From 557bc8064752ac66c099542956af63670a666de5 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Sat, 1 Dec 2007 23:01:31 -0800 Subject: X86: Implement the LIDT instruction. --HG-- extra : convert_revision : 380515e985318311632e00b13000585afb052e3b --- src/arch/x86/isa/decoder/two_byte_opcodes.isa | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'src/arch/x86/isa/decoder') diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa index ecd575a5d..717a8f26f 100644 --- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa +++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa @@ -118,7 +118,15 @@ default: Inst::LGDT(M); } } - 0x3: lidt_Ms(); + 0x3: decode MODE_SUBMODE { + 0x0: Inst::LIDT(M); + default: decode OPSIZE { + // 16 bit operand sizes are special, but only + // in legacy and compatability modes. + 0x2: Inst::LIDT_16(M); + default: Inst::LIDT(M); + } + } 0x4: smsw_Mw(); 0x6: lmsw_Mw(); 0x7: invlpg_M(); -- cgit v1.2.3