riscv_cpu_realize_tcg() was added to allow TCG cpus to have a different
realize() path during the common riscv_cpu_realize(), making it a good
choice to start moving TCG exclusive code to tcg-cpu.c.
Rename it to tcg_cpu_realizefn() and assign it as a implementation of
accel::cpu_realizefn(). tcg_cpu_realizefn() will then be called during
riscv_cpu_realize() via cpu_exec_realizefn(). We'll use a similar
approach with KVM in the near future.
riscv_cpu_validate_set_extensions() is too big and with too many
dependencies to be moved in this same patch. We'll do that next.
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
---
target/riscv/cpu.c | 128 -----------------------------------
target/riscv/tcg/tcg-cpu.c | 132 +++++++++++++++++++++++++++++++++++++
2 files changed, 132 insertions(+), 128 deletions(-)
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 2c6972fa0d..59785f5d9a 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -23,9 +23,7 @@
#include "qemu/log.h"
#include "cpu.h"
#include "cpu_vendorid.h"
-#include "pmu.h"
#include "internals.h"
-#include "time_helper.h"
#include "exec/exec-all.h"
#include "qapi/error.h"
#include "qapi/visitor.h"
@@ -1064,29 +1062,6 @@ static void riscv_cpu_validate_v(CPURISCVState *env, RISCVCPUConfig *cfg,
}
}
-static void riscv_cpu_validate_priv_spec(RISCVCPU *cpu, Error **errp)
-{
- CPURISCVState *env = &cpu->env;
- int priv_version = -1;
-
- if (cpu->cfg.priv_spec) {
- if (!g_strcmp0(cpu->cfg.priv_spec, "v1.12.0")) {
- priv_version = PRIV_VERSION_1_12_0;
- } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.11.0")) {
- priv_version = PRIV_VERSION_1_11_0;
- } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.10.0")) {
- priv_version = PRIV_VERSION_1_10_0;
- } else {
- error_setg(errp,
- "Unsupported privilege spec version '%s'",
- cpu->cfg.priv_spec);
- return;
- }
-
- env->priv_ver = priv_version;
- }
-}
-
static void riscv_cpu_disable_priv_spec_isa_exts(RISCVCPU *cpu)
{
CPURISCVState *env = &cpu->env;
@@ -1111,33 +1086,6 @@ static void riscv_cpu_disable_priv_spec_isa_exts(RISCVCPU *cpu)
}
}
-static void riscv_cpu_validate_misa_mxl(RISCVCPU *cpu, Error **errp)
-{
- RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(cpu);
- CPUClass *cc = CPU_CLASS(mcc);
- CPURISCVState *env = &cpu->env;
-
- /* Validate that MISA_MXL is set properly. */
- switch (env->misa_mxl_max) {
-#ifdef TARGET_RISCV64
- case MXL_RV64:
- case MXL_RV128:
- cc->gdb_core_xml_file = "riscv-64bit-cpu.xml";
- break;
-#endif
- case MXL_RV32:
- cc->gdb_core_xml_file = "riscv-32bit-cpu.xml";
- break;
- default:
- g_assert_not_reached();
- }
-
- if (env->misa_mxl_max != env->misa_mxl) {
- error_setg(errp, "misa_mxl_max must be equal to misa_mxl");
- return;
- }
-}
-
/*
* Check consistency between chosen extensions while setting
* cpu->cfg accordingly.
