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-rw-r--r--target/alpha/helper.c2
-rw-r--r--target/alpha/mem_helper.c2
-rw-r--r--target/arm/op_helper.c2
-rw-r--r--target/arm/tlb_helper.c8
-rw-r--r--target/cris/helper.c2
-rw-r--r--target/i386/helper.c25
-rw-r--r--target/i386/helper.h5
-rw-r--r--target/i386/tcg/cc_helper.c41
-rw-r--r--target/i386/tcg/sysemu/svm_helper.c2
-rw-r--r--target/i386/tcg/translate.c30
-rw-r--r--target/m68k/op_helper.c4
-rw-r--r--target/microblaze/helper.c2
-rw-r--r--target/nios2/op_helper.c2
-rw-r--r--target/openrisc/sys_helper.c17
-rw-r--r--target/ppc/excp_helper.c2
-rw-r--r--target/s390x/tcg/excp_helper.c2
-rw-r--r--target/tricore/op_helper.c2
-rw-r--r--target/xtensa/helper.c6
18 files changed, 79 insertions, 77 deletions
diff --git a/target/alpha/helper.c b/target/alpha/helper.c
index a5a389b5a3..970c869771 100644
--- a/target/alpha/helper.c
+++ b/target/alpha/helper.c
@@ -532,7 +532,7 @@ G_NORETURN void dynamic_excp(CPUAlphaState *env, uintptr_t retaddr,
cs->exception_index = excp;
env->error_code = error;
if (retaddr) {
- cpu_restore_state(cs, retaddr, true);
+ cpu_restore_state(cs, retaddr);
/* Floating-point exceptions (our only users) point to the next PC. */
env->pc += 4;
}
diff --git a/target/alpha/mem_helper.c b/target/alpha/mem_helper.c
index 47283a0612..a39b52c5dd 100644
--- a/target/alpha/mem_helper.c
+++ b/target/alpha/mem_helper.c
@@ -28,7 +28,7 @@ static void do_unaligned_access(CPUAlphaState *env, vaddr addr, uintptr_t retadd
uint64_t pc;
uint32_t insn;
- cpu_restore_state(env_cpu(env), retaddr, true);
+ cpu_restore_state(env_cpu(env), retaddr);
pc = env->pc;
insn = cpu_ldl_code(env, pc);
diff --git a/target/arm/op_helper.c b/target/arm/op_helper.c
index c5bde1cfcc..70672bcd9f 100644
--- a/target/arm/op_helper.c
+++ b/target/arm/op_helper.c
@@ -78,7 +78,7 @@ void raise_exception_ra(CPUARMState *env, uint32_t excp, uint32_t syndrome,
* we must restore CPU state here before setting the syndrome
* the caller passed us, and cannot use cpu_loop_exit_restore().
*/
- cpu_restore_state(cs, ra, true);
+ cpu_restore_state(cs, ra);
raise_exception(env, excp, syndrome, target_el);
}
diff --git a/target/arm/tlb_helper.c b/target/arm/tlb_helper.c
index 69b0dc69df..0f4f4fc809 100644
--- a/target/arm/tlb_helper.c
+++ b/target/arm/tlb_helper.c
@@ -156,7 +156,7 @@ void arm_cpu_do_unaligned_access(CPUState *cs, vaddr vaddr,
ARMMMUFaultInfo fi = {};
/* now we have a real cpu fault */
- cpu_restore_state(cs, retaddr, true);
+ cpu_restore_state(cs, retaddr);
fi.type = ARMFault_Alignment;
arm_deliver_fault(cpu, vaddr, access_type, mmu_idx, &fi);
@@ -196,7 +196,7 @@ void arm_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
ARMMMUFaultInfo fi = {};
/* now we have a real cpu fault */
- cpu_restore_state(cs, retaddr, true);
+ cpu_restore_state(cs, retaddr);
fi.ea = arm_extabort_type(response);
fi.type = ARMFault_SyncExternal;
@@ -252,7 +252,7 @@ bool arm_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
return false;
} else {
/* now we have a real cpu fault */
- cpu_restore_state(cs, retaddr, true);
+ cpu_restore_state(cs, retaddr);
arm_deliver_fault(cpu, address, access_type, mmu_idx, fi);
}
}
@@ -271,7 +271,7 @@ void arm_cpu_record_sigsegv(CPUState *cs, vaddr addr,
* We report both ESR and FAR to signal handlers.
