Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 982 deletions

diff --git a/qemu/target-xtensa/op_helper.c b/qemu/target-xtensa/op_helper.c
deleted file mode 100644
index 62fa33d8d..000000000
--- a/qemu/target-xtensa/op_helper.c
+++ /dev/null
@@ -1,982 +0,0 @@
-/*
- * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in the
- *       documentation and/or other materials provided with the distribution.
- *     * Neither the name of the Open Source and Linux Lab nor the
- *       names of its contributors may be used to endorse or promote products
- *       derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "qemu/osdep.h"
-#include "cpu.h"
-#include "exec/helper-proto.h"
-#include "qemu/host-utils.h"
-#include "exec/cpu_ldst.h"
-#include "exec/address-spaces.h"
-#include "qemu/timer.h"
-
-void xtensa_cpu_do_unaligned_access(CPUState *cs,
-        vaddr addr, int is_write, int is_user, uintptr_t retaddr)
-{
-    XtensaCPU *cpu = XTENSA_CPU(cs);
-    CPUXtensaState *env = &cpu->env;
-
-    if (xtensa_option_enabled(env->config, XTENSA_OPTION_UNALIGNED_EXCEPTION) &&
-            !xtensa_option_enabled(env->config, XTENSA_OPTION_HW_ALIGNMENT)) {
-        cpu_restore_state(CPU(cpu), retaddr);
-        HELPER(exception_cause_vaddr)(env,
-                env->pc, LOAD_STORE_ALIGNMENT_CAUSE, addr);
-    }
-}
-
-void tlb_fill(CPUState *cs,
-              target_ulong vaddr, int is_write, int mmu_idx, uintptr_t retaddr)
-{
-    XtensaCPU *cpu = XTENSA_CPU(cs);
-    CPUXtensaState *env = &cpu->env;
-    uint32_t paddr;
-    uint32_t page_size;
-    unsigned access;
-    int ret = xtensa_get_physical_addr(env, true, vaddr, is_write, mmu_idx,
-            &paddr, &page_size, &access);
-
-    qemu_log_mask(CPU_LOG_MMU, "%s(%08x, %d, %d) -> %08x, ret = %d\n",
-                  __func__, vaddr, is_write, mmu_idx, paddr, ret);
-
-    if (ret == 0) {
-        tlb_set_page(cs,
-                     vaddr & TARGET_PAGE_MASK,
-                     paddr & TARGET_PAGE_MASK,
-                     access, mmu_idx, page_size);
-    } else {
-        cpu_restore_state(cs, retaddr);
-        HELPER(exception_cause_vaddr)(env, env->pc, ret, vaddr);
-    }
-}
-
-void xtensa_cpu_do_unassigned_access(CPUState *cs, hwaddr addr,
-                                     bool is_write, bool is_exec, int opaque,
-                                     unsigned size)
-{
-    XtensaCPU *cpu = XTENSA_CPU(cs);
-    CPUXtensaState *env = &cpu->env;
-
-    HELPER(exception_cause_vaddr)(env, env->pc,
-                                  is_exec ?
-                                  INSTR_PIF_ADDR_ERROR_CAUSE :
-                                  LOAD_STORE_PIF_ADDR_ERROR_CAUSE,
-                                  is_exec ? addr : cs->mem_io_vaddr);
-}
-
-static void tb_invalidate_virtual_addr(CPUXtensaState *env, uint32_t vaddr)
-{
-    uint32_t paddr;
-    uint32_t page_size;
-    unsigned access;
-    int ret = xtensa_get_physical_addr(env, false, vaddr, 2, 0,
-            &paddr, &page_size, &access);
-    if (ret == 0) {
-        tb_invalidate_phys_addr(&address_space_memory, paddr);
-    }
-}
-
-void HELPER(exception)(CPUXtensaState *env, uint32_t excp)
-{
-    CPUState *cs = CPU(xtensa_env_get_cpu(env));
-
-    cs->exception_index = excp;
-    if (excp == EXCP_DEBUG) {
-        env->exception_taken = 0;
-    }
-    cpu_loop_exit(cs);
-}
-
-void HELPER(exception_cause)(CPUXtensaState *env, uint32_t pc, uint32_t cause)
-{
-    uint32_t vector;
-
-    env->pc = pc;
-    if (env->sregs[PS] & PS_EXCM) {
-        if (env->config->ndepc) {
-            env->sregs[DEPC] = pc;
-        } else {
-            env->sregs[EPC1] = pc;
-        }
-        vector = EXC_DOUBLE;
-    } else {
-        env->sregs[EPC1] = pc;
-        vector = (env->sregs[PS] & PS_UM) ? EXC_USER : EXC_KERNEL;
