Hi Alistair,

Thanks for the lightning fast reply!
Could you please tell who should bump those numbers and to what values?
Do you think I could submit this patch series for the review?

Thanks

пн, 18 дек. 2023 г. в 06:11, Alistair Francis <alistai...@gmail.com>:

> On Sat, Dec 16, 2023 at 11:52 PM Alexey Baturo <baturo.ale...@gmail.com>
> wrote:
> >
> > From: Alexey Baturo <baturo.ale...@gmail.com>
> >
> > Zjpm v0.8 is almost frozen and it's much simplier compared to the
> existing one:
> > The newer version doesn't allow to specify custom mask or base for
> masking.
> > Instead it allows only certain options for masking top bits.
> >
> > Signed-off-by: Alexey Baturo <baturo.ale...@gmail.com>
> > ---
> >  target/riscv/cpu.c           |  10 --
> >  target/riscv/cpu.h           |  32 +---
> >  target/riscv/cpu_bits.h      |  82 ---------
> >  target/riscv/cpu_helper.c    |  52 ------
> >  target/riscv/csr.c           | 326 -----------------------------------
> >  target/riscv/machine.c       |   9 -
> >  target/riscv/translate.c     |  27 +--
> >  target/riscv/vector_helper.c |   2 +-
> >  8 files changed, 10 insertions(+), 530 deletions(-)
> >
> > diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> > index 83c7c0cf07..1e6571ce99 100644
> > --- a/target/riscv/cpu.c
> > +++ b/target/riscv/cpu.c
> > @@ -710,13 +710,6 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE
> *f, int flags)
> >              CSR_MSCRATCH,
> >              CSR_SSCRATCH,
> >              CSR_SATP,
> > -            CSR_MMTE,
> > -            CSR_UPMBASE,
> > -            CSR_UPMMASK,
> > -            CSR_SPMBASE,
> > -            CSR_SPMMASK,
> > -            CSR_MPMBASE,
> > -            CSR_MPMMASK,
> >          };
> >
> >          for (i = 0; i < ARRAY_SIZE(dump_csrs); ++i) {
> > @@ -891,8 +884,6 @@ static void riscv_cpu_reset_hold(Object *obj)
> >          }
> >          i++;
> >      }
> > -    /* mmte is supposed to have pm.current hardwired to 1 */
> > -    env->mmte |= (EXT_STATUS_INITIAL | MMTE_M_PM_CURRENT);
> >
> >      /*
> >       * Clear mseccfg and unlock all the PMP entries upon reset.
> > @@ -906,7 +897,6 @@ static void riscv_cpu_reset_hold(Object *obj)
> >      pmp_unlock_entries(env);
> >  #endif
> >      env->xl = riscv_cpu_mxl(env);
> > -    riscv_cpu_update_mask(env);
> >      cs->exception_index = RISCV_EXCP_NONE;
> >      env->load_res = -1;
> >      set_default_nan_mode(1, &env->fp_status);
> > diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
> > index d74b361be6..73f7004936 100644
> > --- a/target/riscv/cpu.h
> > +++ b/target/riscv/cpu.h
> > @@ -374,18 +374,7 @@ struct CPUArchState {
> >      /* True if in debugger mode.  */
> >      bool debugger;
> >
> > -    /*
> > -     * CSRs for PointerMasking extension
> > -     */
> > -    target_ulong mmte;
> > -    target_ulong mpmmask;
> > -    target_ulong mpmbase;
> > -    target_ulong spmmask;
> > -    target_ulong spmbase;
> > -    target_ulong upmmask;
> > -    target_ulong upmbase;
> > -
> > -    /* CSRs for execution environment configuration */
> > +    /* CSRs for execution enviornment configuration */
> >      uint64_t menvcfg;
> >      uint64_t mstateen[SMSTATEEN_MAX_COUNT];
> >      uint64_t hstateen[SMSTATEEN_MAX_COUNT];
> > @@ -393,8 +382,6 @@ struct CPUArchState {
> >      target_ulong senvcfg;
> >      uint64_t henvcfg;
> >  #endif
> > -    target_ulong cur_pmmask;
> > -    target_ulong cur_pmbase;
> >
> >      /* Fields from here on are preserved across CPU reset. */
> >      QEMUTimer *stimer; /* Internal timer for S-mode interrupt */
> > @@ -543,17 +530,14 @@ FIELD(TB_FLAGS, VILL, 14, 1)
> >  FIELD(TB_FLAGS, VSTART_EQ_ZERO, 15, 1)
> >  /* The combination of MXL/SXL/UXL that applies to the current cpu mode.
