2007-03-18 01:30:29 +01:00
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/*
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* MIPS emulation for qemu: CPU initialisation routines.
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*
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* Copyright (c) 2004-2005 Jocelyn Mayer
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* Copyright (c) 2007 Herve Poussineau
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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2007-03-21 12:04:42 +01:00
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/* CPU / CPU family specific config register values. */
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2007-12-25 04:13:56 +01:00
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/* Have config1, uncached coherency */
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2007-03-21 12:04:42 +01:00
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#define MIPS_CONFIG0 \
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2007-12-25 04:13:56 +01:00
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((1 << CP0C0_M) | (0x2 << CP0C0_K0))
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2007-03-21 12:04:42 +01:00
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2007-07-30 00:11:46 +02:00
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/* Have config2, no coprocessor2 attached, no MDMX support attached,
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2007-03-21 12:04:42 +01:00
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no performance counters, watch registers present,
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no code compression, EJTAG present, no FPU */
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#define MIPS_CONFIG1 \
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2007-04-17 17:26:47 +02:00
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((1 << CP0C1_M) | \
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2007-03-21 12:04:42 +01:00
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(0 << CP0C1_C2) | (0 << CP0C1_MD) | (0 << CP0C1_PC) | \
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(1 << CP0C1_WR) | (0 << CP0C1_CA) | (1 << CP0C1_EP) | \
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(0 << CP0C1_FP))
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/* Have config3, no tertiary/secondary caches implemented */
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#define MIPS_CONFIG2 \
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((1 << CP0C2_M))
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2007-12-25 04:13:56 +01:00
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/* No config4, no DSP ASE, no large physaddr (PABITS),
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2007-03-21 12:04:42 +01:00
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no external interrupt controller, no vectored interupts,
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2007-09-06 02:18:15 +02:00
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no 1kb pages, no SmartMIPS ASE, no trace logic */
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2007-03-21 12:04:42 +01:00
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#define MIPS_CONFIG3 \
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((0 << CP0C3_M) | (0 << CP0C3_DSPP) | (0 << CP0C3_LPA) | \
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(0 << CP0C3_VEIC) | (0 << CP0C3_VInt) | (0 << CP0C3_SP) | \
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2007-09-06 02:18:15 +02:00
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(0 << CP0C3_SM) | (0 << CP0C3_TL))
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2007-03-21 12:04:42 +01:00
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/* Define a implementation number of 1.
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Define a major version 1, minor version 0. */
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2007-05-07 15:55:33 +02:00
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#define MIPS_FCR0 ((0 << FCR0_S) | (0x1 << FCR0_PRID) | (0x10 << FCR0_REV))
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2007-03-21 12:04:42 +01:00
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2007-12-25 04:13:56 +01:00
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/* MMU types, the first four entries have the same layout as the
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CP0C0_MT field. */
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enum mips_mmu_types {
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MMU_TYPE_NONE,
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MMU_TYPE_R4000,
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MMU_TYPE_RESERVED,
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MMU_TYPE_FMT,
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MMU_TYPE_R3000,
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MMU_TYPE_R6000,
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MMU_TYPE_R8000
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};
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2007-03-18 01:30:29 +01:00
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struct mips_def_t {
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2008-07-20 21:13:19 +02:00
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const char *name;
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2007-03-18 01:30:29 +01:00
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int32_t CP0_PRid;
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int32_t CP0_Config0;
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int32_t CP0_Config1;
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2007-03-21 12:04:42 +01:00
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int32_t CP0_Config2;
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int32_t CP0_Config3;
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2007-03-25 00:36:18 +01:00
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int32_t CP0_Config6;
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int32_t CP0_Config7;
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2007-04-11 22:34:23 +02:00
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int32_t SYNCI_Step;
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int32_t CCRes;
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2007-09-06 02:18:15 +02:00
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int32_t CP0_Status_rw_bitmask;
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int32_t CP0_TCStatus_rw_bitmask;
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int32_t CP0_SRSCtl;
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2007-03-21 12:04:42 +01:00
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int32_t CP1_fcr0;