-    }
-
-    env->sregs[EXCCAUSE] = cause;
-    env->sregs[PS] |= PS_EXCM;
-
-    HELPER(exception)(env, vector);
-}
-
-void HELPER(exception_cause_vaddr)(CPUXtensaState *env,
-        uint32_t pc, uint32_t cause, uint32_t vaddr)
-{
-    env->sregs[EXCVADDR] = vaddr;
-    HELPER(exception_cause)(env, pc, cause);
-}
-
-void debug_exception_env(CPUXtensaState *env, uint32_t cause)
-{
-    if (xtensa_get_cintlevel(env) < env->config->debug_level) {
-        HELPER(debug_exception)(env, env->pc, cause);
-    }
-}
-
-void HELPER(debug_exception)(CPUXtensaState *env, uint32_t pc, uint32_t cause)
-{
-    unsigned level = env->config->debug_level;
-
-    env->pc = pc;
-    env->sregs[DEBUGCAUSE] = cause;
-    env->sregs[EPC1 + level - 1] = pc;
-    env->sregs[EPS2 + level - 2] = env->sregs[PS];
-    env->sregs[PS] = (env->sregs[PS] & ~PS_INTLEVEL) | PS_EXCM |
-        (level << PS_INTLEVEL_SHIFT);
-    HELPER(exception)(env, EXC_DEBUG);
-}
-
-uint32_t HELPER(nsa)(uint32_t v)
-{
-    if (v & 0x80000000) {
-        v = ~v;
-    }
-    return v ? clz32(v) - 1 : 31;
-}
-
-uint32_t HELPER(nsau)(uint32_t v)
-{
-    return v ? clz32(v) : 32;
-}
-
-static void copy_window_from_phys(CPUXtensaState *env,
-        uint32_t window, uint32_t phys, uint32_t n)
-{
-    assert(phys < env->config->nareg);
-    if (phys + n <= env->config->nareg) {
-        memcpy(env->regs + window, env->phys_regs + phys,
-                n * sizeof(uint32_t));
-    } else {
-        uint32_t n1 = env->config->nareg - phys;
-        memcpy(env->regs + window, env->phys_regs + phys,
-                n1 * sizeof(uint32_t));
-        memcpy(env->regs + window + n1, env->phys_regs,
-                (n - n1) * sizeof(uint32_t));
-    }
-}
-
-static void copy_phys_from_window(CPUXtensaState *env,
-        uint32_t phys, uint32_t window, uint32_t n)
-{
-    assert(phys < env->config->nareg);
-    if (phys + n <= env->config->nareg) {
-        memcpy(env->phys_regs + phys, env->regs + window,
-                n * sizeof(uint32_t));
-    } else {
-        uint32_t n1 = env->config->nareg - phys;
-        memcpy(env->phys_regs + phys, env->regs + window,
-                n1 * sizeof(uint32_t));
-        memcpy(env->phys_regs, env->regs + window + n1,
-                (n - n1) * sizeof(uint32_t));
-    }
-}
-
-
-static inline unsigned windowbase_bound(unsigned a, const CPUXtensaState *env)
-{
-    return a & (env->config->nareg / 4 - 1);
-}
-
-static inline unsigned windowstart_bit(unsigned a, const CPUXtensaState *env)
-{
-    return 1 << windowbase_bound(a, env);
-}
-
-void xtensa_sync_window_from_phys(CPUXtensaState *env)
-{
-    copy_window_from_phys(env, 0, env->sregs[WINDOW_BASE] * 4, 16);
-}
-
-void xtensa_sync_phys_from_window(CPUXtensaState *env)
-{
-    copy_phys_from_window(env, env->sregs[WINDOW_BASE] * 4, 0, 16);
-}
-
-static void rotate_window_abs(CPUXtensaState *env, uint32_t position)
-{
-    xtensa_sync_phys_from_window(env);
-    env->sregs[WINDOW_BASE] = windowbase_bound(position, env);
-    xtensa_sync_window_from_phys(env);
-}
-
-static void rotate_window(CPUXtensaState *env, uint32_t delta)
-{
-    rotate_window_abs(env, env->sregs[WINDOW_BASE] + delta);
-}
-
-void HELPER(wsr_windowbase)(CPUXtensaState *env, uint32_t v)
-{
-    rotate_window_abs(env, v);
-}
-
-void HELPER(entry)(CPUXtensaState *env, uint32_t pc, uint32_t s, uint32_t imm)
-{
-    int callinc = (env->sregs[PS] & PS_CALLINC) >> PS_CALLINC_SHIFT;
-    if (s > 3 || ((env->sregs[PS] & (PS_WOE | PS_EXCM)) ^ PS_WOE) != 0) {
-        qemu_log_mask(LOG_GUEST_ERROR, "Illegal entry instruction(pc = %08x), PS = %08x\n",
-                      pc, env->sregs[PS]);
-        HELPER(exception_cause)(env, pc, ILLEGAL_INSTRUCTION_CAUSE);
-    } else {
-        uint32_t windowstart = xtensa_replicate_windowstart(env) >>