> */
> >  FIELD(TB_FLAGS, XL, 16, 2)
> > -/* If PointerMasking should be applied */
> > -FIELD(TB_FLAGS, PM_MASK_ENABLED, 18, 1)
> > -FIELD(TB_FLAGS, PM_BASE_ENABLED, 19, 1)
> > -FIELD(TB_FLAGS, VTA, 20, 1)
> > -FIELD(TB_FLAGS, VMA, 21, 1)
> > +FIELD(TB_FLAGS, VTA, 18, 1)
> > +FIELD(TB_FLAGS, VMA, 19, 1)
> >  /* Native debug itrigger */
> > -FIELD(TB_FLAGS, ITRIGGER, 22, 1)
> > +FIELD(TB_FLAGS, ITRIGGER, 20, 1)
> >  /* Virtual mode enabled */
> > -FIELD(TB_FLAGS, VIRT_ENABLED, 23, 1)
> > -FIELD(TB_FLAGS, PRIV, 24, 2)
> > -FIELD(TB_FLAGS, AXL, 26, 2)
> > +FIELD(TB_FLAGS, VIRT_ENABLED, 21, 1)
> > +FIELD(TB_FLAGS, PRIV, 22, 2)
> > +FIELD(TB_FLAGS, AXL, 24, 2)
> >
> >  #ifdef TARGET_RISCV32
> >  #define riscv_cpu_mxl(env)  ((void)(env), MXL_RV32)
> > @@ -680,8 +664,6 @@ static inline uint32_t vext_get_vlmax(RISCVCPU *cpu,
> target_ulong vtype)
> >  void cpu_get_tb_cpu_state(CPURISCVState *env, vaddr *pc,
> >                            uint64_t *cs_base, uint32_t *pflags);
> >
> > -void riscv_cpu_update_mask(CPURISCVState *env);
> > -
> >  RISCVException riscv_csrrw(CPURISCVState *env, int csrno,
> >                             target_ulong *ret_value,
> >                             target_ulong new_value, target_ulong
> write_mask);
> > diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h
> > index ebd7917d49..3f9415d68d 100644
> > --- a/target/riscv/cpu_bits.h
> > +++ b/target/riscv/cpu_bits.h
> > @@ -491,37 +491,6 @@
> >  #define CSR_MHPMCOUNTER30H  0xb9e
> >  #define CSR_MHPMCOUNTER31H  0xb9f
> >
> > -/*
> > - * User PointerMasking registers
> > - * NB: actual CSR numbers might be changed in future
> > - */
> > -#define CSR_UMTE            0x4c0
> > -#define CSR_UPMMASK         0x4c1
> > -#define CSR_UPMBASE         0x4c2
> > -
> > -/*
> > - * Machine PointerMasking registers
> > - * NB: actual CSR numbers might be changed in future
> > - */
> > -#define CSR_MMTE            0x3c0
> > -#define CSR_MPMMASK         0x3c1
> > -#define CSR_MPMBASE         0x3c2
> > -
> > -/*
> > - * Supervisor PointerMaster registers
> > - * NB: actual CSR numbers might be changed in future
> > - */
> > -#define CSR_SMTE            0x1c0
> > -#define CSR_SPMMASK         0x1c1
> > -#define CSR_SPMBASE         0x1c2
> > -
> > -/*
> > - * Hypervisor PointerMaster registers
> > - * NB: actual CSR numbers might be changed in future
> > - */
> > -#define CSR_VSMTE           0x2c0
> > -#define CSR_VSPMMASK        0x2c1
> > -#define CSR_VSPMBASE        0x2c2
> >  #define CSR_SCOUNTOVF       0xda0
> >
> >  /* Crypto Extension */
> > @@ -778,57 +747,6 @@ typedef enum RISCVException {
> >  #define HENVCFGH_PBMTE                      MENVCFGH_PBMTE
> >  #define HENVCFGH_STCE                       MENVCFGH_STCE
> >
> > -/* Offsets for every pair of control bits per each priv level */
> > -#define XS_OFFSET    0ULL
> > -#define U_OFFSET     2ULL
> > -#define S_OFFSET     5ULL
> > -#define M_OFFSET     8ULL
> > -
> > -#define PM_XS_BITS   (EXT_STATUS_MASK << XS_OFFSET)
> > -#define U_PM_ENABLE  (PM_ENABLE  << U_OFFSET)
> > -#define U_PM_CURRENT (PM_CURRENT << U_OFFSET)