* For now, it's easiest to deliver the fault normally.
*/
- cpu_restore_state(cs, ra, true);
+ cpu_restore_state(cs, ra);
arm_deliver_fault(cpu, addr, access_type, MMU_USER_IDX, &fi);
}
diff --git a/target/cris/helper.c b/target/cris/helper.c
index 91e4aeb178..81a72699b5 100644
--- a/target/cris/helper.c
+++ b/target/cris/helper.c
@@ -87,7 +87,7 @@ bool cris_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
cs->exception_index = EXCP_BUSFAULT;
env->fault_vector = res.bf_vec;
if (retaddr) {
- if (cpu_restore_state(cs, retaddr, true)) {
+ if (cpu_restore_state(cs, retaddr)) {
/* Evaluate flags after retranslation. */
helper_top_evaluate_flags(env);
}
diff --git a/target/i386/helper.c b/target/i386/helper.c
index b62a1e48e2..0ac2da066d 100644
--- a/target/i386/helper.c
+++ b/target/i386/helper.c
@@ -509,6 +509,27 @@ void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank,
}
}
+static inline target_ulong get_memio_eip(CPUX86State *env)
+{
+#ifdef CONFIG_TCG
+ uint64_t data[TARGET_INSN_START_WORDS];
+ CPUState *cs = env_cpu(env);
+
+ if (!cpu_unwind_state_data(cs, cs->mem_io_pc, data)) {
+ return env->eip;
+ }
+
+ /* Per x86_restore_state_to_opc. */
+ if (TARGET_TB_PCREL) {
+ return (env->eip & TARGET_PAGE_MASK) | data[0];
+ } else {
+ return data[0] - env->segs[R_CS].base;
+ }
+#else
+ qemu_build_not_reached();
+#endif
+}
+
void cpu_report_tpr_access(CPUX86State *env, TPRAccess access)
{
X86CPU *cpu = env_archcpu(env);
@@ -519,9 +540,9 @@ void cpu_report_tpr_access(CPUX86State *env, TPRAccess access)
cpu_interrupt(cs, CPU_INTERRUPT_TPR);
} else if (tcg_enabled()) {
- cpu_restore_state(cs, cs->mem_io_pc, false);
+ target_ulong eip = get_memio_eip(env);
- apic_handle_tpr_access_report(cpu->apic_state, env->eip, access);
+ apic_handle_tpr_access_report(cpu->apic_state, eip, access);
}
}
#endif /* !CONFIG_USER_ONLY */
diff --git a/target/i386/helper.h b/target/i386/helper.h
index 88143b2a24..b7de5429ef 100644
--- a/target/i386/helper.h
+++ b/target/i386/helper.h
@@ -56,13 +56,8 @@ DEF_HELPER_2(syscall, void, env, int)
DEF_HELPER_2(sysret, void, env, int)
#endif
DEF_HELPER_FLAGS_2(pause, TCG_CALL_NO_WG, noreturn, env, int)
-DEF_HELPER_1(reset_rf, void, env)
DEF_HELPER_FLAGS_3(raise_interrupt, TCG_CALL_NO_WG, noreturn, env, int, int)
DEF_HELPER_FLAGS_2(raise_exception, TCG_CALL_NO_WG, noreturn, env, int)
-DEF_HELPER_1(cli, void, env)
-DEF_HELPER_1(sti, void, env)
-DEF_HELPER_1(clac, void, env)
-DEF_HELPER_1(stac, void, env)
DEF_HELPER_3(boundw, void, env, tl, int)
DEF_HELPER_3(boundl, void, env, tl, int)
diff --git a/target/i386/tcg/cc_helper.c b/target/i386/tcg/cc_helper.c
index cc7ea9e8b9..6227dbb30b 100644
--- a/target/i386/tcg/cc_helper.c
+++ b/target/i386/tcg/cc_helper.c
@@ -346,44 +346,3 @@ void helper_clts(CPUX86State *env)
env->cr[0] &= ~CR0_TS_MASK;
env->hflags &= ~HF_TS_MASK;
}
-
-void helper_reset_rf(CPUX86State *env)
-{
- env->eflags &= ~RF_MASK;
-}
-
-void helper_cli(CPUX86State *env)
-{
- env->eflags &= ~IF_MASK;
-}
-
-void helper_sti(CPUX86State *env)
