/* * MIPS emulation for qemu: CPU initialisation routines. * * Copyright (c) 2004-2005 Jocelyn Mayer * Copyright (c) 2007 Herve Poussineau * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* CPU / CPU family specific config register values. */ /* Have config1, is MIPS32R1, uses TLB, no virtual icache, uncached coherency */ #define MIPS_CONFIG0 \ ((1 << CP0C0_M) | (0x0 << CP0C0_K23) | (0x0 << CP0C0_KU) | \ (0x0 << CP0C0_AT) | (0x0 << CP0C0_AR) | (0x1 << CP0C0_MT) | \ (0x2 << CP0C0_K0)) /* Have config2, no coprocessor2 attached, no MDMX support attached, no performance counters, watch registers present, no code compression, EJTAG present, no FPU */ #define MIPS_CONFIG1 \ ((1 << CP0C1_M) | \ (0 << CP0C1_C2) | (0 << CP0C1_MD) | (0 << CP0C1_PC) | \ (1 << CP0C1_WR) | (0 << CP0C1_CA) | (1 << CP0C1_EP) | \ (0 << CP0C1_FP)) /* Have config3, no tertiary/secondary caches implemented */ #define MIPS_CONFIG2 \ ((1 << CP0C2_M)) /* No config4, no DSP ASE, no large physaddr, no external interrupt controller, no vectored interupts, no 1kb pages, no SmartMIPS ASE, no trace logic */ #define MIPS_CONFIG3 \ ((0 << CP0C3_M) | (0 << CP0C3_DSPP) | (0 << CP0C3_LPA) | \ (0 << CP0C3_VEIC) | (0 << CP0C3_VInt) | (0 << CP0C3_SP) | \ (0 << CP0C3_SM) | (0 << CP0C3_TL)) /* Define a implementation number of 1. Define a major version 1, minor version 0. */ #define MIPS_FCR0 ((0 << FCR0_S) | (0x1 << FCR0_PRID) | (0x10 << FCR0_REV)) struct mips_def_t { const unsigned char *name; int32_t CP0_PRid; int32_t CP0_Config0; int32_t CP0_Config1; int32_t CP0_Config2; int32_t CP0_Config3; int32_t CP0_Config6; int32_t CP0_Config7; int32_t SYNCI_Step; int32_t CCRes; int32_t CP0_Status_rw_bitmask; int32_t CP0_TCStatus_rw_bitmask; int32_t CP0_SRSCtl; int32_t CP1_fcr0; int32_t SEGBITS; int32_t CP0_SRSConf0_rw_bitmask; int32_t CP0_SRSConf0; int32_t CP0_SRSConf1_rw_bitmask; int32_t CP0_SRSConf1; int32_t CP0_SRSConf2_rw_bitmask; int32_t CP0_SRSConf2; int32_t CP0_SRSConf3_rw_bitmask; int32_t CP0_SRSConf3; int32_t CP0_SRSConf4_rw_bitmask; int32_t CP0_SRSConf4; int insn_flags; }; /*****************************************************************************/ /* MIPS CPU definitions */ static mips_def_t mips_defs[] = { { .name = "4Kc", .CP0_PRid = 0x00018000, .CP0_Config0 = MIPS_CONFIG0, .CP0_Config1 = MIPS_CONFIG1 | (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, .SYNCI_Step = 32, .CCRes = 2, .CP0_Status_rw_bitmask = 0x1278FF17, .insn_flags = CPU_MIPS32 | ASE_MIPS16, }, { .name = "4Km", .CP0_PRid = 0x00018300, /* Config1 implemented, fixed mapping MMU, no virtual icache, uncached coherency. */ .CP0_Config0 = (1 << CP0C0_M) | (0x3 << CP0C0_MT) | (0x2 << CP0C0_K0), .CP0_Config1 = MIPS_CONFIG1 | (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, .SYNCI_Step = 32, .CCRes = 2, .CP0_Status_rw_bitmask = 0x1258FF17, .insn_flags = CPU_MIPS32 | ASE_MIPS16, }, { .name = "4KEcR1", .CP0_PRid = 0x00018400, .CP0_Config0 = MIPS_CONFIG0, .CP0_Config1 = MIPS_CONFIG1 | (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, .SYNCI_Step = 32, .CCRes = 2, .CP0_Status_rw_bitmask = 0x1278FF17, .insn_flags = CPU_MIPS32 | ASE_MIPS16, }, { .name = "4KEmR1", .CP0_PRid = 0x00018500, /* Config1 implemented, fixed mapping MMU, no virtual icache, uncached coherency. */ .CP0_Config0 = (1 << CP0C0_M) | (0x3 << CP0C0_MT) | (0x2 << CP0C0_K0), .CP0_Config1 = MIPS_CONFIG1 | (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, .SYNCI_Step = 32, .CCRes = 2, .CP0_Status_rw_bitmask = 0x1258FF17, .insn_flags = CPU_MIPS32 | ASE_MIPS16, }, { .name = "4KEc", .CP0_PRid = 0x00019000, .