@@ -1511,74 +1459,6 @@ static void riscv_cpu_finalize_features(RISCVCPU *cpu, Error **errp)
#endif
}
-static void riscv_cpu_validate_misa_priv(CPURISCVState *env, Error **errp)
-{
- if (riscv_has_ext(env, RVH) && env->priv_ver < PRIV_VERSION_1_12_0) {
- error_setg(errp, "H extension requires priv spec 1.12.0");
- return;
- }
-}
-
-static void riscv_cpu_realize_tcg(DeviceState *dev, Error **errp)
-{
- RISCVCPU *cpu = RISCV_CPU(dev);
- CPURISCVState *env = &cpu->env;
- Error *local_err = NULL;
-
- if (object_dynamic_cast(OBJECT(dev), TYPE_RISCV_CPU_HOST)) {
- error_setg(errp, "'host' CPU is not compatible with TCG acceleration");
- return;
- }
-
- riscv_cpu_validate_misa_mxl(cpu, &local_err);
- if (local_err != NULL) {
- error_propagate(errp, local_err);
- return;
- }
-
- riscv_cpu_validate_priv_spec(cpu, &local_err);
- if (local_err != NULL) {
- error_propagate(errp, local_err);
- return;
- }
-
- riscv_cpu_validate_misa_priv(env, &local_err);
- if (local_err != NULL) {
- error_propagate(errp, local_err);
- return;
- }
-
- if (cpu->cfg.epmp && !cpu->cfg.pmp) {
- /*
- * Enhanced PMP should only be available
- * on harts with PMP support
- */
- error_setg(errp, "Invalid configuration: EPMP requires PMP support");
- return;
- }
-
- riscv_cpu_validate_set_extensions(cpu, &local_err);
- if (local_err != NULL) {
- error_propagate(errp, local_err);
- return;
- }
-
-#ifndef CONFIG_USER_ONLY
- CPU(dev)->tcg_cflags |= CF_PCREL;
-
- if (cpu->cfg.ext_sstc) {
- riscv_timer_init(cpu);
- }
-
- if (cpu->cfg.pmu_num) {
- if (!riscv_pmu_init(cpu, cpu->cfg.pmu_num) && cpu->cfg.ext_sscofpmf) {
- cpu->pmu_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
- riscv_pmu_timer_cb, cpu);
- }
- }
-#endif
-}
-
static void riscv_cpu_realize(DeviceState *dev, Error **errp)
{
CPUState *cs = CPU(dev);
@@ -1597,14 +1477,6 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
return;
}
- if (tcg_enabled()) {
- riscv_cpu_realize_tcg(dev, &local_err);
- if (local_err != NULL) {
- error_propagate(errp, local_err);
- return;
- }
- }
-
riscv_cpu_finalize_features(cpu, &local_err);
if (local_err != NULL) {
error_propagate(errp, local_err);
diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c
index 0326cead0d..84ad6f1daf 100644
--- a/target/riscv/tcg/tcg-cpu.c
+++ b/target/riscv/tcg/tcg-cpu.c
@@ -19,9 +19,140 @@
#include "qemu/osdep.h"
#include "cpu.h"
+#include "pmu.h"
+#include "time_helper.h"
+#include "qapi/error.h"
#include "qemu/accel.h"
#include "hw/core/accel-cpu.h"
+
+static void riscv_cpu_validate_misa_priv(CPURISCVState *env, Error **errp)
+{
+ if (riscv_has_ext(env, RVH) && env->priv_ver < PRIV_VERSION_1_12_0) {
+ error_setg(errp, "H extension requires priv spec 1.12.0");
+ return;
+ }
+}
+
+static void riscv_cpu_validate_misa_mxl(RISCVCPU *cpu, Error **errp)
+{
+ RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(cpu);
+ CPUClass *cc = CPU_CLASS(mcc);
+ CPURISCVState *env = &cpu->env;
+
+ /* Validate that MISA_MXL is set properly. */
+ switch (env->misa_mxl_max) {
+#ifdef TARGET_RISCV64
+ case MXL_RV64:
+ case MXL_RV128:
+ cc->gdb_core_xml_file = "riscv-64bit-cpu.xml";