-{
- env->eflags |= IF_MASK;
-}
-
-void helper_clac(CPUX86State *env)
-{
- env->eflags &= ~AC_MASK;
-}
-
-void helper_stac(CPUX86State *env)
-{
- env->eflags |= AC_MASK;
-}
-
-#if 0
-/* vm86plus instructions */
-void helper_cli_vm(CPUX86State *env)
-{
- env->eflags &= ~VIF_MASK;
-}
-
-void helper_sti_vm(CPUX86State *env)
-{
- env->eflags |= VIF_MASK;
- if (env->eflags & VIP_MASK) {
- raise_exception_ra(env, EXCP0D_GPF, GETPC());
- }
-}
-#endif
diff --git a/target/i386/tcg/sysemu/svm_helper.c b/target/i386/tcg/sysemu/svm_helper.c
index 8e88567399..2d27731b60 100644
--- a/target/i386/tcg/sysemu/svm_helper.c
+++ b/target/i386/tcg/sysemu/svm_helper.c
@@ -704,7 +704,7 @@ void cpu_vmexit(CPUX86State *env, uint32_t exit_code, uint64_t exit_info_1,
{
CPUState *cs = env_cpu(env);
- cpu_restore_state(cs, retaddr, true);
+ cpu_restore_state(cs, retaddr);
qemu_log_mask(CPU_LOG_TB_IN_ASM, "vmexit(%08x, %016" PRIx64 ", %016"
PRIx64 ", " TARGET_FMT_lx ")!\n",
diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
index 546c427c23..0ee548ce56 100644
--- a/target/i386/tcg/translate.c
+++ b/target/i386/tcg/translate.c
@@ -2746,6 +2746,26 @@ static void gen_reset_hflag(DisasContext *s, uint32_t mask)
}
}
+static void gen_set_eflags(DisasContext *s, target_ulong mask)
+{
+ TCGv t = tcg_temp_new();
+
+ tcg_gen_ld_tl(t, cpu_env, offsetof(CPUX86State, eflags));
+ tcg_gen_ori_tl(t, t, mask);
+ tcg_gen_st_tl(t, cpu_env, offsetof(CPUX86State, eflags));
+ tcg_temp_free(t);
+}
+
+static void gen_reset_eflags(DisasContext *s, target_ulong mask)
+{
+ TCGv t = tcg_temp_new();
+
+ tcg_gen_ld_tl(t, cpu_env, offsetof(CPUX86State, eflags));
+ tcg_gen_andi_tl(t, t, ~mask);
+ tcg_gen_st_tl(t, cpu_env, offsetof(CPUX86State, eflags));
+ tcg_temp_free(t);
+}
+
/* Clear BND registers during legacy branches. */
static void gen_bnd_jmp(DisasContext *s)
{
@@ -2776,7 +2796,7 @@ do_gen_eob_worker(DisasContext *s, bool inhibit, bool recheck_tf, bool jr)
}
if (s->base.tb->flags & HF_RF_MASK) {
- gen_helper_reset_rf(cpu_env);
+ gen_reset_eflags(s, RF_MASK);
}
if (recheck_tf) {
gen_helper_rechecking_single_step(cpu_env);
@@ -5502,12 +5522,12 @@ static bool disas_insn(DisasContext *s, CPUState *cpu)
#endif
case 0xfa: /* cli */
if (check_iopl(s)) {
- gen_helper_cli(cpu_env);
+ gen_reset_eflags(s, IF_MASK);
}
break;
case 0xfb: /* sti */
if (check_iopl(s)) {
- gen_helper_sti(cpu_env);
+ gen_set_eflags(s, IF_MASK);
/* interruptions are enabled only the first insn after sti */
gen_update_eip_next(s);
gen_eob_inhibit_irq(s, true);
@@ -5789,7 +5809,7 @@ static bool disas_insn(DisasContext *s, CPUState *cpu)
|| CPL(s) != 0) {
goto illegal_op;
}
- gen_helper_clac(cpu_env);
+ gen_reset_eflags(s, AC_MASK);
s->base.is_jmp = DISAS_EOB_NEXT;
break;
@@ -5798,7 +5818,7 @@ static bool disas_insn(DisasContext *s, CPUState *cpu)
|| CPL(s) != 0) {
goto illegal_op;
}
- gen_helper_stac(cpu_env);
+ gen_set_eflags(s, AC_MASK);
s->base.is_jmp = DISAS_EOB_NEXT;
break;
diff --git a/target/m68k/op_helper.c b/target/m68k/op_helper.c