-            (env->sregs[WINDOW_BASE] + 1);
-
-        if (windowstart & ((1 << callinc) - 1)) {
-            HELPER(window_check)(env, pc, callinc);
-        }
-        env->regs[(callinc << 2) | (s & 3)] = env->regs[s] - (imm << 3);
-        rotate_window(env, callinc);
-        env->sregs[WINDOW_START] |=
-            windowstart_bit(env->sregs[WINDOW_BASE], env);
-    }
-}
-
-void HELPER(window_check)(CPUXtensaState *env, uint32_t pc, uint32_t w)
-{
-    uint32_t windowbase = windowbase_bound(env->sregs[WINDOW_BASE], env);
-    uint32_t windowstart = xtensa_replicate_windowstart(env) >>
-        (env->sregs[WINDOW_BASE] + 1);
-    uint32_t n = ctz32(windowstart) + 1;
-
-    assert(n <= w);
-
-    rotate_window(env, n);
-    env->sregs[PS] = (env->sregs[PS] & ~PS_OWB) |
-        (windowbase << PS_OWB_SHIFT) | PS_EXCM;
-    env->sregs[EPC1] = env->pc = pc;
-
-    switch (ctz32(windowstart >> n)) {
-    case 0:
-        HELPER(exception)(env, EXC_WINDOW_OVERFLOW4);
-        break;
-    case 1:
-        HELPER(exception)(env, EXC_WINDOW_OVERFLOW8);
-        break;
-    default:
-        HELPER(exception)(env, EXC_WINDOW_OVERFLOW12);
-        break;
-    }
-}
-
-uint32_t HELPER(retw)(CPUXtensaState *env, uint32_t pc)
-{
-    int n = (env->regs[0] >> 30) & 0x3;
-    int m = 0;
-    uint32_t windowbase = windowbase_bound(env->sregs[WINDOW_BASE], env);
-    uint32_t windowstart = env->sregs[WINDOW_START];
-    uint32_t ret_pc = 0;
-
-    if (windowstart & windowstart_bit(windowbase - 1, env)) {
-        m = 1;
-    } else if (windowstart & windowstart_bit(windowbase - 2, env)) {
-        m = 2;
-    } else if (windowstart & windowstart_bit(windowbase - 3, env)) {
-        m = 3;
-    }
-
-    if (n == 0 || (m != 0 && m != n) ||
-            ((env->sregs[PS] & (PS_WOE | PS_EXCM)) ^ PS_WOE) != 0) {
-        qemu_log_mask(LOG_GUEST_ERROR, "Illegal retw instruction(pc = %08x), "
-                      "PS = %08x, m = %d, n = %d\n",
-                      pc, env->sregs[PS], m, n);
-        HELPER(exception_cause)(env, pc, ILLEGAL_INSTRUCTION_CAUSE);
-    } else {
-        int owb = windowbase;
-
-        ret_pc = (pc & 0xc0000000) | (env->regs[0] & 0x3fffffff);
-
-        rotate_window(env, -n);
-        if (windowstart & windowstart_bit(env->sregs[WINDOW_BASE], env)) {
-            env->sregs[WINDOW_START] &= ~windowstart_bit(owb, env);
-        } else {
-            /* window underflow */
-            env->sregs[PS] = (env->sregs[PS] & ~PS_OWB) |
-                (windowbase << PS_OWB_SHIFT) | PS_EXCM;
-            env->sregs[EPC1] = env->pc = pc;
-
-            if (n == 1) {
-                HELPER(exception)(env, EXC_WINDOW_UNDERFLOW4);
-            } else if (n == 2) {
-                HELPER(exception)(env, EXC_WINDOW_UNDERFLOW8);
-            } else if (n == 3) {
-                HELPER(exception)(env, EXC_WINDOW_UNDERFLOW12);
-            }
-        }
-    }
-    return ret_pc;
-}
-
-void HELPER(rotw)(CPUXtensaState *env, uint32_t imm4)
-{
-    rotate_window(env, imm4);
-}
-
-void HELPER(restore_owb)(CPUXtensaState *env)
-{
-    rotate_window_abs(env, (env->sregs[PS] & PS_OWB) >> PS_OWB_SHIFT);
-}
-
-void HELPER(movsp)(CPUXtensaState *env, uint32_t pc)
-{
-    if ((env->sregs[WINDOW_START] &
-            (windowstart_bit(env->sregs[WINDOW_BASE] - 3, env) |
-             windowstart_bit(env->sregs[WINDOW_BASE] - 2, env) |
-             windowstart_bit(env->sregs[WINDOW_BASE] - 1, env))) == 0) {
-        HELPER(exception_cause)(env, pc, ALLOCA_CAUSE);
-    }
-}
-
-void HELPER(wsr_lbeg)(CPUXtensaState *env, uint32_t v)
-{
-    if (env->sregs[LBEG] != v) {
-        tb_invalidate_virtual_addr(env, env->sregs[LEND] - 1);
-        env->sregs[LBEG] = v;
-    }
-}
-
-void HELPER(wsr_lend)(CPUXtensaState *env, uint32_t v)
-{
