/[pearpc]/src/cpu/cpu_jitc_x86/ppc_dec.h
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /src/cpu/cpu_jitc_x86/ppc_dec.h

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Revision 1 - (show annotations)
Wed Sep 5 17:11:21 2007 UTC (12 years, 2 months ago) by dpavlin
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1 /*
2 * PearPC
3 * ppc_dec.h
4 *
5 * Copyright (C) 2003, 2004 Sebastian Biallas (sb@biallas.net)
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20
21 #ifndef __PPC_DEC_H__
22 #define __PPC_DEC_H__
23
24 #include "system/types.h"
25 #include "jitc_types.h"
26
27 typedef JITCFlow (*ppc_opc_gen_function)();
28
29 void FASTCALL ppc_exec_opc();
30 JITCFlow FASTCALL ppc_gen_opc();
31 void ppc_dec_init();
32
33 #define PPC_OPC_ASSERT(v)
34
35 #define PPC_OPC_MAIN(opc) (((opc)>>26)&0x3f)
36 #define PPC_OPC_EXT(opc) (((opc)>>1)&0x3ff)
37 #define PPC_OPC_Rc 1
38 #define PPC_OPC_OE (1<<10)
39 #define PPC_OPC_LK 1
40 #define PPC_OPC_AA (1<<1)
41
42 #define PPC_OPC_TEMPL_A(opc, rD, rA, rB, rC) {rD=((opc)>>21)&0x1f;rA=((opc)>>16)&0x1f;rB=((opc)>>11)&0x1f;rC=((opc)>>6)&0x1f;}
43 #define PPC_OPC_TEMPL_B(opc, BO, BI, BD) {BO=((opc)>>21)&0x1f;BI=((opc)>>16)&0x1f;BD=(opc)&0xfffc;if (BD&0x8000) BD |= 0xffff0000;}
44 #define PPC_OPC_TEMPL_D_SImm(opc, rD, rA, imm) {rD=((opc)>>21)&0x1f;rA=((opc)>>16)&0x1f;imm=(opc)&0xffff;if (imm & 0x8000) imm |= 0xffff0000;}
45 #define PPC_OPC_TEMPL_D_UImm(opc, rD, rA, imm) {rD=((opc)>>21)&0x1f;rA=((opc)>>16)&0x1f;imm=(opc)&0xffff;}
46 #define PPC_OPC_TEMPL_D_Shift16(opc, rD, rA, imm) {rD=((opc)>>21)&0x1f;rA=((opc)>>16)&0x1f;imm=(opc)<<16;}
47 #define PPC_OPC_TEMPL_I(opc, LI) {LI=(opc)&0x3fffffc;if (LI&0x02000000) LI |= 0xfc000000;}
48 #define PPC_OPC_TEMPL_M(opc, rS, rA, SH, MB, ME) {rS=((opc)>>21)&0x1f;rA=((opc)>>16)&0x1f;SH=((opc)>>11)&0x1f;MB=((opc)>>6)&0x1f;ME=((opc)>>1)&0x1f;}
49 #define PPC_OPC_TEMPL_X(opc, rS, rA, rB) {rS=((opc)>>21)&0x1f;rA=((opc)>>16)&0x1f;rB=((opc)>>11)&0x1f;}
50 #define PPC_OPC_TEMPL_XFX(opc, rS, CRM) {rS=((opc)>>21)&0x1f;CRM=((opc)>>12)&0xff;}
51 #define PPC_OPC_TEMPL_XO(opc, rS, rA, rB) {rS=((opc)>>21)&0x1f;rA=((opc)>>16)&0x1f;rB=((opc)>>11)&0x1f;}
52 #define PPC_OPC_TEMPL_XL(opc, BO, BI, BD) {BO=((opc)>>21)&0x1f;BI=((opc)>>16)&0x1f;BD=((opc)>>11)&0x1f;}
53 #define PPC_OPC_TEMPL_XFL(opc, rB, FM) {rB=((opc)>>11)&0x1f;FM=((opc)>>17)&0xff;}
54
55 #endif

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