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target/mips: add Octeon SNOW3G COP2 helpers
Add helper support for the Octeon SNOW3G START and MORE selectors. The engine state and result are represented through the architectural HSH IV and DAT register banks that SNOW3G aliases for save and restore. Signed-off-by: James Hilliard <james.hilliard1@gmail.com> Message-ID: <20260608-mips-octeon-missing-insns-v2-v16-7-daef7a0d8b04@gmail.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@oss.qualcomm.com>
This commit is contained in:
James Hilliard
committed by
Philippe Mathieu-Daudé
Philippe Mathieu-Daudé
parent
27ab71de26
commit
e3ba2fd89c
@@ -50,6 +50,8 @@ DEF_HELPER_2(octeon_cp2_mt_gfm_xormul1, void, env, i64)
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DEF_HELPER_1(octeon_cp2_mt_sha3_startop, void, env)
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DEF_HELPER_2(octeon_cp2_mt_zuc_start, void, env, i64)
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DEF_HELPER_2(octeon_cp2_mt_zuc_more, void, env, i64)
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DEF_HELPER_2(octeon_cp2_mt_snow3g_start, void, env, i64)
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DEF_HELPER_2(octeon_cp2_mt_snow3g_more, void, env, i64)
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/* microMIPS functions */
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DEF_HELPER_4(lwm, void, env, tl, tl, i32)
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@@ -251,6 +251,11 @@ static uint32_t octeon_crypto_lo32(uint64_t value)
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return value;
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}
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static uint64_t octeon_crypto_pack32(uint32_t hi, uint32_t lo)
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{
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return ((uint64_t)hi << 32) | lo;
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}
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static const uint8_t octeon_zuc_s0[256] = {
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0x3e, 0x72, 0x5b, 0x47, 0xca, 0xe0, 0x00, 0x33,
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0x04, 0xd1, 0x54, 0x98, 0x09, 0xb9, 0x6d, 0xcb,
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@@ -569,6 +574,283 @@ static void octeon_zuc_more(MIPSOcteonCryptoState *crypto, uint64_t data)
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octeon_zuc_advance_window(crypto, z2);
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}
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static const uint8_t octeon_snow3g_sr[256] = {
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0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,
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0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
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0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
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0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
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0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,
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0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
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0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,
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0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
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0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
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0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
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0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
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0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
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0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
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0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
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0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
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0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
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0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,
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0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
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0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,
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0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
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0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
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0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
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0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,
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0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
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0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,
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0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
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0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
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0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
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0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,
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0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
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0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,
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0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16,
