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target/xtensa: don't specify windowed registers manually

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Use libisa to extract whether opcode uses windowed registers and
construct mask based on that. This only leaves special case for the
'entry' opcode, as it needs to probe a register dynamically.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2019-02-09 18:30:00 -08:00
parent 571a7e34f9
commit fe7869d69c
3 changed files with 12 additions and 484 deletions
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2
target/xtensa/cpu.h
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@ -380,7 +380,6 @@ typedef struct XtensaOpcodeOps {
XtensaOpcodeUintTest test_overflow; XtensaOpcodeUintTest test_overflow;
const uint32_t *par; const uint32_t *par;
uint32_t op_flags; uint32_t op_flags;
uint32_t windowed_register_op;
uint32_t coprocessor; uint32_t coprocessor;
} XtensaOpcodeOps; } XtensaOpcodeOps;
@ -438,6 +437,7 @@ struct XtensaConfig {
xtensa_isa isa; xtensa_isa isa;
XtensaOpcodeOps **opcode_ops; XtensaOpcodeOps **opcode_ops;
const XtensaOpcodeTranslators **opcode_translators; const XtensaOpcodeTranslators **opcode_translators;
xtensa_regfile a_regfile;
uint32_t clock_freq_khz; uint32_t clock_freq_khz;

1
target/xtensa/helper.c
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@ -88,6 +88,7 @@ static void init_libisa(XtensaConfig *config)
#endif #endif
config->opcode_ops[i] = ops; config->opcode_ops[i] = ops;
} }
config->a_regfile = xtensa_regfile_lookup(config->isa, "AR");
} }
void xtensa_finalize_config(XtensaConfig *config) void xtensa_finalize_config(XtensaConfig *config)

493
target/xtensa/translate.c
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