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|
/* microcode.c: Microcode update for PIII and later CPUS
*
*/
#include <console/console.h>
#include <mem.h>
#include <cpu/p6/msr.h>
#include <cpu/p5/cpuid.h>
#include <cpu/k8/mtrr.h>
#include <device/device.h>
#include <device/chip.h>
struct microcode {
unsigned int hdrver;
unsigned int rev;
unsigned int date;
unsigned int sig;
unsigned int cksum;
unsigned int ldrver;
unsigned int pf;
unsigned int reserved[5];
unsigned int bits[500];
};
unsigned int microcode_updates [] = {
/*
Copyright Intel Corporation, 1995, 96, 97, 98, 99, 2000.
These microcode updates are distributed for the sole purpose of
installation in the BIOS or Operating System of computer systems
which include an Intel P6 family microprocessor sold or distributed
to or by you. You are authorized to copy and install this material
on such systems. You are not authorized to use this material for
any other purpose.
*/
/* MU16830c.inc */
0x00000001, 0x0000000c, 0x01102000, 0x00000683,
0xb1605bca, 0x00000001, 0x00000001, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x7d021266, 0xd3890df1, 0x08a3a61b, 0x3c9bd396,
0x516b77d0, 0xf119ce39, 0xd63a44b0, 0x523efada,
0x1a0c3ed7, 0x04711f21, 0x515f945e, 0xbb5f13ba,
0x254eabfc, 0x5bd1e959, 0x67373898, 0x61605a8f,
0x6ea7c5a9, 0x5e64a058, 0xc0a019ee, 0x56af4cfe,
0x1acd6406, 0x4e7eb040, 0xf2ebd7ef, 0xc659db4f,
0xfe77108b, 0xfdceb47b, 0xf0757eb8, 0xb1622949,
0xdceb744b, 0x19e2ad26, 0xe9c745ab, 0xb385f196,
0x9ecc3483, 0x0a126045, 0x5320d6be, 0x8557a583,
0x7faf0073, 0x5ab281b4, 0x34dbbac6, 0x8a0bc7cd,
0x52584248, 0x3c3ef309, 0x41403737, 0x8200991d,
0x7e0dfb86, 0xea1e3a8f, 0x5b87ca8a, 0x004be481,
0x74e9fd6f, 0x80d518d6, 0xf10672c8, 0x2b8936b5,
0xd7092242, 0xbaa950a4, 0xaa6a2305, 0xeccbb48b,
0x43f6b561, 0x8607570a, 0x6143ba7b, 0x4c534447,
0x45d97f76, 0x0ccf7b83, 0xd89482bd, 0x32c46a60,
0x6db7b842, 0x0f7ad008, 0x4ce4968c, 0x2af52761,
0x26a2a653, 0x5806f996, 0xfe844901, 0x6164e754,
0xaf9287ab, 0x1f495a8d, 0x6cd70b5e, 0x681df673,
0xc94dc88f, 0x4b9650f8, 0xdfc826d9, 0xb5710e59,
0x80ed0f08, 0x615ce9c2, 0x0864130d, 0xc604520e,
0x9be149db, 0xeefb463f, 0x15b7e000, 0xc3bf13ab,
0x29d75556, 0x99420678, 0x505b5858, 0x6dadaeae,
0xf87f8f56, 0xe9be5867, 0xd772475a, 0x0a4642c0,
0xc59b2b86, 0x9e0f0a7f, 0x4c54834f, 0xb39f1d7c,
0xd52dac56, 0x1fdde74b, 0x60fddc1c, 0x367321f1,
0x98a7c9bd, 0x9a7896d2, 0x8d1f200b, 0x7975e907,
0x0e7d4411, 0x1671c027, 0x438550a2, 0x385dfc21,
