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Diffstat (limited to 'arch/x86/include/asm/inat.h')
-rw-r--r--arch/x86/include/asm/inat.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/x86/include/asm/inat.h b/arch/x86/include/asm/inat.h
index b56c574158..53e4015242 100644
--- a/arch/x86/include/asm/inat.h
+++ b/arch/x86/include/asm/inat.h
@@ -35,6 +35,8 @@
#define INAT_PFX_VEX2 13 /* 2-bytes VEX prefix */
#define INAT_PFX_VEX3 14 /* 3-bytes VEX prefix */
#define INAT_PFX_EVEX 15 /* EVEX prefix */
+/* x86-64 REX2 prefix */
+#define INAT_PFX_REX2 16 /* 0xD5 */
#define INAT_LSTPFX_MAX 3
#define INAT_LGCPFX_MAX 11
@@ -50,7 +52,7 @@
/* Legacy prefix */
#define INAT_PFX_OFFS 0
-#define INAT_PFX_BITS 4
+#define INAT_PFX_BITS 5
#define INAT_PFX_MAX ((1 << INAT_PFX_BITS) - 1)
#define INAT_PFX_MASK (INAT_PFX_MAX << INAT_PFX_OFFS)
/* Escape opcodes */
@@ -77,6 +79,9 @@
#define INAT_VEXOK (1 << (INAT_FLAG_OFFS + 5))
#define INAT_VEXONLY (1 << (INAT_FLAG_OFFS + 6))
#define INAT_EVEXONLY (1 << (INAT_FLAG_OFFS + 7))
+#define INAT_NO_REX2 (1 << (INAT_FLAG_OFFS + 8))
+#define INAT_REX2_VARIANT (1 << (INAT_FLAG_OFFS + 9))
+#define INAT_EVEX_SCALABLE (1 << (INAT_FLAG_OFFS + 10))
/* Attribute making macros for attribute tables */
#define INAT_MAKE_PREFIX(pfx) (pfx << INAT_PFX_OFFS)
#define INAT_MAKE_ESCAPE(esc) (esc << INAT_ESC_OFFS)
@@ -128,6 +133,11 @@ static inline int inat_is_rex_prefix(insn_attr_t attr)
return (attr & INAT_PFX_MASK) == INAT_PFX_REX;
}
+static inline int inat_is_rex2_prefix(insn_attr_t attr)
+{
+ return (attr & INAT_PFX_MASK) == INAT_PFX_REX2;
+}
+
static inline int inat_last_prefix_id(insn_attr_t attr)
{
if ((attr & INAT_PFX_MASK) > INAT_LSTPFX_MAX)
@@ -227,4 +237,9 @@ static inline int inat_must_evex(insn_attr_t attr)
{
return attr & INAT_EVEXONLY;
}
+
+static inline int inat_evex_scalable(insn_attr_t attr)
+{
+ return attr & INAT_EVEX_SCALABLE;
+}
#endif