> > -#define U_PM_INSN    (PM_INSN    << U_OFFSET)
> > -#define S_PM_ENABLE  (PM_ENABLE  << S_OFFSET)
> > -#define S_PM_CURRENT (PM_CURRENT << S_OFFSET)
> > -#define S_PM_INSN    (PM_INSN    << S_OFFSET)
> > -#define M_PM_ENABLE  (PM_ENABLE  << M_OFFSET)
> > -#define M_PM_CURRENT (PM_CURRENT << M_OFFSET)
> > -#define M_PM_INSN    (PM_INSN    << M_OFFSET)
> > -
> > -/* mmte CSR bits */
> > -#define MMTE_PM_XS_BITS     PM_XS_BITS
> > -#define MMTE_U_PM_ENABLE    U_PM_ENABLE
> > -#define MMTE_U_PM_CURRENT   U_PM_CURRENT
> > -#define MMTE_U_PM_INSN      U_PM_INSN
> > -#define MMTE_S_PM_ENABLE    S_PM_ENABLE
> > -#define MMTE_S_PM_CURRENT   S_PM_CURRENT
> > -#define MMTE_S_PM_INSN      S_PM_INSN
> > -#define MMTE_M_PM_ENABLE    M_PM_ENABLE
> > -#define MMTE_M_PM_CURRENT   M_PM_CURRENT
> > -#define MMTE_M_PM_INSN      M_PM_INSN
> > -#define MMTE_MASK    (MMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT |
> MMTE_U_PM_INSN | \
> > -                      MMTE_S_PM_ENABLE | MMTE_S_PM_CURRENT |
> MMTE_S_PM_INSN | \
> > -                      MMTE_M_PM_ENABLE | MMTE_M_PM_CURRENT |
> MMTE_M_PM_INSN | \
> > -                      MMTE_PM_XS_BITS)
> > -
> > -/* (v)smte CSR bits */
> > -#define SMTE_PM_XS_BITS     PM_XS_BITS
> > -#define SMTE_U_PM_ENABLE    U_PM_ENABLE
> > -#define SMTE_U_PM_CURRENT   U_PM_CURRENT
> > -#define SMTE_U_PM_INSN      U_PM_INSN
> > -#define SMTE_S_PM_ENABLE    S_PM_ENABLE
> > -#define SMTE_S_PM_CURRENT   S_PM_CURRENT
> > -#define SMTE_S_PM_INSN      S_PM_INSN
> > -#define SMTE_MASK    (SMTE_U_PM_ENABLE | SMTE_U_PM_CURRENT |
> SMTE_U_PM_INSN | \
> > -                      SMTE_S_PM_ENABLE | SMTE_S_PM_CURRENT |
> SMTE_S_PM_INSN | \
> > -                      SMTE_PM_XS_BITS)
> > -
> > -/* umte CSR bits */
> > -#define UMTE_U_PM_ENABLE    U_PM_ENABLE
> > -#define UMTE_U_PM_CURRENT   U_PM_CURRENT
> > -#define UMTE_U_PM_INSN      U_PM_INSN
> > -#define UMTE_MASK     (UMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT |
> UMTE_U_PM_INSN)
> > -
> >  /* MISELECT, SISELECT, and VSISELECT bits (AIA) */
> >  #define ISELECT_IPRIO0                     0x30
> >  #define ISELECT_IPRIO15                    0x3f
> > diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
> > index e7e23b34f4..a3d477d226 100644
> > --- a/target/riscv/cpu_helper.c
> > +++ b/target/riscv/cpu_helper.c
> > @@ -135,61 +135,10 @@ void cpu_get_tb_cpu_state(CPURISCVState *env,
> vaddr *pc,
> >      flags = FIELD_DP32(flags, TB_FLAGS, VS, vs);
> >      flags = FIELD_DP32(flags, TB_FLAGS, XL, env->xl);
> >      flags = FIELD_DP32(flags, TB_FLAGS, AXL, cpu_address_xl(env));
> > -    if (env->cur_pmmask != 0) {
> > -        flags = FIELD_DP32(flags, TB_FLAGS, PM_MASK_ENABLED, 1);
> > -    }
> > -    if (env->cur_pmbase != 0) {
> > -        flags = FIELD_DP32(flags, TB_FLAGS, PM_BASE_ENABLED, 1);
> > -    }
> >
> >      *pflags = flags;
> >  }
> >
> > -void riscv_cpu_update_mask(CPURISCVState *env)
> > -{
> > -    target_ulong mask = 0, base = 0;
> > -    RISCVMXL xl = env->xl;
> > -    /*
> > -     * TODO: Current RVJ spec does not specify
> > -     * how the extension interacts with XLEN.
