From b6581dab8bbf43e00f31e537833371026afed13b Mon Sep 17 00:00:00 2001 From: OBattler Date: Sat, 19 Oct 2024 22:38:05 +0200 Subject: [PATCH] 386: Re-add the INVD and WBINVD instruction - the DataExpert Phoenix 4.03 BIOS uses the latter even when specifically detecting a 386, who knows what it did on an actual 386. --- src/cpu/386_ops.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/cpu/386_ops.h b/src/cpu/386_ops.h index 130166344..b8ef9edda 100644 --- a/src/cpu/386_ops.h +++ b/src/cpu/386_ops.h @@ -649,7 +649,7 @@ const OpFn OP_TABLE(386_0f)[1024] = { // clang-format off /*16-bit data, 16-bit addr*/ /* 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f*/ -/*00*/ op0F00_a16, op0F01_w_a16, opLAR_w_a16, opLSL_w_a16, ILLEGAL, ILLEGAL, opCLTS, opLOADALL386, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, +/*00*/ op0F00_a16, op0F01_w_a16, opLAR_w_a16, opLSL_w_a16, ILLEGAL, ILLEGAL, opCLTS, opLOADALL386, opINVD, opWBINVD, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*10*/ opMOV_b_r_a16, opMOV_w_r_a16, opMOV_r_b_a16, opMOV_r_w_a16, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*20*/ opMOV_r_CRx_a16,opMOV_r_DRx_a16,opMOV_CRx_r_a16,opMOV_DRx_r_a16,opMOV_r_TRx_a16,ILLEGAL, opMOV_TRx_r_a16,ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*30*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, @@ -671,7 +671,7 @@ const OpFn OP_TABLE(386_0f)[1024] = { /*32-bit data, 16-bit addr*/ /* 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f*/ -/*00*/ op0F00_a16, op0F01_l_a16, opLAR_l_a16, opLSL_l_a16, ILLEGAL, ILLEGAL, opCLTS, opLOADALL386, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, +/*00*/ op0F00_a16, op0F01_l_a16, opLAR_l_a16, opLSL_l_a16, ILLEGAL, ILLEGAL, opCLTS, opLOADALL386, opINVD, opWBINVD, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*10*/ opMOV_b_r_a16, opMOV_l_r_a16, opMOV_r_b_a16, opMOV_r_l_a16, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*20*/ opMOV_r_CRx_a16,opMOV_r_DRx_a16,opMOV_CRx_r_a16,opMOV_DRx_r_a16,opMOV_r_TRx_a16,ILLEGAL, opMOV_TRx_r_a16,ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*30*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, @@ -693,7 +693,7 @@ const OpFn OP_TABLE(386_0f)[1024] = { /*16-bit data, 32-bit addr*/ /* 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f*/ -/*00*/ op0F00_a32, op0F01_w_a32, opLAR_w_a32, opLSL_w_a32, ILLEGAL, ILLEGAL, opCLTS, opLOADALL386, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, +/*00*/ op0F00_a32, op0F01_w_a32, opLAR_w_a32, opLSL_w_a32, ILLEGAL, ILLEGAL, opCLTS, opLOADALL386, opINVD, opWBINVD, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*10*/ opMOV_b_r_a32, opMOV_w_r_a32, opMOV_r_b_a32, opMOV_r_w_a32, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*20*/ opMOV_r_CRx_a32,opMOV_r_DRx_a32,opMOV_CRx_r_a32,opMOV_DRx_r_a32,opMOV_r_TRx_a32,ILLEGAL, opMOV_TRx_r_a32,ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*30*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, @@ -715,7 +715,7 @@ const OpFn OP_TABLE(386_0f)[1024] = { /*32-bit data, 32-bit addr*/ /* 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f*/ -/*00*/ op0F00_a32, op0F01_l_a32, opLAR_l_a32, opLSL_l_a32, ILLEGAL, ILLEGAL, opCLTS, opLOADALL386, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, +/*00*/ op0F00_a32, op0F01_l_a32, opLAR_l_a32, opLSL_l_a32, ILLEGAL, ILLEGAL, opCLTS, opLOADALL386, opINVD, opWBINVD, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*10*/ opMOV_b_r_a32, opMOV_l_r_a32, opMOV_r_b_a32, opMOV_r_l_a32, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*20*/ opMOV_r_CRx_a32,opMOV_r_DRx_a32,opMOV_CRx_r_a32,opMOV_DRx_r_a32,opMOV_r_TRx_a32,ILLEGAL, opMOV_TRx_r_a32,ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, /*30*/ ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL, ILLEGAL,