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cpu: Assert DeviceClass::vmsd is NULL on user emulation

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Migration is specific to system emulation.

Restrict current DeviceClass::vmsd to sysemu using #ifdef'ry,
and assert in cpu_exec_realizefn() that dc->vmsd not set under
user emulation.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210517105140.1062037-12-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2021-05-17 12:51:28 +02:00 • committed by Richard Henderson
parent 65c57115df
commit 4336073b9b
3 changed files with 8 additions and 3 deletions
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5
target/sh4/cpu.c
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@ -218,10 +218,12 @@ static void superh_cpu_initfn(Object *obj)
env->movcal_backup_tail = &(env->movcal_backup);
}
#ifndef CONFIG_USER_ONLY
static const VMStateDescription vmstate_sh_cpu = {
.name = "cpu",
.unmigratable = 1,
};
#endif
#include "hw/core/tcg-cpu-ops.h"
@ -257,12 +259,11 @@ static void superh_cpu_class_init(ObjectClass *oc, void *data)
cc->gdb_write_register = superh_cpu_gdb_write_register;
#ifndef CONFIG_USER_ONLY
cc->get_phys_page_debug = superh_cpu_get_phys_page_debug;
dc->vmsd = &vmstate_sh_cpu;
#endif
cc->disas_set_info = superh_cpu_disas_set_info;
cc->gdb_num_core_regs = 59;
dc->vmsd = &vmstate_sh_cpu;
cc->tcg_ops = &superh_tcg_ops;
}