index 5da176d642..1ce850bbc5 100644
--- a/target/m68k/op_helper.c
+++ b/target/m68k/op_helper.c
@@ -460,7 +460,7 @@ void m68k_cpu_transaction_failed(CPUState *cs, hwaddr physaddr, vaddr addr,
M68kCPU *cpu = M68K_CPU(cs);
CPUM68KState *env = &cpu->env;
- cpu_restore_state(cs, retaddr, true);
+ cpu_restore_state(cs, retaddr);
if (m68k_feature(env, M68K_FEATURE_M68040)) {
env->mmu.mmusr = 0;
@@ -558,7 +558,7 @@ raise_exception_format2(CPUM68KState *env, int tt, int ilen, uintptr_t raddr)
cs->exception_index = tt;
/* Recover PC and CC_OP for the beginning of the insn. */
- cpu_restore_state(cs, raddr, true);
+ cpu_restore_state(cs, raddr);
/* Flags are current in env->cc_*, or are undefined. */
env->cc_op = CC_OP_FLAGS;
diff --git a/target/microblaze/helper.c b/target/microblaze/helper.c
index a607fe68e5..98bdb82de8 100644
--- a/target/microblaze/helper.c
+++ b/target/microblaze/helper.c
@@ -277,7 +277,7 @@ void mb_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
uint32_t esr, iflags;
/* Recover the pc and iflags from the corresponding insn_start. */
- cpu_restore_state(cs, retaddr, true);
+ cpu_restore_state(cs, retaddr);
iflags = cpu->env.iflags;
qemu_log_mask(CPU_LOG_INT,
diff --git a/target/nios2/op_helper.c b/target/nios2/op_helper.c
index 2e30d0a908..0aaf33ffc2 100644
--- a/target/nios2/op_helper.c
+++ b/target/nios2/op_helper.c
@@ -40,7 +40,7 @@ void nios2_cpu_loop_exit_advance(CPUNios2State *env, uintptr_t retaddr)
* Do this here, rather than in restore_state_to_opc(),
* lest we affect QEMU internal exceptions, like EXCP_DEBUG.
*/
- cpu_restore_state(cs, retaddr, true);
+ cpu_restore_state(cs, retaddr);
env->pc += 4;
cpu_loop_exit(cs);
}
diff --git a/target/openrisc/sys_helper.c b/target/openrisc/sys_helper.c
index 09b3c97d7c..ec145960e3 100644
--- a/target/openrisc/sys_helper.c
+++ b/target/openrisc/sys_helper.c
@@ -45,14 +45,14 @@ void HELPER(mtspr)(CPUOpenRISCState *env, target_ulong spr, target_ulong rb)
break;
case TO_SPR(0, 16): /* NPC */
- cpu_restore_state(cs, GETPC(), true);
+ cpu_restore_state(cs, GETPC());
/* ??? Mirror or1ksim in not trashing delayed branch state
when "jumping" to the current instruction. */
if (env->pc != rb) {
env->pc = rb;
env->dflag = 0;
- cpu_loop_exit(cs);
}
+ cpu_loop_exit(cs);
break;
case TO_SPR(0, 17): /* SR */
@@ -131,7 +131,7 @@ void HELPER(mtspr)(CPUOpenRISCState *env, target_ulong spr, target_ulong rb)
case TO_SPR(8, 0): /* PMR */
env->pmr = rb;
if (env->pmr & PMR_DME || env->pmr & PMR_SME) {
- cpu_restore_state(cs, GETPC(), true);
+ cpu_restore_state(cs, GETPC());
env->pc += 4;
cs->halted = 1;
raise_exception(cpu, EXCP_HALTED);
@@ -199,6 +199,7 @@ target_ulong HELPER(mfspr)(CPUOpenRISCState *env, target_ulong rd,
target_ulong spr)
{
#ifndef CONFIG_USER_ONLY
+ uint64_t data[TARGET_INSN_START_WORDS];
MachineState *ms = MACHINE(qdev_get_machine());
OpenRISCCPU *cpu = env_archcpu(env);
CPUState *cs = env_cpu(env);
@@ -232,14 +233,20 @@ target_ulong HELPER(mfspr)(CPUOpenRISCState *env, target_ulong rd,
