29 files changed, 62 insertions, 50 deletions

diff --git a/qom/cpu.c b/qom/cpu.c
index 03d9190f8c..cc51de2a8c 100644
--- a/qom/cpu.c
+++ b/qom/cpu.c
@@ -273,6 +273,10 @@ static void cpu_common_reset(CPUState *cpu)
     for (i = 0; i < TB_JMP_CACHE_SIZE; ++i) {
         atomic_set(&cpu->tb_jmp_cache[i], NULL);
     }
+
+#ifdef CONFIG_SOFTMMU
+    tlb_flush(cpu, 0);
+#endif
 }
 
 static bool cpu_common_has_work(CPUState *cs)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index f5cb30af6c..91046111d9 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -122,7 +122,8 @@ static void arm_cpu_reset(CPUState *s)
 
     acc->parent_reset(s);
 
-    memset(env, 0, offsetof(CPUARMState, features));
+    memset(env, 0, offsetof(CPUARMState, end_reset_fields));
+
     g_hash_table_foreach(cpu->cp_regs, cp_reg_reset, cpu);
     g_hash_table_foreach(cpu->cp_regs, cp_reg_check_reset, cpu);
 
@@ -226,8 +227,6 @@ static void arm_cpu_reset(CPUState *s)
                               &env->vfp.fp_status);
     set_float_detect_tininess(float_tininess_before_rounding,
                               &env->vfp.standard_fp_status);
-    tlb_flush(s, 1);
-
 #ifndef CONFIG_USER_ONLY
     if (kvm_enabled()) {
         kvm_arm_reset_vcpu(cpu);
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index ab119e62ab..7bd16eec18 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -491,9 +491,12 @@ typedef struct CPUARMState {
     struct CPUBreakpoint *cpu_breakpoint[16];
     struct CPUWatchpoint *cpu_watchpoint[16];
 
+    /* Fields up to this point are cleared by a CPU reset */
+    struct {} end_reset_fields;
+
     CPU_COMMON
 
-    /* These fields after the common ones so they are preserved on reset.  */
+    /* Fields after CPU_COMMON are preserved across CPU reset. */
 
     /* Internal CPU feature flags.  */
     uint64_t features;
diff --git a/target/cris/cpu.c b/target/cris/cpu.c
index 2e9ab9700e..5f766f09d6 100644
--- a/target/cris/cpu.c
+++ b/target/cris/cpu.c
@@ -52,9 +52,8 @@ static void cris_cpu_reset(CPUState *s)
     ccc->parent_reset(s);
 
     vr = env->pregs[PR_VR];
-    memset(env, 0, offsetof(CPUCRISState, load_info));
+    memset(env, 0, offsetof(CPUCRISState, end_reset_fields));
     env->pregs[PR_VR] = vr;
-    tlb_flush(s, 1);
 
 #if defined(CONFIG_USER_ONLY)
     /* start in user mode with interrupts enabled.  */
diff --git a/target/cris/cpu.h b/target/cris/cpu.h
index 43d5f9d1da..920e1c33ba 100644
--- a/target/cris/cpu.h
+++ b/target/cris/cpu.h
@@ -167,10 +167,13 @@ typedef struct CPUCRISState {
 	 */
         TLBSet tlbsets[2][4][16];
 
-	CPU_COMMON
+        /* Fields up to this point are cleared by a CPU reset */
+        struct {} end_reset_fields;
 
-    /* Members from load_info on are preserved across resets.  */
-    void *load_info;
+        CPU_COMMON
+
+        /* Members from load_info on are preserved across resets.  */
+        void *load_info;
 } CPUCRISState;
 
 /**
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index b0640f1e38..b76e1d8cb9 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -2819,8 +2819,6 @@ static void x86_cpu_reset(CPUState *s)
 
     memset(env, 0, offsetof(CPUX86State, end_reset_fields));
 
-    tlb_flush(s, 1);
-
     env->old_exception = -1;
 
     /* init to reset state */
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index a04e46b166..6c1902b36e 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -1123,10 +1123,12 @@ typedef struct CPUX86State {
     uint8_t nmi_injected;
     uint8_t nmi_pending;
 
+    /* Fields up to this point are cleared by a CPU reset */
+    struct {} end_reset_fields;
+
     CPU_COMMON
 
-    /* Fields from here on are preserved across CPU reset. */
-    struct {} end_reset_fields;
+    /* Fields after CPU_COMMON are preserved across CPU reset. */
 
     /* processor features (e.g. for CPUID insn) */
     /* Minimum level/xlevel/xlevel2, based on CPU model + features */
diff --git a/target/lm32/cpu.c b/target/lm32/cpu.c
index 8d939a7779..2b8c36b6d0 100644
--- a/target/lm32/cpu.c
+++ b/target/lm32/cpu.c
@@ -128,10 +128,9 @@ static void lm32_cpu_reset(CPUState *s)
     lcc->parent_reset(s);
 
