cpu: Replace do_interrupt() by CPUClass::do_interrupt method

This removes a global per-target function and thus takes us one step
closer to compiling multiple targets into one executable.

It will also allow to override the interrupt handling for certain CPU
families.

Signed-off-by: Andreas Färber <afaerber@suse.de>

4 files changed, 10 insertions, 5 deletions

diff --git a/target-arm/cpu-qom.h b/target-arm/cpu-qom.h
index 7539727768..eeecc9265d 100644
--- a/target-arm/cpu-qom.h
+++ b/target-arm/cpu-qom.h
@@ -113,4 +113,6 @@ static inline ARMCPU *arm_env_get_cpu(CPUARMState *env)
 
 void register_cp_regs_for_features(ARMCPU *cpu);
 
+void arm_cpu_do_interrupt(CPUState *cpu);
+
 #endif
diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index 5dfcb740d9..aeaa3b7834 100644
--- a/target-arm/cpu.c
+++ b/target-arm/cpu.c
@@ -802,6 +802,7 @@ static void arm_cpu_class_init(ObjectClass *oc, void *data)
     cc->reset = arm_cpu_reset;
 
     cc->class_by_name = arm_cpu_class_by_name;
+    cc->do_interrupt = arm_cpu_do_interrupt;
 }
 
 static void cpu_register(const ARMCPUInfo *info)
diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index 957866c0e2..2b97221209 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -236,7 +236,6 @@ ARMCPU *cpu_arm_init(const char *cpu_model);
 void arm_translate_init(void);
 void arm_cpu_register_gdb_regs_for_features(ARMCPU *cpu);
 int cpu_arm_exec(CPUARMState *s);
-void do_interrupt(CPUARMState *);
 int bank_number(int mode);
 void switch_mode(CPUARMState *, int);
 uint32_t do_arm_semihosting(CPUARMState *env);
diff --git a/target-arm/helper.c b/target-arm/helper.c
index f839726f52..b4cbb8718a 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -1567,8 +1567,11 @@ uint32_t HELPER(rbit)(uint32_t x)
 
 #if defined(CONFIG_USER_ONLY)
 
-void do_interrupt (CPUARMState *env)
+void arm_cpu_do_interrupt(CPUState *cs)
 {
+    ARMCPU *cpu = ARM_CPU(cs);
+    CPUARMState *env = &cpu->env;
+
     env->exception_index = -1;
 }
 
@@ -1799,9 +1802,10 @@ static void do_interrupt_v7m(CPUARMState *env)
 }
 
 /* Handle a CPU exception.  */
-void do_interrupt(CPUARMState *env)
+void arm_cpu_do_interrupt(CPUState *cs)
 {
-    CPUState *cs;
+    ARMCPU *cpu = ARM_CPU(cs);
+    CPUARMState *env = &cpu->env;
     uint32_t addr;
     uint32_t mask;
     int new_mode;
@@ -1908,7 +1912,6 @@ void do_interrupt(CPUARMState *env)
     }
     env->regs[14] = env->regs[15] + offset;
     env->regs[15] = addr;
-    cs = CPU(arm_env_get_cpu(env));
     cs->interrupt_request |= CPU_INTERRUPT_EXITTB;
 }