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR), .CP0_Config1 = MIPS_CONFIG1 | (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), .SYNCI_Step = 32, .CCRes = 2, .CP0_Status_rw_bitmask = 0x1278FF17, .insn_flags = CPU_MIPS32R2 | ASE_MIPS16, }, { .name = "4KEm", .CP0_PRid = 0x00019100, /* Config1 implemented, MIPS32R2, fixed mapping MMU, no virtual icache, uncached coherency. */ .CP0_Config0 = (1 << CP0C0_M) | (0x1 << CP0C0_AR) | (0x3 << CP0C0_MT) | (0x2 << CP0C0_K0), .CP0_Config1 = MIPS_CONFIG1 | (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, .SYNCI_Step = 32, .CCRes = 2, .CP0_Status_rw_bitmask = 0x1258FF17, .insn_flags = CPU_MIPS32R2 | ASE_MIPS16, }, { .name = "24Kc", .CP0_PRid = 0x00019300, .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR), .CP0_Config1 = MIPS_CONFIG1 | (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), .SYNCI_Step = 32, .CCRes = 2, /* No DSP implemented. */ .CP0_Status_rw_bitmask = 0x1278FF1F, .insn_flags = CPU_MIPS32R2 | ASE_MIPS16, }, { .name = "24Kf", .CP0_PRid = 0x00019300, .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR), .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), .SYNCI_Step = 32, .CCRes = 2, /* No DSP implemented. */ .CP0_Status_rw_bitmask = 0x3678FF1F, .CP1_fcr0 = (1 << FCR0_F64) | (1 << FCR0_L) | (1 << FCR0_W) | (1 << FCR0_D) | (1 << FCR0_S) | (0x93 << FCR0_PRID), .insn_flags = CPU_MIPS32R2 | ASE_MIPS16, }, { .name = "34Kf", .CP0_PRid = 0x00019500, .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR), .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. */ .CP0_Status_rw_bitmask = 0x3678FF1F, /* 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), .insn_flags = CPU_MIPS32R2 | ASE_MIPS16 | ASE_DSP | ASE_MT, }, #if defined(TARGET_MIPS64) { .name = "R4000", .CP0_PRid = 0x00000400, .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT), .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (47 << 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, .SYNCI_Step = 16, .CCRes = 2, .CP0_Status_rw_bitmask = 0x3678FFFF, /* The R4000 has a full 64bit FPU doesn't use the fcr0 bits. */ .CP1_fcr0 = (0x5 << FCR0_PRID) | (0x0 << FCR0_REV), .SEGBITS = 40, .insn_flags = CPU_MIPS3, }, { .name = "5Kc", .CP0_PRid = 0x00018100, .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT), .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, .CP0_Status_rw_bitmask = 0x32F8FFFF, .SEGBITS = 42, .insn_flags = CPU_MIPS64, }, { .name = "5Kf", .CP0_PRid = 0x00018100, .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT), .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, .CP0_Status_rw_bitmask = 0x36F8FFFF, /* The 5Kf has F64 / L / W but doesn't use the fcr0 bits. */ .CP1_fcr0 = (1 << FCR0_D) | (1 << FCR0_S) | (0x81 << FCR0_PRID) | (0x0 << FCR0_REV), .SEGBITS = 42, .insn_flags = CPU_MIPS64, }, { .name = "20Kc", /* We emulate a later version of the 20Kc, earlier ones had a broken WAIT instruction. */ .CP0_PRid = 0x000182a0, .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT) | (1 << CP0C0_VI), .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, .CCRes = 2, .CP0_Status_rw_bitmask = 0x36FBFFFF, /* The 20Kc has F64 / L / W but doesn't use the fcr0 bits. */ .CP1_fcr0 = (1 << FCR0_3D) | (1 << FCR0_PS) | (1 << FCR0_D) | (1 << FCR0_S) | (0x82 << FCR0_PRID) | (0x0 << FCR0_REV), .SEGBITS = 40, .insn_flags = CPU_MIPS64 | ASE_MIPS3D, }, { /* A generic CPU providing MIPS64 Release 2 features. FIXME: Eventually this should be replaced by a real CPU model. */ .name = "MIPS64R2-generic", .CP0_PRid = 0x00010000, .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT) | (0x1 << CP0C0_AR), .