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[Qemu-devel] [PATCH v5 38/73] arm: convert to cpu_interrupt_request


From: Emilio G. Cota
Subject: [Qemu-devel] [PATCH v5 38/73] arm: convert to cpu_interrupt_request
Date: Thu, 13 Dec 2018 00:04:18 -0500

Cc: Peter Maydell <address@hidden>
Cc: address@hidden
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: Emilio G. Cota <address@hidden>
---
 target/arm/cpu.c    |  6 +++---
 target/arm/helper.c | 16 +++++++---------
 2 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 8baa5bb891..738b80944c 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -49,7 +49,7 @@ static bool arm_cpu_has_work(CPUState *cs)
     ARMCPU *cpu = ARM_CPU(cs);
 
     return (cpu->power_state != PSCI_OFF)
-        && cs->interrupt_request &
+        && cpu_interrupt_request(cs) &
         (CPU_INTERRUPT_FIQ | CPU_INTERRUPT_HARD
          | CPU_INTERRUPT_VFIQ | CPU_INTERRUPT_VIRQ
          | CPU_INTERRUPT_EXITTB);
@@ -448,7 +448,7 @@ void arm_cpu_update_virq(ARMCPU *cpu)
     bool new_state = (env->cp15.hcr_el2 & HCR_VI) ||
         (env->irq_line_state & CPU_INTERRUPT_VIRQ);
 
-    if (new_state != ((cs->interrupt_request & CPU_INTERRUPT_VIRQ) != 0)) {
+    if (new_state != ((cpu_interrupt_request(cs) & CPU_INTERRUPT_VIRQ) != 0)) {
         if (new_state) {
             cpu_interrupt(cs, CPU_INTERRUPT_VIRQ);
         } else {
@@ -469,7 +469,7 @@ void arm_cpu_update_vfiq(ARMCPU *cpu)
     bool new_state = (env->cp15.hcr_el2 & HCR_VF) ||
         (env->irq_line_state & CPU_INTERRUPT_VFIQ);
 
-    if (new_state != ((cs->interrupt_request & CPU_INTERRUPT_VFIQ) != 0)) {
+    if (new_state != ((cpu_interrupt_request(cs) & CPU_INTERRUPT_VFIQ) != 0)) {
         if (new_state) {
             cpu_interrupt(cs, CPU_INTERRUPT_VFIQ);
         } else {
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 0da1424f72..8c9b1210b2 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -1328,23 +1328,24 @@ static uint64_t isr_read(CPUARMState *env, const 
ARMCPRegInfo *ri)
 {
     CPUState *cs = ENV_GET_CPU(env);
     uint64_t ret = 0;
+    uint32_t interrupt_request = cpu_interrupt_request(cs);
 
     if (arm_hcr_el2_imo(env)) {
-        if (cs->interrupt_request & CPU_INTERRUPT_VIRQ) {
+        if (interrupt_request & CPU_INTERRUPT_VIRQ) {
             ret |= CPSR_I;
         }
     } else {
-        if (cs->interrupt_request & CPU_INTERRUPT_HARD) {
+        if (interrupt_request & CPU_INTERRUPT_HARD) {
             ret |= CPSR_I;
         }
     }
 
     if (arm_hcr_el2_fmo(env)) {
-        if (cs->interrupt_request & CPU_INTERRUPT_VFIQ) {
+        if (interrupt_request & CPU_INTERRUPT_VFIQ) {
             ret |= CPSR_F;
         }
     } else {
-        if (cs->interrupt_request & CPU_INTERRUPT_FIQ) {
+        if (interrupt_request & CPU_INTERRUPT_FIQ) {
             ret |= CPSR_F;
         }
     }
@@ -8693,10 +8694,7 @@ void arm_cpu_do_interrupt(CPUState *cs)
         return;
     }
 
-    /* Hooks may change global state so BQL should be held, also the
-     * BQL needs to be held for any modification of
-     * cs->interrupt_request.
-     */
+    /* Hooks may change global state so BQL should be held */
     g_assert(qemu_mutex_iothread_locked());
 
     arm_call_pre_el_change_hook(cpu);
@@ -8711,7 +8709,7 @@ void arm_cpu_do_interrupt(CPUState *cs)
     arm_call_el_change_hook(cpu);
 
     if (!kvm_enabled()) {
-        cs->interrupt_request |= CPU_INTERRUPT_EXITTB;
+        cpu_interrupt_request_or(cs, CPU_INTERRUPT_EXITTB);
     }
 }
 
-- 
2.17.1




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