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Commit a9c373d0 authored by Masami Hiramatsu's avatar Masami Hiramatsu Committed by Ingo Molnar
Browse files

x86: Update instruction decoder to support new AVX formats 



Since new Intel software developers manual introduces
new format for AVX instruction set (including AVX2),
it is important to update x86-opcode-map.txt to fit
those changes.

Signed-off-by: default avatarMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: yrl.pp-manager.tt@hitachi.com
Link: http://lkml.kernel.org/r/20111205120557.15475.13236.stgit@cloud


Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent e70825fc

arch/x86/lib/x86-opcode-map.txt

+333 −273

File changed.

Preview size limit exceeded, changes collapsed.

arch/x86/tools/gen-insn-attr-x86.awk

+12 −9
Original line number Diff line number Diff line
@@ -47,7 +47,7 @@ BEGIN { 
	sep_expr = "^\\|$"

	group_expr = "^Grp[0-9A-Za-z]+"



	imm_expr = "^[IJAO][a-z]"

	imm_expr = "^[IJAOL][a-z]"

	imm_flag["Ib"] = "INAT_MAKE_IMM(INAT_IMM_BYTE)"

	imm_flag["Jb"] = "INAT_MAKE_IMM(INAT_IMM_BYTE)"

	imm_flag["Iw"] = "INAT_MAKE_IMM(INAT_IMM_WORD)"
@@ -59,6 +59,7 @@ BEGIN { 
	imm_flag["Iv"] = "INAT_MAKE_IMM(INAT_IMM_VWORD)"

	imm_flag["Ob"] = "INAT_MOFFSET"

	imm_flag["Ov"] = "INAT_MOFFSET"

	imm_flag["Lx"] = "INAT_MAKE_IMM(INAT_IMM_BYTE)"



	modrm_expr = "^([CDEGMNPQRSUVW/][a-z]+|NTA|T[012])"

	force64_expr = "\\([df]64\\)"
@@ -70,8 +71,12 @@ BEGIN { 
	lprefix3_expr = "\\(F2\\)"

	max_lprefix = 4



	vexok_expr = "\\(VEX\\)"

	vexonly_expr = "\\(oVEX\\)"

	# All opcodes starting with lower-case 'v' or with (v1) superscript

	# accepts VEX prefix

	vexok_opcode_expr = "^v.*"

	vexok_expr = "\\(v1\\)"

	# All opcodes with (v) superscript supports *only* VEX prefix

	vexonly_expr = "\\(v\\)"



	prefix_expr = "\\(Prefix\\)"

	prefix_num["Operand-Size"] = "INAT_PFX_OPNDSZ"
@@ -85,8 +90,8 @@ BEGIN { 
	prefix_num["SEG=GS"] = "INAT_PFX_GS"

	prefix_num["SEG=SS"] = "INAT_PFX_SS"

	prefix_num["Address-Size"] = "INAT_PFX_ADDRSZ"

	prefix_num["2bytes-VEX"] = "INAT_PFX_VEX2"

	prefix_num["3bytes-VEX"] = "INAT_PFX_VEX3"

	prefix_num["VEX+1byte"] = "INAT_PFX_VEX2"

	prefix_num["VEX+2byte"] = "INAT_PFX_VEX3"



	clear_vars()

}
@@ -310,12 +315,10 @@ function convert_operands(count,opnd, i,j,imm,mod) 
		if (match(opcode, fpu_expr))

			flags = add_flags(flags, "INAT_MODRM")



		# check VEX only code

		# check VEX codes

		if (match(ext, vexonly_expr))

			flags = add_flags(flags, "INAT_VEXOK | INAT_VEXONLY")



		# check VEX only code

		if (match(ext, vexok_expr))

		else if (match(ext, vexok_expr) || match(opcode, vexok_opcode_expr))

			flags = add_flags(flags, "INAT_VEXOK")



		# check prefixes