0xb26c638d, 0x9b43b0d2, 0x03a0512d, 0x6b195c14,
0x9db53322, 0x78512b73, 0x86714a5b, 0x9b900bb3,
0xdbd702f9, 0xcdb985cb, 0x1033fd1e, 0xc75ed099,
0x8a8c99fc, 0x12c5b949, 0x913249a0, 0xbd40f4b1,
0x87406189, 0x977927e0, 0x76915a37, 0x79ffa5f2,
0x5e1812b8, 0x8e7eb819, 0x6bfc46a5, 0x8d80c798,
0x56d5a7ec, 0x5904350a, 0x82a1b59a, 0x27c64a52,
0x4effaac0, 0x8e1519ec, 0x29ffed29, 0x3eaccc55,
0x823e79c1, 0xdb5f2295, 0xb6ab9c23, 0xb301f2c5,
0xe17f14f3, 0xf4e8892a, 0x107c9db8, 0x6a8a8ff4,
0xaf9df422, 0xb14bd8f4, 0x00fa2a4c, 0x15324701,
0x95e86a3b, 0xf74566e1, 0x386a788f, 0x9333e875,
0xdea61190, 0x307a5338, 0xd9cec152, 0xe77165da,
0x54187a14, 0x9a7d99bf, 0x4b31e986, 0x7d7ed557,
0x626bb548, 0x434c4a78, 0x562b1588, 0xe0d15f63,
0x524473f7, 0x484459e1, 0xbe617125, 0xb96f7eb8,
0xb86620f7, 0xcc1e09b1, 0x7ad3b154, 0xae1f697e,
0x11d0bfb1, 0xb1218568, 0x83a44b34, 0xeecec8bc,
0xa06b01d8, 0xccadf143, 0xe1f9702c, 0x1e7c3d0d,
0xd907d836, 0x780b3a02, 0x9a5e81fa, 0x0015cf61,
0xbd148c0c, 0x84a65389, 0x99e77502, 0x0d630a94,
0xd7f97779, 0x75567907, 0xa859be05, 0x8baab7b7,
0x4f1a8101, 0x9992f951, 0xdd918c8a, 0x12b3ca17,
0x117358b4, 0xf27a4783, 0xe3363be6, 0x3847f05d,
0xb642595a, 0x4fbb98ae, 0xd6259c55, 0x3c72ff94,
0xa9c3e102, 0x256e26c1, 0x2faf190b, 0xaaa1d198,
0x8e25fc06, 0x8aa6fc5d, 0x9b994d46, 0x15045f23,
0x23813558, 0x0173ef1b, 0xe4198a76, 0x36aa0de4,
0x341d7595, 0xe186740f, 0xec371375, 0x1a4cabbe,
0x6241897f, 0x388bd888, 0x2542e1f7, 0x61620df5,
0x209f9d94, 0xca90f89b, 0x286a3e92, 0xea1cc30f,
0x838ba96f, 0x4f0239d3, 0xf295395e, 0xb3c38631,
0x7ea7a143, 0x157a4e43, 0x46f8173f, 0xfbc18d4a,
0xc401e17a, 0xc4620358, 0xd2ab5437, 0xa01db06f,
0x58ce91fc, 0x850de1a3, 0x9b542dba, 0xee77f038,
0xddd3ced6, 0xc225d2ce, 0x63a3f765, 0x3342a06c,
0x6a780c2f, 0xfaa925b2, 0x366ebeec, 0xbcc9abea,
0xc7b3fa4e, 0xf4f1123d, 0x5198702c, 0x3e3458b7,
0x0b1ce9a1, 0x51b1bd7f, 0x711e791e, 0x927d8bed,
0x91dbaea9, 0x7eefbda9, 0x7a19edd9, 0xdf7b8dce,
0x5bb40613, 0x0b0c1e0f, 0x85b82c98, 0x18da4dc1,
0xc5fd78ac, 0x57c1e31d, 0x4c4001b5, 0xe31d2643,
0xa6afbf58, 0xad200e68, 0xf0114ba4, 0xd6a620f2,
0xc753a720, 0xac9022a0, 0x28a41f01, 0x22a4ba95,
0xc00b7531, 0x23d42795, 0xcd836a86, 0x90262708,
0x3292cad0, 0x40022e39, 0xc1581b0a, 0xe5101550,
0x6538096b, 0x208c549d, 0x3ce2bf88, 0xa71df38e,
0x3dec3685, 0xca3949f1, 0x79f3ad1b, 0x3ee8b300,
0x9d305fc6, 0x7a2e5288, 0xbe81a2f2, 0x7ada0c06,
0x191c7f01, 0x58dfcbd1, 0xc78dee72, 0x72364226,
0x1866de12, 0x8d22305c, 0x943a0f0e, 0xc81967ff,
