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Diffstat (limited to 'src/qcommon/vm_powerpc_asm.h')
| -rw-r--r-- | src/qcommon/vm_powerpc_asm.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/qcommon/vm_powerpc_asm.h b/src/qcommon/vm_powerpc_asm.h new file mode 100644 index 00000000..9bccf18a --- /dev/null +++ b/src/qcommon/vm_powerpc_asm.h @@ -0,0 +1,156 @@ +/* +=========================================================================== +Copyright (C) 2008 Przemyslaw Iskra <sparky@pld-linux.org> + +This file is part of Quake III Arena source code. + +Quake III Arena source code is free software; you can redistribute it +and/or modify it under the terms of the GNU General Public License as +published by the Free Software Foundation; either version 2 of the License, +or (at your option) any later version. + +Quake III Arena source code is distributed in the hope that it will be +useful, but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with Quake III Arena source code; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +=========================================================================== +*/ + +#ifndef VM_POWERPC_ASM_H +#define VM_POWERPC_ASM_H + +/* + * Register information according to: + * http://refspecs.freestandards.org/elf/elfspec_ppc.pdf + */ + +#define r0 0 // volatile +#define r1 1 // caller safe ( stack pointer ) +#define r2 2 // reserved +#define r3 3 // callee safe +#define r4 4 // callee safe +#define r5 5 // callee safe +#define r6 6 // callee safe +#define r7 7 // callee safe +#define r8 8 // callee safe +#define r9 9 // callee safe +#define r10 10 // callee safe +#define r11 11 // volatile +#define r12 12 // volatile +#define r13 13 // reserved ( small data area ) +#define r14 14 // caller safe +#define r15 15 // caller safe +#define r16 16 // caller safe +#define r17 17 // caller safe +#define r18 18 // caller safe +#define r19 19 // caller safe +#define r20 20 // caller safe +#define r21 21 // caller safe +#define r22 22 // caller safe +#define r23 23 // caller safe +#define r24 24 // caller safe +#define r25 25 // caller safe +#define r26 26 // caller safe +#define r27 27 // caller safe +#define r28 28 // caller safe +#define r29 29 // caller safe +#define r30 30 // caller safe +#define r31 31 // caller safe ( environment pointers ) + +#define f0 0 // callee safe +#define f1 1 // callee safe +#define f2 2 // callee safe +#define f3 3 // callee safe +#define f4 4 // callee safe +#define f5 5 // callee safe +#define f6 6 // callee safe +#define f7 7 // callee safe +#define f8 8 // callee safe +#define f9 9 // callee safe +#define f10 10 // callee safe +#define f11 11 // callee safe +#define f12 12 // callee safe +#define f13 13 // callee safe +#define f14 14 // caller safe +#define f15 15 // caller safe +#define f16 16 // caller safe +#define f17 17 // caller safe +#define f18 18 // caller safe +#define f19 19 // caller safe +#define f20 20 // caller safe +#define f21 21 // caller safe +#define f22 22 // caller safe +#define f23 23 // caller safe +#define f24 24 // caller safe +#define f25 25 // caller safe +#define f26 26 // caller safe +#define f27 27 // caller safe +#define f28 28 // caller safe +#define f29 29 // caller safe +#define f30 30 // caller safe +#define f31 31 // caller safe + +#define cr0 0 // volatile +#define cr1 1 // volatile +#define cr2 2 // caller safe +#define cr3 3 // caller safe +#define cr4 4 // caller safe +#define cr5 5 // volatile +#define cr6 6 // volatile +#define cr7 7 // volatile + +#define lt 0 +#define gt 1 +#define eq 2 +#define so 3 + +// branch bo field values +#define branchLikely 1 +#define branchFalse 4 +#define branchTrue 12 +#define branchAlways 20 + +// branch extensions (change branch type) +#define branchExtLink 0x0001 + + +/* + * This list must match exactly the powerpc_opcodes list from vm_powerpc_asm.c + * If you're changing the original list remember to regenerate this one. You + * may do so using this perl script: + perl -p -e 'BEGIN{%t=("-"=>m=>"+"=>p=>"."=>d=>);$l=""}$o=0 if/^}/; + if($o && s/^{ "(.*?)([\.+-])?".+/i\U$1\E$t{$2}/s){$_.="_" while$l{$_}; + $l{$_}=1;if(length $l.$_ > 70){$s=$_;$_="\t$l\n";$l="$s,"}else + {$l.=" $_,";$_=undef}}else{$o=1 if/powerpc_opcodes.*=/;$_=undef}; + END{print "\t$l\n"}' < vm_powerpc_asm.c + */ + +typedef enum powerpc_iname { + iCMPLWI, iCMPWI, iCMPW, iCMPLW, iFCMPU, iLI, iLIS, iADDI, iADDIS, + iBLTm, iBC, iBCL, iB, iBL, iBLR, iBCTR, iBCTRL, iRLWINM, iNOP, iORI, + iXORIS, iLDX, iLWZX, iSLW, iAND, iSUB, iLBZX, iNEG, iNOT, iSTWX, iSTBX, + iMULLW, iADD, iLHZX, iXOR, iMFLR, iSTHX, iMR, iOR, iDIVWU, iMTLR, + iMTCTR, iDIVW, iLFSX, iSRW, iSTFSX, iSRAW, iEXTSH, iEXTSB, iLWZ, iLBZ, + iSTW, iSTWU, iSTB, iLHZ, iSTH, iLFS, iLFD, iSTFS, iSTFD, iLD, iFDIVS, + iFSUBS, iFADDS, iFMULS, iSTD, iSTDU, iFRSP, iFCTIWZ, iFSUB, iFNEG, +} powerpc_iname_t; + +#include <stdint.h> + +typedef uint32_t ppc_instruction_t; + +extern ppc_instruction_t +asm_instruction( powerpc_iname_t, const int, const long int * ); + +#define IN( inst, args... ) \ +({\ + const long int argv[] = { args };\ + const int argc = sizeof( argv ) / sizeof( argv[0] ); \ + asm_instruction( inst, argc, argv );\ +}) + +#endif |