Date: Thu, 10 Oct 2013 14:29:33 GMT From: John Baldwin <jhb@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 1033109 for review Message-ID: <201310101429.r9AETXbA071840@skunkworks.freebsd.org>
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http://p4web.freebsd.org/@@1033109?ac=10 Change 1033109 by jhb@jhb_jhbbsd on 2013/10/10 14:29:25 Untested bits for rdrand in ddb. Affected files ... .. //depot/projects/smpng/sys/amd64/amd64/db_disasm.c#13 edit .. //depot/projects/smpng/sys/modules/x86dis/x86dis.c#9 edit Differences ... ==== //depot/projects/smpng/sys/amd64/amd64/db_disasm.c#13 (text+ko) ==== @@ -628,6 +628,17 @@ { "", TRUE, NONE, 0, 0 } }; +static const struct inst db_Grp9b[] = { + { "", TRUE, NONE, 0, 0 }, + { "", TRUE, NONE, 0, 0 }, + { "", TRUE, NONE, 0, 0 }, + { "", TRUE, NONE, 0, 0 }, + { "", TRUE, NONE, 0, 0 }, + { "", TRUE, NONE, 0, 0 }, + { "rdrand",TRUE, LONG, op1(Ril), 0 }, + { "", TRUE, NONE, 0, 0 } +}; + static const struct inst db_inst_table[256] = { /*00*/ { "add", TRUE, BYTE, op2(R, E), 0 }, /*01*/ { "add", TRUE, LONG, op2(R, E), 0 }, @@ -1300,7 +1311,13 @@ i_size = ip->i_size; i_mode = ip->i_mode; - if (ip->i_extra == db_Grp1 || ip->i_extra == db_Grp2 || + if (ip->i_extra == db_Grp9 && f_mod(rex, regmodrm) == 3) { + ip = &db_Grp9b[f_reg(rex, regmodrm)]; + i_name = ip->i_name; + i_size = ip->i_size; + i_mode = ip->i_mode; + } + else if (ip->i_extra == db_Grp1 || ip->i_extra == db_Grp2 || ip->i_extra == db_Grp6 || ip->i_extra == db_Grp7 || ip->i_extra == db_Grp8 || ip->i_extra == db_Grp9 || ip->i_extra == db_Grp15) { ==== //depot/projects/smpng/sys/modules/x86dis/x86dis.c#9 (text+ko) ==== @@ -61,6 +61,24 @@ return (low | ((uint64_t)high << 32)); } +static __inline uint32_t +rdrand(void) +{ + uint32_t val; + + __asm __volatile("rdrand %0" : "=r" (val)); + return (val); +} + +static __inline uint64_t +rdrand64(void) +{ + uint64_t val; + + __asm __volatile("rdrand %0" : "=r" (val)); + return (val); +} + extern void isn_list(char *addr, uint32_t reg, uint64_t mask, uint64_t val);
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