+ break;
+#endif
+ case MXL_RV32:
+ cc->gdb_core_xml_file = "riscv-32bit-cpu.xml";
+ break;
+ default:
+ g_assert_not_reached();
+ }
+
+ if (env->misa_mxl_max != env->misa_mxl) {
+ error_setg(errp, "misa_mxl_max must be equal to misa_mxl");
+ return;
+ }
+}
+
+static void riscv_cpu_validate_priv_spec(RISCVCPU *cpu, Error **errp)
+{
+ CPURISCVState *env = &cpu->env;
+ int priv_version = -1;
+
+ if (cpu->cfg.priv_spec) {
+ if (!g_strcmp0(cpu->cfg.priv_spec, "v1.12.0")) {
+ priv_version = PRIV_VERSION_1_12_0;
+ } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.11.0")) {
+ priv_version = PRIV_VERSION_1_11_0;
+ } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.10.0")) {
+ priv_version = PRIV_VERSION_1_10_0;
+ } else {
+ error_setg(errp,
+ "Unsupported privilege spec version '%s'",
+ cpu->cfg.priv_spec);
+ return;
+ }
+
+ env->priv_ver = priv_version;
+ }
+}
+
+/*
+ * We'll get here via the following path:
+ *
+ * riscv_cpu_realize()
+ * -> cpu_exec_realizefn()
+ * -> tcg_cpu_realizefn() (via accel_cpu_realizefn())
+ */
+static bool tcg_cpu_realizefn(CPUState *cs, Error **errp)
+{
+ RISCVCPU *cpu = RISCV_CPU(cs);
+ CPURISCVState *env = &cpu->env;
+ Error *local_err = NULL;
+
+ if (object_dynamic_cast(OBJECT(cpu), TYPE_RISCV_CPU_HOST)) {
+ error_setg(errp, "'host' CPU is not compatible with TCG acceleration");
+ return false;
+ }
+
+ riscv_cpu_validate_misa_mxl(cpu, &local_err);
+ if (local_err != NULL) {
+ error_propagate(errp, local_err);
+ return false;
+ }
+
+ riscv_cpu_validate_priv_spec(cpu, &local_err);
+ if (local_err != NULL) {
+ error_propagate(errp, local_err);
+ return false;
+ }
+
+ riscv_cpu_validate_misa_priv(env, &local_err);
+ if (local_err != NULL) {
+ error_propagate(errp, local_err);
+ return false;
+ }
+
+ if (cpu->cfg.epmp && !cpu->cfg.pmp) {
+ /*
+ * Enhanced PMP should only be available
+ * on harts with PMP support
+ */
+ error_setg(errp, "Invalid configuration: EPMP requires PMP support");
+ return false;
+ }
+
+ riscv_cpu_validate_set_extensions(cpu, &local_err);
+ if (local_err != NULL) {
+ error_propagate(errp, local_err);
+ return false;
+ }
+
+#ifndef CONFIG_USER_ONLY
+ CPU(cs)->tcg_cflags |= CF_PCREL;
+
+ if (cpu->cfg.ext_sstc) {
+ riscv_timer_init(cpu);
+ }
+
+ if (cpu->cfg.pmu_num) {
+ if (!riscv_pmu_init(cpu, cpu->cfg.pmu_num) && cpu->cfg.ext_sscofpmf) {
+ cpu->pmu_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
+ riscv_pmu_timer_cb, cpu);
+ }
+ }
+#endif
+
+ return true;
+}
+
static void tcg_cpu_init_ops(AccelCPUClass *accel_cpu, CPUClass *cc)
{
/*
@@ -41,6 +172,7 @@ static void tcg_cpu_accel_class_init(ObjectClass *oc, void *data)
AccelCPUClass *acc = ACCEL_CPU_CLASS(oc);
acc->cpu_class_init = tcg_cpu_class_init;
+ acc->cpu_realizefn = tcg_cpu_realizefn;
}
static const TypeInfo tcg_cpu_accel_type_info = {
--
2.41.0
On 2023/9/6 17:16, Daniel Henrique Barboza wrote:
> riscv_cpu_realize_tcg() was added to allow TCG cpus to have a different
> realize() path during the common riscv_cpu_realize(), making it a good
> choice to start moving TCG exclusive code to tcg-cpu.c.