0x4d55fb0f, 0xaf199be1, 0x90bbda61, 0x4e7c234f,
0x90cfec16, 0x9b4bcf26, 0x21622023, 0x0926f0fa,
0x1d504377, 0xa58db427, 0x8d93ce2b, 0x90bfe900,
0x29e67397, 0x2c1261ed, 0x4ace9474, 0xd5c60282,
0xe53fb300, 0x8a61a0ab, 0xa7aa0918, 0x4389d7c5,
0xd09d605c, 0x6c5bedb5, 0xd6d54c51, 0x433dea21,
0x7ad9e677, 0x813bff76, 0x5a162c75, 0x1ee0661f,
0x9b6c2030, 0x8e8dc989, 0xcd4bc9fc, 0x4454675b,
0x8d583c9c, 0xe3400094, 0x116ebb83, 0xe847bc9a,
0x2a4622dd, 0x2a901e6f, 0xd789b1c0, 0x094e2bbb,
0x056e563f, 0x9f17e606, 0x8bc79b8d, 0xd2c535c1,
0x06a45a27, 0x9dc56771, 0xa06649e2, 0x5ff25ac8,
0x6554961e, 0x98e583d9, 0x38ba93da, 0xdee1de18,
0x037cb9d5, 0x6b17f195, 0x3431faaf, 0x13860a0d,
0x28bca10d, 0x0a54c011, 0x9957cdb6, 0x3aa1f429,
0x9d41b7b3, 0x9aea5be2, 0x60c7ce6b, 0x4cd1c10b,
0x24ddddcd, 0xe28412ba, 0xa03a5466, 0xa1896879,
0x59edcb87, 0x1b241765, 0x157bf161, 0xf219f950,
0xe86ff526, 0x262005d9, 0x11769531, 0xbca15d95,
0x28f5ef17, 0x1f27e725, 0xc32631d2, 0x07249e61,
0x1ba851e3, 0x4f49b577, 0xe2a1df5e, 0x826fa7ff,
0xc34e1e2e, 0x7fe26024, 0xbc19800f, 0x0d368dc9,
0xe03da0c6, 0xadaa4f9c, 0x9ad1e43c, 0x96f84e44,
0x0b6cd695, 0x1bb46971, 0x942d6e5b, 0x6316170d,
0x3164509f, 0xc6659450, 0xb2a0370a, 0xabc208e8,
0x6d479811, 0x3684bc0e, 0x80b7b101, 0xa50b7bb5,
0x43d21233, 0xb423559d, 0xf41dcd16, 0xdfd3c276,
0x3e586469, 0xd9b7630a, 0xb88f9e44, 0x0cda6f4d,
0xe5bf5844, 0x8709f788, 0xdae37da6, 0x1fb41777,
0x1d903f69, 0x34383b69, 0xd409ae70, 0xd1c99758,
0xdedfd7a4, 0xa4bdf018, 0xf4058202, 0x8565d66f,
0x5365aed9, 0xfa69742e, 0x2cfbfbcf, 0x88a00b60,
0x506c0713, 0x2866475b, 0x3e1df573, 0xb86f7feb,
0x31d23a7f, 0xc6320e6a, 0x3ebbc2a5, 0x83a1d4ef,
0x15169f5f, 0x42a61753, 0x893e553e, 0x4ddbc66d,
0x7449ec1f, 0x76f65d22, 0x0622e13b, 0x32986f89,
0x21181b4b, 0x99a80c0a, 0xd6fe00b0, 0x282c0e81,
0x9fc1cf88, 0x919b855d, 0x618257d8, 0x82c448b8,
0xe22537a1, 0xa90de388, 0xba73b90c, 0xd765eeb0,
0x62b2727e, 0xa08dfe20, 0x70b3c8c5, 0x3ef04007,
0x9f73732b, 0x2201edd7, 0xb836219c, 0xf913af7c,
0xf50f64ca, 0x93ac107a, 0xf509f84a, 0x6f6026f6,
0xd9bb8eac, 0x4b268cfa, 0xa65a3fa6, 0x9837cb75,
0x784fb835, 0x2060576d, 0xb1604cae, 0xb9da4116,
0xab320cf2, 0x60a1b501, 0x0c73fa79, 0x8d5a6f1e,
0x57688086, 0x218e4005, 0xca054e3d, 0xc1a3c3ec,
/* MU16810d.inc */
0x00000001, 0x0000000d, 0x09211999, 0x00000681,
0x31708166, 0x00000001, 0x00000001, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x710e5240, 0xab8bc2df, 0x6e652d5a, 0xcc16718b,
0xaa5c7d1a, 0x43ac1ba0, 0xbdf8684e, 0x82565fa7,