> > -     */
> > -#ifndef CONFIG_USER_ONLY
> > -    int mode = cpu_address_mode(env);
> > -    xl = cpu_get_xl(env, mode);
> > -    if (riscv_has_ext(env, RVJ)) {
> > -        switch (mode) {
> > -        case PRV_M:
> > -            if (env->mmte & M_PM_ENABLE) {
> > -                mask = env->mpmmask;
> > -                base = env->mpmbase;
> > -            }
> > -            break;
> > -        case PRV_S:
> > -            if (env->mmte & S_PM_ENABLE) {
> > -                mask = env->spmmask;
> > -                base = env->spmbase;
> > -            }
> > -            break;
> > -        case PRV_U:
> > -            if (env->mmte & U_PM_ENABLE) {
> > -                mask = env->upmmask;
> > -                base = env->upmbase;
> > -            }
> > -            break;
> > -        default:
> > -            g_assert_not_reached();
> > -        }
> > -    }
> > -#endif
> > -    if (xl == MXL_RV32) {
> > -        env->cur_pmmask = mask & UINT32_MAX;
> > -        env->cur_pmbase = base & UINT32_MAX;
> > -    } else {
> > -        env->cur_pmmask = mask;
> > -        env->cur_pmbase = base;
> > -    }
> > -}
> > -
> >  #ifndef CONFIG_USER_ONLY
> >
> >  /*
> > @@ -721,7 +670,6 @@ void riscv_cpu_set_mode(CPURISCVState *env,
> target_ulong newpriv)
> >      /* tlb_flush is unnecessary as mode is contained in mmu_idx */
> >      env->priv = newpriv;
> >      env->xl = cpu_recompute_xl(env);
> > -    riscv_cpu_update_mask(env);
> >
> >      /*
> >       * Clear the load reservation - otherwise a reservation placed in
> one
> > diff --git a/target/riscv/csr.c b/target/riscv/csr.c
> > index fde7ce1a53..ea4e1ac6ef 100644
> > --- a/target/riscv/csr.c
> > +++ b/target/riscv/csr.c
> > @@ -483,16 +483,6 @@ static RISCVException hgatp(CPURISCVState *env, int
> csrno)
> >      return hmode(env, csrno);
> >  }
> >
> > -/* Checks if PointerMasking registers could be accessed */
> > -static RISCVException pointer_masking(CPURISCVState *env, int csrno)
> > -{
> > -    /* Check if j-ext is present */
> > -    if (riscv_has_ext(env, RVJ)) {
> > -        return RISCV_EXCP_NONE;
> > -    }
> > -    return RISCV_EXCP_ILLEGAL_INST;
> > -}
> > -
> >  static int aia_hmode(CPURISCVState *env, int csrno)
> >  {
> >      if (!riscv_cpu_cfg(env)->ext_ssaia) {
> > @@ -1355,7 +1345,6 @@ static RISCVException write_mstatus(CPURISCVState
> *env, int csrno,
> >          env->xl = cpu_recompute_xl(env);
> >      }
> >
> > -    riscv_cpu_update_mask(env);
> >      return RISCV_EXCP_NONE;
> >  }
> >
> > @@ -3900,302 +3889,6 @@ static RISCVException read_tinfo(CPURISCVState
> *env, int csrno,
> >      return RISCV_EXCP_NONE;
> >  }
> >
> > -/*
> > - * Functions to access Pointer Masking feature registers
> > - * We have to check if current priv lvl could modify
> > - * csr in given mode
> > - */
> > -static bool check_pm_current_disabled(CPURISCVState *env, int csrno)
> > -{
> > -    int csr_priv = get_field(csrno, 0x300);
> > -    int pm_current;
> > -
> > -    if (env->debugger) {
> > -        return false;
> > -    }
> > -    /*
> > -     * If priv lvls differ that means we're accessing csr from higher
> priv lvl,
> > -     * so allow the access
> > -     */
> > -    if (env->priv != csr_priv) {
> > -        return false;
> > -    }
> > -    switch (env->priv) {
> > -    case PRV_M:
> > -        pm_current = get_field(env->mmte, M_PM_CURRENT);
> > -        break;
> > -    case PRV_S:
> > -        pm_current = get_field(env->mmte, S_PM_CURRENT);
> > -        break;
> > -    case PRV_U:
> > -        pm_current = get_field(env->mmte, U_PM_CURRENT);
> > -        break;
> > -    default:
> > -        g_assert_not_reached();