>
> Rename it to tcg_cpu_realizefn() and assign it as a implementation of
> accel::cpu_realizefn(). tcg_cpu_realizefn() will then be called during
> riscv_cpu_realize() via cpu_exec_realizefn(). We'll use a similar
> approach with KVM in the near future.
>
> riscv_cpu_validate_set_extensions() is too big and with too many
> dependencies to be moved in this same patch. We'll do that next.
>
> Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
> Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Zhiwei
> ---
> target/riscv/cpu.c | 128 -----------------------------------
> target/riscv/tcg/tcg-cpu.c | 132 +++++++++++++++++++++++++++++++++++++
> 2 files changed, 132 insertions(+), 128 deletions(-)
>
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index 2c6972fa0d..59785f5d9a 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -23,9 +23,7 @@
> #include "qemu/log.h"
> #include "cpu.h"
> #include "cpu_vendorid.h"
> -#include "pmu.h"
> #include "internals.h"
> -#include "time_helper.h"
> #include "exec/exec-all.h"
> #include "qapi/error.h"
> #include "qapi/visitor.h"
> @@ -1064,29 +1062,6 @@ static void riscv_cpu_validate_v(CPURISCVState *env, RISCVCPUConfig *cfg,
> }
> }
>
> -static void riscv_cpu_validate_priv_spec(RISCVCPU *cpu, Error **errp)
> -{
> - CPURISCVState *env = &cpu->env;
> - int priv_version = -1;
> -
> - if (cpu->cfg.priv_spec) {
> - if (!g_strcmp0(cpu->cfg.priv_spec, "v1.12.0")) {
> - priv_version = PRIV_VERSION_1_12_0;
> - } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.11.0")) {
> - priv_version = PRIV_VERSION_1_11_0;
> - } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.10.0")) {
> - priv_version = PRIV_VERSION_1_10_0;
> - } else {
> - error_setg(errp,
> - "Unsupported privilege spec version '%s'",
> - cpu->cfg.priv_spec);
> - return;
> - }
> -
> - env->priv_ver = priv_version;
> - }
> -}
> -
> static void riscv_cpu_disable_priv_spec_isa_exts(RISCVCPU *cpu)
> {
> CPURISCVState *env = &cpu->env;
> @@ -1111,33 +1086,6 @@ static void riscv_cpu_disable_priv_spec_isa_exts(RISCVCPU *cpu)
> }
> }
>
> -static void riscv_cpu_validate_misa_mxl(RISCVCPU *cpu, Error **errp)
> -{
> - RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(cpu);
> - CPUClass *cc = CPU_CLASS(mcc);
> - CPURISCVState *env = &cpu->env;
> -
> - /* Validate that MISA_MXL is set properly. */
> - switch (env->misa_mxl_max) {
> -#ifdef TARGET_RISCV64
> - case MXL_RV64:
> - case MXL_RV128:
> - cc->gdb_core_xml_file = "riscv-64bit-cpu.xml";
> - break;
> -#endif
> - case MXL_RV32:
> - cc->gdb_core_xml_file = "riscv-32bit-cpu.xml";
> - break;
> - default:
> - g_assert_not_reached();
> - }
> -
> - if (env->misa_mxl_max != env->misa_mxl) {
> - error_setg(errp, "misa_mxl_max must be equal to misa_mxl");
> - return;
> - }
> -}
> -
> /*
> * Check consistency between chosen extensions while setting
> * cpu->cfg accordingly.