-    if (env->sregs[LEND] != v) {
-        tb_invalidate_virtual_addr(env, env->sregs[LEND] - 1);
-        env->sregs[LEND] = v;
-        tb_invalidate_virtual_addr(env, env->sregs[LEND] - 1);
-    }
-}
-
-void HELPER(dump_state)(CPUXtensaState *env)
-{
-    XtensaCPU *cpu = xtensa_env_get_cpu(env);
-
-    cpu_dump_state(CPU(cpu), stderr, fprintf, 0);
-}
-
-void HELPER(waiti)(CPUXtensaState *env, uint32_t pc, uint32_t intlevel)
-{
-    CPUState *cpu;
-
-    env->pc = pc;
-    env->sregs[PS] = (env->sregs[PS] & ~PS_INTLEVEL) |
-        (intlevel << PS_INTLEVEL_SHIFT);
-    check_interrupts(env);
-    if (env->pending_irq_level) {
-        cpu_loop_exit(CPU(xtensa_env_get_cpu(env)));
-        return;
-    }
-
-    cpu = CPU(xtensa_env_get_cpu(env));
-    env->halt_clock = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
-    cpu->halted = 1;
-    if (xtensa_option_enabled(env->config, XTENSA_OPTION_TIMER_INTERRUPT)) {
-        xtensa_rearm_ccompare_timer(env);
-    }
-    HELPER(exception)(env, EXCP_HLT);
-}
-
-void HELPER(timer_irq)(CPUXtensaState *env, uint32_t id, uint32_t active)
-{
-    xtensa_timer_irq(env, id, active);
-}
-
-void HELPER(advance_ccount)(CPUXtensaState *env, uint32_t d)
-{
-    xtensa_advance_ccount(env, d);
-}
-
-void HELPER(check_interrupts)(CPUXtensaState *env)
-{
-    check_interrupts(env);
-}
-
-void HELPER(itlb_hit_test)(CPUXtensaState *env, uint32_t vaddr)
-{
-    get_page_addr_code(env, vaddr);
-}
-
-/*!
- * Check vaddr accessibility/cache attributes and raise an exception if
- * specified by the ATOMCTL SR.
- *
- * Note: local memory exclusion is not implemented
- */
-void HELPER(check_atomctl)(CPUXtensaState *env, uint32_t pc, uint32_t vaddr)
-{
-    uint32_t paddr, page_size, access;
-    uint32_t atomctl = env->sregs[ATOMCTL];
-    int rc = xtensa_get_physical_addr(env, true, vaddr, 1,
-            xtensa_get_cring(env), &paddr, &page_size, &access);
-
-    /*
-     * s32c1i never causes LOAD_PROHIBITED_CAUSE exceptions,
-     * see opcode description in the ISA
-     */
-    if (rc == 0 &&
-            (access & (PAGE_READ | PAGE_WRITE)) != (PAGE_READ | PAGE_WRITE)) {
-        rc = STORE_PROHIBITED_CAUSE;
-    }
-
-    if (rc) {
-        HELPER(exception_cause_vaddr)(env, pc, rc, vaddr);
-    }
-
-    /*
-     * When data cache is not configured use ATOMCTL bypass field.
-     * See ISA, 4.3.12.4 The Atomic Operation Control Register (ATOMCTL)
-     * under the Conditional Store Option.
-     */
-    if (!xtensa_option_enabled(env->config, XTENSA_OPTION_DCACHE)) {
-        access = PAGE_CACHE_BYPASS;
-    }
-
-    switch (access & PAGE_CACHE_MASK) {
-    case PAGE_CACHE_WB:
-        atomctl >>= 2;
-        /* fall through */
-    case PAGE_CACHE_WT:
-        atomctl >>= 2;
-        /* fall through */
-    case PAGE_CACHE_BYPASS:
-        if ((atomctl & 0x3) == 0) {
-            HELPER(exception_cause_vaddr)(env, pc,
-                    LOAD_STORE_ERROR_CAUSE, vaddr);
-        }
-        break;
-
-    case PAGE_CACHE_ISOLATE:
-        HELPER(exception_cause_vaddr)(env, pc,
-                LOAD_STORE_ERROR_CAUSE, vaddr);
-        break;
-
-    default:
-        break;
-    }
-}
-
-void HELPER(wsr_rasid)(CPUXtensaState *env, uint32_t v)
-{
-    XtensaCPU *cpu = xtensa_env_get_cpu(env);
-
-    v = (v & 0xffffff00) | 0x1;
-    if (v != env->sregs[RASID]) {
-        env->sregs[RASID] = v;
-        tlb_flush(CPU(cpu), 1);
-    }
-}
-
-static uint32_t get_page_size(const CPUXtensaState *env, bool dtlb, uint32_t way)
-{
-    uint32_t tlbcfg = env->sregs[dtlb ? DTLBCFG : ITLBCFG];
-
-    switch (way) {
-    case 4:
-        return (tlbcfg >> 16) & 0x3;
-
-    case 5:
-        return (tlbcfg >> 20) & 0x1;
-
-    case 6:
-        return (tlbcfg >> 24) & 0x1;
-
-    default:
-        return 0;
-    }
-}
-
-/*!