0x1d108edc, 0x96d2d5a2, 0x85f783a0, 0x16e4cba1,
0xbc311213, 0xc36c45a2, 0x443b8d2b, 0xfdc5e9ce,
0xbb6f8637, 0x47011b8b, 0xf3898e4a, 0xb3e90f68,
0x60af6e3a, 0xff9d3de4, 0x9fb2333c, 0x5a1a39ce,
0xffd75d72, 0xa60cc2c0, 0x5729267c, 0xfc6d2da7,
0x8a2c8ae7, 0x71aba5ba, 0xb639ff31, 0x8d1642b8,
0x3aa67efc, 0x9f786473, 0xaedec560, 0x1acb694f,
0x97582a6f, 0x8dc17ea5, 0x19636cfe, 0xb5032243,
0xc46f764f, 0x3a5d3833, 0xf3d1a2b9, 0xc22e59be,
0x15e0b2f3, 0xe58eff24, 0xc679600d, 0x21a3a845,
0xc11cc921, 0xed2f5061, 0x2d4db0d1, 0xcc0cc78f,
0x80197c08, 0x20739d8a, 0xc92ec866, 0xacef343b,
0x47c0913a, 0xee8a69e4, 0xa7b0157e, 0x4c3607a9,
0xcc7ff7ea, 0xb0a36667, 0x41d1bcf0, 0xf54c42d2,
0x946c590e, 0x6da18fe9, 0xf20df0e6, 0x984a2160,
0x479becd3, 0xfb11dd36, 0xbb816653, 0x60c605c2,
0xf52efe8b, 0x90a9f863, 0x69654bfa, 0xf0f03f7c,
0xbf0498d5, 0x68708d82, 0xdab94924, 0x92371217,
0x603feed7, 0xf0ff8329, 0x9c8769df, 0x6d40ab73,
0xd8fd132a, 0x9335543f, 0x40fd3abb, 0xf25665a0,
0x93fe56a6, 0x682a3b24, 0xf3a0f14a, 0x97e92084,
0x4e8736a3, 0xf322db48, 0xb65de2ad, 0x6af68474,
0xfd6dae0d, 0x953afb0e, 0x6ef22a82, 0xfa7a3d7b,
0xb5fe683f, 0x647579c3, 0xd184e7db, 0x99ec7c97,
0x66486a26, 0xf08c8290, 0x94eb3fce, 0x6305e16e,
0xd61dd210, 0x9b8bdbba, 0x41a4b4f5, 0xfca38a75,
0x9c55c7a4, 0x6a4b1f02, 0xf277077a, 0x900e3d03,
0x4f173146, 0xf6fbf7c8, 0xb2636cb2, 0x6329a9d7,
0xf2697eb4, 0x90f80f6f, 0x65de6167, 0xfc6cd065,
0xb4326188, 0x67507c3a, 0xdf3179ff, 0x91207c0b,
0x6408ad58, 0xf7e7d2fe, 0x999af7c0, 0x6a994828,
0xdaecedf4, 0x93cba457, 0x4d924b31, 0xf12b5ae1,
0x9563d541, 0x65bd28f8, 0xfa87a363, 0x983adc3d,
0x45c4f64d, 0xfae3e1ef, 0xb2eb287f, 0x6050f699,
0xfb28cfb6, 0x999b1d45, 0x65027980, 0xf4e507d0,
0xbbd059b7, 0x64cb2688, 0xd29dff15, 0x90927c2c,
0x6d52471a, 0xf64fc745, 0x9e4050ff, 0x68b66e3f,
0xd0a1dd96, 0x9fe8a5a3, 0x454c936b, 0xf926115d,
0x9bfb60ff, 0x604049aa, 0xf3509e5c, 0x9d6cf26f,
0x4d777c5a, 0xfd7cd5ff, 0xb15d4f35, 0x6b1aa6e3,
0xfa279f20, 0x94916fae, 0x9b04dbcc, 0x600defd9,
0xf2977cd8, 0x65fa64be, 0x968feaee, 0xc11681af,
0x66568af6, 0xa539a4ee, 0xcfed5cb1, 0x108445de,
0xa603dfdd, 0xbf5ada02, 0x14b868c5, 0xb2d3b8d2,
0xbabf3637, 0x0c25bfbc, 0xb7a4c247, 0xf2837e05,
0x062ce963, 0xfcb65c46, 0xc6d190e7, 0x4dfce123,
0xcb0bf4c7, 0x8bff9d9d, 0x6794e002, 0x2879661e,
0xa5e93199, 0x77be4be8, 0x22fe3324, 0xb943e4ef,
0x73463d52, 0x31471050, 0xb68fd63f, 0x84cad24f,
0x343d922b, 0x42b9ab31, 0x88ee1549, 0xe913e2ab,