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2007-06-23 20:04:12 +02:00
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int32_t SEGBITS;
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2007-12-25 04:13:56 +01:00
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int32_t PABITS;
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2007-09-06 02:18:15 +02:00
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int32_t CP0_SRSConf0_rw_bitmask;
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int32_t CP0_SRSConf0;
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int32_t CP0_SRSConf1_rw_bitmask;
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int32_t CP0_SRSConf1;
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int32_t CP0_SRSConf2_rw_bitmask;
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int32_t CP0_SRSConf2;
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int32_t CP0_SRSConf3_rw_bitmask;
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int32_t CP0_SRSConf3;
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int32_t CP0_SRSConf4_rw_bitmask;
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int32_t CP0_SRSConf4;
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2007-09-24 14:48:00 +02:00
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int insn_flags;
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2007-12-25 04:13:56 +01:00
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enum mips_mmu_types mmu_type;
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2007-03-18 01:30:29 +01:00
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};
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/*****************************************************************************/
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/* MIPS CPU definitions */
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2008-07-21 23:38:04 +02:00
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static const mips_def_t mips_defs[] =
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2007-03-18 01:30:29 +01:00
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{
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{
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.name = "4Kc",
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.CP0_PRid = 0x00018000,
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2007-12-25 04:13:56 +01:00
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.CP0_Config0 = MIPS_CONFIG0 | (MMU_TYPE_R4000 << CP0C0_MT),
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2007-07-30 00:11:46 +02:00
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.CP0_Config1 = MIPS_CONFIG1 | (15 << CP0C1_MMU) |
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(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
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(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
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2007-03-21 12:04:42 +01:00
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.CP0_Config2 = MIPS_CONFIG2,
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.CP0_Config3 = MIPS_CONFIG3,
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2007-04-11 22:34:23 +02:00
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.SYNCI_Step = 32,
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.CCRes = 2,
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2007-09-06 02:18:15 +02:00
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.CP0_Status_rw_bitmask = 0x1278FF17,
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2007-12-25 04:13:56 +01:00
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.SEGBITS = 32,
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.PABITS = 32,
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2007-09-24 14:48:00 +02:00
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.insn_flags = CPU_MIPS32 | ASE_MIPS16,
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2007-12-25 04:13:56 +01:00
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.mmu_type = MMU_TYPE_R4000,
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2007-03-18 01:30:29 +01:00
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},
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2007-11-19 17:10:33 +01:00
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{
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.name = "4Km",
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.CP0_PRid = 0x00018300,
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/* Config1 implemented, fixed mapping MMU,
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no virtual icache, uncached coherency. */
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2007-12-25 04:13:56 +01:00
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.CP0_Config0 = MIPS_CONFIG0 | (MMU_TYPE_FMT << CP0C0_MT),
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2007-11-19 17:10:33 +01:00
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.CP0_Config1 = MIPS_CONFIG1 |
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(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
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(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
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.CP0_Config2 = MIPS_CONFIG2,
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.CP0_Config3 = MIPS_CONFIG3,
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.SYNCI_Step = 32,
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.CCRes = 2,
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.CP0_Status_rw_bitmask = 0x1258FF17,
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2007-12-25 04:13:56 +01:00
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.SEGBITS = 32,
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.PABITS = 32,
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2007-11-19 17:10:33 +01:00
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.insn_flags = CPU_MIPS32 | ASE_MIPS16,
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2007-12-25 04:13:56 +01:00
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.mmu_type = MMU_TYPE_FMT,
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2007-11-19 17:10:33 +01:00
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},
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2007-03-18 01:30:29 +01:00
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{
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2007-03-25 00:36:18 +01:00
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.name = "4KEcR1",
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2007-03-18 01:30:29 +01:00
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.CP0_PRid = 0x00018400,
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2007-12-25 04:13:56 +01:00
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.CP0_Config0 = MIPS_CONFIG0 | (MMU_TYPE_R4000 << CP0C0_MT),