- * Get bit mask for the virtual address bits translated by the TLB way
- */
-uint32_t xtensa_tlb_get_addr_mask(const CPUXtensaState *env, bool dtlb, uint32_t way)
-{
-    if (xtensa_option_enabled(env->config, XTENSA_OPTION_MMU)) {
-        bool varway56 = dtlb ?
-            env->config->dtlb.varway56 :
-            env->config->itlb.varway56;
-
-        switch (way) {
-        case 4:
-            return 0xfff00000 << get_page_size(env, dtlb, way) * 2;
-
-        case 5:
-            if (varway56) {
-                return 0xf8000000 << get_page_size(env, dtlb, way);
-            } else {
-                return 0xf8000000;
-            }
-
-        case 6:
-            if (varway56) {
-                return 0xf0000000 << (1 - get_page_size(env, dtlb, way));
-            } else {
-                return 0xf0000000;
-            }
-
-        default:
-            return 0xfffff000;
-        }
-    } else {
-        return REGION_PAGE_MASK;
-    }
-}
-
-/*!
- * Get bit mask for the 'VPN without index' field.
- * See ISA, 4.6.5.6, data format for RxTLB0
- */
-static uint32_t get_vpn_mask(const CPUXtensaState *env, bool dtlb, uint32_t way)
-{
-    if (way < 4) {
-        bool is32 = (dtlb ?
-                env->config->dtlb.nrefillentries :
-                env->config->itlb.nrefillentries) == 32;
-        return is32 ? 0xffff8000 : 0xffffc000;
-    } else if (way == 4) {
-        return xtensa_tlb_get_addr_mask(env, dtlb, way) << 2;
-    } else if (way <= 6) {
-        uint32_t mask = xtensa_tlb_get_addr_mask(env, dtlb, way);
-        bool varway56 = dtlb ?
-            env->config->dtlb.varway56 :
-            env->config->itlb.varway56;
-
-        if (varway56) {
-            return mask << (way == 5 ? 2 : 3);
-        } else {
-            return mask << 1;
-        }
-    } else {
-        return 0xfffff000;
-    }
-}
-
-/*!
- * Split virtual address into VPN (with index) and entry index
- * for the given TLB way
- */
-void split_tlb_entry_spec_way(const CPUXtensaState *env, uint32_t v, bool dtlb,
-        uint32_t *vpn, uint32_t wi, uint32_t *ei)
-{
-    bool varway56 = dtlb ?
-        env->config->dtlb.varway56 :
-        env->config->itlb.varway56;
-
-    if (!dtlb) {
-        wi &= 7;
-    }
-
-    if (wi < 4) {
-        bool is32 = (dtlb ?
-                env->config->dtlb.nrefillentries :
-                env->config->itlb.nrefillentries) == 32;
-        *ei = (v >> 12) & (is32 ? 0x7 : 0x3);
-    } else {
-        switch (wi) {
-        case 4:
-            {
-                uint32_t eibase = 20 + get_page_size(env, dtlb, wi) * 2;
-                *ei = (v >> eibase) & 0x3;
-            }
-            break;
-
-        case 5:
-            if (varway56) {
-                uint32_t eibase = 27 + get_page_size(env, dtlb, wi);
-                *ei = (v >> eibase) & 0x3;
-            } else {
-                *ei = (v >> 27) & 0x1;
-            }
-            break;
-
-        case 6:
-            if (varway56) {
-                uint32_t eibase = 29 - get_page_size(env, dtlb, wi);
-                *ei = (v >> eibase) & 0x7;
-            } else {
-                *ei = (v >> 28) & 0x1;
-            }
-            break;
-
-        default:
-            *ei = 0;
-            break;
-        }
-    }
-    *vpn = v & xtensa_tlb_get_addr_mask(env, dtlb, wi);
-}
-
-/*!
- * Split TLB address into TLB way, entry index and VPN (with index).