0x4a127048, 0x5057f79f, 0x636eb512, 0x42e02f9c,
0xd3a8b863, 0x9bc40609, 0x4a18edb5, 0x86a4bdaa,
0x91819a4b, 0x12a11e17, 0x8a6d7f21, 0xf42998d9,
0x132b6bbd, 0xe3239feb, 0xf52519d7, 0xada08128,
0xe6febacf, 0x44e15a80, 0xa977610a, 0xf56a8665,
0x4693b6f0, 0xb8386320, 0xfcf7d071, 0xb8a1128d,
0xb2a45d18, 0x075a2095, 0x98ebde53, 0xe8762eaf,
0x838ba96f, 0x4f0239d3, 0xf295395e, 0xb3c38631,
0x7ea7a143, 0x157a4e43, 0x46f8173f, 0xfbc18d4a,
0xc401e17a, 0xc4620358, 0xd2ab5437, 0xa01db06f,
0x58ce91fc, 0x850de1a3, 0x9b542dba, 0xee77f038,
0xddd3ced6, 0xc225d2ce, 0x63a3f765, 0x3342a06c,
0x6a780c2f, 0xfaa925b2, 0x366ebeec, 0xbcc9abea,
0xc7b3fa4e, 0xf4f1123d, 0x5198702c, 0x3e3458b7,
0x0b1ce9a1, 0x51b1bd7f, 0x711e791e, 0x927d8bed,
0x91dbaea9, 0x7eefbda9, 0x7a19edd9, 0xdf7b8dce,
0x5bb40613, 0x0b0c1e0f, 0x85b82c98, 0x18da4dc1,
0xc5fd78ac, 0x57c1e31d, 0x4c4001b5, 0xe31d2643,
0xa6afbf58, 0xad200e68, 0xf0114ba4, 0xd6a620f2,
0xc753a720, 0xac9022a0, 0x28a41f01, 0x22a4ba95,
0xc00b7531, 0x23d42795, 0xcd836a86, 0x90262708,
0x3292cad0, 0x40022e39, 0xc1581b0a, 0xe5101550,
0x6538096b, 0x208c549d, 0x3ce2bf88, 0xa71df38e,
0x3dec3685, 0xca3949f1, 0x79f3ad1b, 0x3ee8b300,
0x9d305fc6, 0x7a2e5288, 0xbe81a2f2, 0x7ada0c06,
0x191c7f01, 0x58dfcbd1, 0xc78dee72, 0x72364226,
0x1866de12, 0x8d22305c, 0x943a0f0e, 0xc81967ff,
0x4d55fb0f, 0xaf199be1, 0x90bbda61, 0x4e7c234f,
0x90cfec16, 0x9b4bcf26, 0x21622023, 0x0926f0fa,
0x1d504377, 0xa58db427, 0x8d93ce2b, 0x90bfe900,
0x29e67397, 0x2c1261ed, 0x4ace9474, 0xd5c60282,
0xe53fb300, 0x8a61a0ab, 0xa7aa0918, 0x4389d7c5,
0xd09d605c, 0x6c5bedb5, 0xd6d54c51, 0x433dea21,
0x7ad9e677, 0x813bff76, 0x5a162c75, 0x1ee0661f,
0x9b6c2030, 0x8e8dc989, 0xcd4bc9fc, 0x4454675b,
0x8d583c9c, 0xe3400094, 0x116ebb83, 0xe847bc9a,
0x2a4622dd, 0x2a901e6f, 0xd789b1c0, 0x094e2bbb,
0x056e563f, 0x9f17e606, 0x8bc79b8d, 0xd2c535c1,
0x06a45a27, 0x9dc56771, 0xa06649e2, 0x5ff25ac8,
0x6554961e, 0x98e583d9, 0x38ba93da, 0xdee1de18,
0x037cb9d5, 0x6b17f195, 0x3431faaf, 0x13860a0d,
0x28bca10d, 0x0a54c011, 0x9957cdb6, 0x3aa1f429,
0x9d41b7b3, 0x9aea5be2, 0x60c7ce6b, 0x4cd1c10b,
0x24ddddcd, 0xe28412ba, 0xa03a5466, 0xa1896879,
0x59edcb87, 0x1b241765, 0x157bf161, 0xf219f950,
0xe86ff526, 0x262005d9, 0x11769531, 0xbca15d95,
0x28f5ef17, 0x1f27e725, 0xc32631d2, 0x07249e61,
0x1ba851e3, 0x4f49b577, 0xe2a1df5e, 0x826fa7ff,
0xc34e1e2e, 0x7fe26024, 0xbc19800f, 0x0d368dc9,
0xe03da0c6, 0xadaa4f9c, 0x9ad1e43c, 0x96f84e44,
0x0b6cd695, 0x1bb46971, 0x942d6e5b, 0x6316170d,