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2007-07-30 00:11:46 +02:00
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.CP0_Config1 = MIPS_CONFIG1 | (15 << CP0C1_MMU) |
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(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
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(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
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2007-03-25 00:36:18 +01:00
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.CP0_Config2 = MIPS_CONFIG2,
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.CP0_Config3 = MIPS_CONFIG3,
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2007-04-11 22:34:23 +02:00
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.SYNCI_Step = 32,
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.CCRes = 2,
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2007-09-06 02:18:15 +02:00
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.CP0_Status_rw_bitmask = 0x1278FF17,
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2007-12-25 04:13:56 +01:00
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.SEGBITS = 32,
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.PABITS = 32,
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2007-09-24 14:48:00 +02:00
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.insn_flags = CPU_MIPS32 | ASE_MIPS16,
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2007-12-25 04:13:56 +01:00
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.mmu_type = MMU_TYPE_R4000,
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2007-03-25 00:36:18 +01:00
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},
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2007-11-19 17:10:33 +01:00
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{
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.name = "4KEmR1",
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.CP0_PRid = 0x00018500,
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2007-12-25 04:13:56 +01:00
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.CP0_Config0 = MIPS_CONFIG0 | (MMU_TYPE_FMT << CP0C0_MT),
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2007-11-19 17:10:33 +01:00
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.CP0_Config1 = MIPS_CONFIG1 |
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(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
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(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
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.CP0_Config2 = MIPS_CONFIG2,
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.CP0_Config3 = MIPS_CONFIG3,
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.SYNCI_Step = 32,
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.CCRes = 2,
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.CP0_Status_rw_bitmask = 0x1258FF17,
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2007-12-25 04:13:56 +01:00
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.SEGBITS = 32,
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.PABITS = 32,
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2007-11-19 17:10:33 +01:00
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.insn_flags = CPU_MIPS32 | ASE_MIPS16,
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2007-12-25 04:13:56 +01:00
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.mmu_type = MMU_TYPE_FMT,
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2007-11-19 17:10:33 +01:00
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},
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2007-03-25 00:36:18 +01:00
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{
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.name = "4KEc",
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.CP0_PRid = 0x00019000,
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2007-12-25 04:13:56 +01:00
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.CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
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(MMU_TYPE_R4000 << CP0C0_MT),
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2007-07-30 00:11:46 +02:00
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.CP0_Config1 = MIPS_CONFIG1 | (15 << CP0C1_MMU) |
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(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
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(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
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2007-03-25 00:36:18 +01:00
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.CP0_Config2 = MIPS_CONFIG2,
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2007-09-06 02:18:15 +02:00
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.CP0_Config3 = MIPS_CONFIG3 | (0 << CP0C3_VInt),
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2007-04-11 22:34:23 +02:00
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.SYNCI_Step = 32,
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.CCRes = 2,
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2007-09-06 02:18:15 +02:00
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.CP0_Status_rw_bitmask = 0x1278FF17,
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2007-12-25 04:13:56 +01:00
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.SEGBITS = 32,
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.PABITS = 32,
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2007-09-24 14:48:00 +02:00
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.insn_flags = CPU_MIPS32R2 | ASE_MIPS16,
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2007-12-25 04:13:56 +01:00
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.mmu_type = MMU_TYPE_R4000,
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2007-03-25 00:36:18 +01:00
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},
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2007-11-14 04:11:17 +01:00
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{
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.name = "4KEm",
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.CP0_PRid = 0x00019100,
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2007-12-25 04:13:56 +01:00
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.CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
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(MMU_TYPE_FMT << CP0C0_MT),
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2007-11-14 04:11:17 +01:00
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.CP0_Config1 = MIPS_CONFIG1 |
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(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
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(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