- * See ISA, 4.6.5.5 - 4.6.5.8 for the TLB addressing format
- */
-static void split_tlb_entry_spec(CPUXtensaState *env, uint32_t v, bool dtlb,
-        uint32_t *vpn, uint32_t *wi, uint32_t *ei)
-{
-    if (xtensa_option_enabled(env->config, XTENSA_OPTION_MMU)) {
-        *wi = v & (dtlb ? 0xf : 0x7);
-        split_tlb_entry_spec_way(env, v, dtlb, vpn, *wi, ei);
-    } else {
-        *vpn = v & REGION_PAGE_MASK;
-        *wi = 0;
-        *ei = (v >> 29) & 0x7;
-    }
-}
-
-static xtensa_tlb_entry *get_tlb_entry(CPUXtensaState *env,
-        uint32_t v, bool dtlb, uint32_t *pwi)
-{
-    uint32_t vpn;
-    uint32_t wi;
-    uint32_t ei;
-
-    split_tlb_entry_spec(env, v, dtlb, &vpn, &wi, &ei);
-    if (pwi) {
-        *pwi = wi;
-    }
-    return xtensa_tlb_get_entry(env, dtlb, wi, ei);
-}
-
-uint32_t HELPER(rtlb0)(CPUXtensaState *env, uint32_t v, uint32_t dtlb)
-{
-    if (xtensa_option_enabled(env->config, XTENSA_OPTION_MMU)) {
-        uint32_t wi;
-        const xtensa_tlb_entry *entry = get_tlb_entry(env, v, dtlb, &wi);
-        return (entry->vaddr & get_vpn_mask(env, dtlb, wi)) | entry->asid;
-    } else {
-        return v & REGION_PAGE_MASK;
-    }
-}
-
-uint32_t HELPER(rtlb1)(CPUXtensaState *env, uint32_t v, uint32_t dtlb)
-{
-    const xtensa_tlb_entry *entry = get_tlb_entry(env, v, dtlb, NULL);
-    return entry->paddr | entry->attr;
-}
-
-void HELPER(itlb)(CPUXtensaState *env, uint32_t v, uint32_t dtlb)
-{
-    if (xtensa_option_enabled(env->config, XTENSA_OPTION_MMU)) {
-        uint32_t wi;
-        xtensa_tlb_entry *entry = get_tlb_entry(env, v, dtlb, &wi);
-        if (entry->variable && entry->asid) {
-            tlb_flush_page(CPU(xtensa_env_get_cpu(env)), entry->vaddr);
-            entry->asid = 0;
-        }
-    }
-}
-
-uint32_t HELPER(ptlb)(CPUXtensaState *env, uint32_t v, uint32_t dtlb)
-{
-    if (xtensa_option_enabled(env->config, XTENSA_OPTION_MMU)) {
-        uint32_t wi;
-        uint32_t ei;
-        uint8_t ring;
-        int res = xtensa_tlb_lookup(env, v, dtlb, &wi, &ei, &ring);
-
-        switch (res) {
-        case 0:
-            if (ring >= xtensa_get_ring(env)) {
-                return (v & 0xfffff000) | wi | (dtlb ? 0x10 : 0x8);
-            }
-            break;
-
-        case INST_TLB_MULTI_HIT_CAUSE:
-        case LOAD_STORE_TLB_MULTI_HIT_CAUSE:
-            HELPER(exception_cause_vaddr)(env, env->pc, res, v);
-            break;
-        }
-        return 0;
-    } else {
-        return (v & REGION_PAGE_MASK) | 0x1;
-    }
-}
-
-void xtensa_tlb_set_entry_mmu(const CPUXtensaState *env,
-        xtensa_tlb_entry *entry, bool dtlb,
-        unsigned wi, unsigned ei, uint32_t vpn, uint32_t pte)
-{
-    entry->vaddr = vpn;
-    entry->paddr = pte & xtensa_tlb_get_addr_mask(env, dtlb, wi);
-    entry->asid = (env->sregs[RASID] >> ((pte >> 1) & 0x18)) & 0xff;
-    entry->attr = pte & 0xf;
-}
-
-void xtensa_tlb_set_entry(CPUXtensaState *env, bool dtlb,
-        unsigned wi, unsigned ei, uint32_t vpn, uint32_t pte)
-{
-    XtensaCPU *cpu = xtensa_env_get_cpu(env);
-    CPUState *cs = CPU(cpu);
-    xtensa_tlb_entry *entry = xtensa_tlb_get_entry(env, dtlb, wi, ei);
-
-    if (xtensa_option_enabled(env->config, XTENSA_OPTION_MMU)) {
-        if (entry->variable) {
-            if (entry->asid) {
-                tlb_flush_page(cs, entry->vaddr);
-            }
-            xtensa_tlb_set_entry_mmu(env, entry, dtlb, wi, ei, vpn, pte);
-            tlb_flush_page(cs, entry->vaddr);
-        } else {