0x3164509f, 0xc6659450, 0xb2a0370a, 0xabc208e8,
0x6d479811, 0x3684bc0e, 0x80b7b101, 0xa50b7bb5,
0x43d21233, 0xb423559d, 0xf41dcd16, 0xdfd3c276,
0x3e586469, 0xd9b7630a, 0xb88f9e44, 0x0cda6f4d,
0xe5bf5844, 0x8709f788, 0xdae37da6, 0x1fb41777,
0x1d903f69, 0x34383b69, 0xd409ae70, 0xd1c99758,
0xdedfd7a4, 0xa4bdf018, 0xf4058202, 0x8565d66f,
0x5365aed9, 0xfa69742e, 0x2cfbfbcf, 0x88a00b60,
0x506c0713, 0x2866475b, 0x3e1df573, 0xb86f7feb,
0x31d23a7f, 0xc6320e6a, 0x3ebbc2a5, 0x83a1d4ef,
0x15169f5f, 0x42a61753, 0x893e553e, 0x4ddbc66d,
0x7449ec1f, 0x76f65d22, 0x0622e13b, 0x32986f89,
0x21181b4b, 0x99a80c0a, 0xd6fe00b0, 0x282c0e81,
0x9fc1cf88, 0x919b855d, 0x618257d8, 0x82c448b8,
0xe22537a1, 0xa90de388, 0xba73b90c, 0xd765eeb0,
0x62b2727e, 0xa08dfe20, 0x70b3c8c5, 0x3ef04007,
0x9f73732b, 0x2201edd7, 0xb836219c, 0xf913af7c,
0xf50f64ca, 0x93ac107a, 0xf509f84a, 0x6f6026f6,
0xd9bb8eac, 0x4b268cfa, 0xa65a3fa6, 0x9837cb75,
0x784fb835, 0x2060576d, 0xb1604cae, 0xb9da4116,
0xab320cf2, 0x60a1b501, 0x0c73fa79, 0x8d5a6f1e,
0x57688086, 0x218e4005, 0xca054e3d, 0xc1a3c3ec,
};
static void display_cpuid_update_microcode(void)
{
unsigned int eax, ebx, ecx, edx;
unsigned int pf, rev, sig, val[2];
unsigned int x86_model, x86_family, i;
struct microcode *m;
msr_t msr;
/* cpuid sets msr 0x8B iff a microcode update has been loaded. */
//wrmsr(0x8B, 0, 0);
msr.lo = msr.hi = 0;
wrmsr(0x8b, msr);
cpuid(1, &eax, &ebx, &ecx, &edx);
//rdmsr(0x8B, val[0], rev);
msr = rdmsr(0x8b);
val[0] = msr.lo;
rev = msr.hi;
x86_model = (eax >>4) & 0x0f;
x86_family = (eax >>8) & 0x0f;
sig = eax;
pf = 0;
if ((x86_model >= 5)||(x86_family>6)) {
//rdmsr(0x17, val[0], val[1]);
msr = rdmsr(0x17);
val[0] = msr.lo;
val[1] = msr.hi;
pf = 1 << ((val[1] >> 18) & 7);
}
printk_debug("microcode_info: sig = 0x%08x pf=0x%08x rev = 0x%08x\n",
sig, pf, rev);
m = (void *)µcode_updates;
for(i = 0; i < sizeof(microcode_updates)/sizeof(struct microcode); i++) {
if ((m[i].sig == sig) && (m[i].pf == pf)) {
//wrmsr(0x79, (unsigned int)&m[i].bits, 0);
msr.lo = (unsigned int)&m[i].bits;
msr.hi = 0;
wrmsr(0x79, msr);
__asm__ __volatile__ ("cpuid" : : : "ax", "bx", "cx", "dx");
//rdmsr(0x8B, val[0], val[1]);
msr = rdmsr(0x8b);
val[0] = msr.lo;
val[1] = msr.hi;
printk_info("microcode updated from revision %d to %d\n",
rev, val[1]);
}
}
}
void p6_cpufixup(struct mem_range *mem)
{
printk_debug("Updating microcode\n");
display_cpuid_update_microcode();
}
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