diff options
Diffstat (limited to 'include/exec/cpu-all.h')
| -rw-r--r-- | include/exec/cpu-all.h | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h index ed7747a5f1..0dd32cb0e9 100644 --- a/include/exec/cpu-all.h +++ b/include/exec/cpu-all.h @@ -432,9 +432,13 @@ int cpu_exec(CPUState *cpu); static inline void cpu_set_cpustate_pointers(ArchCPU *cpu) { cpu->parent_obj.env_ptr = &cpu->env; - cpu->parent_obj.icount_decr_ptr = &cpu->neg.icount_decr; + cpu->parent_obj.icount_decr_ptr = &cpu->parent_obj.neg.icount_decr; } +/* Validate correct placement of CPUArchState. */ +QEMU_BUILD_BUG_ON(offsetof(ArchCPU, parent_obj) != 0); +QEMU_BUILD_BUG_ON(offsetof(ArchCPU, env) != sizeof(CPUState)); + /** * env_archcpu(env) * @env: The architecture environment @@ -443,7 +447,7 @@ static inline void cpu_set_cpustate_pointers(ArchCPU *cpu) */ static inline ArchCPU *env_archcpu(CPUArchState *env) { - return container_of(env, ArchCPU, env); + return (void *)env - sizeof(CPUState); } /** @@ -454,15 +458,9 @@ static inline ArchCPU *env_archcpu(CPUArchState *env) */ static inline CPUState *env_cpu(CPUArchState *env) { - return &env_archcpu(env)->parent_obj; + return (void *)env - sizeof(CPUState); } -/* - * Validate placement of CPUNegativeOffsetState. - */ -QEMU_BUILD_BUG_ON(offsetof(ArchCPU, env) - offsetof(ArchCPU, neg) >= - sizeof(CPUNegativeOffsetState) + __alignof(CPUArchState)); - /** * env_neg(env) * @env: The architecture environment @@ -471,8 +469,7 @@ QEMU_BUILD_BUG_ON(offsetof(ArchCPU, env) - offsetof(ArchCPU, neg) >= */ static inline CPUNegativeOffsetState *env_neg(CPUArchState *env) { - ArchCPU *arch_cpu = container_of(env, ArchCPU, env); - return &arch_cpu->neg; + return &env_cpu(env)->neg; } /** @@ -483,8 +480,7 @@ static inline CPUNegativeOffsetState *env_neg(CPUArchState *env) */ static inline CPUNegativeOffsetState *cpu_neg(CPUState *cpu) { - ArchCPU *arch_cpu = container_of(cpu, ArchCPU, parent_obj); - return &arch_cpu->neg; + return &cpu->neg; } /** |