> > -    }
> > -    /* It's same priv lvl, so we allow to modify csr only if
> pm.current==1 */
> > -    return !pm_current;
> > -}
> > -
> > -static RISCVException read_mmte(CPURISCVState *env, int csrno,
> > -                                target_ulong *val)
> > -{
> > -    *val = env->mmte & MMTE_MASK;
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException write_mmte(CPURISCVState *env, int csrno,
> > -                                 target_ulong val)
> > -{
> > -    uint64_t mstatus;
> > -    target_ulong wpri_val = val & MMTE_MASK;
> > -
> > -    if (val != wpri_val) {
> > -        qemu_log_mask(LOG_GUEST_ERROR, "%s" TARGET_FMT_lx " %s"
> > -                      TARGET_FMT_lx "\n", "MMTE: WPRI violation written
> 0x",
> > -                      val, "vs expected 0x", wpri_val);
> > -    }
> > -    /* for machine mode pm.current is hardwired to 1 */
> > -    wpri_val |= MMTE_M_PM_CURRENT;
> > -
> > -    /* hardwiring pm.instruction bit to 0, since it's not supported yet
> */
> > -    wpri_val &= ~(MMTE_M_PM_INSN | MMTE_S_PM_INSN | MMTE_U_PM_INSN);
> > -    env->mmte = wpri_val | EXT_STATUS_DIRTY;
> > -    riscv_cpu_update_mask(env);
> > -
> > -    /* Set XS and SD bits, since PM CSRs are dirty */
> > -    mstatus = env->mstatus | MSTATUS_XS;
> > -    write_mstatus(env, csrno, mstatus);
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException read_smte(CPURISCVState *env, int csrno,
> > -                                target_ulong *val)
> > -{
> > -    *val = env->mmte & SMTE_MASK;
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException write_smte(CPURISCVState *env, int csrno,
> > -                                 target_ulong val)
> > -{
> > -    target_ulong wpri_val = val & SMTE_MASK;
> > -
> > -    if (val != wpri_val) {
> > -        qemu_log_mask(LOG_GUEST_ERROR, "%s" TARGET_FMT_lx " %s"
> > -                      TARGET_FMT_lx "\n", "SMTE: WPRI violation written
> 0x",
> > -                      val, "vs expected 0x", wpri_val);
> > -    }
> > -
> > -    /* if pm.current==0 we can't modify current PM CSRs */
> > -    if (check_pm_current_disabled(env, csrno)) {
> > -        return RISCV_EXCP_NONE;
> > -    }
> > -
> > -    wpri_val |= (env->mmte & ~SMTE_MASK);
> > -    write_mmte(env, csrno, wpri_val);
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException read_umte(CPURISCVState *env, int csrno,
> > -                                target_ulong *val)
> > -{
> > -    *val = env->mmte & UMTE_MASK;
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException write_umte(CPURISCVState *env, int csrno,
> > -                                 target_ulong val)
> > -{
> > -    target_ulong wpri_val = val & UMTE_MASK;
> > -
> > -    if (val != wpri_val) {
> > -        qemu_log_mask(LOG_GUEST_ERROR, "%s" TARGET_FMT_lx " %s"
> > -                      TARGET_FMT_lx "\n", "UMTE: WPRI violation written
> 0x",
> > -                      val, "vs expected 0x", wpri_val);
> > -    }
> > -
> > -    if (check_pm_current_disabled(env, csrno)) {
> > -        return RISCV_EXCP_NONE;
> > -    }
> > -
> > -    wpri_val |= (env->mmte & ~UMTE_MASK);
> > -    write_mmte(env, csrno, wpri_val);
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException read_mpmmask(CPURISCVState *env, int csrno,
> > -                                   target_ulong *val)
> > -{
> > -    *val = env->mpmmask;
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException write_mpmmask(CPURISCVState *env, int csrno,
> > -                                    target_ulong val)
> > -{
> > -    uint64_t mstatus;
> > -
> > -    env->mpmmask = val;
> > -    if ((cpu_address_mode(env) == PRV_M) && (env->mmte & M_PM_ENABLE)) {
