diff options
-rw-r--r-- | target-arm/cpu.h | 15 | ||||
-rw-r--r-- | target-arm/helper.c | 210 |
2 files changed, 117 insertions, 108 deletions
diff --git a/target-arm/cpu.h b/target-arm/cpu.h index cd7a9e8e14..97f0c13dc3 100644 --- a/target-arm/cpu.h +++ b/target-arm/cpu.h @@ -1110,8 +1110,14 @@ static inline uint64_t cpreg_to_kvm_id(uint32_t cpregid) * a register definition to override a previous definition for the * same (cp, is64, crn, crm, opc1, opc2) tuple: either the new or the * old must have the OVERRIDE bit set. - * NO_MIGRATE indicates that this register should be ignored for migration; - * (eg because any state is accessed via some other coprocessor register). + * ALIAS indicates that this register is an alias view of some underlying + * state which is also visible via another register, and that the other + * register is handling migration; registers marked ALIAS will not be migrated + * but may have their state set by syncing of register state from KVM. + * NO_RAW indicates that this register has no underlying state and does not + * support raw access for state saving/loading; it will not be used for either + * migration or KVM state synchronization. (Typically this is for "registers" + * which are actually used as instructions for cache maintenance and so on.) * IO indicates that this register does I/O and therefore its accesses * need to be surrounded by gen_io_start()/gen_io_end(). In particular, * registers which implement clocks or timers require this. @@ -1121,8 +1127,9 @@ static inline uint64_t cpreg_to_kvm_id(uint32_t cpregid) #define ARM_CP_64BIT 4 #define ARM_CP_SUPPRESS_TB_END 8 #define ARM_CP_OVERRIDE 16 -#define ARM_CP_NO_MIGRATE 32 +#define ARM_CP_ALIAS 32 #define ARM_CP_IO 64 +#define ARM_CP_NO_RAW 128 #define ARM_CP_NOP (ARM_CP_SPECIAL | (1 << 8)) #define ARM_CP_WFI (ARM_CP_SPECIAL | (2 << 8)) #define ARM_CP_NZCV (ARM_CP_SPECIAL | (3 << 8)) @@ -1132,7 +1139,7 @@ static inline uint64_t cpreg_to_kvm_id(uint32_t cpregid) /* Used only as a terminator for ARMCPRegInfo lists */ #define ARM_CP_SENTINEL 0xffff /* Mask of only the flag bits in a type field */ -#define ARM_CP_FLAG_MASK 0x7f +#define ARM_CP_FLAG_MASK 0xff /* Valid values for ARMCPRegInfo state field, indicating which of * the AArch32 and AArch64 execution states this register is visible in. diff --git a/target-arm/helper.c b/target-arm/helper.c index 79c54a992e..d214c9a646 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -189,7 +189,7 @@ bool write_cpustate_to_list(ARMCPU *cpu) ok = false; continue; } - if (ri->type & ARM_CP_NO_MIGRATE) { + if (ri->type & ARM_CP_NO_RAW) { continue; } cpu->cpreg_values[i] = read_raw_cp_reg(&cpu->env, ri); @@ -212,7 +212,7 @@ bool write_list_to_cpustate(ARMCPU *cpu) ok = false; continue; } - if (ri->type & ARM_CP_NO_MIGRATE) { + if (ri->type & ARM_CP_NO_RAW) { continue; } /* Write value and confirm it reads back as written @@ -236,7 +236,7 @@ static void add_cpreg_to_list(gpointer key, gpointer opaque) regidx = *(uint32_t *)key; ri = get_arm_cp_reginfo(cpu->cp_regs, regidx); - if (!(ri->type & ARM_CP_NO_MIGRATE)) { + if (!(ri->type & (ARM_CP_NO_RAW|ARM_CP_ALIAS))) { cpu->cpreg_indexes[cpu->cpreg_array_len] = cpreg_to_kvm_id(regidx); /* The value array need not be initialized at this point */ cpu->cpreg_array_len++; @@ -252,7 +252,7 @@ static void count_cpreg(gpointer key, gpointer opaque) regidx = *(uint32_t *)key; ri = get_arm_cp_reginfo(cpu->cp_regs, regidx); - if (!(ri->type & ARM_CP_NO_MIGRATE)) { + if (!(ri->type & (ARM_CP_NO_RAW|ARM_CP_ALIAS))) { cpu->cpreg_array_len++; } } @@ -508,7 +508,7 @@ static const ARMCPRegInfo not_v7_cp_reginfo[] = { .resetvalue = 0 }, /* v6 doesn't have the cache ID registers but Linux reads them anyway */ { .name = "DUMMY", .cp = 15, .crn = 0, .crm = 0, .opc1 = 1, .opc2 = CP_ANY, - .access = PL1_R, .type = ARM_CP_CONST | ARM_CP_NO_MIGRATE, + .access = PL1_R, .type = ARM_CP_CONST | ARM_CP_NO_RAW, .resetvalue = 0 }, /* We don't implement pre-v7 debug but most CPUs had at least a DBGDIDR; * implementing it as RAZ means the "debug architecture version" bits @@ -522,16 +522,16 @@ static const ARMCPRegInfo not_v7_cp_reginfo[] = { */ { .name = "TLBIALL", .cp = 15, .crn = 8, .crm = CP_ANY, .opc1 = CP_ANY, .opc2 = 0, .access = PL1_W, .writefn = tlbiall_write, - .type = ARM_CP_NO_MIGRATE }, + .type = ARM_CP_NO_RAW }, { .name = "TLBIMVA", .cp = 15, .crn = 8, .crm = CP_ANY, .opc1 = CP_ANY, .opc2 = 1, .access = PL1_W, .writefn = tlbimva_write, - .type = ARM_CP_NO_MIGRATE }, + .type = ARM_CP_NO_RAW }, { .name = "TLBIASID", .cp = 15, .crn = 8, .crm = CP_ANY, .opc1 = CP_ANY, .opc2 = 2, .access = PL1_W, .writefn = tlbiasid_write, - .type = ARM_CP_NO_MIGRATE }, + .type = ARM_CP_NO_RAW }, { .name = "TLBIMVAA", .cp = 15, .crn = 8, .crm = CP_ANY, .opc1 = CP_ANY, .opc2 = 3, .access = PL1_W, .writefn = tlbimvaa_write, - .type = ARM_CP_NO_MIGRATE }, + .type = ARM_CP_NO_RAW }, REGINFO_SENTINEL }; @@ -854,7 +854,7 @@ static const ARMCPRegInfo v7_cp_reginfo[] = { * or PL0_RO as appropriate and then check PMUSERENR in the helper fn. */ { .name = "PMCNTENSET", .cp = 15, .crn = 9, .crm = 12, .opc1 = 0, .opc2 = 1, - .access = PL0_RW, .type = ARM_CP_NO_MIGRATE, + .access = PL0_RW, .type = ARM_CP_ALIAS, .fieldoffset = offsetoflow32(CPUARMState, cp15.c9_pmcnten), .writefn = pmcntenset_write, .accessfn = pmreg_access, @@ -869,11 +869,11 @@ static const ARMCPRegInfo v7_cp_reginfo[] = { .fieldoffset = offsetoflow32(CPUARMState, cp15.c9_pmcnten), .accessfn = pmreg_access, .writefn = pmcntenclr_write, - .type = ARM_CP_NO_MIGRATE }, + .type = ARM_CP_ALIAS }, { .name = "PMCNTENCLR_EL0", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 3, .crn = 9, .crm = 12, .opc2 = 2, .access = PL0_RW, .accessfn = pmreg_access, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_ALIAS, .fieldoffset = offsetof(CPUARMState, cp15.c9_pmcnten), .writefn = pmcntenclr_write }, { .name = "PMOVSR", .cp = 15, .crn = 9, .crm = 12, .opc1 = 0, .opc2 = 3, @@ -928,7 +928,7 @@ static const ARMCPRegInfo v7_cp_reginfo[] = { .resetvalue = 0, .writefn = pmintenset_write, .raw_writefn = raw_write }, { .name = "PMINTENCLR", .cp = 15, .crn = 9, .crm = 14, .opc1 = 0, .opc2 = 2, - .access = PL1_RW, .type = ARM_CP_NO_MIGRATE, + .access = PL1_RW, .type = ARM_CP_ALIAS, .fieldoffset = offsetof(CPUARMState, cp15.c9_pminten), .resetvalue = 0, .writefn = pmintenclr_write, }, { .name = "VBAR", .state = ARM_CP_STATE_BOTH, @@ -939,7 +939,7 @@ static const ARMCPRegInfo v7_cp_reginfo[] = { .resetvalue = 0 }, { .name = "CCSIDR", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .crn = 0, .crm = 0, .opc1 = 1, .opc2 = 0, - .access = PL1_R, .readfn = ccsidr_read, .type = ARM_CP_NO_MIGRATE }, + .access = PL1_R, .readfn = ccsidr_read, .type = ARM_CP_NO_RAW }, { .name = "CSSELR", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .crn = 0, .crm = 0, .opc1 = 2, .opc2 = 0, .access = PL1_RW, .writefn = csselr_write, .resetvalue = 0, @@ -988,44 +988,44 @@ static const ARMCPRegInfo v7_cp_reginfo[] = { .resetfn = arm_cp_reset_ignore }, { .name = "ISR_EL1", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .opc1 = 0, .crn = 12, .crm = 1, .opc2 = 0, - .type = ARM_CP_NO_MIGRATE, .access = PL1_R, .readfn = isr_read }, + .type = ARM_CP_NO_RAW, .access = PL1_R, .readfn = isr_read }, /* 32 bit ITLB invalidates */ { .name = "ITLBIALL", .cp = 15, .opc1 = 0, .crn = 8, .crm = 5, .opc2 = 0, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, .writefn = tlbiall_write }, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbiall_write }, { .name = "ITLBIMVA", .cp = 15, .opc1 = 0, .crn = 8, .crm = 5, .opc2 = 1, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, .writefn = tlbimva_write }, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbimva_write }, { .name = "ITLBIASID", .cp = 15, .opc1 = 0, .crn = 8, .crm = 5, .opc2 = 2, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, .writefn = tlbiasid_write }, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbiasid_write }, /* 32 bit DTLB invalidates */ { .name = "DTLBIALL", .cp = 15, .opc1 = 0, .crn = 8, .crm = 6, .opc2 = 0, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, .writefn = tlbiall_write }, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbiall_write }, { .name = "DTLBIMVA", .cp = 15, .opc1 = 0, .crn = 8, .crm = 6, .opc2 = 1, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, .writefn = tlbimva_write }, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbimva_write }, { .name = "DTLBIASID", .cp = 15, .opc1 = 0, .crn = 8, .crm = 6, .opc2 = 2, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, .writefn = tlbiasid_write }, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbiasid_write }, /* 32 bit TLB invalidates */ { .name = "TLBIALL", .cp = 15, .opc1 = 0, .crn = 8, .crm = 7, .opc2 = 0, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, .writefn = tlbiall_write }, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbiall_write }, { .name = "TLBIMVA", .cp = 15, .opc1 = 0, .crn = 8, .crm = 7, .opc2 = 1, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, .writefn = tlbimva_write }, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbimva_write }, { .name = "TLBIASID", .cp = 15, .opc1 = 0, .crn = 8, .crm = 7, .opc2 = 2, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, .writefn = tlbiasid_write }, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbiasid_write }, { .name = "TLBIMVAA", .cp = 15, .opc1 = 0, .crn = 8, .crm = 7, .opc2 = 3, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, .writefn = tlbimvaa_write }, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbimvaa_write }, REGINFO_SENTINEL }; static const ARMCPRegInfo v7mp_cp_reginfo[] = { /* 32 bit TLB invalidates, Inner Shareable */ { .name = "TLBIALLIS", .cp = 15, .opc1 = 0, .crn = 8, .crm = 3, .opc2 = 0, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, .writefn = tlbiall_is_write }, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbiall_is_write }, { .name = "TLBIMVAIS", .cp = 15, .opc1 = 0, .crn = 8, .crm = 3, .opc2 = 1, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, .writefn = tlbimva_is_write }, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbimva_is_write }, { .name = "TLBIASIDIS", .cp = 15, .opc1 = 0, .crn = 8, .crm = 3, .opc2 = 2, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbiasid_is_write }, { .name = "TLBIMVAAIS", .cp = 15, .opc1 = 0, .crn = 8, .crm = 3, .opc2 = 3, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbimvaa_is_write }, REGINFO_SENTINEL }; @@ -1268,7 +1268,7 @@ static const ARMCPRegInfo generic_timer_cp_reginfo[] = { * Our reset value matches the fixed frequency we implement the timer at. */ { .name = "CNTFRQ", .cp = 15, .crn = 14, .crm = 0, .opc1 = 0, .opc2 = 0, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_ALIAS, .access = PL1_RW | PL0_R, .accessfn = gt_cntfrq_access, .fieldoffset = offsetoflow32(CPUARMState, cp15.c14_cntfrq), .resetfn = arm_cp_reset_ignore, @@ -1288,7 +1288,7 @@ static const ARMCPRegInfo generic_timer_cp_reginfo[] = { }, /* per-timer control */ { .name = "CNTP_CTL", .cp = 15, .crn = 14, .crm = 2, .opc1 = 0, .opc2 = 1, - .type = ARM_CP_IO | ARM_CP_NO_MIGRATE, .access = PL1_RW | PL0_R, + .type = ARM_CP_IO | ARM_CP_ALIAS, .access = PL1_RW | PL0_R, .accessfn = gt_ptimer_access, .fieldoffset = offsetoflow32(CPUARMState, cp15.c14_timer[GTIMER_PHYS].ctl), @@ -1304,7 +1304,7 @@ static const ARMCPRegInfo generic_timer_cp_reginfo[] = { .writefn = gt_ctl_write, .raw_writefn = raw_write, }, { .name = "CNTV_CTL", .cp = 15, .crn = 14, .crm = 3, .opc1 = 0, .opc2 = 1, - .type = ARM_CP_IO | ARM_CP_NO_MIGRATE, .access = PL1_RW | PL0_R, + .type = ARM_CP_IO | ARM_CP_ALIAS, .access = PL1_RW | PL0_R, .accessfn = gt_vtimer_access, .fieldoffset = offsetoflow32(CPUARMState, cp15.c14_timer[GTIMER_VIRT].ctl), @@ -1321,52 +1321,52 @@ static const ARMCPRegInfo generic_timer_cp_reginfo[] = { }, /* TimerValue views: a 32 bit downcounting view of the underlying state */ { .name = "CNTP_TVAL", .cp = 15, .crn = 14, .crm = 2, .opc1 = 0, .opc2 = 0, - .type = ARM_CP_NO_MIGRATE | ARM_CP_IO, .access = PL1_RW | PL0_R, + .type = ARM_CP_NO_RAW | ARM_CP_IO, .access = PL1_RW | PL0_R, .accessfn = gt_ptimer_access, .readfn = gt_tval_read, .writefn = gt_tval_write, }, { .name = "CNTP_TVAL_EL0", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 3, .crn = 14, .crm = 2, .opc2 = 0, - .type = ARM_CP_NO_MIGRATE | ARM_CP_IO, .access = PL1_RW | PL0_R, + .type = ARM_CP_NO_RAW | ARM_CP_IO, .access = PL1_RW | PL0_R, .readfn = gt_tval_read, .writefn = gt_tval_write, }, { .name = "CNTV_TVAL", .cp = 15, .crn = 14, .crm = 3, .opc1 = 0, .opc2 = 0, - .type = ARM_CP_NO_MIGRATE | ARM_CP_IO, .access = PL1_RW | PL0_R, + .type = ARM_CP_NO_RAW | ARM_CP_IO, .access = PL1_RW | PL0_R, .accessfn = gt_vtimer_access, .readfn = gt_tval_read, .writefn = gt_tval_write, }, { .name = "CNTV_TVAL_EL0", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 3, .crn = 14, .crm = 3, .opc2 = 0, - .type = ARM_CP_NO_MIGRATE | ARM_CP_IO, .access = PL1_RW | PL0_R, + .type = ARM_CP_NO_RAW | ARM_CP_IO, .access = PL1_RW | PL0_R, .readfn = gt_tval_read, .writefn = gt_tval_write, }, /* The counter itself */ { .name = "CNTPCT", .cp = 15, .crm = 14, .opc1 = 0, - .access = PL0_R, .type = ARM_CP_64BIT | ARM_CP_NO_MIGRATE | ARM_CP_IO, + .access = PL0_R, .type = ARM_CP_64BIT | ARM_CP_NO_RAW | ARM_CP_IO, .accessfn = gt_pct_access, .readfn = gt_cnt_read, .resetfn = arm_cp_reset_ignore, }, { .name = "CNTPCT_EL0", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 3, .crn = 14, .crm = 0, .opc2 = 1, - .access = PL0_R, .type = ARM_CP_NO_MIGRATE | ARM_CP_IO, + .access = PL0_R, .type = ARM_CP_NO_RAW | ARM_CP_IO, .accessfn = gt_pct_access, .readfn = gt_cnt_read, .resetfn = gt_cnt_reset, }, { .name = "CNTVCT", .cp = 15, .crm = 14, .opc1 = 1, - .access = PL0_R, .type = ARM_CP_64BIT | ARM_CP_NO_MIGRATE | ARM_CP_IO, + .access = PL0_R, .type = ARM_CP_64BIT | ARM_CP_NO_RAW | ARM_CP_IO, .accessfn = gt_vct_access, .readfn = gt_cnt_read, .resetfn = arm_cp_reset_ignore, }, { .name = "CNTVCT_EL0", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 3, .crn = 14, .crm = 0, .opc2 = 2, - .access = PL0_R, .type = ARM_CP_NO_MIGRATE | ARM_CP_IO, + .access = PL0_R, .type = ARM_CP_NO_RAW | ARM_CP_IO, .accessfn = gt_vct_access, .readfn = gt_cnt_read, .resetfn = gt_cnt_reset, }, /* Comparison value, indicating when the timer goes off */ { .name = "CNTP_CVAL", .cp = 15, .crm = 14, .opc1 = 2, .access = PL1_RW | PL0_R, - .type = ARM_CP_64BIT | ARM_CP_IO | ARM_CP_NO_MIGRATE, + .type = ARM_CP_64BIT | ARM_CP_IO | ARM_CP_ALIAS, .fieldoffset = offsetof(CPUARMState, cp15.c14_timer[GTIMER_PHYS].cval), .accessfn = gt_ptimer_access, .resetfn = arm_cp_reset_ignore, .writefn = gt_cval_write, .raw_writefn = raw_write, @@ -1381,7 +1381,7 @@ static const ARMCPRegInfo generic_timer_cp_reginfo[] = { }, { .name = "CNTV_CVAL", .cp = 15, .crm = 14, .opc1 = 3, .access = PL1_RW | PL0_R, - .type = ARM_CP_64BIT | ARM_CP_IO | ARM_CP_NO_MIGRATE, + .type = ARM_CP_64BIT | ARM_CP_IO | ARM_CP_ALIAS, .fieldoffset = offsetof(CPUARMState, cp15.c14_timer[GTIMER_VIRT].cval), .accessfn = gt_vtimer_access, .resetfn = arm_cp_reset_ignore, .writefn = gt_cval_write, .raw_writefn = raw_write, @@ -1428,7 +1428,7 @@ static CPAccessResult ats_access(CPUARMState *env, const ARMCPRegInfo *ri) /* Other states are only available with TrustZone; in * a non-TZ implementation these registers don't exist * at all, which is an Uncategorized trap. This underdecoding - * is safe because the reginfo is NO_MIGRATE. + * is safe because the reginfo is NO_RAW. */ return CP_ACCESS_TRAP_UNCATEGORIZED; } @@ -1495,7 +1495,7 @@ static const ARMCPRegInfo vapa_cp_reginfo[] = { #ifndef CONFIG_USER_ONLY { .name = "ATS", .cp = 15, .crn = 7, .crm = 8, .opc1 = 0, .opc2 = CP_ANY, .access = PL1_W, .accessfn = ats_access, - .writefn = ats_write, .type = ARM_CP_NO_MIGRATE }, + .writefn = ats_write, .type = ARM_CP_NO_RAW }, #endif REGINFO_SENTINEL }; @@ -1554,12 +1554,12 @@ static uint64_t pmsav5_insn_ap_read(CPUARMState *env, const ARMCPRegInfo *ri) static const ARMCPRegInfo pmsav5_cp_reginfo[] = { { .name = "DATA_AP", .cp = 15, .crn = 5, .crm = 0, .opc1 = 0, .opc2 = 0, - .access = PL1_RW, .type = ARM_CP_NO_MIGRATE, + .access = PL1_RW, .type = ARM_CP_ALIAS, .fieldoffset = offsetof(CPUARMState, cp15.pmsav5_data_ap), .resetvalue = 0, .readfn = pmsav5_data_ap_read, .writefn = pmsav5_data_ap_write, }, { .name = "INSN_AP", .cp = 15, .crn = 5, .crm = 0, .opc1 = 0, .opc2 = 1, - .access = PL1_RW, .type = ARM_CP_NO_MIGRATE, + .access = PL1_RW, .type = ARM_CP_ALIAS, .fieldoffset = offsetof(CPUARMState, cp15.pmsav5_insn_ap), .resetvalue = 0, .readfn = pmsav5_insn_ap_read, .writefn = pmsav5_insn_ap_write, }, @@ -1691,7 +1691,7 @@ static void vmsa_ttbr_write(CPUARMState *env, const ARMCPRegInfo *ri, static const ARMCPRegInfo vmsa_cp_reginfo[] = { { .name = "DFSR", .cp = 15, .crn = 5, .crm = 0, .opc1 = 0, .opc2 = 0, - .access = PL1_RW, .type = ARM_CP_NO_MIGRATE, + .access = PL1_RW, .type = ARM_CP_ALIAS, .bank_fieldoffsets = { offsetoflow32(CPUARMState, cp15.dfsr_s), offsetoflow32(CPUARMState, cp15.dfsr_ns) }, .resetfn = arm_cp_reset_ignore, }, @@ -1719,7 +1719,7 @@ static const ARMCPRegInfo vmsa_cp_reginfo[] = { .resetfn = vmsa_ttbcr_reset, .raw_writefn = raw_write, .fieldoffset = offsetof(CPUARMState, cp15.tcr_el[1]) }, { .name = "TTBCR", .cp = 15, .crn = 2, .crm = 0, .opc1 = 0, .opc2 = 2, - .access = PL1_RW, .type = ARM_CP_NO_MIGRATE, .writefn = vmsa_ttbcr_write, + .access = PL1_RW, .type = ARM_CP_ALIAS, .writefn = vmsa_ttbcr_write, .resetfn = arm_cp_reset_ignore, .raw_writefn = vmsa_ttbcr_raw_write, .bank_fieldoffsets = { offsetoflow32(CPUARMState, cp15.tcr_el[3]), offsetoflow32(CPUARMState, cp15.tcr_el[1])} }, @@ -1789,7 +1789,7 @@ static const ARMCPRegInfo omap_cp_reginfo[] = { .writefn = omap_threadid_write }, { .name = "TI925T_STATUS", .cp = 15, .crn = 15, .crm = 8, .opc1 = 0, .opc2 = 0, .access = PL1_RW, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_NO_RAW, .readfn = arm_cp_read_zero, .writefn = omap_wfi_write, }, /* TODO: Peripheral port remap register: * On OMAP2 mcr p15, 0, rn, c15, c2, 4 sets up the interrupt controller @@ -1798,7 +1798,7 @@ static const ARMCPRegInfo omap_cp_reginfo[] = { */ { .name = "OMAP_CACHEMAINT", .cp = 15, .crn = 7, .crm = CP_ANY, .opc1 = 0, .opc2 = CP_ANY, .access = PL1_W, - .type = ARM_CP_OVERRIDE | ARM_CP_NO_MIGRATE, + .type = ARM_CP_OVERRIDE | ARM_CP_NO_RAW, .writefn = omap_cachemaint_write }, { .name = "C9", .cp = 15, .crn = 9, .crm = CP_ANY, .opc1 = CP_ANY, .opc2 = CP_ANY, .access = PL1_RW, @@ -1848,7 +1848,7 @@ static const ARMCPRegInfo dummy_c15_cp_reginfo[] = { { .name = "C15_IMPDEF", .cp = 15, .crn = 15, .crm = CP_ANY, .opc1 = CP_ANY, .opc2 = CP_ANY, .access = PL1_RW, - .type = ARM_CP_CONST | ARM_CP_NO_MIGRATE | ARM_CP_OVERRIDE, + .type = ARM_CP_CONST | ARM_CP_NO_RAW | ARM_CP_OVERRIDE, .resetvalue = 0 }, REGINFO_SENTINEL }; @@ -1856,7 +1856,7 @@ static const ARMCPRegInfo dummy_c15_cp_reginfo[] = { static const ARMCPRegInfo cache_dirty_status_cp_reginfo[] = { /* Cache status: RAZ because we have no cache so it's always clean */ { .name = "CDSR", .cp = 15, .crn = 7, .crm = 10, .opc1 = 0, .opc2 = 6, - .access = PL1_R, .type = ARM_CP_CONST | ARM_CP_NO_MIGRATE, + .access = PL1_R, .type = ARM_CP_CONST | ARM_CP_NO_RAW, .resetvalue = 0 }, REGINFO_SENTINEL }; @@ -1864,7 +1864,7 @@ static const ARMCPRegInfo cache_dirty_status_cp_reginfo[] = { static const ARMCPRegInfo cache_block_ops_cp_reginfo[] = { /* We never have a a block transfer operation in progress */ { .name = "BXSR", .cp = 15, .crn = 7, .crm = 12, .opc1 = 0, .opc2 = 4, - .access = PL0_R, .type = ARM_CP_CONST | ARM_CP_NO_MIGRATE, + .access = PL0_R, .type = ARM_CP_CONST | ARM_CP_NO_RAW, .resetvalue = 0 }, /* The cache ops themselves: these all NOP for QEMU */ { .name = "IICR", .cp = 15, .crm = 5, .opc1 = 0, @@ -1887,10 +1887,10 @@ static const ARMCPRegInfo cache_test_clean_cp_reginfo[] = { * to indicate that there are no dirty cache lines. */ { .name = "TC_DCACHE", .cp = 15, .crn = 7, .crm = 10, .opc1 = 0, .opc2 = 3, - .access = PL0_R, .type = ARM_CP_CONST | ARM_CP_NO_MIGRATE, + .access = PL0_R, .type = ARM_CP_CONST | ARM_CP_NO_RAW, .resetvalue = (1 << 30) }, { .name = "TCI_DCACHE", .cp = 15, .crn = 7, .crm = 14, .opc1 = 0, .opc2 = 3, - .access = PL0_R, .type = ARM_CP_CONST | ARM_CP_NO_MIGRATE, + .access = PL0_R, .type = ARM_CP_CONST | ARM_CP_NO_RAW, .resetvalue = (1 << 30) }, REGINFO_SENTINEL }; @@ -1900,7 +1900,7 @@ static const ARMCPRegInfo strongarm_cp_reginfo[] = { { .name = "C9_READBUFFER", .cp = 15, .crn = 9, .crm = CP_ANY, .opc1 = CP_ANY, .opc2 = CP_ANY, .access = PL1_RW, .resetvalue = 0, - .type = ARM_CP_CONST | ARM_CP_OVERRIDE | ARM_CP_NO_MIGRATE }, + .type = ARM_CP_CONST | ARM_CP_OVERRIDE | ARM_CP_NO_RAW }, REGINFO_SENTINEL }; @@ -1926,7 +1926,7 @@ static uint64_t mpidr_read(CPUARMState *env, const ARMCPRegInfo *ri) static const ARMCPRegInfo mpidr_cp_reginfo[] = { { .name = "MPIDR", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .crn = 0, .crm = 0, .opc1 = 0, .opc2 = 5, - .access = PL1_R, .readfn = mpidr_read, .type = ARM_CP_NO_MIGRATE }, + .access = PL1_R, .readfn = mpidr_read, .type = ARM_CP_NO_RAW }, REGINFO_SENTINEL }; @@ -1947,12 +1947,12 @@ static const ARMCPRegInfo lpae_cp_reginfo[] = { .bank_fieldoffsets = { offsetof(CPUARMState, cp15.par_s), offsetof(CPUARMState, cp15.par_ns)} }, { .name = "TTBR0", .cp = 15, .crm = 2, .opc1 = 0, - .access = PL1_RW, .type = ARM_CP_64BIT | ARM_CP_NO_MIGRATE, + .access = PL1_RW, .type = ARM_CP_64BIT | ARM_CP_ALIAS, .bank_fieldoffsets = { offsetof(CPUARMState, cp15.ttbr0_s), offsetof(CPUARMState, cp15.ttbr0_ns) }, .writefn = vmsa_ttbr_write, .resetfn = arm_cp_reset_ignore }, { .name = "TTBR1", .cp = 15, .crm = 2, .opc1 = 1, - .access = PL1_RW, .type = ARM_CP_64BIT | ARM_CP_NO_MIGRATE, + .access = PL1_RW, .type = ARM_CP_64BIT | ARM_CP_ALIAS, .bank_fieldoffsets = { offsetof(CPUARMState, cp15.ttbr1_s), offsetof(CPUARMState, cp15.ttbr1_ns) }, .writefn = vmsa_ttbr_write, .resetfn = arm_cp_reset_ignore }, @@ -2144,7 +2144,7 @@ static const ARMCPRegInfo v8_cp_reginfo[] = { .access = PL0_RW, .type = ARM_CP_NZCV }, { .name = "DAIF", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 3, .opc2 = 1, .crn = 4, .crm = 2, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_NO_RAW, .access = PL0_RW, .accessfn = aa64_daif_access, .fieldoffset = offsetof(CPUARMState, daif), .writefn = aa64_daif_write, .resetfn = arm_cp_reset_ignore }, @@ -2156,7 +2156,7 @@ static const ARMCPRegInfo v8_cp_reginfo[] = { .access = PL0_RW, .readfn = aa64_fpsr_read, .writefn = aa64_fpsr_write }, { .name = "DCZID_EL0", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 3, .opc2 = 7, .crn = 0, .crm = 0, - .access = PL0_R, .type = ARM_CP_NO_MIGRATE, + .access = PL0_R, .type = ARM_CP_NO_RAW, .readfn = aa64_dczid_read }, { .name = "DC_ZVA", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 3, .crn = 7, .crm = 4, .opc2 = 1, @@ -2207,77 +2207,77 @@ static const ARMCPRegInfo v8_cp_reginfo[] = { /* TLBI operations */ { .name = "TLBI_VMALLE1IS", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 8, .crm = 3, .opc2 = 0, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = tlbiall_is_write }, { .name = "TLBI_VAE1IS", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 8, .crm = 3, .opc2 = 1, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = tlbi_aa64_va_is_write }, { .name = "TLBI_ASIDE1IS", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 8, .crm = 3, .opc2 = 2, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = tlbi_aa64_asid_is_write }, { .name = "TLBI_VAAE1IS", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 8, .crm = 3, .opc2 = 3, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = tlbi_aa64_vaa_is_write }, { .name = "TLBI_VALE1IS", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 8, .crm = 3, .opc2 = 5, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = tlbi_aa64_va_is_write }, { .name = "TLBI_VAALE1IS", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 8, .crm = 3, .opc2 = 7, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = tlbi_aa64_vaa_is_write }, { .name = "TLBI_VMALLE1", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 8, .crm = 7, .opc2 = 0, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = tlbiall_write }, { .name = "TLBI_VAE1", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 8, .crm = 7, .opc2 = 1, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = tlbi_aa64_va_write }, { .name = "TLBI_ASIDE1", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 8, .crm = 7, .opc2 = 2, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = tlbi_aa64_asid_write }, { .name = "TLBI_VAAE1", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 8, .crm = 7, .opc2 = 3, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = tlbi_aa64_vaa_write }, { .name = "TLBI_VALE1", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 8, .crm = 7, .opc2 = 5, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = tlbi_aa64_va_write }, { .name = "TLBI_VAALE1", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 8, .crm = 7, .opc2 = 7, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = tlbi_aa64_vaa_write }, #ifndef CONFIG_USER_ONLY /* 64 bit address translation operations */ { .name = "AT_S1E1R", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 7, .crm = 8, .opc2 = 0, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, .writefn = ats_write }, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = ats_write }, { .name = "AT_S1E1W", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 7, .crm = 8, .opc2 = 1, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, .writefn = ats_write }, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = ats_write }, { .name = "AT_S1E0R", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 7, .crm = 8, .opc2 = 2, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, .writefn = ats_write }, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = ats_write }, { .name = "AT_S1E0W", .state = ARM_CP_STATE_AA64, .opc0 = 1, .opc1 = 0, .crn = 7, .crm = 8, .opc2 = 3, - .access = PL1_W, .type = ARM_CP_NO_MIGRATE, .writefn = ats_write }, + .access = PL1_W, .type = ARM_CP_NO_RAW, .writefn = ats_write }, #endif /* TLB invalidate last level of translation table walk */ { .name = "TLBIMVALIS", .cp = 15, .opc1 = 0, .crn = 8, .crm = 3, .opc2 = 5, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, .writefn = tlbimva_is_write }, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbimva_is_write }, { .name = "TLBIMVAALIS", .cp = 15, .opc1 = 0, .crn = 8, .crm = 3, .opc2 = 7, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbimvaa_is_write }, { .name = "TLBIMVAL", .cp = 15, .opc1 = 0, .crn = 8, .crm = 7, .opc2 = 5, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, .writefn = tlbimva_write }, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbimva_write }, { .name = "TLBIMVAAL", .cp = 15, .opc1 = 0, .crn = 8, .crm = 7, .opc2 = 7, - .type = ARM_CP_NO_MIGRATE, .access = PL1_W, .writefn = tlbimvaa_write }, + .type = ARM_CP_NO_RAW, .access = PL1_W, .writefn = tlbimvaa_write }, /* 32 bit cache operations */ { .name = "ICIALLUIS", .cp = 15, .opc1 = 0, .crn = 7, .crm = 1, .opc2 = 0, .type = ARM_CP_NOP, .access = PL1_W }, @@ -2312,12 +2312,12 @@ static const ARMCPRegInfo v8_cp_reginfo[] = { .bank_fieldoffsets = { offsetoflow32(CPUARMState, cp15.dacr_s), offsetoflow32(CPUARMState, cp15.dacr_ns) } }, { .name = "ELR_EL1", .state = ARM_CP_STATE_AA64, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_ALIAS, .opc0 = 3, .opc1 = 0, .crn = 4, .crm = 0, .opc2 = 1, .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, elr_el[1]) }, { .name = "SPSR_EL1", .state = ARM_CP_STATE_AA64, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_ALIAS, .opc0 = 3, .opc1 = 0, .crn = 4, .crm = 0, .opc2 = 0, .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, banked_spsr[0]) }, /* We rely on the access checks not allowing the guest to write to the @@ -2327,15 +2327,15 @@ static const ARMCPRegInfo v8_cp_reginfo[] = { { .name = "SP_EL0", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 0, .crn = 4, .crm = 1, .opc2 = 0, .access = PL1_RW, .accessfn = sp_el0_access, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_ALIAS, .fieldoffset = offsetof(CPUARMState, sp_el[0]) }, { .name = "SP_EL1", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 4, .crn = 4, .crm = 1, .opc2 = 0, - .access = PL2_RW, .type = ARM_CP_NO_MIGRATE, + .access = PL2_RW, .type = ARM_CP_ALIAS, .fieldoffset = offsetof(CPUARMState, sp_el[1]) }, { .name = "SPSel", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 0, .crn = 4, .crm = 2, .opc2 = 0, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_NO_RAW, .access = PL1_RW, .readfn = spsel_read, .writefn = spsel_write }, REGINFO_SENTINEL }; @@ -2347,7 +2347,7 @@ static const ARMCPRegInfo v8_el3_no_el2_cp_reginfo[] = { .access = PL2_RW, .readfn = arm_cp_read_zero, .writefn = arm_cp_write_ignore }, { .name = "HCR_EL2", .state = ARM_CP_STATE_AA64, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_NO_RAW, .opc0 = 3, .opc1 = 4, .crn = 1, .crm = 1, .opc2 = 0, .access = PL2_RW, .readfn = arm_cp_read_zero, .writefn = arm_cp_write_ignore }, @@ -2390,12 +2390,12 @@ static const ARMCPRegInfo v8_el2_cp_reginfo[] = { .writefn = dacr_write, .raw_writefn = raw_write, .fieldoffset = offsetof(CPUARMState, cp15.dacr32_el2) }, { .name = "ELR_EL2", .state = ARM_CP_STATE_AA64, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_ALIAS, .opc0 = 3, .opc1 = 4, .crn = 4, .crm = 0, .opc2 = 1, .access = PL2_RW, .fieldoffset = offsetof(CPUARMState, elr_el[2]) }, { .name = "ESR_EL2", .state = ARM_CP_STATE_AA64, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_ALIAS, .opc0 = 3, .opc1 = 4, .crn = 5, .crm = 2, .opc2 = 0, .access = PL2_RW, .fieldoffset = offsetof(CPUARMState, cp15.esr_el[2]) }, { .name = "IFSR32_EL2", .state = ARM_CP_STATE_AA64, @@ -2406,7 +2406,7 @@ static const ARMCPRegInfo v8_el2_cp_reginfo[] = { .opc0 = 3, .opc1 = 4, .crn = 6, .crm = 0, .opc2 = 0, .access = PL2_RW, .fieldoffset = offsetof(CPUARMState, cp15.far_el[2]) }, { .name = "SPSR_EL2", .state = ARM_CP_STATE_AA64, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_ALIAS, .opc0 = 3, .opc1 = 4, .crn = 4, .crm = 0, .opc2 = 0, .access = PL2_RW, .fieldoffset = offsetof(CPUARMState, banked_spsr[6]) }, { .name = "VBAR_EL2", .state = ARM_CP_STATE_AA64, @@ -2416,7 +2416,7 @@ static const ARMCPRegInfo v8_el2_cp_reginfo[] = { .resetvalue = 0 }, { .name = "SP_EL2", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 6, .crn = 4, .crm = 1, .opc2 = 0, - .access = PL3_RW, .type = ARM_CP_NO_MIGRATE, + .access = PL3_RW, .type = ARM_CP_ALIAS, .fieldoffset = offsetof(CPUARMState, sp_el[2]) }, REGINFO_SENTINEL }; @@ -2426,7 +2426,7 @@ static const ARMCPRegInfo el3_cp_reginfo[] = { .opc0 = 3, .opc1 = 6, .crn = 1, .crm = 1, .opc2 = 0, .access = PL3_RW, .fieldoffset = offsetof(CPUARMState, cp15.scr_el3), .resetvalue = 0, .writefn = scr_write }, - { .name = "SCR", .type = ARM_CP_NO_MIGRATE, + { .name = "SCR", .type = ARM_CP_ALIAS, .cp = 15, .opc1 = 0, .crn = 1, .crm = 1, .opc2 = 0, .access = PL3_RW, .fieldoffset = offsetoflow32(CPUARMState, cp15.scr_el3), .resetfn = arm_cp_reset_ignore, .writefn = scr_write }, @@ -2459,19 +2459,19 @@ static const ARMCPRegInfo el3_cp_reginfo[] = { .resetfn = vmsa_ttbcr_reset, .raw_writefn = raw_write, .fieldoffset = offsetof(CPUARMState, cp15.tcr_el[3]) }, { .name = "ELR_EL3", .state = ARM_CP_STATE_AA64, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_ALIAS, .opc0 = 3, .opc1 = 6, .crn = 4, .crm = 0, .opc2 = 1, .access = PL3_RW, .fieldoffset = offsetof(CPUARMState, elr_el[3]) }, { .name = "ESR_EL3", .state = ARM_CP_STATE_AA64, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_ALIAS, .opc0 = 3, .opc1 = 6, .crn = 5, .crm = 2, .opc2 = 0, .access = PL3_RW, .fieldoffset = offsetof(CPUARMState, cp15.esr_el[3]) }, { .name = "FAR_EL3", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 6, .crn = 6, .crm = 0, .opc2 = 0, .access = PL3_RW, .fieldoffset = offsetof(CPUARMState, cp15.far_el[3]) }, { .name = "SPSR_EL3", .state = ARM_CP_STATE_AA64, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_ALIAS, .opc0 = 3, .opc1 = 6, .crn = 4, .crm = 0, .opc2 = 0, .access = PL3_RW, .fieldoffset = offsetof(CPUARMState, banked_spsr[7]) }, { .name = "VBAR_EL3", .state = ARM_CP_STATE_AA64, @@ -2518,7 +2518,7 @@ static const ARMCPRegInfo debug_cp_reginfo[] = { */ { .name = "MDCCSR_EL0", .state = ARM_CP_STATE_BOTH, .cp = 14, .opc0 = 2, .opc1 = 0, .crn = 0, .crm = 1, .opc2 = 0, - .type = ARM_CP_NO_MIGRATE, + .type = ARM_CP_ALIAS, .access = PL1_R, .fieldoffset = offsetof(CPUARMState, cp15.mdscr_el1), .resetfn = arm_cp_reset_ignore }, @@ -2971,7 +2971,7 @@ void register_cp_regs_for_features(ARMCPU *cpu) ARMCPRegInfo pmcr = { .name = "PMCR", .cp = 15, .crn = 9, .crm = 12, .opc1 = 0, .opc2 = 0, .access = PL0_RW, - .type = ARM_CP_IO | ARM_CP_NO_MIGRATE, + .type = ARM_CP_IO | ARM_CP_ALIAS, .fieldoffset = offsetoflow32(CPUARMState, cp15.c9_pmcr), .accessfn = pmreg_access, .writefn = pmcr_write, .raw_writefn = raw_write, @@ -3467,14 +3467,14 @@ static void add_cpreg_to_hashtable(ARMCPU *cpu, const ARMCPRegInfo *r, */ if ((r->state == ARM_CP_STATE_BOTH && ns) || (arm_feature(&cpu->env, ARM_FEATURE_V8) && !ns)) { - r2->type |= ARM_CP_NO_MIGRATE; + r2->type |= ARM_CP_ALIAS; r2->resetfn = arm_cp_reset_ignore; } } else if ((secstate != r->secure) && !ns) { /* The register is not banked so we only want to allow migration of * the non-secure instance. */ - r2->type |= ARM_CP_NO_MIGRATE; + r2->type |= ARM_CP_ALIAS; r2->resetfn = arm_cp_reset_ignore; } @@ -3523,15 +3523,17 @@ static void add_cpreg_to_hashtable(ARMCPU *cpu, const ARMCPRegInfo *r, r2->opc2 = opc2; /* By convention, for wildcarded registers only the first * entry is used for migration; the others are marked as - * NO_MIGRATE so we don't try to transfer the register + * ALIAS so we don't try to transfer the register * multiple times. Special registers (ie NOP/WFI) are - * never migratable. + * never migratable and not even raw-accessible. */ - if ((r->type & ARM_CP_SPECIAL) || - ((r->crm == CP_ANY) && crm != 0) || + if ((r->type & ARM_CP_SPECIAL)) { + r2->type |= ARM_CP_NO_RAW; + } + if (((r->crm == CP_ANY) && crm != 0) || ((r->opc1 == CP_ANY) && opc1 != 0) || ((r->opc2 == CP_ANY) && opc2 != 0)) { - r2->type |= ARM_CP_NO_MIGRATE; + r2->type |= ARM_CP_ALIAS; } /* Overriding of an existing definition must be explicitly |