mirror of https://github.com/xemu-project/xemu.git
target/ppc: Clean up _spr_register et al
Introduce 3 helper macros to elide arguments that we cannot supply. This reduces the repetition required to get the job done. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210501022923.1179736-2-richard.henderson@linaro.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Richard Henderson
David Gibson
parent
526cdce771
commit
6113563982
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@ -720,104 +720,98 @@ static inline void vscr_init(CPUPPCState *env, uint32_t val)
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helper_mtvscr(env, val);
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}
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#ifdef CONFIG_USER_ONLY
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#define spr_register_kvm(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, one_reg_id, initial_value) \
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_spr_register(env, num, name, uea_read, uea_write, initial_value)
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#define spr_register_kvm_hv(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, hea_read, hea_write, \
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one_reg_id, initial_value) \
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_spr_register(env, num, name, uea_read, uea_write, initial_value)
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/**
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* _spr_register
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*
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* Register an SPR with all the callbacks required for tcg,
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* and the ID number for KVM.
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*
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* The reason for the conditional compilation is that the tcg functions
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* may be compiled out, and the system kvm header may not be available
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* for supplying the ID numbers. This is ugly, but the best we can do.
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*/
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#ifdef CONFIG_TCG
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# define USR_ARG(X) X,
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# ifdef CONFIG_USER_ONLY
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# define SYS_ARG(X)
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# else
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# define SYS_ARG(X) X,
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# endif
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#else
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#if !defined(CONFIG_KVM)
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#define spr_register_kvm(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, one_reg_id, initial_value) \
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_spr_register(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, oea_read, oea_write, initial_value)
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#define spr_register_kvm_hv(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, hea_read, hea_write, \
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one_reg_id, initial_value) \
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_spr_register(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, hea_read, hea_write, initial_value)
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# define USR_ARG(X)
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# define SYS_ARG(X)
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#endif
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#ifdef CONFIG_KVM
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# define KVM_ARG(X) X,
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#else
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#define spr_register_kvm(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, one_reg_id, initial_value) \
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_spr_register(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, oea_read, oea_write, \
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one_reg_id, initial_value)
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#define spr_register_kvm_hv(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, hea_read, hea_write, \
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one_reg_id, initial_value) \
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_spr_register(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, hea_read, hea_write, \
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one_reg_id, initial_value)
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#endif
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# define KVM_ARG(X)
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#endif
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#define spr_register(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, initial_value) \
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spr_register_kvm(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, 0, initial_value)
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typedef void spr_callback(DisasContext *, int, int);
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#define spr_register_hv(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, hea_read, hea_write, \
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initial_value) \
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spr_register_kvm_hv(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, hea_read, hea_write, \
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0, initial_value)
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static inline void _spr_register(CPUPPCState *env, int num,
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const char *name,
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void (*uea_read)(DisasContext *ctx,
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int gprn, int sprn),
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void (*uea_write)(DisasContext *ctx,
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int sprn, int gprn),
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#if !defined(CONFIG_USER_ONLY)
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void (*oea_read)(DisasContext *ctx,
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int gprn, int sprn),
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void (*oea_write)(DisasContext *ctx,
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int sprn, int gprn),
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void (*hea_read)(DisasContext *opaque,
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int gprn, int sprn),
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void (*hea_write)(DisasContext *opaque,
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int sprn, int gprn),
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#endif
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#if defined(CONFIG_KVM)
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uint64_t one_reg_id,
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#endif
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target_ulong initial_value)
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static void _spr_register(CPUPPCState *env, int num, const char *name,
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USR_ARG(spr_callback *uea_read)
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USR_ARG(spr_callback *uea_write)
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SYS_ARG(spr_callback *oea_read)
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SYS_ARG(spr_callback *oea_write)
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SYS_ARG(spr_callback *hea_read)
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SYS_ARG(spr_callback *hea_write)
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KVM_ARG(uint64_t one_reg_id)
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target_ulong initial_value)
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{
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ppc_spr_t *spr;
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ppc_spr_t *spr = &env->spr_cb[num];
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/* No SPR should be registered twice. */
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assert(spr->name == NULL);
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assert(name != NULL);
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spr = &env->spr_cb[num];
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if (spr->name != NULL || env->spr[num] != 0x00000000 ||
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#if !defined(CONFIG_USER_ONLY)
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spr->oea_read != NULL || spr->oea_write != NULL ||
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#endif
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spr->uea_read != NULL || spr->uea_write != NULL) {
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printf("Error: Trying to register SPR %d (%03x) twice !\n", num, num);
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exit(1);
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}
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#if defined(PPC_DEBUG_SPR)
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printf("*** register spr %d (%03x) %s val " TARGET_FMT_lx "\n", num, num,
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name, initial_value);
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#endif
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spr->name = name;
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spr->default_value = initial_value;
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env->spr[num] = initial_value;
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#ifdef CONFIG_TCG
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spr->uea_read = uea_read;
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spr->uea_write = uea_write;
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#if !defined(CONFIG_USER_ONLY)
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# ifndef CONFIG_USER_ONLY
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spr->oea_read = oea_read;
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spr->oea_write = oea_write;
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spr->hea_read = hea_read;
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spr->hea_write = hea_write;
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# endif
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#endif
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#if defined(CONFIG_KVM)
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spr->one_reg_id = one_reg_id,
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#ifdef CONFIG_KVM
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spr->one_reg_id = one_reg_id;
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#endif
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env->spr[num] = spr->default_value = initial_value;
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}
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/* spr_register_kvm_hv passes all required arguments. */
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#define spr_register_kvm_hv(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, hea_read, hea_write, \
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one_reg_id, initial_value) \
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_spr_register(env, num, name, \
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USR_ARG(uea_read) USR_ARG(uea_write) \
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SYS_ARG(oea_read) SYS_ARG(oea_write) \
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SYS_ARG(hea_read) SYS_ARG(hea_write) \
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KVM_ARG(one_reg_id) initial_value)
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/* spr_register_kvm duplicates the oea callbacks to the hea callbacks. */
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#define spr_register_kvm(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, one_reg_id, ival) \
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spr_register_kvm_hv(env, num, name, uea_read, uea_write, oea_read, \
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oea_write, oea_read, oea_write, one_reg_id, ival)
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/* spr_register_hv and spr_register are similar, except there is no kvm id. */
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#define spr_register_hv(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, hea_read, hea_write, ival) \
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spr_register_kvm_hv(env, num, name, uea_read, uea_write, oea_read, \
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oea_write, hea_read, hea_write, 0, ival)
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#define spr_register(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, ival) \
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spr_register_kvm(env, num, name, uea_read, uea_write, \
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oea_read, oea_write, 0, ival)
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/* Generic PowerPC SPRs */
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static void gen_spr_generic(CPUPPCState *env)
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{
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