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};
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static const uint8_t octeon_snow3g_sq[256] = {
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0x25, 0x24, 0x73, 0x67, 0xd7, 0xae, 0x5c, 0x30,
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0xa4, 0xee, 0x6e, 0xcb, 0x7d, 0xb5, 0x82, 0xdb,
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0xe4, 0x8e, 0x48, 0x49, 0x4f, 0x5d, 0x6a, 0x78,
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0x70, 0x88, 0xe8, 0x5f, 0x5e, 0x84, 0x65, 0xe2,
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0xd8, 0xe9, 0xcc, 0xed, 0x40, 0x2f, 0x11, 0x28,
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0x57, 0xd2, 0xac, 0xe3, 0x4a, 0x15, 0x1b, 0xb9,
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0xb2, 0x80, 0x85, 0xa6, 0x2e, 0x02, 0x47, 0x29,
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0x07, 0x4b, 0x0e, 0xc1, 0x51, 0xaa, 0x89, 0xd4,
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0xca, 0x01, 0x46, 0xb3, 0xef, 0xdd, 0x44, 0x7b,
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0xc2, 0x7f, 0xbe, 0xc3, 0x9f, 0x20, 0x4c, 0x64,
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0x83, 0xa2, 0x68, 0x42, 0x13, 0xb4, 0x41, 0xcd,
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0xba, 0xc6, 0xbb, 0x6d, 0x4d, 0x71, 0x21, 0xf4,
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0x8d, 0xb0, 0xe5, 0x93, 0xfe, 0x8f, 0xe6, 0xcf,
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0x43, 0x45, 0x31, 0x22, 0x37, 0x36, 0x96, 0xfa,
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0xbc, 0x0f, 0x08, 0x52, 0x1d, 0x55, 0x1a, 0xc5,
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0x4e, 0x23, 0x69, 0x7a, 0x92, 0xff, 0x5b, 0x5a,
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0xeb, 0x9a, 0x1c, 0xa9, 0xd1, 0x7e, 0x0d, 0xfc,
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0x50, 0x8a, 0xb6, 0x62, 0xf5, 0x0a, 0xf8, 0xdc,
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0x03, 0x3c, 0x0c, 0x39, 0xf1, 0xb8, 0xf3, 0x3d,
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0xf2, 0xd5, 0x97, 0x66, 0x81, 0x32, 0xa0, 0x00,
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0x06, 0xce, 0xf6, 0xea, 0xb7, 0x17, 0xf7, 0x8c,
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0x79, 0xd6, 0xa7, 0xbf, 0x8b, 0x3f, 0x1f, 0x53,
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0x63, 0x75, 0x35, 0x2c, 0x60, 0xfd, 0x27, 0xd3,
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0x94, 0xa5, 0x7c, 0xa1, 0x05, 0x58, 0x2d, 0xbd,
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0xd9, 0xc7, 0xaf, 0x6b, 0x54, 0x0b, 0xe0, 0x38,
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0x04, 0xc8, 0x9d, 0xe7, 0x14, 0xb1, 0x87, 0x9c,
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0xdf, 0x6f, 0xf9, 0xda, 0x2a, 0xc4, 0x59, 0x16,
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0x74, 0x91, 0xab, 0x26, 0x61, 0x76, 0x34, 0x2b,
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0xad, 0x99, 0xfb, 0x72, 0xec, 0x33, 0x12, 0xde,
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0x98, 0x3b, 0xc0, 0x9b, 0x3e, 0x18, 0x10, 0x3a,
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0x56, 0xe1, 0x77, 0xc9, 0x1e, 0x9e, 0x95, 0xa3,
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0x90, 0x19, 0xa8, 0x6c, 0x09, 0xd0, 0xf0, 0x86,
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};
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static uint8_t octeon_snow3g_mulx(uint8_t v, uint8_t c)
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{
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return (v & 0x80) ? ((v << 1) ^ c) : (v << 1);
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}
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static uint8_t octeon_snow3g_mulxpow(uint8_t v, unsigned int n, uint8_t c)
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{
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while (n-- > 0) {
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v = octeon_snow3g_mulx(v, c);
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}
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return v;
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}
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static uint32_t octeon_snow3g_pack32(uint8_t b0, uint8_t b1,
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uint8_t b2, uint8_t b3)
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{
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return ((uint32_t)b0 << 24)
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| ((uint32_t)b1 << 16)
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| ((uint32_t)b2 << 8)
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| b3;
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}
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static uint32_t octeon_snow3g_mulalpha(uint8_t c)
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{
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return octeon_snow3g_pack32(octeon_snow3g_mulxpow(c, 23, 0xa9),
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octeon_snow3g_mulxpow(c, 245, 0xa9),
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octeon_snow3g_mulxpow(c, 48, 0xa9),
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octeon_snow3g_mulxpow(c, 239, 0xa9));
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}
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static uint32_t octeon_snow3g_divalpha(uint8_t c)
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{
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return octeon_snow3g_pack32(octeon_snow3g_mulxpow(c, 16, 0xa9),
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octeon_snow3g_mulxpow(c, 39, 0xa9),
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octeon_snow3g_mulxpow(c, 6, 0xa9),
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octeon_snow3g_mulxpow(c, 64, 0xa9));
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}