> @@ -1511,74 +1459,6 @@ static void riscv_cpu_finalize_features(RISCVCPU *cpu, Error **errp)
> #endif
> }
>
> -static void riscv_cpu_validate_misa_priv(CPURISCVState *env, Error **errp)
> -{
> - if (riscv_has_ext(env, RVH) && env->priv_ver < PRIV_VERSION_1_12_0) {
> - error_setg(errp, "H extension requires priv spec 1.12.0");
> - return;
> - }
> -}
> -
> -static void riscv_cpu_realize_tcg(DeviceState *dev, Error **errp)
> -{
> - RISCVCPU *cpu = RISCV_CPU(dev);
> - CPURISCVState *env = &cpu->env;
> - Error *local_err = NULL;
> -
> - if (object_dynamic_cast(OBJECT(dev), TYPE_RISCV_CPU_HOST)) {
> - error_setg(errp, "'host' CPU is not compatible with TCG acceleration");
> - return;
> - }
> -
> - riscv_cpu_validate_misa_mxl(cpu, &local_err);
> - if (local_err != NULL) {
> - error_propagate(errp, local_err);
> - return;
> - }
> -
> - riscv_cpu_validate_priv_spec(cpu, &local_err);
> - if (local_err != NULL) {
> - error_propagate(errp, local_err);
> - return;
> - }
> -
> - riscv_cpu_validate_misa_priv(env, &local_err);
> - if (local_err != NULL) {
> - error_propagate(errp, local_err);
> - return;
> - }
> -
> - if (cpu->cfg.epmp && !cpu->cfg.pmp) {
> - /*
> - * Enhanced PMP should only be available
> - * on harts with PMP support
> - */
> - error_setg(errp, "Invalid configuration: EPMP requires PMP support");
> - return;
> - }
> -
> - riscv_cpu_validate_set_extensions(cpu, &local_err);
> - if (local_err != NULL) {
> - error_propagate(errp, local_err);
> - return;
> - }
> -
> -#ifndef CONFIG_USER_ONLY
> - CPU(dev)->tcg_cflags |= CF_PCREL;
> -
> - if (cpu->cfg.ext_sstc) {
> - riscv_timer_init(cpu);
> - }
> -
> - if (cpu->cfg.pmu_num) {
> - if (!riscv_pmu_init(cpu, cpu->cfg.pmu_num) && cpu->cfg.ext_sscofpmf) {
> - cpu->pmu_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
> - riscv_pmu_timer_cb, cpu);
> - }
> - }
> -#endif
> -}
> -
> static void riscv_cpu_realize(DeviceState *dev, Error **errp)
> {
> CPUState *cs = CPU(dev);
> @@ -1597,14 +1477,6 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
> return;
> }
>
> - if (tcg_enabled()) {
> - riscv_cpu_realize_tcg(dev, &local_err);
> - if (local_err != NULL) {
> - error_propagate(errp, local_err);
> - return;
> - }
> - }
> -
> riscv_cpu_finalize_features(cpu, &local_err);
> if (local_err != NULL) {
> error_propagate(errp, local_err);
> diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c
> index 0326cead0d..84ad6f1daf 100644
> --- a/target/riscv/tcg/tcg-cpu.c
> +++ b/target/riscv/tcg/tcg-cpu.c
> @@ -19,9 +19,140 @@
>
> #include "qemu/osdep.h"
> #include "cpu.h"
> +#include "pmu.h"
> +#include "time_helper.h"
> +#include "qapi/error.h"
> #include "qemu/accel.h"
> #include "hw/core/accel-cpu.h"
>
> +
> +static void riscv_cpu_validate_misa_priv(CPURISCVState *env, Error **errp)
> +{
> + if (riscv_has_ext(env, RVH) && env->priv_ver < PRIV_VERSION_1_12_0) {
> + error_setg(errp, "H extension requires priv spec 1.12.0");
> + return;
> + }
> +}
> +
> +static void riscv_cpu_validate_misa_mxl(RISCVCPU *cpu, Error **errp)
> +{
> + RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(cpu);
> + CPUClass *cc = CPU_CLASS(mcc);
> + CPURISCVState *env = &cpu->env;
> +
> + /* Validate that MISA_MXL is set properly. */
