Commit 5b146dc7 authored by Richard Henderson's avatar Richard Henderson
Browse files

cpu: Introduce CPUNegativeOffsetState 



Nothing in there so far, but all of the plumbing done
within the target ArchCPU state.

Reviewed-by: default avatarAlistair Francis <alistair.francis@wdc.com>
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarRichard Henderson <richard.henderson@linaro.org>
parent 7506ed90

include/exec/cpu-all.h

+24 −0
Original line number Diff line number Diff line
@@ -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 */

include/exec/cpu-defs.h

+8 −0
Original line number Diff line number Diff line
@@ -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

target/alpha/cpu.h

+1 −0
Original line number Diff line number Diff line
@@ -272,6 +272,7 @@ struct AlphaCPU { 
    CPUState parent_obj;

    /*< public >*/



    CPUNegativeOffsetState neg;

    CPUAlphaState env;



    /* This alarm doesn't exist in real hardware; we wish it did.  */

target/arm/cpu.h

+1 −0
Original line number Diff line number Diff line
@@ -721,6 +721,7 @@ struct ARMCPU { 
    CPUState parent_obj;

    /*< public >*/



    CPUNegativeOffsetState neg;

    CPUARMState env;



    /* Coprocessor information */

target/cris/cpu.h

+1 −0
Original line number Diff line number Diff line
@@ -180,6 +180,7 @@ struct CRISCPU { 
    CPUState parent_obj;

    /*< public >*/



    CPUNegativeOffsetState neg;

    CPUCRISState env;

};