-            qemu_log_mask(LOG_GUEST_ERROR, "%s %d, %d, %d trying to set immutable entry\n",
-                          __func__, dtlb, wi, ei);
-        }
-    } else {
-        tlb_flush_page(cs, entry->vaddr);
-        if (xtensa_option_enabled(env->config,
-                    XTENSA_OPTION_REGION_TRANSLATION)) {
-            entry->paddr = pte & REGION_PAGE_MASK;
-        }
-        entry->attr = pte & 0xf;
-    }
-}
-
-void HELPER(wtlb)(CPUXtensaState *env, uint32_t p, uint32_t v, uint32_t dtlb)
-{
-    uint32_t vpn;
-    uint32_t wi;
-    uint32_t ei;
-    split_tlb_entry_spec(env, v, dtlb, &vpn, &wi, &ei);
-    xtensa_tlb_set_entry(env, dtlb, wi, ei, vpn, p);
-}
-
-
-void HELPER(wsr_ibreakenable)(CPUXtensaState *env, uint32_t v)
-{
-    uint32_t change = v ^ env->sregs[IBREAKENABLE];
-    unsigned i;
-
-    for (i = 0; i < env->config->nibreak; ++i) {
-        if (change & (1 << i)) {
-            tb_invalidate_virtual_addr(env, env->sregs[IBREAKA + i]);
-        }
-    }
-    env->sregs[IBREAKENABLE] = v & ((1 << env->config->nibreak) - 1);
-}
-
-void HELPER(wsr_ibreaka)(CPUXtensaState *env, uint32_t i, uint32_t v)
-{
-    if (env->sregs[IBREAKENABLE] & (1 << i) && env->sregs[IBREAKA + i] != v) {
-        tb_invalidate_virtual_addr(env, env->sregs[IBREAKA + i]);
-        tb_invalidate_virtual_addr(env, v);
-    }
-    env->sregs[IBREAKA + i] = v;
-}
-
-static void set_dbreak(CPUXtensaState *env, unsigned i, uint32_t dbreaka,
-        uint32_t dbreakc)
-{
-    CPUState *cs = CPU(xtensa_env_get_cpu(env));
-    int flags = BP_CPU | BP_STOP_BEFORE_ACCESS;
-    uint32_t mask = dbreakc | ~DBREAKC_MASK;
-
-    if (env->cpu_watchpoint[i]) {
-        cpu_watchpoint_remove_by_ref(cs, env->cpu_watchpoint[i]);
-    }
-    if (dbreakc & DBREAKC_SB) {
-        flags |= BP_MEM_WRITE;
-    }
-    if (dbreakc & DBREAKC_LB) {
-        flags |= BP_MEM_READ;
-    }
-    /* contiguous mask after inversion is one less than some power of 2 */
-    if ((~mask + 1) & ~mask) {
-        qemu_log_mask(LOG_GUEST_ERROR, "DBREAKC mask is not contiguous: 0x%08x\n", dbreakc);
-        /* cut mask after the first zero bit */
-        mask = 0xffffffff << (32 - clo32(mask));
-    }
-    if (cpu_watchpoint_insert(cs, dbreaka & mask, ~mask + 1,
-            flags, &env->cpu_watchpoint[i])) {
-        env->cpu_watchpoint[i] = NULL;
-        qemu_log_mask(LOG_GUEST_ERROR, "Failed to set data breakpoint at 0x%08x/%d\n",
-                      dbreaka & mask, ~mask + 1);
-    }
-}
-
-void HELPER(wsr_dbreaka)(CPUXtensaState *env, uint32_t i, uint32_t v)
-{
-    uint32_t dbreakc = env->sregs[DBREAKC + i];
-
-    if ((dbreakc & DBREAKC_SB_LB) &&
-            env->sregs[DBREAKA + i] != v) {
-        set_dbreak(env, i, v, dbreakc);
-    }
-    env->sregs[DBREAKA + i] = v;
-}
-
-void HELPER(wsr_dbreakc)(CPUXtensaState *env, uint32_t i, uint32_t v)
-{
-    if ((env->sregs[DBREAKC + i] ^ v) & (DBREAKC_SB_LB | DBREAKC_MASK)) {
-        if (v & DBREAKC_SB_LB) {
-            set_dbreak(env, i, env->sregs[DBREAKA + i], v);
-        } else {
-            if (env->cpu_watchpoint[i]) {
-                CPUState *cs = CPU(xtensa_env_get_cpu(env));
-
-                cpu_watchpoint_remove_by_ref(cs, env->cpu_watchpoint[i]);
-                env->cpu_watchpoint[i] = NULL;
-            }
-        }
-    }
-    env->sregs[DBREAKC + i] = v;
-}
-
-void HELPER(wur_fcr)(CPUXtensaState *env, uint32_t v)
-{
-    static const int rounding_mode[] = {
-        float_round_nearest_even,
-        float_round_to_zero,