> + switch (env->misa_mxl_max) {
> +#ifdef TARGET_RISCV64
> + case MXL_RV64:
> + case MXL_RV128:
> + cc->gdb_core_xml_file = "riscv-64bit-cpu.xml";
> + break;
> +#endif
> + case MXL_RV32:
> + cc->gdb_core_xml_file = "riscv-32bit-cpu.xml";
> + break;
> + default:
> + g_assert_not_reached();
> + }
> +
> + if (env->misa_mxl_max != env->misa_mxl) {
> + error_setg(errp, "misa_mxl_max must be equal to misa_mxl");
> + return;
> + }
> +}
> +
> +static void riscv_cpu_validate_priv_spec(RISCVCPU *cpu, Error **errp)
> +{
> + CPURISCVState *env = &cpu->env;
> + int priv_version = -1;
> +
> + if (cpu->cfg.priv_spec) {
> + if (!g_strcmp0(cpu->cfg.priv_spec, "v1.12.0")) {
> + priv_version = PRIV_VERSION_1_12_0;
> + } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.11.0")) {
> + priv_version = PRIV_VERSION_1_11_0;
> + } else if (!g_strcmp0(cpu->cfg.priv_spec, "v1.10.0")) {
> + priv_version = PRIV_VERSION_1_10_0;
> + } else {
> + error_setg(errp,
> + "Unsupported privilege spec version '%s'",
> + cpu->cfg.priv_spec);
> + return;
> + }
> +
> + env->priv_ver = priv_version;
> + }
> +}
> +
> +/*
> + * We'll get here via the following path:
> + *
> + * riscv_cpu_realize()
> + * -> cpu_exec_realizefn()
> + * -> tcg_cpu_realizefn() (via accel_cpu_realizefn())
> + */
> +static bool tcg_cpu_realizefn(CPUState *cs, Error **errp)
> +{
> + RISCVCPU *cpu = RISCV_CPU(cs);
> + CPURISCVState *env = &cpu->env;
> + Error *local_err = NULL;
> +
> + if (object_dynamic_cast(OBJECT(cpu), TYPE_RISCV_CPU_HOST)) {
> + error_setg(errp, "'host' CPU is not compatible with TCG acceleration");
> + return false;
> + }
> +
> + riscv_cpu_validate_misa_mxl(cpu, &local_err);
> + if (local_err != NULL) {
> + error_propagate(errp, local_err);
> + return false;
> + }
> +
> + riscv_cpu_validate_priv_spec(cpu, &local_err);
> + if (local_err != NULL) {
> + error_propagate(errp, local_err);
> + return false;
> + }
> +
> + riscv_cpu_validate_misa_priv(env, &local_err);
> + if (local_err != NULL) {
> + error_propagate(errp, local_err);
> + return false;
> + }
> +
> + if (cpu->cfg.epmp && !cpu->cfg.pmp) {
> + /*
> + * Enhanced PMP should only be available
> + * on harts with PMP support
> + */
> + error_setg(errp, "Invalid configuration: EPMP requires PMP support");
> + return false;
> + }
> +
> + riscv_cpu_validate_set_extensions(cpu, &local_err);
> + if (local_err != NULL) {
> + error_propagate(errp, local_err);
> + return false;
> + }
> +
> +#ifndef CONFIG_USER_ONLY
> + CPU(cs)->tcg_cflags |= CF_PCREL;
> +
> + if (cpu->cfg.ext_sstc) {
> + riscv_timer_init(cpu);
> + }
> +
> + if (cpu->cfg.pmu_num) {
> + if (!riscv_pmu_init(cpu, cpu->cfg.pmu_num) && cpu->cfg.ext_sscofpmf) {
> + cpu->pmu_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
> + riscv_pmu_timer_cb, cpu);
> + }
> + }
> +#endif
> +
> + return true;
> +}
> +
> static void tcg_cpu_init_ops(AccelCPUClass *accel_cpu, CPUClass *cc)
> {
> /*
> @@ -41,6 +172,7 @@ static void tcg_cpu_accel_class_init(ObjectClass *oc, void *data)
> AccelCPUClass *acc = ACCEL_CPU_CLASS(oc);
>
> acc->cpu_class_init = tcg_cpu_class_init;
> + acc->cpu_realizefn = tcg_cpu_realizefn;
> }
>
> static const TypeInfo tcg_cpu_accel_type_info = {
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