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.CP0_Config2 = MIPS_CONFIG2,
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.CP0_Config3 = MIPS_CONFIG3,
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.SYNCI_Step = 32,
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.CCRes = 2,
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.CP0_Status_rw_bitmask = 0x1258FF17,
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2007-12-25 04:13:56 +01:00
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.SEGBITS = 32,
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.PABITS = 32,
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2007-11-14 04:11:17 +01:00
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.insn_flags = CPU_MIPS32R2 | ASE_MIPS16,
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2007-12-25 04:13:56 +01:00
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.mmu_type = MMU_TYPE_FMT,
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2007-11-14 04:11:17 +01:00
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},
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2007-03-25 00:36:18 +01:00
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{
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.name = "24Kc",
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.CP0_PRid = 0x00019300,
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2007-12-25 04:13:56 +01:00
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.CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
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(MMU_TYPE_R4000 << CP0C0_MT),
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2007-07-30 00:11:46 +02:00
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.CP0_Config1 = MIPS_CONFIG1 | (15 << CP0C1_MMU) |
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(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
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(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
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2007-03-21 12:04:42 +01:00
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.CP0_Config2 = MIPS_CONFIG2,
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2007-09-06 02:18:15 +02:00
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.CP0_Config3 = MIPS_CONFIG3 | (0 << CP0C3_VInt),
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2007-04-11 22:34:23 +02:00
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.SYNCI_Step = 32,
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.CCRes = 2,
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2007-09-06 02:18:15 +02:00
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/* No DSP implemented. */
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2007-09-29 21:21:36 +02:00
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.CP0_Status_rw_bitmask = 0x1278FF1F,
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2007-12-25 04:13:56 +01:00
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.SEGBITS = 32,
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.PABITS = 32,
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2007-11-14 04:11:17 +01:00
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.insn_flags = CPU_MIPS32R2 | ASE_MIPS16,
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2007-12-25 04:13:56 +01:00
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.mmu_type = MMU_TYPE_R4000,
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2007-03-18 01:30:29 +01:00
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},
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{
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.name = "24Kf",
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.CP0_PRid = 0x00019300,
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2007-12-25 04:13:56 +01:00
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.CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
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(MMU_TYPE_R4000 << CP0C0_MT),
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2007-07-30 00:11:46 +02:00
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.CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (15 << CP0C1_MMU) |
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(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
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(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
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2007-03-21 12:04:42 +01:00
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.CP0_Config2 = MIPS_CONFIG2,
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2007-09-06 02:18:15 +02:00
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.CP0_Config3 = MIPS_CONFIG3 | (0 << CP0C3_VInt),
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2007-04-11 22:34:23 +02:00
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.SYNCI_Step = 32,
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.CCRes = 2,
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2007-09-06 02:18:15 +02:00
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/* No DSP implemented. */
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2007-09-29 21:21:36 +02:00
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.CP0_Status_rw_bitmask = 0x3678FF1F,
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2007-05-07 15:55:33 +02:00
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|
|
.CP1_fcr0 = (1 << FCR0_F64) | (1 << FCR0_L) | (1 << FCR0_W) |
|
|
|
|
(1 << FCR0_D) | (1 << FCR0_S) | (0x93 << FCR0_PRID),
|
2007-12-25 04:13:56 +01:00
|
|
|
.SEGBITS = 32,
|
|
|
|
.PABITS = 32,
|
2007-11-14 04:11:17 +01:00
|
|
|
.insn_flags = CPU_MIPS32R2 | ASE_MIPS16,
|
2007-12-25 04:13:56 +01:00
|
|
|
.mmu_type = MMU_TYPE_R4000,
|
2007-03-18 01:30:29 +01:00
|
|
|
},
|
2007-09-06 02:18:15 +02:00
|
|
|
{
|
|
|
|
.name = "34Kf",
|
|
|
|
.CP0_PRid = 0x00019500,
|
2007-12-25 04:13:56 +01:00
|
|
|
.CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
|
|
|
|
(MMU_TYPE_R4000 << CP0C0_MT),
|
2007-09-06 02:18:15 +02:00
|
|
|
.CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (15 << CP0C1_MMU) |
|
|
|
|
(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
|
|
|
|
(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
|
|
|
|
.CP0_Config2 = MIPS_CONFIG2,
|
|
|
|
.CP0_Config3 = MIPS_CONFIG3 | (0 << CP0C3_VInt) | (1 << CP0C3_MT),
|
|
|
|
.SYNCI_Step = 32,
|
|
|
|
.CCRes = 2,
|
|
|
|
/* No DSP implemented. */
|
2007-09-29 21:21:36 +02:00
|
|
|
.CP0_Status_rw_bitmask = 0x3678FF1F,
|
2007-09-06 02:18:15 +02:00
|
|
|
/* No DSP implemented. */
|
|
|
|
.CP0_TCStatus_rw_bitmask = (0 << CP0TCSt_TCU3) | (0 << CP0TCSt_TCU2) |
|
|
|
|
(1 << CP0TCSt_TCU1) | (1 << CP0TCSt_TCU0) |
|
|
|
|
(0 << CP0TCSt_TMX) | (1 << CP0TCSt_DT) |
|
|
|
|
(1 << CP0TCSt_DA) | (1 << CP0TCSt_A) |