> > -        env->cur_pmmask = val;
> > -    }
> > -    env->mmte |= EXT_STATUS_DIRTY;
> > -
> > -    /* Set XS and SD bits, since PM CSRs are dirty */
> > -    mstatus = env->mstatus | MSTATUS_XS;
> > -    write_mstatus(env, csrno, mstatus);
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException read_spmmask(CPURISCVState *env, int csrno,
> > -                                   target_ulong *val)
> > -{
> > -    *val = env->spmmask;
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException write_spmmask(CPURISCVState *env, int csrno,
> > -                                    target_ulong val)
> > -{
> > -    uint64_t mstatus;
> > -
> > -    /* if pm.current==0 we can't modify current PM CSRs */
> > -    if (check_pm_current_disabled(env, csrno)) {
> > -        return RISCV_EXCP_NONE;
> > -    }
> > -    env->spmmask = val;
> > -    if ((cpu_address_mode(env) == PRV_S) && (env->mmte & S_PM_ENABLE)) {
> > -        env->cur_pmmask = val;
> > -        if (cpu_get_xl(env, PRV_S) == MXL_RV32) {
> > -            env->cur_pmmask &= UINT32_MAX;
> > -        }
> > -    }
> > -    env->mmte |= EXT_STATUS_DIRTY;
> > -
> > -    /* Set XS and SD bits, since PM CSRs are dirty */
> > -    mstatus = env->mstatus | MSTATUS_XS;
> > -    write_mstatus(env, csrno, mstatus);
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException read_upmmask(CPURISCVState *env, int csrno,
> > -                                   target_ulong *val)
> > -{
> > -    *val = env->upmmask;
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException write_upmmask(CPURISCVState *env, int csrno,
> > -                                    target_ulong val)
> > -{
> > -    uint64_t mstatus;
> > -
> > -    /* if pm.current==0 we can't modify current PM CSRs */
> > -    if (check_pm_current_disabled(env, csrno)) {
> > -        return RISCV_EXCP_NONE;
> > -    }
> > -    env->upmmask = val;
> > -    if ((cpu_address_mode(env) == PRV_U) && (env->mmte & U_PM_ENABLE)) {
> > -        env->cur_pmmask = val;
> > -        if (cpu_get_xl(env, PRV_U) == MXL_RV32) {
> > -            env->cur_pmmask &= UINT32_MAX;
> > -        }
> > -    }
> > -    env->mmte |= EXT_STATUS_DIRTY;
> > -
> > -    /* Set XS and SD bits, since PM CSRs are dirty */
> > -    mstatus = env->mstatus | MSTATUS_XS;
> > -    write_mstatus(env, csrno, mstatus);
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException read_mpmbase(CPURISCVState *env, int csrno,
> > -                                   target_ulong *val)
> > -{
> > -    *val = env->mpmbase;
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException write_mpmbase(CPURISCVState *env, int csrno,
> > -                                    target_ulong val)
> > -{
> > -    uint64_t mstatus;
> > -
> > -    env->mpmbase = val;
> > -    if ((cpu_address_mode(env) == PRV_M) && (env->mmte & M_PM_ENABLE)) {
> > -        env->cur_pmbase = val;
> > -    }
> > -    env->mmte |= EXT_STATUS_DIRTY;
> > -
> > -    /* Set XS and SD bits, since PM CSRs are dirty */
> > -    mstatus = env->mstatus | MSTATUS_XS;
> > -    write_mstatus(env, csrno, mstatus);
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException read_spmbase(CPURISCVState *env, int csrno,
> > -                                   target_ulong *val)
> > -{
> > -    *val = env->spmbase;
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException write_spmbase(CPURISCVState *env, int csrno,
> > -                                    target_ulong val)
> > -{
> > -    uint64_t mstatus;
> > -
> > -    /* if pm.current==0 we can't modify current PM CSRs */
> > -    if (check_pm_current_disabled(env, csrno)) {
