[PATCH v8 42/74] i386/hax-all: convert to cpu_interrupt_request

From: Robert Foley <robert.foley@linaro.org>
To: qemu-devel@nongnu.org
Cc: richard.henderson@linaro.org, "Emilio G. Cota" <cota@braap.org>,
	alex.bennee@linaro.org, robert.foley@linaro.org,
	peter.puhov@linaro.org
Subject: [PATCH v8 42/74] i386/hax-all: convert to cpu_interrupt_request
Date: Thu, 26 Mar 2020 15:31:24 -0400	[thread overview]
Message-ID: <20200326193156.4322-43-robert.foley@linaro.org> (raw)
In-Reply-To: <20200326193156.4322-1-robert.foley@linaro.org>

From: "Emilio G. Cota" <cota@braap.org>

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
[RF: Converted new code to cpu_interrupt_request]
Signed-off-by: Robert Foley <robert.foley@linaro.org>
---
 target/i386/hax-all.c | 34 +++++++++++++++++++---------------
 1 file changed, 19 insertions(+), 15 deletions(-)

diff --git a/target/i386/hax-all.c b/target/i386/hax-all.c
index 1edd6c77df..66de14b27b 100644
--- a/target/i386/hax-all.c
+++ b/target/i386/hax-all.c
@@ -285,7 +285,7 @@ int hax_vm_destroy(struct hax_vm *vm)
 
 static void hax_handle_interrupt(CPUState *cpu, int mask)
 {
-    cpu->interrupt_request |= mask;
+    cpu_interrupt_request_or(cpu, mask);
 
     if (!qemu_cpu_is_self(cpu)) {
         qemu_cpu_kick(cpu);
@@ -419,7 +419,7 @@ static int hax_vcpu_interrupt(CPUArchState *env)
      * Unlike KVM, HAX kernel check for the eflags, instead of qemu
      */
     if (ht->ready_for_interrupt_injection &&
-        (cpu->interrupt_request & CPU_INTERRUPT_HARD)) {
+        (cpu_interrupt_request(cpu) & CPU_INTERRUPT_HARD)) {
         int irq;
 
         irq = cpu_get_pic_interrupt(env);
@@ -433,7 +433,7 @@ static int hax_vcpu_interrupt(CPUArchState *env)
      * interrupt, request an interrupt window exit.  This will
      * cause a return to userspace as soon as the guest is ready to
      * receive interrupts. */
-    if ((cpu->interrupt_request & CPU_INTERRUPT_HARD)) {
+    if ((cpu_interrupt_request(cpu) & CPU_INTERRUPT_HARD)) {
         ht->request_interrupt_window = 1;
     } else {
         ht->request_interrupt_window = 0;
@@ -472,7 +472,7 @@ static int hax_vcpu_hax_exec(CPUArchState *env)
         return 0;
     }
 
-    if (cpu->interrupt_request & CPU_INTERRUPT_POLL) {
+    if (cpu_interrupt_request(cpu) & CPU_INTERRUPT_POLL) {
         cpu_reset_interrupt(cpu, CPU_INTERRUPT_POLL);
         apic_poll_irq(x86_cpu->apic_state);
     }
@@ -495,20 +495,20 @@ static int hax_vcpu_hax_exec(CPUArchState *env)
      *  c) INIT signal;
      *  d) SIPI signal.
      */
-    if (((cpu->interrupt_request & CPU_INTERRUPT_HARD) &&
+    if (((cpu_interrupt_request(cpu) & CPU_INTERRUPT_HARD) &&
          (env->eflags & IF_MASK)) ||
-        (cpu->interrupt_request & CPU_INTERRUPT_NMI)) {
+        (cpu_interrupt_request(cpu) & CPU_INTERRUPT_NMI)) {
         cpu_halted_set(cpu, 0);
     }
 
-    if (cpu->interrupt_request & CPU_INTERRUPT_INIT) {
+    if (cpu_interrupt_request(cpu) & CPU_INTERRUPT_INIT) {
         DPRINTF("\nhax_vcpu_hax_exec: handling INIT for %d\n",
                 cpu->cpu_index);
         do_cpu_init(x86_cpu);
         hax_vcpu_sync_state(env, 1);
     }
 
-    if (cpu->interrupt_request & CPU_INTERRUPT_SIPI) {
+    if (cpu_interrupt_request(cpu) & CPU_INTERRUPT_SIPI) {
         DPRINTF("hax_vcpu_hax_exec: handling SIPI for %d\n",
                 cpu->cpu_index);
         hax_vcpu_sync_state(env, 0);
@@ -577,13 +577,17 @@ static int hax_vcpu_hax_exec(CPUArchState *env)
             ret = -1;
             break;
         case HAX_EXIT_HLT:
-            if (!(cpu->interrupt_request & CPU_INTERRUPT_HARD) &&
-                !(cpu->interrupt_request & CPU_INTERRUPT_NMI)) {
-                /* hlt instruction with interrupt disabled is shutdown */
-                env->eflags |= IF_MASK;
-                cpu_halted_set(cpu, 1);
-                cpu->exception_index = EXCP_HLT;
-                ret = 1;
+            {
+                uint32_t interrupt_request = cpu_interrupt_request(cpu);
+
+                if (!(interrupt_request & CPU_INTERRUPT_HARD) &&
+                    !(interrupt_request & CPU_INTERRUPT_NMI)) {
+                    /* hlt instruction with interrupt disabled is shutdown */
+                    env->eflags |= IF_MASK;
+                    cpu_halted_set(cpu, 1);
+                    cpu->exception_index = EXCP_HLT;
+                    ret = 1;
+                }
             }
             break;
         /* these situations will continue to hax module */
-- 
2.17.1