|
|
|
|
(0x3 << CP0TCSt_TKSU) | (1 << CP0TCSt_IXMT) |
|
|
|
|
(0xff << CP0TCSt_TASID),
|
|
|
|
.CP1_fcr0 = (1 << FCR0_F64) | (1 << FCR0_L) | (1 << FCR0_W) |
|
|
|
|
(1 << FCR0_D) | (1 << FCR0_S) | (0x95 << FCR0_PRID),
|
|
|
|
.CP0_SRSCtl = (0xf << CP0SRSCtl_HSS),
|
|
|
|
.CP0_SRSConf0_rw_bitmask = 0x3fffffff,
|
|
|
|
.CP0_SRSConf0 = (1 << CP0SRSC0_M) | (0x3fe << CP0SRSC0_SRS3) |
|
|
|
|
(0x3fe << CP0SRSC0_SRS2) | (0x3fe << CP0SRSC0_SRS1),
|
|
|
|
.CP0_SRSConf1_rw_bitmask = 0x3fffffff,
|
|
|
|
.CP0_SRSConf1 = (1 << CP0SRSC1_M) | (0x3fe << CP0SRSC1_SRS6) |
|
|
|
|
(0x3fe << CP0SRSC1_SRS5) | (0x3fe << CP0SRSC1_SRS4),
|
|
|
|
.CP0_SRSConf2_rw_bitmask = 0x3fffffff,
|
|
|
|
.CP0_SRSConf2 = (1 << CP0SRSC2_M) | (0x3fe << CP0SRSC2_SRS9) |
|
|
|
|
(0x3fe << CP0SRSC2_SRS8) | (0x3fe << CP0SRSC2_SRS7),
|
|
|
|
.CP0_SRSConf3_rw_bitmask = 0x3fffffff,
|
|
|
|
.CP0_SRSConf3 = (1 << CP0SRSC3_M) | (0x3fe << CP0SRSC3_SRS12) |
|
|
|
|
(0x3fe << CP0SRSC3_SRS11) | (0x3fe << CP0SRSC3_SRS10),
|
|
|
|
.CP0_SRSConf4_rw_bitmask = 0x3fffffff,
|
|
|
|
.CP0_SRSConf4 = (0x3fe << CP0SRSC4_SRS15) |
|
|
|
|
(0x3fe << CP0SRSC4_SRS14) | (0x3fe << CP0SRSC4_SRS13),
|
2007-12-25 04:13:56 +01:00
|
|
|
.SEGBITS = 32,
|
|
|
|
.PABITS = 32,
|
2007-10-23 19:04:27 +02:00
|
|
|
.insn_flags = CPU_MIPS32R2 | ASE_MIPS16 | ASE_DSP | ASE_MT,
|
2007-12-25 04:13:56 +01:00
|
|
|
.mmu_type = MMU_TYPE_R4000,
|
2007-09-06 02:18:15 +02:00
|
|
|
},
|
2007-11-08 19:05:37 +01:00
|
|
|
#if defined(TARGET_MIPS64)
|
2007-03-18 01:30:29 +01:00
|
|
|
{
|
|
|
|
.name = "R4000",
|
|
|
|
.CP0_PRid = 0x00000400,
|
2007-12-25 04:13:56 +01:00
|
|
|
/* No L2 cache, icache size 8k, dcache size 8k, uncached coherency. */
|
|
|
|
.CP0_Config0 = (1 << 17) | (0x1 << 9) | (0x1 << 6) | (0x2 << CP0C0_K0),
|
|
|
|
/* Note: Config1 is only used internally, the R4000 has only Config0. */
|
|
|
|
.CP0_Config1 = (1 << CP0C1_FP) | (47 << CP0C1_MMU),
|
2007-04-11 22:34:23 +02:00
|
|
|
.SYNCI_Step = 16,
|
|
|
|
.CCRes = 2,
|
2007-09-06 02:18:15 +02:00
|
|
|
.CP0_Status_rw_bitmask = 0x3678FFFF,
|
2007-12-25 04:13:56 +01:00
|
|
|
/* The R4000 has a full 64bit FPU but doesn't use the fcr0 bits. */
|
2007-06-01 16:58:56 +02:00
|
|
|
.CP1_fcr0 = (0x5 << FCR0_PRID) | (0x0 << FCR0_REV),
|
2007-06-23 20:04:12 +02:00
|
|
|
.SEGBITS = 40,
|
2007-12-25 04:13:56 +01:00
|
|
|
.PABITS = 36,
|
2007-09-24 14:48:00 +02:00
|
|
|
.insn_flags = CPU_MIPS3,
|
2007-12-25 04:13:56 +01:00
|
|
|
.mmu_type = MMU_TYPE_R4000,
|
2007-06-01 16:58:56 +02:00
|
|
|
},
|
2007-12-25 21:46:56 +01:00
|
|
|
{
|
|
|
|
.name = "VR5432",
|
|
|
|
.CP0_PRid = 0x00005400,
|
|
|
|
/* No L2 cache, icache size 8k, dcache size 8k, uncached coherency. */
|
|
|
|
.CP0_Config0 = (1 << 17) | (0x1 << 9) | (0x1 << 6) | (0x2 << CP0C0_K0),
|
|
|
|
.CP0_Config1 = (1 << CP0C1_FP) | (47 << CP0C1_MMU),
|
|
|
|
.SYNCI_Step = 16,
|
|
|
|
.CCRes = 2,
|
|
|
|
.CP0_Status_rw_bitmask = 0x3678FFFF,
|
|
|
|
/* The VR5432 has a full 64bit FPU but doesn't use the fcr0 bits. */
|
|
|
|
.CP1_fcr0 = (0x54 << FCR0_PRID) | (0x0 << FCR0_REV),
|
|
|
|
.SEGBITS = 40,
|
|
|
|
.PABITS = 32,
|
|
|
|
.insn_flags = CPU_VR54XX,
|
|
|
|
.mmu_type = MMU_TYPE_R4000,
|
|
|
|
},
|
2007-06-01 16:58:56 +02:00
|
|
|
{
|
|
|
|
.name = "5Kc",
|
|
|
|
.CP0_PRid = 0x00018100,
|
2007-12-25 18:32:46 +01:00
|
|
|
.CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT) |
|
2007-12-25 04:13:56 +01:00
|
|
|
(MMU_TYPE_R4000 << CP0C0_MT),
|
2007-06-01 16:58:56 +02:00
|
|
|
.CP0_Config1 = MIPS_CONFIG1 | (31 << CP0C1_MMU) |
|
|
|
|
(1 << CP0C1_IS) | (4 << CP0C1_IL) | (1 << CP0C1_IA) |
|
|
|
|
(1 << CP0C1_DS) | (4 << CP0C1_DL) | (1 << CP0C1_DA) |
|
|
|
|
(1 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP),
|
|
|
|
.CP0_Config2 = MIPS_CONFIG2,
|
|
|
|
.CP0_Config3 = MIPS_CONFIG3,
|
|
|
|
.SYNCI_Step = 32,
|
|
|
|
.CCRes = 2,
|
2007-09-06 02:18:15 +02:00
|
|
|
.CP0_Status_rw_bitmask = 0x32F8FFFF,
|
2007-06-23 20:04:12 +02:00
|
|
|
.SEGBITS = 42,
|
2007-12-25 04:13:56 +01:00
|
|
|
.PABITS = 36,
|
2007-09-24 14:48:00 +02:00
|
|
|
.insn_flags = CPU_MIPS64,
|
2007-12-25 04:13:56 +01:00
|
|
|
.mmu_type = MMU_TYPE_R4000,
|
2007-06-01 16:58:56 +02:00
|
|
|
},
|
|
|
|
{
|
|
|
|
.name = "5Kf",
|
|
|
|
.CP0_PRid = 0x00018100,
|
2007-12-25 18:32:46 +01:00
|
|
|
.CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT) |
|
2007-12-25 04:13:56 +01:00
|
|
|
(MMU_TYPE_R4000 << CP0C0_MT),
|
2007-06-01 16:58:56 +02:00
|
|
|
.CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (31 << CP0C1_MMU) |
|
|
|
|
(1 << CP0C1_IS) | (4 << CP0C1_IL) | (1 << CP0C1_IA) |
|
|
|
|
(1 << CP0C1_DS) | (4 << CP0C1_DL) | (1 << CP0C1_DA) |
|
|
|
|
(1 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP),
|
|
|
|
.CP0_Config2 = MIPS_CONFIG2,
|
|
|
|
.CP0_Config3 = MIPS_CONFIG3,
|
|
|
|
.SYNCI_Step = 32,
|
|
|
|
.CCRes = 2,
|
2007-09-06 02:18:15 +02:00
|
|
|
.CP0_Status_rw_bitmask = 0x36F8FFFF,
|
2007-06-01 23:57:32 +02:00
|
|
|
/* The 5Kf has F64 / L / W but doesn't use the fcr0 bits. */
|
2007-06-01 16:58:56 +02:00
|
|
|
.CP1_fcr0 = (1 << FCR0_D) | (1 << FCR0_S) |
|
|
|
|
(0x81 << FCR0_PRID) | (0x0 << FCR0_REV),
|
2007-06-23 20:04:12 +02:00
|
|
|
.SEGBITS = 42,
|
2007-12-25 04:13:56 +01:00
|
|
|
.PABITS = 36,
|
2007-09-24 14:48:00 +02:00
|
|
|
.insn_flags = CPU_MIPS64,
|
2007-12-25 04:13:56 +01:00
|
|
|
.mmu_type = MMU_TYPE_R4000,
|
2007-06-01 16:58:56 +02:00
|
|
|
},
|
|
|
|
{
|
|
|
|
.name = "20Kc",
|
2007-06-12 14:43:47 +02:00
|
|
|
/* We emulate a later version of the 20Kc, earlier ones had a broken
|
|
|
|
WAIT instruction. */
|
|
|
|
.CP0_PRid = 0x000182a0,
|
2007-12-25 18:32:46 +01:00
|
|
|
.CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT) |
|
2007-12-25 04:13:56 +01:00
|
|
|
(MMU_TYPE_R4000 << CP0C0_MT) | (1 << CP0C0_VI),
|
2007-06-01 16:58:56 +02:00
|
|
|
.CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (47 << CP0C1_MMU) |
|
|
|
|
(2 << CP0C1_IS) | (4 << CP0C1_IL) | (3 << CP0C1_IA) |
|
|
|
|
(2 << CP0C1_DS) | (4 << CP0C1_DL) | (3 << CP0C1_DA) |
|
|
|
|
(1 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP),
|
|
|
|
.CP0_Config2 = MIPS_CONFIG2,
|
|
|
|
.CP0_Config3 = MIPS_CONFIG3,
|
|
|
|
.SYNCI_Step = 32,
|
2007-12-24 15:33:57 +01:00
|
|
|
.CCRes = 1,
|
2007-09-06 02:18:15 +02:00
|
|
|
.CP0_Status_rw_bitmask = 0x36FBFFFF,
|
2007-06-01 23:57:32 +02:00
|
|
|
/* The 20Kc has F64 / L / W but doesn't use the fcr0 bits. */
|
2007-06-01 16:58:56 +02:00
|
|
|
.CP1_fcr0 = (1 << FCR0_3D) | (1 << FCR0_PS) |
|
2007-05-07 15:55:33 +02:00
|
|
|
(1 << FCR0_D) | (1 << FCR0_S) |
|
2007-06-01 16:58:56 +02:00
|
|
|
(0x82 << FCR0_PRID) | (0x0 << FCR0_REV),
|
2007-06-23 20:04:12 +02:00
|
|
|
.SEGBITS = 40,
|
2007-12-25 04:13:56 +01:00
|
|
|
.PABITS = 36,
|
2007-09-24 14:48:00 +02:00
|
|
|
.insn_flags = CPU_MIPS64 | ASE_MIPS3D,
|
2007-12-25 04:13:56 +01:00
|
|
|
.mmu_type = MMU_TYPE_R4000,
|
2007-03-18 01:30:29 +01:00
|
|
|
},
|
2007-10-29 10:38:43 +01:00
|
|
|
{
|
|
|
|
/* A generic CPU providing MIPS64 Release 2 features.
