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target/xtensa: implement disassembler

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Add disas/xtensa.c and use libisa for instruction decoding/opcode name
lookup.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2017-10-31 16:17:43 -07:00
parent c5ac936e5e
commit 5a6539e627
5 changed files with 145 additions and 0 deletions
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9
target/xtensa/cpu.c
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@ -93,6 +93,14 @@ static ObjectClass *xtensa_cpu_class_by_name(const char *cpu_model)
return oc;
}
static void xtensa_cpu_disas_set_info(CPUState *cs, disassemble_info *info)
{
XtensaCPU *cpu = XTENSA_CPU(cs);
info->private_data = cpu->env.config->isa;
info->print_insn = print_insn_xtensa;
}
static void xtensa_cpu_realizefn(DeviceState *dev, Error **errp)
{
CPUState *cs = CPU(dev);
@ -164,6 +172,7 @@ static void xtensa_cpu_class_init(ObjectClass *oc, void *data)
cc->do_unassigned_access = xtensa_cpu_do_unassigned_access;
#endif
cc->debug_excp_handler = xtensa_breakpoint_handler;
cc->disas_set_info = xtensa_cpu_disas_set_info;
cc->tcg_initialize = xtensa_translate_init;
dc->vmsd = &vmstate_xtensa_cpu;
}