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Check for the two opcode prefix correctly and add in some instructions.

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--HG--
extra : convert_revision : 751e54843f5c81b81529050a1ae9d46d07c36e97
This commit is contained in:
Gabe Black 2007-07-18 17:51:05 -07:00
parent f6d326d6fc
commit 09f056a1ef
1 changed files with 10 additions and 12 deletions
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22
src/arch/x86/isa/decoder/two_byte_opcodes.isa
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@ -58,7 +58,7 @@
// Decode the two byte opcodes // Decode the two byte opcodes
// //
0x2: decode OPCODE_PREFIXA { 0x2: decode OPCODE_PREFIXA {
0xF0: decode OPCODE_OP_TOP5 { 0x0F: decode OPCODE_OP_TOP5 {
format WarnUnimpl { format WarnUnimpl {
0x00: decode OPCODE_OP_BOTTOM3 { 0x00: decode OPCODE_OP_BOTTOM3 {
0x00: group6(); 0x00: group6();
@ -67,9 +67,7 @@
0x03: lsl_Gv_Ew(); 0x03: lsl_Gv_Ew();
//sandpile.org doesn't seem to know what this is... ? //sandpile.org doesn't seem to know what this is... ?
0x04: loadall_or_reset_or_hang(); 0x04: loadall_or_reset_or_hang();
//sandpile.org says (AMD) after syscall, so I might want to check 0x05: syscall();
//if that means amd64 or AMD machines
0x05: loadall_or_syscall();
0x06: clts(); 0x06: clts();
//sandpile.org says (AMD) after sysret, so I might want to check //sandpile.org says (AMD) after sysret, so I might want to check
//if that means amd64 or AMD machines //if that means amd64 or AMD machines
@ -226,14 +224,14 @@
0x7: holder(); 0x7: holder();
} }
0x10: decode OPCODE_OP_BOTTOM3 { 0x10: decode OPCODE_OP_BOTTOM3 {
0x0: holder(); 0x0: jo_Jz();
0x1: holder(); 0x1: jno_Jz();
0x2: holder(); 0x2: jb_Jz();
0x3: holder(); 0x3: jnb_Jz();
0x4: holder(); 0x4: jz_Jz();
0x5: holder(); 0x5: Inst::JNZ(Jz);
0x6: holder(); 0x6: jbe_Jz();
0x7: holder(); 0x7: jnbe_Jz();
} }
0x11: decode OPCODE_OP_BOTTOM3 { 0x11: decode OPCODE_OP_BOTTOM3 {
0x0: holder(); 0x0: holder();