> > -        return RISCV_EXCP_NONE;
> > -    }
> > -    env->spmbase = val;
> > -    if ((cpu_address_mode(env) == PRV_S) && (env->mmte & S_PM_ENABLE)) {
> > -        env->cur_pmbase = val;
> > -        if (cpu_get_xl(env, PRV_S) == MXL_RV32) {
> > -            env->cur_pmbase &= UINT32_MAX;
> > -        }
> > -    }
> > -    env->mmte |= EXT_STATUS_DIRTY;
> > -
> > -    /* Set XS and SD bits, since PM CSRs are dirty */
> > -    mstatus = env->mstatus | MSTATUS_XS;
> > -    write_mstatus(env, csrno, mstatus);
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException read_upmbase(CPURISCVState *env, int csrno,
> > -                                   target_ulong *val)
> > -{
> > -    *val = env->upmbase;
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> > -static RISCVException write_upmbase(CPURISCVState *env, int csrno,
> > -                                    target_ulong val)
> > -{
> > -    uint64_t mstatus;
> > -
> > -    /* if pm.current==0 we can't modify current PM CSRs */
> > -    if (check_pm_current_disabled(env, csrno)) {
> > -        return RISCV_EXCP_NONE;
> > -    }
> > -    env->upmbase = val;
> > -    if ((cpu_address_mode(env) == PRV_U) && (env->mmte & U_PM_ENABLE)) {
> > -        env->cur_pmbase = val;
> > -        if (cpu_get_xl(env, PRV_U) == MXL_RV32) {
> > -            env->cur_pmbase &= UINT32_MAX;
> > -        }
> > -    }
> > -    env->mmte |= EXT_STATUS_DIRTY;
> > -
> > -    /* Set XS and SD bits, since PM CSRs are dirty */
> > -    mstatus = env->mstatus | MSTATUS_XS;
> > -    write_mstatus(env, csrno, mstatus);
> > -    return RISCV_EXCP_NONE;
> > -}
> > -
> >  #endif
> >
> >  /* Crypto Extension */
> > @@ -4800,25 +4493,6 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = {
> >      [CSR_TDATA3]    =  { "tdata3",  debug, read_tdata,   write_tdata
>  },
> >      [CSR_TINFO]     =  { "tinfo",   debug, read_tinfo,   write_ignore
> },
> >
> > -    /* User Pointer Masking */
> > -    [CSR_UMTE]    =    { "umte",    pointer_masking, read_umte,
> write_umte },
> > -    [CSR_UPMMASK] =    { "upmmask", pointer_masking, read_upmmask,
> > -                         write_upmmask
>     },
> > -    [CSR_UPMBASE] =    { "upmbase", pointer_masking, read_upmbase,
> > -                         write_upmbase
>     },
> > -    /* Machine Pointer Masking */
> > -    [CSR_MMTE]    =    { "mmte",    pointer_masking, read_mmte,
> write_mmte },
> > -    [CSR_MPMMASK] =    { "mpmmask", pointer_masking, read_mpmmask,
> > -                         write_mpmmask
>     },
> > -    [CSR_MPMBASE] =    { "mpmbase", pointer_masking, read_mpmbase,
> > -                         write_mpmbase
>     },
> > -    /* Supervisor Pointer Masking */
> > -    [CSR_SMTE]    =    { "smte",    pointer_masking, read_smte,
> write_smte },
> > -    [CSR_SPMMASK] =    { "spmmask", pointer_masking, read_spmmask,
> > -                         write_spmmask
>     },
> > -    [CSR_SPMBASE] =    { "spmbase", pointer_masking, read_spmbase,
> > -                         write_spmbase
>     },
> > -
> >      /* Performance Counters */
> >      [CSR_HPMCOUNTER3]    = { "hpmcounter3",    ctr,    read_hpmcounter
> },
> >      [CSR_HPMCOUNTER4]    = { "hpmcounter4",    ctr,    read_hpmcounter
> },
> > diff --git a/target/riscv/machine.c b/target/riscv/machine.c
> > index fdde243e04..860fe56d43 100644
> > --- a/target/riscv/machine.c
> > +++ b/target/riscv/machine.c
> > @@ -164,14 +164,6 @@ static const VMStateDescription
> vmstate_pointermasking = {
> >      .minimum_version_id = 1,
>
> We want to bump the version_id and minimum_version_id
>
> Alistair
>

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