     /* reset cpu state */
-    memset(env, 0, offsetof(CPULM32State, eba));
+    memset(env, 0, offsetof(CPULM32State, end_reset_fields));
 
     lm32_cpu_init_cfg_reg(cpu);
-    tlb_flush(s, 1);
 }
 
 static void lm32_cpu_disas_set_info(CPUState *cpu, disassemble_info *info)
diff --git a/target/lm32/cpu.h b/target/lm32/cpu.h
index d8a3515244..1d972cb26b 100644
--- a/target/lm32/cpu.h
+++ b/target/lm32/cpu.h
@@ -165,6 +165,9 @@ struct CPULM32State {
     struct CPUBreakpoint *cpu_breakpoint[4];
     struct CPUWatchpoint *cpu_watchpoint[4];
 
+    /* Fields up to this point are cleared by a CPU reset */
+    struct {} end_reset_fields;
+
     CPU_COMMON
 
     /* Fields from here on are preserved across CPU reset. */
diff --git a/target/m68k/cpu.c b/target/m68k/cpu.c
index ba17480098..fa10b6e4cd 100644
--- a/target/m68k/cpu.c
+++ b/target/m68k/cpu.c
@@ -52,7 +52,7 @@ static void m68k_cpu_reset(CPUState *s)
 
     mcc->parent_reset(s);
 
-    memset(env, 0, offsetof(CPUM68KState, features));
+    memset(env, 0, offsetof(CPUM68KState, end_reset_fields));
 #if !defined(CONFIG_USER_ONLY)
     env->sr = 0x2700;
 #endif
@@ -61,7 +61,6 @@ static void m68k_cpu_reset(CPUState *s)
     cpu_m68k_set_ccr(env, 0);
     /* TODO: We should set PC from the interrupt vector.  */
     env->pc = 0;
-    tlb_flush(s, 1);
 }
 
 static void m68k_cpu_disas_set_info(CPUState *s, disassemble_info *info)
diff --git a/target/m68k/cpu.h b/target/m68k/cpu.h
index 0b4ed7b8a6..aeac95daa3 100644
--- a/target/m68k/cpu.h
+++ b/target/m68k/cpu.h
@@ -111,6 +111,9 @@ typedef struct CPUM68KState {
 
     uint32_t qregs[MAX_QREGS];
 
+    /* Fields up to this point are cleared by a CPU reset */
+    struct {} end_reset_fields;
+
     CPU_COMMON
 
     /* Fields from here on are preserved across CPU reset. */
diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c
index 389c7b691e..3d58869716 100644
--- a/target/microblaze/cpu.c
+++ b/target/microblaze/cpu.c
@@ -103,9 +103,8 @@ static void mb_cpu_reset(CPUState *s)
 
     mcc->parent_reset(s);
 
-    memset(env, 0, offsetof(CPUMBState, pvr));
+    memset(env, 0, offsetof(CPUMBState, end_reset_fields));
     env->res_addr = RES_ADDR_NONE;
-    tlb_flush(s, 1);
 
     /* Disable stack protector.  */
     env->shr = ~0;
diff --git a/target/microblaze/cpu.h b/target/microblaze/cpu.h
index beb75ffd26..bf6963bcb7 100644
--- a/target/microblaze/cpu.h
+++ b/target/microblaze/cpu.h
@@ -267,6 +267,9 @@ struct CPUMBState {
     struct microblaze_mmu mmu;
 #endif
 
+    /* Fields up to this point are cleared by a CPU reset */
+    struct {} end_reset_fields;
+
     CPU_COMMON
 
     /* These fields are preserved on reset.  */
diff --git a/target/mips/cpu.c b/target/mips/cpu.c
index 65ca607f88..1bb66b7a5a 100644
--- a/target/mips/cpu.c
+++ b/target/mips/cpu.c
@@ -100,8 +100,7 @@ static void mips_cpu_reset(CPUState *s)
 
     mcc->parent_reset(s);
 
-    memset(env, 0, offsetof(CPUMIPSState, mvp));
-    tlb_flush(s, 1);
+    memset(env, 0, offsetof(CPUMIPSState, end_reset_fields));
 
     cpu_state_reset(env);
 
diff --git a/target/mips/cpu.h b/target/mips/cpu.h
index 5182dc74ff..3146a6017d 100644
--- a/target/mips/cpu.h
+++ b/target/mips/cpu.h
@@ -607,6 +607,9 @@ struct CPUMIPSState {
     uint32_t CP0_TCStatus_rw_bitmask; /* Read/write bits in CP0_TCStatus */
     int insn_flags; /* Supported instruction set */
 
+    /* Fields up to this point are cleared by a CPU reset */
+    struct {} end_reset_fields;
+
     CPU_COMMON
 