return env->evbar;
case TO_SPR(0, 16): /* NPC (equals PC) */
- cpu_restore_state(cs, GETPC(), false);
+ if (cpu_unwind_state_data(cs, GETPC(), data)) {
+ return data[0];
+ }
return env->pc;
case TO_SPR(0, 17): /* SR */
return cpu_get_sr(env);
case TO_SPR(0, 18): /* PPC */
- cpu_restore_state(cs, GETPC(), false);
+ if (cpu_unwind_state_data(cs, GETPC(), data)) {
+ if (data[1] & 2) {
+ return data[0] - 4;
+ }
+ }
return env->ppc;
case TO_SPR(0, 32): /* EPCR */
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 09a81561d4..a05a2ed595 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -3075,7 +3075,7 @@ void ppc_cpu_do_unaligned_access(CPUState *cs, vaddr vaddr,
uint32_t insn;
/* Restore state and reload the insn we executed, for filling in DSISR. */
- cpu_restore_state(cs, retaddr, true);
+ cpu_restore_state(cs, retaddr);
insn = cpu_ldl_code(env, env->nip);
switch (env->mmu_model) {
diff --git a/target/s390x/tcg/excp_helper.c b/target/s390x/tcg/excp_helper.c
index 29ccf70df1..2cd6d062b9 100644
--- a/target/s390x/tcg/excp_helper.c
+++ b/target/s390x/tcg/excp_helper.c
@@ -39,7 +39,7 @@ G_NORETURN void tcg_s390_program_interrupt(CPUS390XState *env,
{
CPUState *cs = env_cpu(env);
- cpu_restore_state(cs, ra, true);
+ cpu_restore_state(cs, ra);
qemu_log_mask(CPU_LOG_INT, "program interrupt at %#" PRIx64 "\n",
env->psw.addr);
trigger_pgm_exception(env, code);
diff --git a/target/tricore/op_helper.c b/target/tricore/op_helper.c
index a79c838a92..532ae6b74c 100644
--- a/target/tricore/op_helper.c
+++ b/target/tricore/op_helper.c
@@ -31,7 +31,7 @@ void raise_exception_sync_internal(CPUTriCoreState *env, uint32_t class, int tin
{
CPUState *cs = env_cpu(env);
/* in case we come from a helper-call we need to restore the PC */
- cpu_restore_state(cs, pc, true);
+ cpu_restore_state(cs, pc);
/* Tin is loaded into d[15] */
env->gpr_d[15] = tin;
diff --git a/target/xtensa/helper.c b/target/xtensa/helper.c
index e0a9caab4b..2aa9777a8e 100644
--- a/target/xtensa/helper.c
+++ b/target/xtensa/helper.c
@@ -253,7 +253,7 @@ void xtensa_cpu_do_unaligned_access(CPUState *cs,
assert(xtensa_option_enabled(env->config,
XTENSA_OPTION_UNALIGNED_EXCEPTION));
- cpu_restore_state(CPU(cpu), retaddr, true);
+ cpu_restore_state(CPU(cpu), retaddr);
HELPER(exception_cause_vaddr)(env,
env->pc, LOAD_STORE_ALIGNMENT_CAUSE,
addr);
@@ -284,7 +284,7 @@ bool xtensa_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
} else if (probe) {
return false;
} else {
- cpu_restore_state(cs, retaddr, true);
+ cpu_restore_state(cs, retaddr);
HELPER(exception_cause_vaddr)(env, env->pc, ret, address);
}
}
@@ -297,7 +297,7 @@ void xtensa_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, vaddr addr,
XtensaCPU *cpu = XTENSA_CPU(cs);
CPUXtensaState *env = &cpu->env;
- cpu_restore_state(cs, retaddr, true);
+ cpu_restore_state(cs, retaddr);
HELPER(exception_cause_vaddr)(env, env->pc,
access_type == MMU_INST_FETCH ?
INSTR_PIF_ADDR_ERROR_CAUSE :
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-04-23 23:16:54 +0200