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static uint32_t octeon_snow3g_s1(uint32_t w)
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{
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uint8_t x0 = octeon_snow3g_sr[w >> 24];
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uint8_t x1 = octeon_snow3g_sr[(uint8_t)(w >> 16)];
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uint8_t x2 = octeon_snow3g_sr[(uint8_t)(w >> 8)];
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uint8_t x3 = octeon_snow3g_sr[(uint8_t)w];
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uint8_t r0 = octeon_snow3g_mulx(x0, 0x1b) ^ x1 ^ x2 ^
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octeon_snow3g_mulx(x3, 0x1b) ^ x3;
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uint8_t r1 = octeon_snow3g_mulx(x0, 0x1b) ^ x0 ^
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octeon_snow3g_mulx(x1, 0x1b) ^ x2 ^ x3;
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uint8_t r2 = x0 ^ octeon_snow3g_mulx(x1, 0x1b) ^ x1 ^
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octeon_snow3g_mulx(x2, 0x1b) ^ x3;
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uint8_t r3 = x0 ^ x1 ^ octeon_snow3g_mulx(x2, 0x1b) ^ x2 ^
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octeon_snow3g_mulx(x3, 0x1b);
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return octeon_snow3g_pack32(r0, r1, r2, r3);
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}
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static uint32_t octeon_snow3g_s2(uint32_t w)
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{
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uint8_t x0 = octeon_snow3g_sq[w >> 24];
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uint8_t x1 = octeon_snow3g_sq[(uint8_t)(w >> 16)];
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uint8_t x2 = octeon_snow3g_sq[(uint8_t)(w >> 8)];
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uint8_t x3 = octeon_snow3g_sq[(uint8_t)w];
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uint8_t r0 = octeon_snow3g_mulx(x0, 0x69) ^ x1 ^ x2 ^
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octeon_snow3g_mulx(x3, 0x69) ^ x3;
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uint8_t r1 = octeon_snow3g_mulx(x0, 0x69) ^ x0 ^
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octeon_snow3g_mulx(x1, 0x69) ^ x2 ^ x3;
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uint8_t r2 = x0 ^ octeon_snow3g_mulx(x1, 0x69) ^ x1 ^
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octeon_snow3g_mulx(x2, 0x69) ^ x3;
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uint8_t r3 = x0 ^ x1 ^ octeon_snow3g_mulx(x2, 0x69) ^ x2 ^
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octeon_snow3g_mulx(x3, 0x69);
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return octeon_snow3g_pack32(r0, r1, r2, r3);
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}
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static uint32_t octeon_snow3g_lfsr(const MIPSOcteonCryptoState *crypto,
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unsigned int index)
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{
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uint64_t pair = crypto->hsh_dat[index / 2];
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return index & 1 ? octeon_crypto_lo32(pair) : octeon_crypto_hi32(pair);
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}
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static void octeon_snow3g_set_lfsr(MIPSOcteonCryptoState *crypto,
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unsigned int index, uint32_t value)
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{
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uint32_t hi = octeon_crypto_hi32(crypto->hsh_dat[index / 2]);
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uint32_t lo = octeon_crypto_lo32(crypto->hsh_dat[index / 2]);
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if (index & 1) {
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lo = value;
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} else {
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hi = value;
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}
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crypto->hsh_dat[index / 2] = octeon_crypto_pack32(hi, lo);
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}
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static uint32_t octeon_snow3g_fsm(const MIPSOcteonCryptoState *crypto,
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unsigned int index)
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{
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return crypto->hsh_iv[1 + index];
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}
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static void octeon_snow3g_set_fsm(MIPSOcteonCryptoState *crypto,
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unsigned int index, uint32_t value)
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{
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crypto->hsh_iv[1 + index] = value;
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}
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static uint32_t octeon_snow3g_clock_fsm(MIPSOcteonCryptoState *crypto)
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{
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uint32_t fsm0 = octeon_snow3g_fsm(crypto, 0);
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uint32_t fsm1 = octeon_snow3g_fsm(crypto, 1);
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uint32_t fsm2 = octeon_snow3g_fsm(crypto, 2);
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uint32_t f = (uint32_t)(octeon_snow3g_lfsr(crypto, 15) + fsm0) ^ fsm1;
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uint32_t r = (uint32_t)(fsm1 + (fsm2 ^ octeon_snow3g_lfsr(crypto, 5)));
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octeon_snow3g_set_fsm(crypto, 2, octeon_snow3g_s2(fsm1));
