From 5b146dc716cfd247f99556c04e6e46fbd67565a0 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 22 Mar 2019 17:16:06 -0700 Subject: cpu: Introduce CPUNegativeOffsetState Nothing in there so far, but all of the plumbing done within the target ArchCPU state. Reviewed-by: Alistair Francis Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- include/exec/cpu-all.h | 24 ++++++++++++++++++++++++ include/exec/cpu-defs.h | 8 ++++++++ 2 files changed, 32 insertions(+) (limited to 'include') diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h index 71154070a7..5ae83405c8 100644 --- a/include/exec/cpu-all.h +++ b/include/exec/cpu-all.h @@ -404,4 +404,28 @@ static inline CPUState *env_cpu(CPUArchState *env) return &env_archcpu(env)->parent_obj; } +/** + * env_neg(env) + * @env: The architecture environment + * + * Return the CPUNegativeOffsetState associated with the environment. + */ +static inline CPUNegativeOffsetState *env_neg(CPUArchState *env) +{ + ArchCPU *arch_cpu = container_of(env, ArchCPU, env); + return &arch_cpu->neg; +} + +/** + * cpu_neg(cpu) + * @cpu: The generic CPUState + * + * Return the CPUNegativeOffsetState associated with the cpu. + */ +static inline CPUNegativeOffsetState *cpu_neg(CPUState *cpu) +{ + ArchCPU *arch_cpu = container_of(cpu, ArchCPU, parent_obj); + return &arch_cpu->neg; +} + #endif /* CPU_ALL_H */ diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h index b9ec261b01..921fbb4c36 100644 --- a/include/exec/cpu-defs.h +++ b/include/exec/cpu-defs.h @@ -227,4 +227,12 @@ typedef struct CPUTLB { #endif /* !CONFIG_USER_ONLY && CONFIG_TCG */ +/* + * This structure must be placed in ArchCPU immedately + * before CPUArchState, as a field named "neg". + */ +typedef struct CPUNegativeOffsetState { + /* Empty */ +} CPUNegativeOffsetState; + #endif -- cgit v1.2.3