     /* Fields from here on are preserved across CPU reset. */
diff --git a/target/moxie/cpu.c b/target/moxie/cpu.c
index b0be4a7551..927b1a1e44 100644
--- a/target/moxie/cpu.c
+++ b/target/moxie/cpu.c
@@ -45,10 +45,8 @@ static void moxie_cpu_reset(CPUState *s)
 
     mcc->parent_reset(s);
 
-    memset(env, 0, sizeof(CPUMoxieState));
+    memset(env, 0, offsetof(CPUMoxieState, end_reset_fields));
     env->pc = 0x1000;
-
-    tlb_flush(s, 1);
 }
 
 static void moxie_cpu_disas_set_info(CPUState *cpu, disassemble_info *info)
diff --git a/target/moxie/cpu.h b/target/moxie/cpu.h
index 3e880facf4..8991aaef9a 100644
--- a/target/moxie/cpu.h
+++ b/target/moxie/cpu.h
@@ -56,6 +56,9 @@ typedef struct CPUMoxieState {
 
     void *irq[8];
 
+    /* Fields up to this point are cleared by a CPU reset */
+    struct {} end_reset_fields;
+
     CPU_COMMON
 
 } CPUMoxieState;
diff --git a/target/openrisc/cpu.c b/target/openrisc/cpu.c
index 698e87bb25..422139d29f 100644
--- a/target/openrisc/cpu.c
+++ b/target/openrisc/cpu.c
@@ -44,14 +44,7 @@ static void openrisc_cpu_reset(CPUState *s)
 
     occ->parent_reset(s);
 
-#ifndef CONFIG_USER_ONLY
-    memset(&cpu->env, 0, offsetof(CPUOpenRISCState, tlb));
-#else
-    memset(&cpu->env, 0, offsetof(CPUOpenRISCState, irq));
-#endif
-
-    tlb_flush(s, 1);
-    /*tb_flush(&cpu->env);    FIXME: Do we need it?  */
+    memset(&cpu->env, 0, offsetof(CPUOpenRISCState, end_reset_fields));
 
     cpu->env.pc = 0x100;
     cpu->env.sr = SR_FO | SR_SM;
diff --git a/target/openrisc/cpu.h b/target/openrisc/cpu.h
index aaf153579a..508ef568b4 100644
--- a/target/openrisc/cpu.h
+++ b/target/openrisc/cpu.h
@@ -300,6 +300,9 @@ typedef struct CPUOpenRISCState {
                                  in solt so far.  */
     uint32_t btaken;          /* the SR_F bit */
 
+    /* Fields up to this point are cleared by a CPU reset */
+    struct {} end_reset_fields;
+
     CPU_COMMON
 
     /* Fields from here on are preserved across CPU reset. */
diff --git a/target/ppc/translate_init.c b/target/ppc/translate_init.c
index 626e03186c..4ff987226e 100644
--- a/target/ppc/translate_init.c
+++ b/target/ppc/translate_init.c
@@ -10415,9 +10415,6 @@ static void ppc_cpu_reset(CPUState *s)
         }
         env->spr[i] = spr->default_value;
     }
-
-    /* Flush all TLBs */
-    tlb_flush(s, 1);
 }
 
 #ifndef CONFIG_USER_ONLY
diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
index 0a39d31237..066dcd17df 100644
--- a/target/s390x/cpu.c
+++ b/target/s390x/cpu.c
@@ -82,7 +82,6 @@ static void s390_cpu_reset(CPUState *s)
     scc->parent_reset(s);
     cpu->env.sigp_order = 0;
     s390_cpu_set_state(CPU_STATE_STOPPED, cpu);
-    tlb_flush(s, 1);
 }
 
 /* S390CPUClass::initial_reset() */
@@ -94,7 +93,7 @@ static void s390_cpu_initial_reset(CPUState *s)
 
     s390_cpu_reset(s);
     /* initial reset does not touch regs,fregs and aregs */
-    memset(&env->fpc, 0, offsetof(CPUS390XState, cpu_num) -
+    memset(&env->fpc, 0, offsetof(CPUS390XState, end_reset_fields) -
                          offsetof(CPUS390XState, fpc));
 
     /* architectured initial values for CR 0 and 14 */
@@ -118,7 +117,6 @@ static void s390_cpu_initial_reset(CPUState *s)
     if (kvm_enabled()) {
         kvm_s390_reset_vcpu(cpu);
     }
-    tlb_flush(s, 1);
 }
 
 /* CPUClass:reset() */
@@ -133,7 +131,7 @@ static void s390_cpu_full_reset(CPUState *s)
     cpu->env.sigp_order = 0;
     s390_cpu_set_state(CPU_STATE_STOPPED, cpu);
 
-    memset(env, 0, offsetof(CPUS390XState, cpu_num));
+    memset(env, 0, offsetof(CPUS390XState, end_reset_fields));
 
