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target/arm: Add PSTATE.BTYPE

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Place this in its own field within ENV, as that will
make it easier to reset from within TCG generated code.

With the change to pstate_read/write, exception entry
and return are automatically handled.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190128223118.5255-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2019-02-05 16:52:36 +00:00 • committed by Peter Maydell
parent be53b6f4d7
commit f6e52eaac1
2 changed files with 9 additions and 2 deletions
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3
target/arm/translate-a64.c
View file

@ -163,6 +163,9 @@ void aarch64_cpu_dump_state(CPUState *cs, FILE *f,
el,
psr & PSTATE_SP ? 'h' : 't');
if (cpu_isar_feature(aa64_bti, cpu)) {
cpu_fprintf(f, " BTYPE=%d", (psr & PSTATE_BTYPE) >> 10);
}
if (!(flags & CPU_DUMP_FPU)) {
cpu_fprintf(f, "\n");
return;