target/lm32: Use env_cpu, env_archcpu

Cleanup in the boilerplate that each target must define.
Replace lm32_env_get_cpu with env_archcpu.  The combination
CPU(lm32_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>

target/lm32/cpu.h

@@ -195,11 +195,6 @@ struct LM32CPU {
     uint32_t features;
 };
 
-static inline LM32CPU *lm32_env_get_cpu(CPULM32State *env)
-{
-    return container_of(env, LM32CPU, env);
-}
-
 #define ENV_OFFSET offsetof(LM32CPU, env)
 
 #ifndef CONFIG_USER_ONLY

target/lm32/helper.c

@@ -58,28 +58,23 @@ hwaddr lm32_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
 
 void lm32_breakpoint_insert(CPULM32State *env, int idx, target_ulong address)
 {
-    LM32CPU *cpu = lm32_env_get_cpu(env);
-
-    cpu_breakpoint_insert(CPU(cpu), address, BP_CPU,
+    cpu_breakpoint_insert(env_cpu(env), address, BP_CPU,
                           &env->cpu_breakpoint[idx]);
 }
 
 void lm32_breakpoint_remove(CPULM32State *env, int idx)
 {
-    LM32CPU *cpu = lm32_env_get_cpu(env);
-
     if (!env->cpu_breakpoint[idx]) {
         return;
     }
 
-    cpu_breakpoint_remove_by_ref(CPU(cpu), env->cpu_breakpoint[idx]);
+    cpu_breakpoint_remove_by_ref(env_cpu(env), env->cpu_breakpoint[idx]);
     env->cpu_breakpoint[idx] = NULL;
 }
 
 void lm32_watchpoint_insert(CPULM32State *env, int idx, target_ulong address,
                             lm32_wp_t wp_type)
 {
-    LM32CPU *cpu = lm32_env_get_cpu(env);
     int flags = 0;
 
     switch (wp_type) {
@@ -98,26 +93,24 @@ void lm32_watchpoint_insert(CPULM32State *env, int idx, target_ulong address,
     }
 
     if (flags != 0) {
-        cpu_watchpoint_insert(CPU(cpu), address, 1, flags,
-                &env->cpu_watchpoint[idx]);
+        cpu_watchpoint_insert(env_cpu(env), address, 1, flags,
+                              &env->cpu_watchpoint[idx]);
     }
 }
 
 void lm32_watchpoint_remove(CPULM32State *env, int idx)
 {
-    LM32CPU *cpu = lm32_env_get_cpu(env);
-
     if (!env->cpu_watchpoint[idx]) {
         return;
     }
 
-    cpu_watchpoint_remove_by_ref(CPU(cpu), env->cpu_watchpoint[idx]);
+    cpu_watchpoint_remove_by_ref(env_cpu(env), env->cpu_watchpoint[idx]);
     env->cpu_watchpoint[idx] = NULL;
 }
 
 static bool check_watchpoints(CPULM32State *env)
 {
-    LM32CPU *cpu = lm32_env_get_cpu(env);
+    LM32CPU *cpu = env_archcpu(env);
     int i;
 
     for (i = 0; i < cpu->num_watchpoints; i++) {

target/lm32/op_helper.c

@@ -16,7 +16,7 @@
 #if !defined(CONFIG_USER_ONLY)
 void raise_exception(CPULM32State *env, int index)
 {
-    CPUState *cs = CPU(lm32_env_get_cpu(env));
+    CPUState *cs = env_cpu(env);
 
     cs->exception_index = index;
     cpu_loop_exit(cs);
@@ -29,7 +29,7 @@ void HELPER(raise_exception)(CPULM32State *env, uint32_t index)
 
 void HELPER(hlt)(CPULM32State *env)
 {
-    CPUState *cs = CPU(lm32_env_get_cpu(env));
+    CPUState *cs = env_cpu(env);
 
     cs->halted = 1;
     cs->exception_index = EXCP_HLT;
@@ -39,7 +39,7 @@ void HELPER(hlt)(CPULM32State *env)
 void HELPER(ill)(CPULM32State *env)
 {
 #ifndef CONFIG_USER_ONLY
-    CPUState *cs = CPU(lm32_env_get_cpu(env));
+    CPUState *cs = env_cpu(env);
     fprintf(stderr, "VM paused due to illegal instruction. "
             "Connect a debugger or switch to the monitor console "
             "to find out more.\n");

target/lm32/translate.c

@@ -1053,7 +1053,7 @@ static inline void decode(DisasContext *dc, uint32_t ir)
 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
 {
     CPULM32State *env = cs->env_ptr;
-    LM32CPU *cpu = lm32_env_get_cpu(env);
+    LM32CPU *cpu = env_archcpu(env);
     struct DisasContext ctx, *dc = &ctx;
     uint32_t pc_start;
     uint32_t page_start;