|
|
|
|
FIXME: Eventually this should be replaced by a real CPU model. */
|
|
|
|
.name = "MIPS64R2-generic",
|
2007-11-18 04:19:58 +01:00
|
|
|
.CP0_PRid = 0x00010000,
|
2007-12-25 04:13:56 +01:00
|
|
|
.CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) | (0x2 << CP0C0_AT) |
|
|
|
|
(MMU_TYPE_R4000 << CP0C0_MT),
|
2007-10-29 10:38:43 +01:00
|
|
|
.CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (63 << CP0C1_MMU) |
|
|
|
|
(2 << CP0C1_IS) | (4 << CP0C1_IL) | (3 << CP0C1_IA) |
|
|
|
|
(2 << CP0C1_DS) | (4 << CP0C1_DL) | (3 << CP0C1_DA) |
|
|
|
|
(1 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP),
|
|
|
|
.CP0_Config2 = MIPS_CONFIG2,
|
2007-12-25 04:13:56 +01:00
|
|
|
.CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_LPA),
|
2007-10-29 10:38:43 +01:00
|
|
|
.SYNCI_Step = 32,
|
|
|
|
.CCRes = 2,
|
|
|
|
.CP0_Status_rw_bitmask = 0x36FBFFFF,
|
2007-12-28 13:35:05 +01:00
|
|
|
.CP1_fcr0 = (1 << FCR0_F64) | (1 << FCR0_3D) | (1 << FCR0_PS) |
|
|
|
|
(1 << FCR0_L) | (1 << FCR0_W) | (1 << FCR0_D) |
|
|
|
|
(1 << FCR0_S) | (0x00 << FCR0_PRID) | (0x0 << FCR0_REV),
|
2007-12-25 04:13:56 +01:00
|
|
|
.SEGBITS = 42,
|
|
|
|
/* The architectural limit is 59, but we have hardcoded 36 bit
|
|
|
|
in some places...
|
|
|
|
.PABITS = 59, */ /* the architectural limit */
|
|
|
|
.PABITS = 36,
|
2007-10-29 10:38:43 +01:00
|
|
|
.insn_flags = CPU_MIPS64R2 | ASE_MIPS3D,
|
2007-12-25 04:13:56 +01:00
|
|
|
.mmu_type = MMU_TYPE_R4000,
|
2007-10-29 10:38:43 +01:00
|
|
|
},
|
2007-03-18 01:30:29 +01:00
|
|
|
#endif
|
|
|
|
};
|
|
|
|
|
2008-09-14 18:28:26 +02:00
|
|
|
static const mips_def_t *cpu_mips_find_by_name (const char *name)
|
2007-03-18 01:30:29 +01:00
|
|
|
{
|
2007-11-10 16:15:54 +01:00
|
|
|
int i;
|
2007-03-18 01:30:29 +01:00
|
|
|
|
2008-12-22 21:33:55 +01:00
|
|
|
for (i = 0; i < ARRAY_SIZE(mips_defs); i++) {
|
2007-03-18 01:30:29 +01:00
|
|
|
if (strcasecmp(name, mips_defs[i].name) == 0) {
|
2007-11-10 16:15:54 +01:00
|
|
|
return &mips_defs[i];
|
2007-03-18 01:30:29 +01:00
|
|
|
}
|
|
|
|
}
|
2007-11-10 16:15:54 +01:00
|
|
|
return NULL;
|
2007-03-18 01:30:29 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
void mips_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
2008-12-22 21:33:55 +01:00
|
|
|
for (i = 0; i < ARRAY_SIZE(mips_defs); i++) {
|
2007-03-18 01:30:29 +01:00
|
|
|
(*cpu_fprintf)(f, "MIPS '%s'\n",
|
|
|
|
mips_defs[i].name);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-09-02 19:39:45 +02:00
|
|
|
#ifndef CONFIG_USER_ONLY
|
2007-11-10 16:15:54 +01:00
|
|
|
static void no_mmu_init (CPUMIPSState *env, const mips_def_t *def)
|
2007-05-13 15:49:44 +02:00
|
|
|
{
|
2007-09-06 02:18:15 +02:00
|
|
|
env->tlb->nb_tlb = 1;
|
|
|
|
env->tlb->map_address = &no_mmu_map_address;
|
2007-05-13 15:49:44 +02:00
|
|
|
}
|
|
|
|
|
2007-11-10 16:15:54 +01:00
|
|
|
static void fixed_mmu_init (CPUMIPSState *env, const mips_def_t *def)
|
2007-05-13 15:49:44 +02:00
|
|
|
{
|
2007-09-06 02:18:15 +02:00
|
|
|
env->tlb->nb_tlb = 1;
|
|
|
|
env->tlb->map_address = &fixed_mmu_map_address;
|
2007-05-13 15:49:44 +02:00
