Add support for the 'rdseed' instruction.

This commit is contained in:
John Baldwin 2014-05-18 03:57:54 +00:00
parent 897bb47e7b
commit 2ea259616a
3 changed files with 22 additions and 1 deletions

View File

@ -85,6 +85,7 @@ static void OP_MS (int, int);
static void OP_XS (int, int);
static void OP_M (int, int);
static void OP_VMX (int, int);
static void OP_VMX2 (int, int);
static void OP_0fae (int, int);
static void OP_0f07 (int, int);
static void NOP_Fixup1 (int, int);
@ -318,6 +319,7 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
#define EMC { OP_EMC, v_mode }
#define MXC { OP_MXC, 0 }
#define VM { OP_VMX, q_mode }
#define VM2 { OP_VMX2, q_mode }
#define OPSUF { OP_3DNowSuffix, 0 }
#define OPSIMD { OP_SIMD_Suffix, 0 }
#define XMM0 { XMM_Fixup, 0 }
@ -1732,7 +1734,7 @@ static const struct dis386 grps[][8] = {
{ "(bad)", { XX } },
{ "(bad)", { XX } },
{ "", { VM } }, /* See OP_VMX. */
{ "vmptrst", { Mq } },
{ "", { VM2 } }, /* See OP_VMX2. */
},
/* GRP11_C6 */
{
@ -6466,6 +6468,21 @@ OP_VMX (int bytemode, int sizeflag)
}
}
static void
OP_VMX2 (int bytemode, int sizeflag)
{
if (modrm.mod == 3)
{
strcpy (obuf, "rdseed");
OP_E (v_mode, sizeflag);
}
else
{
strcpy (obuf, "vmptrst");
OP_M (q_mode, sizeflag);
}
}
static void
REP_Fixup (int bytemode, int sizeflag)
{

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@ -1524,3 +1524,4 @@ pclmulhqhqdq, 2, 0x660f3a44, 0x11, CpuPCLMUL, Modrm|IgnoreSize|No_bSuf|No_wSuf|N
// Intel Random Number Generator extensions
rdrand, 1, 0x0fc7, 0x6, CpuRdRnd, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_xSuf, { Reg16|Reg32|Reg64 }
rdseed, 1, 0x0fc7, 0x7, CpuRdRnd, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_xSuf, { Reg16|Reg32|Reg64 }

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@ -4391,6 +4391,9 @@ const template i386_optab[] =
{"rdrand", 1, 0x0fc7, 0x6, CpuRdRnd,
Modrm|NoSuf,
{ Reg16|Reg32|Reg64 } },
{"rdseed", 1, 0x0fc7, 0x7, CpuRdRnd,
Modrm|NoSuf,
{ Reg16|Reg32|Reg64 } },
/* Intel Supervisor Mode Access Prevention extensions */
{"clac", 0, 0x0f01, 0xca, CpuSMAP,