From e70cb6cd9ab5e88c1d4fe20a454ddc3bcd1a4453 Mon Sep 17 00:00:00 2001 From: Chris Demetriou Date: Thu, 26 May 2005 21:31:57 +0000 Subject: 2005-05-26 David Ung * mips.igen (mips32r2, mips64r2): New ISA models. Add new model tags to all instructions which are applicable to the new ISAs. (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Add, moved from vr.igen. * mips3264r2.igen: New file for MIPS 32/64 revision 2 specific instructions. * vr.igen (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Move to mips.igen. * configure.ac (mipsisa32r2*-*-*, mipsisa64r2*-*-*): Add new targets. * configure: Regenerate. --- sim/mips/mips3264r2.igen | 260 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 260 insertions(+) create mode 100644 sim/mips/mips3264r2.igen (limited to 'sim/mips/mips3264r2.igen') diff --git a/sim/mips/mips3264r2.igen b/sim/mips/mips3264r2.igen new file mode 100644 index 0000000..e0d1326 --- /dev/null +++ b/sim/mips/mips3264r2.igen @@ -0,0 +1,260 @@ +// -*- C -*- + +// Simulator definition for the MIPS 32/64 revision 2 instructions. +// Copyright (C) 2004 Free Software Foundation, Inc. +// Contributed by David Ung, of MIPS Technologies. +// +// This file is part of GDB, the GNU debugger. +// +// This program 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, or (at your option) +// any later version. +// +// This program 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 this program; if not, write to the Free Software Foundation, Inc., +// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + +011111,5.RS,5.RT,5.SIZE,5.LSB,000011::64::DEXT +"dext r, r, , " +*mips64r2: +{ + check_u64 (SD_, instruction_0); + TRACE_ALU_INPUT3 (GPR[RS], LSB, SIZE); + GPR[RT] = EXTRACTED64 (GPR[RS], LSB + SIZE, LSB); + TRACE_ALU_RESULT1 (GPR[RT]); +} + +011111,5.RS,5.RT,5.SIZE,5.LSB,000001::64::DEXTM +"dextm r, r, , " +*mips64r2: +{ + check_u64 (SD_, instruction_0); + TRACE_ALU_INPUT3 (GPR[RS], LSB, SIZE); + GPR[RT] = EXTRACTED64 (GPR[RS], LSB + SIZE + 32, LSB); + TRACE_ALU_RESULT1 (GPR[RT]); +} + +011111,5.RS,5.RT,5.SIZE,5.LSB,000010::64::DEXTU +"dextu r, r, , " +*mips64r2: +{ + check_u64 (SD_, instruction_0); + TRACE_ALU_INPUT3 (GPR[RS], LSB, SIZE); + GPR[RT] = EXTRACTED64 (GPR[RS], LSB + 32 + SIZE, LSB + 32); + TRACE_ALU_RESULT1 (GPR[RT]); +} + + +010000,01011,5.RT,01100,00000,0,00,000::32::DI +"di":RT == 0 +"di r" +*mips32r2: +*mips64r2: +{ + TRACE_ALU_INPUT0 (); + GPR[RT] = EXTEND32 (SR); + SR &= ~status_IE; + TRACE_ALU_RESULT1 (GPR[RT]); +} + + +011111,5.RS,5.RT,5.MSB,5.LSB,000111::64::DINS +"dins r, r, , " +*mips64r2: +{ + check_u64 (SD_, instruction_0); + TRACE_ALU_INPUT4 (GPR[RT], GPR[RS], LSB, MSB); + if (LSB <= MSB) + GPR[RT] ^= (GPR[RT] ^ (GPR[RS] << LSB)) & MASK64 (MSB, LSB); + TRACE_ALU_RESULT1 (GPR[RT]); +} + +011111,5.RS,5.RT,5.MSB,5.LSB,000101::64::DINSM +"dinsm r, r, , " +*mips64r2: +{ + check_u64 (SD_, instruction_0); + TRACE_ALU_INPUT4 (GPR[RT], GPR[RS], LSB, MSB); + if (LSB <= MSB + 32) + GPR[RT] ^= (GPR[RT] ^ (GPR[RS] << LSB)) & MASK64 (MSB + 32, LSB); + TRACE_ALU_RESULT1 (GPR[RT]); +} + +011111,5.RS,5.RT,5.MSB,5.LSB,000110::64::DINSU +"dinsu r, r, , " +*mips64r2: +{ + check_u64 (SD_, instruction_0); + TRACE_ALU_INPUT4 (GPR[RT], GPR[RS], LSB, MSB); + if (LSB <= MSB) + GPR[RT] ^= (GPR[RT] ^ (GPR[RS] << (LSB + 32))) + & MASK64 (MSB + 32, LSB + 32); + TRACE_ALU_RESULT1 (GPR[RT]); +} + + +011111,00000,5.RT,5.RD,00010,100100::64::DSBH +"dsbh r, r" +*mips64r2: +{ + union { unsigned64 d; unsigned16 h[4]; } u; + check_u64 (SD_, instruction_0); + TRACE_ALU_INPUT1 (GPR[RT]); + u.d = GPR[RT]; + u.h[0] = SWAP_2 (u.h[0]); + u.h[1] = SWAP_2 (u.h[1]); + u.h[2] = SWAP_2 (u.h[2]); + u.h[3] = SWAP_2 (u.h[3]); + GPR[RD] = u.d; + TRACE_ALU_RESULT1 (GPR[RD]); +} + +011111,00000,5.RT,5.RD,00101,100100::64::DSHD +"dshd r, r" +*mips64r2: +{ + unsigned64 d; + check_u64 (SD_, instruction_0); + TRACE_ALU_INPUT1 (GPR[RT]); + d = GPR[RT]; + GPR[RD] = ((d >> 48) + | (d << 48) + | ((d & 0x0000ffff00000000) >> 16) + | ((d & 0x00000000ffff0000) << 16)); + TRACE_ALU_RESULT1 (GPR[RD]); +} + + +010000,01011,5.RT,01100,00000,1,00,000::32::EI +"ei":RT == 0 +"ei r" +*mips32r2: +*mips64r2: +{ + TRACE_ALU_INPUT0 (); + GPR[RT] = EXTEND32 (SR); + SR |= status_IE; + TRACE_ALU_RESULT1 (GPR[RT]); +} + + +011111,5.RS,5.RT,5.SIZE,5.LSB,000000::32::EXT +"ext r, r, , " +*mips32r2: +*mips64r2: +{ + TRACE_ALU_INPUT3 (GPR[RS], LSB, SIZE); + GPR[RT] = EXTEND32 (EXTRACTED32 (GPR[RS], LSB + SIZE, LSB)); + TRACE_ALU_RESULT1 (GPR[RT]); +} + + +010001,00011,5.RT,5.FS,00000000000:COP1Sa:32,f::MFHC1 +"mfhc1 r, f" +*mips32r2: +*mips64r2: +{ + check_fpu (SD_); + if (SizeFGR() == 64) + GPR[RT] = EXTEND32 (WORD64HI (FGR[FS])); + else if ((FS & 0x1) == 0) + GPR[RT] = EXTEND32 (FGR[FS + 1]); + else + { + if (STATE_VERBOSE_P(SD)) + sim_io_eprintf (SD, + "Warning: PC 0x%lx: MFHC1 32-bit use of odd FPR number\n", + (long) CIA); + GPR[RT] = EXTEND32 (0xBADF00D); + } + TRACE_ALU_RESULT (GPR[RT]); +} + +010001,00111,5.RT,5.FS,00000000000:COP1Sa:32,f::MTHC1 +"mthc1 r, f" +*mips32r2: +*mips64r2: +{ + check_fpu (SD_); + if (SizeFGR() == 64) + StoreFPR (FS, fmt_uninterpreted_64, SET64HI (GPR[RT]) | VL4_8 (FGR[FS])); + else if ((FS & 0x1) == 0) + StoreFPR (FS + 1, fmt_uninterpreted_32, VL4_8 (GPR[RT])); + else + { + if (STATE_VERBOSE_P(SD)) + sim_io_eprintf (SD, + "Warning: PC 0x%lx: MTHC1 32-bit use of odd FPR number\n", + (long) CIA); + StoreFPR (FS, fmt_uninterpreted_32, 0xDEADC0DE); + } + TRACE_FP_RESULT (GPR[RT]); +} + + +011111,5.RS,5.RT,5.MSB,5.LSB,000100::32::INS +"ins r, r, , " +*mips32r2: +*mips64r2: +{ + TRACE_ALU_INPUT4 (GPR[RT], GPR[RS], LSB, MSB); + if (LSB <= MSB) + GPR[RT] = EXTEND32 (GPR[RT] ^ + ((GPR[RT] ^ (GPR[RS] << LSB)) & MASK32 (MSB, LSB))); + TRACE_ALU_RESULT1 (GPR[RT]); +} + + +011111,00000,5.RT,5.RD,10000,100000::32::SEB +"seb r, r" +*mips32r2: +*mips64r2: +{ + TRACE_ALU_INPUT1 (GPR[RT]); + GPR[RD] = EXTEND8 (GPR[RT]); + TRACE_ALU_RESULT1 (GPR[RD]); +} + +011111,00000,5.RT,5.RD,11000,100000::32::SEH +"seh r, r" +*mips32r2: +*mips64r2: +{ + TRACE_ALU_INPUT1 (GPR[RT]); + GPR[RD] = EXTEND16 (GPR[RT]); + TRACE_ALU_RESULT1 (GPR[RD]); +} + + +000001,5.BASE,11111,16.OFFSET::32::SYNCI +"synci (r)" +*mips32r2: +*mips64r2: +{ + // sync i-cache - nothing to do currently +} + + +011111,00000,5.RT,5.RD,00010,100000::32::WSBH +"wsbh r, r" +*mips32r2: +*mips64r2: +{ + union { unsigned32 w; unsigned16 h[2]; } u; + TRACE_ALU_INPUT1 (GPR[RT]); + u.w = GPR[RT]; + u.h[0] = SWAP_2 (u.h[0]); + u.h[1] = SWAP_2 (u.h[1]); + GPR[RD] = EXTEND32 (u.w); + TRACE_ALU_RESULT1 (GPR[RD]); +} + + + -- cgit v1.1