|
|
|
}
|
|
|
|
|
2007-11-10 16:15:54 +01:00
|
|
|
static void r4k_mmu_init (CPUMIPSState *env, const mips_def_t *def)
|
2007-05-13 15:49:44 +02:00
|
|
|
{
|
2007-09-06 02:18:15 +02:00
|
|
|
env->tlb->nb_tlb = 1 + ((def->CP0_Config1 >> CP0C1_MMU) & 63);
|
|
|
|
env->tlb->map_address = &r4k_map_address;
|
|
|
|
env->tlb->do_tlbwi = r4k_do_tlbwi;
|
|
|
|
env->tlb->do_tlbwr = r4k_do_tlbwr;
|
|
|
|
env->tlb->do_tlbp = r4k_do_tlbp;
|
|
|
|
env->tlb->do_tlbr = r4k_do_tlbr;
|
|
|
|
}
|
|
|
|
|
2007-11-10 16:15:54 +01:00
|
|
|
static void mmu_init (CPUMIPSState *env, const mips_def_t *def)
|
2007-09-06 02:18:15 +02:00
|
|
|
{
|
|
|
|
env->tlb = qemu_mallocz(sizeof(CPUMIPSTLBContext));
|
|
|
|
|
2007-12-25 04:13:56 +01:00
|
|
|
switch (def->mmu_type) {
|
|
|
|
case MMU_TYPE_NONE:
|
2007-09-06 02:18:15 +02:00
|
|
|
no_mmu_init(env, def);
|
|
|
|
break;
|
2007-12-25 04:13:56 +01:00
|
|
|
case MMU_TYPE_R4000:
|
2007-09-06 02:18:15 +02:00
|
|
|
r4k_mmu_init(env, def);
|
|
|
|
break;
|
2007-12-25 04:13:56 +01:00
|
|
|
case MMU_TYPE_FMT:
|
2007-09-06 02:18:15 +02:00
|
|
|
fixed_mmu_init(env, def);
|
|
|
|
break;
|
2007-12-25 04:13:56 +01:00
|
|
|
case MMU_TYPE_R3000:
|
|
|
|
case MMU_TYPE_R6000:
|
|
|
|
case MMU_TYPE_R8000:
|
2007-09-06 02:18:15 +02:00
|
|
|
default:
|
|
|
|
cpu_abort(env, "MMU type not supported\n");
|
|
|
|
}
|
|
|
|
env->CP0_Random = env->tlb->nb_tlb - 1;
|
|
|
|
env->tlb->tlb_in_use = env->tlb->nb_tlb;
|
2007-05-13 15:49:44 +02:00
|
|
|
}
|
2008-09-02 19:39:45 +02:00
|
|
|
#endif /* CONFIG_USER_ONLY */
|
2007-05-13 15:49:44 +02:00
|
|
|
|
2007-11-10 16:15:54 +01:00
|
|
|
static void fpu_init (CPUMIPSState *env, const mips_def_t *def)
|
2007-09-06 02:18:15 +02:00
|
|
|
{
|
2008-09-18 13:57:27 +02:00
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < MIPS_FPU_MAX; i++)
|
|
|
|
env->fpus[i].fcr0 = def->CP1_fcr0;
|
2007-09-06 02:18:15 +02:00
|
|
|
|
2008-09-18 13:57:27 +02:00
|
|
|
memcpy(&env->active_fpu, &env->fpus[0], sizeof(env->active_fpu));
|
2008-07-23 18:14:22 +02:00
|
|
|
if (env->user_mode_only) {
|
|
|
|
if (env->CP0_Config1 & (1 << CP0C1_FP))
|
|
|
|
env->hflags |= MIPS_HFLAG_FPU;
|
2008-05-06 22:48:02 +02:00
|
|
|
#ifdef TARGET_MIPS64
|
2008-09-18 13:57:27 +02:00
|
|
|
if (env->active_fpu.fcr0 & (1 << FCR0_F64))
|
2008-07-23 18:14:22 +02:00
|
|
|
env->hflags |= MIPS_HFLAG_F64;
|
2008-05-06 22:48:02 +02:00
|
|
|
#endif
|
2008-07-23 18:14:22 +02:00
|
|
|
}
|
2007-09-06 02:18:15 +02:00
|
|
|
}
|
|
|
|
|
2007-11-10 16:15:54 +01:00
|
|
|
static void mvp_init (CPUMIPSState *env, const mips_def_t *def)
|
2007-09-06 02:18:15 +02:00
|
|
|
{
|
|
|
|
env->mvp = qemu_mallocz(sizeof(CPUMIPSMVPContext));
|
|
|
|
|
|
|
|
/* MVPConf1 implemented, TLB sharable, no gating storage support,
|
|
|
|
programmable cache partitioning implemented, number of allocatable
|
|
|
|
and sharable TLB entries, MVP has allocatable TCs, 2 VPEs
|
|
|
|
implemented, 5 TCs implemented. */
|
|
|
|
env->mvp->CP0_MVPConf0 = (1 << CP0MVPC0_M) | (1 << CP0MVPC0_TLBS) |
|
|
|
|
(0 << CP0MVPC0_GS) | (1 << CP0MVPC0_PCP) |
|
|
|
|
// TODO: actually do 2 VPEs.
