target/nios2: Use env_cpu, env_archcpu

Cleanup in the boilerplate that each target must define.
Replace nios2_env_get_cpu with env_archcpu.  The combination
CPU(nios2_env_get_cpu) should have used ENV_GET_CPU to begin;
use env_cpu now.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 1 insertions, 4 deletions

diff --git a/hw/nios2/cpu_pic.c b/hw/nios2/cpu_pic.c
index 6bccce2..9e39955 100644
--- a/hw/nios2/cpu_pic.c
+++ b/hw/nios2/cpu_pic.c
@@ -54,12 +54,9 @@ static void nios2_pic_cpu_handler(void *opaque, int irq, int level)
 
 void nios2_check_interrupts(CPUNios2State *env)
 {
-    Nios2CPU *cpu = nios2_env_get_cpu(env);
-    CPUState *cs = CPU(cpu);
-
     if (env->irq_pending) {
         env->irq_pending = 0;
-        cpu_interrupt(cs, CPU_INTERRUPT_HARD);
+        cpu_interrupt(env_cpu(env), CPU_INTERRUPT_HARD);
     }
 }