2)) ^ GFx0E(MCB(x, i, 3)); + } +} + +static void ShiftRows(ppc_avr_t *r, ppc_avr_t *x) +{ + MCB(r, 0, 0) = MCB(x, 0, 0); + MCB(r, 1, 0) = MCB(x, 1, 0); + MCB(r, 2, 0) = MCB(x, 2, 0); + MCB(r, 3, 0) = MCB(x, 3, 0); + + MCB(r, 0, 1) = MCB(x, 1, 1); + MCB(r, 1, 1) = MCB(x, 2, 1); + MCB(r, 2, 1) = MCB(x, 3, 1); + MCB(r, 3, 1) = MCB(x, 0, 1); + + MCB(r, 0, 2) = MCB(x, 2, 2); + MCB(r, 1, 2) = MCB(x, 3, 2); + MCB(r, 2, 2) = MCB(x, 0, 2); + MCB(r, 3, 2) = MCB(x, 1, 2); + + MCB(r, 0, 3) = MCB(x, 3, 3); + MCB(r, 1, 3) = MCB(x, 0, 3); + MCB(r, 2, 3) = MCB(x, 1, 3); + MCB(r, 3, 3) = MCB(x, 2, 3); +} + +static void InvShiftRows(ppc_avr_t *r, ppc_avr_t *x) +{ + MCB(r, 0, 0) = MCB(x, 0, 0); + MCB(r, 1, 0) = MCB(x, 1, 0); + MCB(r, 2, 0) = MCB(x, 2, 0); + MCB(r, 3, 0) = MCB(x, 3, 0); + + MCB(r, 0, 1) = MCB(x, 3, 1); + MCB(r, 1, 1) = MCB(x, 0, 1); + MCB(r, 2, 1) = MCB(x, 1, 1); + MCB(r, 3, 1) = MCB(x, 2, 1); + + MCB(r, 0, 2) = MCB(x, 2, 2); + MCB(r, 1, 2) = MCB(x, 3, 2); + MCB(r, 2, 2) = MCB(x, 0, 2); + MCB(r, 3, 2) = MCB(x, 1, 2); + + MCB(r, 0, 3) = MCB(x, 1, 3); + MCB(r, 1, 3) = MCB(x, 2, 3); + MCB(r, 2, 3) = MCB(x, 3, 3); + MCB(r, 3, 3) = MCB(x, 0, 3); +} + +#undef MCB + +void helper_vsbox(ppc_avr_t *r, ppc_avr_t *a) +{ + SubBytes(r, a); +} + +void helper_vcipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) +{ + ppc_avr_t vtemp1, vtemp2, vtemp3; + SubBytes(&vtemp1, a); + ShiftRows(&vtemp2, &vtemp1); + MixColumns(&vtemp3, &vtemp2); + r->u64[0] = vtemp3.u64[0] ^ b->u64[0]; + r->u64[1] = vtemp3.u64[1] ^ b->u64[1]; +} + +void helper_vcipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) +{ + ppc_avr_t vtemp1, vtemp2; + SubBytes(&vtemp1, a); + ShiftRows(&vtemp2, &vtemp1); + r->u64[0] = vtemp2.u64[0] ^ b->u64[0]; + r->u64[1] = vtemp2.u64[1] ^ b->u64[1]; +} + +void helper_vncipher(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) +{ + /* This differs from what is written in ISA V2.07. The RTL is */ + /* incorrect and will be fixed in V2.07B. */ + ppc_avr_t vtemp1, vtemp2, vtemp3; + InvShiftRows(&vtemp1, a); + InvSubBytes(&vtemp2, &vtemp1); + vtemp3.u64[0] = vtemp2.u64[0] ^ b->u64[0]; + vtemp3.u64[1] = vtemp2.u64[1] ^ b->u64[1]; + InvMixColumns(r, &vtemp3); +} + +void helper_vncipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) +{ + ppc_avr_t vtemp1, vtemp2; + InvShiftRows(&vtemp1, a); + InvSubBytes(&vtemp2, &vtemp1); + r->u64[0] = vtemp2.u64[0] ^ b->u64[0]; + r->u64[1] = vtemp2.u64[1] ^ b->u64[1]; +} + #undef VECTOR_FOR_INORDER_I #undef HI_IDX #undef LO_IDX diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 2b46cd6..0d43b1c 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -7414,6 +7414,30 @@ GEN_VXFORM_DUAL(vsubuhm, PPC_ALTIVEC, PPC_NONE, \ GEN_VXFORM_DUAL(vsubuhs, PPC_ALTIVEC, PPC_NONE, \ bcdsub, PPC_NONE, PPC2_ALTIVEC_207) +static void gen_vsbox(DisasContext *ctx) +{ + TCGv_ptr ra, rd; + if (unlikely(!ctx->altivec_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VPU); + return; + } + ra = gen_avr_ptr(rA(ctx->opcode)); + rd = gen_avr_ptr(rD(ctx->opcode)); + gen_helper_vsbox(rd, ra); + tcg_temp_free_ptr(ra); + tcg_temp_free_ptr(rd); +} + +GEN_VXFORM(vcipher, 4, 20) +GEN_VXFORM(vcipherlast, 4, 20) +GEN_VXFORM(vncipher, 4, 21) +GEN_VXFORM(vncipherlast, 4, 21) + +GEN_VXFORM_DUAL(vcipher, PPC_NONE, PPC2_ALTIVEC_207, + vcipherlast, PPC_NONE, PPC2_ALTIVEC_207) +GEN_VXFORM_DUAL(vncipher, PPC_NONE, PPC2_ALTIVEC_207, + vncipherlast, PPC_NONE, PPC2_ALTIVEC_207) + /*** VSX extension ***/ static inline TCGv_i64 cpu_vsrh(int n) @@ -10669,6 +10693,11 @@ GEN_VXFORM_207(vpmsumh, 4, 17), GEN_VXFORM_207(vpmsumw, 4, 18), GEN_VXFORM_207(vpmsumd, 4, 19), +GEN_VXFORM_207(vsbox, 4, 23), + +GEN_VXFORM_DUAL(vcipher, vcipherlast, 4, 20, PPC_NONE, PPC2_ALTIVEC_207), +GEN_VXFORM_DUAL(vncipher, vncipherlast, 4, 21, PPC_NONE, PPC2_ALTIVEC_207), + GEN_HANDLER_E(lxsdx, 0x1F, 0x0C, 0x12, 0, PPC_NONE, PPC2_VSX), GEN_HANDLER_E(lxsiwax, 0x1F, 0x0C, 0x02, 0, PPC_NONE, PPC2_VSX207), GEN_HANDLER_E(lxsiwzx, 0x1F, 0x0C, 0x00, 0, PPC_NONE, PPC2_VSX207), |