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octeon_snow3g_set_fsm(crypto, 1, octeon_snow3g_s1(fsm0));
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octeon_snow3g_set_fsm(crypto, 0, r);
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return f;
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}
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static void octeon_snow3g_clock_lfsr(MIPSOcteonCryptoState *crypto,
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bool init_mode, uint32_t f)
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{
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uint32_t lfsr[16];
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uint32_t s0;
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uint32_t s11;
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uint32_t v;
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int i;
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for (i = 0; i < 16; i++) {
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lfsr[i] = octeon_snow3g_lfsr(crypto, i);
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}
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s0 = lfsr[0];
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s11 = lfsr[11];
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v = (s0 << 8) ^ octeon_snow3g_mulalpha(s0 >> 24) ^
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lfsr[2] ^ (s11 >> 8) ^ octeon_snow3g_divalpha((uint8_t)s11);
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if (init_mode) {
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v ^= f;
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}
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for (i = 0; i < 15; i++) {
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octeon_snow3g_set_lfsr(crypto, i, lfsr[i + 1]);
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}
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octeon_snow3g_set_lfsr(crypto, 15, v);
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}
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static uint32_t octeon_snow3g_generate_word(MIPSOcteonCryptoState *crypto)
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{
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uint32_t f = octeon_snow3g_clock_fsm(crypto);
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uint32_t z = f ^ octeon_snow3g_lfsr(crypto, 0);
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octeon_snow3g_clock_lfsr(crypto, false, 0);
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return z;
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}
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static void octeon_snow3g_queue_result(MIPSOcteonCryptoState *crypto)
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{
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uint32_t z0 = octeon_snow3g_generate_word(crypto);
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uint32_t z1 = octeon_snow3g_generate_word(crypto);
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crypto->hsh_iv[0] = octeon_crypto_pack32(z0, z1);
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}
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static void octeon_snow3g_start(MIPSOcteonCryptoState *crypto, uint64_t data)
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{
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int i;
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for (i = 0; i < 14; i++) {
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octeon_snow3g_set_lfsr(crypto, i, octeon_snow3g_lfsr(crypto, i));
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}
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octeon_snow3g_set_lfsr(crypto, 14, data >> 32);
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octeon_snow3g_set_lfsr(crypto, 15, data);
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for (i = 0; i < 3; i++) {
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octeon_snow3g_set_fsm(crypto, i, 0);
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}
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for (i = 0; i < 32; i++) {
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uint32_t f = octeon_snow3g_clock_fsm(crypto);
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octeon_snow3g_clock_lfsr(crypto, true, f);
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}
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(void)octeon_snow3g_clock_fsm(crypto);
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octeon_snow3g_clock_lfsr(crypto, false, 0);
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octeon_snow3g_queue_result(crypto);
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}
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static void octeon_snow3g_more(MIPSOcteonCryptoState *crypto)
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{
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octeon_snow3g_queue_result(crypto);
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}
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void helper_octeon_cp2_mt_snow3g_start(CPUMIPSState *env, uint64_t value)
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{
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octeon_snow3g_start(&env->octeon_crypto, value);
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}
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void helper_octeon_cp2_mt_snow3g_more(CPUMIPSState *env, uint64_t value)
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{
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(void)value;
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octeon_snow3g_more(&env->octeon_crypto);
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}
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void helper_octeon_cp2_mt_zuc_start(CPUMIPSState *env, uint64_t value)
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{
|
||||
octeon_zuc_start(&env->octeon_crypto, value);
|
||||
|
||||
Reference in New Issue
Block a user