target/alpha: Use env_cpu, env_archcpu

Cleanup in the boilerplate that each target must define.
Replace alpha_env_get_cpu with env_archcpu.  The combination
CPU(alpha_env_get_cpu) should have used ENV_GET_CPU to begin;
use env_cpu now.
Reviewed-by: NAlistair Francis <alistair.francis@wdc.com>
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

linux-user/alpha/cpu_loop.c

@@ -23,7 +23,7 @@
 
 void cpu_loop(CPUAlphaState *env)
 {
-    CPUState *cs = CPU(alpha_env_get_cpu(env));
+    CPUState *cs = env_cpu(env);
     int trapnr;
     target_siginfo_t info;
     abi_long sysret;

target/alpha/cpu.h

@@ -278,11 +278,6 @@ struct AlphaCPU {
     QEMUTimer *alarm_timer;
 };
 
-static inline AlphaCPU *alpha_env_get_cpu(CPUAlphaState *env)
-{
-    return container_of(env, AlphaCPU, env);
-}
-
 #define ENV_OFFSET offsetof(AlphaCPU, env)
 
 #ifndef CONFIG_USER_ONLY

target/alpha/helper.c

@@ -136,7 +136,7 @@ static int get_physical_address(CPUAlphaState *env, target_ulong addr,
                                 int prot_need, int mmu_idx,
                                 target_ulong *pphys, int *pprot)
 {
-    CPUState *cs = CPU(alpha_env_get_cpu(env));
+    CPUState *cs = env_cpu(env);
     target_long saddr = addr;
     target_ulong phys = 0;
     target_ulong L1pte, L2pte, L3pte;
@@ -486,8 +486,7 @@ void alpha_cpu_dump_state(CPUState *cs, FILE *f, int flags)
    We expect that ENV->PC has already been updated.  */
 void QEMU_NORETURN helper_excp(CPUAlphaState *env, int excp, int error)
 {
-    AlphaCPU *cpu = alpha_env_get_cpu(env);
-    CPUState *cs = CPU(cpu);
+    CPUState *cs = env_cpu(env);
 
     cs->exception_index = excp;
     env->error_code = error;
@@ -498,8 +497,7 @@ void QEMU_NORETURN helper_excp(CPUAlphaState *env, int excp, int error)
 void QEMU_NORETURN dynamic_excp(CPUAlphaState *env, uintptr_t retaddr,
                                 int excp, int error)
 {
-    AlphaCPU *cpu = alpha_env_get_cpu(env);
-    CPUState *cs = CPU(cpu);
+    CPUState *cs = env_cpu(env);
 
     cs->exception_index = excp;
     env->error_code = error;

target/alpha/sys_helper.c

@@ -44,17 +44,17 @@ uint64_t helper_load_pcc(CPUAlphaState *env)
 #ifndef CONFIG_USER_ONLY
 void helper_tbia(CPUAlphaState *env)
 {
-    tlb_flush(CPU(alpha_env_get_cpu(env)));
+    tlb_flush(env_cpu(env));
 }
 
 void helper_tbis(CPUAlphaState *env, uint64_t p)
 {
-    tlb_flush_page(CPU(alpha_env_get_cpu(env)), p);
+    tlb_flush_page(env_cpu(env), p);
 }
 
 void helper_tb_flush(CPUAlphaState *env)
 {
-    tb_flush(CPU(alpha_env_get_cpu(env)));
+    tb_flush(env_cpu(env));
 }
 
 void helper_halt(uint64_t restart)
@@ -78,7 +78,7 @@ uint64_t helper_get_walltime(void)
 
 void helper_set_alarm(CPUAlphaState *env, uint64_t expire)
 {
-    AlphaCPU *cpu = alpha_env_get_cpu(env);
+    AlphaCPU *cpu = env_archcpu(env);
 
     if (expire) {
         env->alarm_expire = expire;