     /* architectured initial values for CR 0 and 14 */
     env->cregs[0] = CR0_RESET;
@@ -156,7 +154,6 @@ static void s390_cpu_full_reset(CPUState *s)
     if (kvm_enabled()) {
         kvm_s390_reset_vcpu(cpu);
     }
-    tlb_flush(s, 1);
 }
 
 #if !defined(CONFIG_USER_ONLY)
diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h
index fd36a25cf5..058ddad83a 100644
--- a/target/s390x/cpu.h
+++ b/target/s390x/cpu.h
@@ -139,9 +139,10 @@ typedef struct CPUS390XState {
 
     uint8_t riccb[64];
 
-    CPU_COMMON
+    /* Fields up to this point are cleared by a CPU reset */
+    struct {} end_reset_fields;
 
-    /* reset does memset(0) up to here */
+    CPU_COMMON
 
     uint32_t cpu_num;
     uint32_t machine_type;
diff --git a/target/sh4/cpu.c b/target/sh4/cpu.c
index a38f6a6ded..9a481c35dc 100644
--- a/target/sh4/cpu.c
+++ b/target/sh4/cpu.c
@@ -56,8 +56,7 @@ static void superh_cpu_reset(CPUState *s)
 
     scc->parent_reset(s);
 
-    memset(env, 0, offsetof(CPUSH4State, id));
-    tlb_flush(s, 1);
+    memset(env, 0, offsetof(CPUSH4State, end_reset_fields));
 
     env->pc = 0xA0000000;
 #if defined(CONFIG_USER_ONLY)
diff --git a/target/sh4/cpu.h b/target/sh4/cpu.h
index 478ab55868..cad8989f7e 100644
--- a/target/sh4/cpu.h
+++ b/target/sh4/cpu.h
@@ -175,6 +175,9 @@ typedef struct CPUSH4State {
 
     uint32_t ldst;
 
+    /* Fields up to this point are cleared by a CPU reset */
+    struct {} end_reset_fields;
+
     CPU_COMMON
 
     /* Fields from here on are preserved over CPU reset. */
diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c
index 4e07b92fbd..d6583f1c2a 100644
--- a/target/sparc/cpu.c
+++ b/target/sparc/cpu.c
@@ -36,8 +36,7 @@ static void sparc_cpu_reset(CPUState *s)
 
     scc->parent_reset(s);
 
-    memset(env, 0, offsetof(CPUSPARCState, version));
-    tlb_flush(s, 1);
+    memset(env, 0, offsetof(CPUSPARCState, end_reset_fields));
     env->cwp = 0;
 #ifndef TARGET_SPARC64
     env->wim = 1;
diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h
index 5fb0ed1aad..601c018a05 100644
--- a/target/sparc/cpu.h
+++ b/target/sparc/cpu.h
@@ -419,6 +419,9 @@ struct CPUSPARCState {
     /* NOTE: we allow 8 more registers to handle wrapping */
     target_ulong regbase[MAX_NWINDOWS * 16 + 8];
 
+    /* Fields up to this point are cleared by a CPU reset */
+    struct {} end_reset_fields;
+
     CPU_COMMON
 
     /* Fields from here on are preserved across CPU reset. */
diff --git a/target/tilegx/cpu.c b/target/tilegx/cpu.c
index 454793f94a..d90e38e88c 100644
--- a/target/tilegx/cpu.c
+++ b/target/tilegx/cpu.c
@@ -84,8 +84,7 @@ static void tilegx_cpu_reset(CPUState *s)
 
     tcc->parent_reset(s);
 
-    memset(env, 0, sizeof(CPUTLGState));
-    tlb_flush(s, 1);
+    memset(env, 0, offsetof(CPUTLGState, end_reset_fields));
 }
 
 static void tilegx_cpu_realizefn(DeviceState *dev, Error **errp)
diff --git a/target/tilegx/cpu.h b/target/tilegx/cpu.h
index 1735427233..f32be49f65 100644
--- a/target/tilegx/cpu.h
+++ b/target/tilegx/cpu.h
@@ -97,6 +97,9 @@ typedef struct CPUTLGState {
     uint32_t sigcode;                  /* Signal code */
 #endif
 
+    /* Fields up to this point are cleared by a CPU reset */
+    struct {} end_reset_fields;
+
     CPU_COMMON
 } CPUTLGState;
 
diff --git a/target/tricore/cpu.c b/target/tricore/cpu.c
index 785b76bd3a..08f50e2ba7 100644
--- a/target/tricore/cpu.c
+++ b/target/tricore/cpu.c
@@ -53,8 +53,6 @@ static void tricore_cpu_reset(CPUState *s)
 
     tcc->parent_reset(s);
 
-    tlb_flush(s, 1);
-
     cpu_state_reset(env);
 }