-        float_round_up,
-        float_round_down,
-    };
-
-    env->uregs[FCR] = v & 0xfffff07f;
-    set_float_rounding_mode(rounding_mode[v & 3], &env->fp_status);
-}
-
-float32 HELPER(abs_s)(float32 v)
-{
-    return float32_abs(v);
-}
-
-float32 HELPER(neg_s)(float32 v)
-{
-    return float32_chs(v);
-}
-
-float32 HELPER(add_s)(CPUXtensaState *env, float32 a, float32 b)
-{
-    return float32_add(a, b, &env->fp_status);
-}
-
-float32 HELPER(sub_s)(CPUXtensaState *env, float32 a, float32 b)
-{
-    return float32_sub(a, b, &env->fp_status);
-}
-
-float32 HELPER(mul_s)(CPUXtensaState *env, float32 a, float32 b)
-{
-    return float32_mul(a, b, &env->fp_status);
-}
-
-float32 HELPER(madd_s)(CPUXtensaState *env, float32 a, float32 b, float32 c)
-{
-    return float32_muladd(b, c, a, 0,
-            &env->fp_status);
-}
-
-float32 HELPER(msub_s)(CPUXtensaState *env, float32 a, float32 b, float32 c)
-{
-    return float32_muladd(b, c, a, float_muladd_negate_product,
-            &env->fp_status);
-}
-
-uint32_t HELPER(ftoi)(float32 v, uint32_t rounding_mode, uint32_t scale)
-{
-    float_status fp_status = {0};
-
-    set_float_rounding_mode(rounding_mode, &fp_status);
-    return float32_to_int32(
-            float32_scalbn(v, scale, &fp_status), &fp_status);
-}
-
-uint32_t HELPER(ftoui)(float32 v, uint32_t rounding_mode, uint32_t scale)
-{
-    float_status fp_status = {0};
-    float32 res;
-
-    set_float_rounding_mode(rounding_mode, &fp_status);
-
-    res = float32_scalbn(v, scale, &fp_status);
-
-    if (float32_is_neg(v) && !float32_is_any_nan(v)) {
-        return float32_to_int32(res, &fp_status);
-    } else {
-        return float32_to_uint32(res, &fp_status);
-    }
-}
-
-float32 HELPER(itof)(CPUXtensaState *env, uint32_t v, uint32_t scale)
-{
-    return float32_scalbn(int32_to_float32(v, &env->fp_status),
-            (int32_t)scale, &env->fp_status);
-}
-
-float32 HELPER(uitof)(CPUXtensaState *env, uint32_t v, uint32_t scale)
-{
-    return float32_scalbn(uint32_to_float32(v, &env->fp_status),
-            (int32_t)scale, &env->fp_status);
-}
-
-static inline void set_br(CPUXtensaState *env, bool v, uint32_t br)
-{
-    if (v) {
-        env->sregs[BR] |= br;
-    } else {
-        env->sregs[BR] &= ~br;
-    }
-}
-
-void HELPER(un_s)(CPUXtensaState *env, uint32_t br, float32 a, float32 b)
-{
-    set_br(env, float32_unordered_quiet(a, b, &env->fp_status), br);
-}
-
-void HELPER(oeq_s)(CPUXtensaState *env, uint32_t br, float32 a, float32 b)
-{
-    set_br(env, float32_eq_quiet(a, b, &env->fp_status), br);
-}
-
-void HELPER(ueq_s)(CPUXtensaState *env, uint32_t br, float32 a, float32 b)
-{
-    int v = float32_compare_quiet(a, b, &env->fp_status);
-    set_br(env, v == float_relation_equal || v == float_relation_unordered, br);
-}
-
-void HELPER(olt_s)(CPUXtensaState *env, uint32_t br, float32 a, float32 b)
-{
-    set_br(env, float32_lt_quiet(a, b, &env->fp_status), br);
-}
-
-void HELPER(ult_s)(CPUXtensaState *env, uint32_t br, float32 a, float32 b)
-{
-    int v = float32_compare_quiet(a, b, &env->fp_status);
-    set_br(env, v == float_relation_less || v == float_relation_unordered, br);
-}
-
-void HELPER(ole_s)(CPUXtensaState *env, uint32_t br, float32 a, float32 b)
-{
-    set_br(env, float32_le_quiet(a, b, &env->fp_status), br);
-}
-
-void HELPER(ule_s)(CPUXtensaState *env, uint32_t br, float32 a, float32 b)
-{
-    int v = float32_compare_quiet(a, b, &env->fp_status);
-    set_br(env, v != float_relation_greater, br);
-}