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, .CP0_Config3 = MIPS_CONFIG3, .SYNCI_Step = 32, .CCRes = 2, .CP0_Status_rw_bitmask = 0x36FBFFFF, .CP1_fcr0 = (1 << FCR0_3D) | (1 << FCR0_PS) | (1 << FCR0_L) | (1 << FCR0_W) | (1 << FCR0_D) | (1 << FCR0_S) | (0x00 << FCR0_PRID) | (0x0 << FCR0_REV), .SEGBITS = 40, .insn_flags = CPU_MIPS64R2 | ASE_MIPS3D, }, #endif }; static const mips_def_t *cpu_mips_find_by_name (const unsigned char *name) { int i; for (i = 0; i < sizeof(mips_defs) / sizeof(mips_defs[0]); i++) { if (strcasecmp(name, mips_defs[i].name) == 0) { return &mips_defs[i]; } } return NULL; } void mips_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...)) { int i; for (i = 0; i < sizeof(mips_defs) / sizeof(mips_defs[0]); i++) { (*cpu_fprintf)(f, "MIPS '%s'\n", mips_defs[i].name); } } #ifndef CONFIG_USER_ONLY static void no_mmu_init (CPUMIPSState *env, const mips_def_t *def) { env->tlb->nb_tlb = 1; env->tlb->map_address = &no_mmu_map_address; } static void fixed_mmu_init (CPUMIPSState *env, const mips_def_t *def) { env->tlb->nb_tlb = 1; env->tlb->map_address = &fixed_mmu_map_address; } static void r4k_mmu_init (CPUMIPSState *env, const mips_def_t *def) { 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; } static void mmu_init (CPUMIPSState *env, const mips_def_t *def) { env->tlb = qemu_mallocz(sizeof(CPUMIPSTLBContext)); /* There are more full-featured MMU variants in older MIPS CPUs, R3000, R6000 and R8000 come to mind. If we ever support them, this check will need to look up a different place than those newfangled config registers. */ switch ((env->CP0_Config0 >> CP0C0_MT) & 3) { case 0: no_mmu_init(env, def); break; case 1: r4k_mmu_init(env, def); break; case 3: fixed_mmu_init(env, def); break; 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; } #endif /* CONFIG_USER_ONLY */ static void fpu_init (CPUMIPSState *env, const mips_def_t *def) { env->fpu = qemu_mallocz(sizeof(CPUMIPSFPUContext)); env->fpu->fcr0 = def->CP1_fcr0; #ifdef CONFIG_USER_ONLY if (env->CP0_Config1 & (1 << CP0C1_FP)) env->hflags |= MIPS_HFLAG_FPU; if (env->fpu->fcr0 & (1 << FCR0_F64)) env->hflags |= MIPS_HFLAG_F64; #endif } static void mvp_init (CPUMIPSState *env, const mips_def_t *def) { 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) | #ifndef CONFIG_USER_ONLY /* Usermode has no TLB support */ (env->tlb->nb_tlb << CP0MVPC0_PTLBE) | #endif // TODO: actually do 2 VPEs. // (1 << CP0MVPC0_TCA) | (0x1 << CP0MVPC0_PVPE) | // (0x04 << CP0MVPC0_PTC); (1 << CP0MVPC0_TCA) | (0x0 << CP0MVPC0_PVPE) | (0x04 << CP0MVPC0_PTC); /* 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); } static int cpu_mips_register (CPUMIPSState *env, const mips_def_t *def) { env->CP0_PRid = def->CP0_PRid; env->CP0_Config0 = def->CP0_Config0; #ifdef TARGET_WORDS_BIGENDIAN env->CP0_Config0 |= (1 << CP0C0_BE); #endif env->CP0_Config1 = def->CP0_Config1; env->CP0_Config2 = def->CP0_Config2; env->CP0_Config3 = def->CP0_Config3; env->CP0_Config6 = def->CP0_Config6; env->CP0_Config7 = def->CP0_Config7; env->SYNCI_Step = def->SYNCI_Step; env->CCRes = def->CCRes; 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; #if defined(TARGET_MIPS64) if (def->insn_flags & ISA_MIPS3) { env->hflags |= MIPS_HFLAG_64; env->SEGBITS = def->SEGBITS; env->SEGMask = (3ULL << 62) | ((1ULL << def->SEGBITS) - 1); } else { env->SEGBITS = 32; env->SEGMask = 0xFFFFFFFF; } #endif 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; env->insn_flags = def->insn_flags; #ifndef CONFIG_USER_ONLY mmu_init(env, def); #endif fpu_init(env, def); mvp_init(env, def); return 0; }