|
|
|
|
// (1 << CP0MVPC0_TCA) | (0x1 << CP0MVPC0_PVPE) |
|
|
|
|
// (0x04 << CP0MVPC0_PTC);
|
|
|
|
(1 << CP0MVPC0_TCA) | (0x0 << CP0MVPC0_PVPE) |
|
|
|
|
(0x04 << CP0MVPC0_PTC);
|
2008-07-23 18:14:22 +02:00
|
|
|
/* Usermode has no TLB support */
|
|
|
|
if (!env->user_mode_only)
|
|
|
|
env->mvp->CP0_MVPConf0 |= (env->tlb->nb_tlb << CP0MVPC0_PTLBE);
|
|
|
|
|
2007-09-06 02:18:15 +02:00
|
|
|
/* Allocatable CP1 have media extensions, allocatable CP1 have FP support,
|
|
|
|
no UDI implemented, no CP2 implemented, 1 CP1 implemented. */
|
|
|
|
env->mvp->CP0_MVPConf1 = (1 << CP0MVPC1_CIM) | (1 << CP0MVPC1_CIF) |
|
|
|
|
(0x0 << CP0MVPC1_PCX) | (0x0 << CP0MVPC1_PCP2) |
|
|
|
|
(0x1 << CP0MVPC1_PCP1);
|
|
|
|
}
|
|
|
|
|
2007-11-10 16:15:54 +01:00
|
|
|
static int cpu_mips_register (CPUMIPSState *env, const mips_def_t *def)
|
2007-03-18 01:30:29 +01:00
|
|
|
{
|
|
|
|
env->CP0_PRid = def->CP0_PRid;
|
|
|
|
env->CP0_Config0 = def->CP0_Config0;
|
2007-05-30 22:46:02 +02:00
|
|
|
#ifdef TARGET_WORDS_BIGENDIAN
|
|
|
|
env->CP0_Config0 |= (1 << CP0C0_BE);
|
2007-03-21 12:04:42 +01:00
|
|
|
#endif
|
2007-03-18 01:30:29 +01:00
|
|
|
env->CP0_Config1 = def->CP0_Config1;
|
2007-03-21 12:04:42 +01:00
|
|
|
env->CP0_Config2 = def->CP0_Config2;
|
|
|
|
env->CP0_Config3 = def->CP0_Config3;
|
2007-03-25 00:36:18 +01:00
|
|
|
env->CP0_Config6 = def->CP0_Config6;
|
|
|
|
env->CP0_Config7 = def->CP0_Config7;
|
2007-04-11 22:34:23 +02:00
|
|
|
env->SYNCI_Step = def->SYNCI_Step;
|
|
|
|
env->CCRes = def->CCRes;
|
2007-09-06 02:18:15 +02:00
|
|
|
env->CP0_Status_rw_bitmask = def->CP0_Status_rw_bitmask;
|
|
|
|
env->CP0_TCStatus_rw_bitmask = def->CP0_TCStatus_rw_bitmask;
|
|
|
|
env->CP0_SRSCtl = def->CP0_SRSCtl;
|
2008-05-06 12:57:59 +02:00
|
|
|
env->current_tc = 0;
|
2007-12-25 04:13:56 +01:00
|
|
|
env->SEGBITS = def->SEGBITS;
|
|
|
|
env->SEGMask = (target_ulong)((1ULL << def->SEGBITS) - 1);
|
2007-11-08 19:05:37 +01:00
|
|
|
#if defined(TARGET_MIPS64)
|
2007-12-25 04:13:56 +01:00
|
|
|
if (def->insn_flags & ISA_MIPS3) {
|
2007-08-26 19:37:23 +02:00
|
|
|
env->hflags |= MIPS_HFLAG_64;
|
2007-12-25 04:13:56 +01:00
|
|
|
env->SEGMask |= 3ULL << 62;
|
2007-08-26 19:37:23 +02:00
|
|
|
}
|
2007-06-23 20:04:12 +02:00
|
|
|
#endif
|
2007-12-25 04:13:56 +01:00
|
|
|
env->PABITS = def->PABITS;
|
|
|
|
env->PAMask = (target_ulong)((1ULL << def->PABITS) - 1);
|
2007-09-06 02:18:15 +02:00
|
|
|
env->CP0_SRSConf0_rw_bitmask = def->CP0_SRSConf0_rw_bitmask;
|
|
|
|
env->CP0_SRSConf0 = def->CP0_SRSConf0;
|
|
|
|
env->CP0_SRSConf1_rw_bitmask = def->CP0_SRSConf1_rw_bitmask;
|
|
|
|
env->CP0_SRSConf1 = def->CP0_SRSConf1;
|
|
|
|
env->CP0_SRSConf2_rw_bitmask = def->CP0_SRSConf2_rw_bitmask;
|
|
|
|
env->CP0_SRSConf2 = def->CP0_SRSConf2;
|
|
|
|
env->CP0_SRSConf3_rw_bitmask = def->CP0_SRSConf3_rw_bitmask;
|
|
|
|
env->CP0_SRSConf3 = def->CP0_SRSConf3;
|
|
|
|
env->CP0_SRSConf4_rw_bitmask = def->CP0_SRSConf4_rw_bitmask;
|
|
|
|
env->CP0_SRSConf4 = def->CP0_SRSConf4;
|
2007-09-24 14:48:00 +02:00
|
|
|
env->insn_flags = def->insn_flags;
|
2007-09-06 02:18:15 +02:00
|
|
|
|
2008-09-02 19:39:45 +02:00
|
|
|
#ifndef CONFIG_USER_ONLY
|
2008-07-23 18:14:22 +02:00
|
|
|
if (!env->user_mode_only)
|
|
|
|
mmu_init(env, def);
|
2008-09-02 19:39:45 +02:00
|
|
|
#endif
|
2007-09-06 02:18:15 +02:00
|
|
|
fpu_init(env, def);
|
|
|
|
mvp_init(env, def);
|
2007-03-18 01:30:29 +01:00
|
|
|
return 0;
|
|
|
|
}
|