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target/arm: Implement the ARMv8.2-AA32HPD extension

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The bulk of the work here, beyond base HPD, is defining the
TTBCR2 register.  In addition we must check TTBCR.T2E, which
is not present (RES0) for AArch64.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181203203839.757-11-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2018-12-13 13:48:07 +00:00 • committed by Peter Maydell
parent 037c13c590
commit ab638a328f
3 changed files with 42 additions and 8 deletions
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4
target/arm/cpu.c
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@ -1932,6 +1932,10 @@ static void arm_max_initfn(Object *obj)
t = cpu->isar.id_isar6;
t = FIELD_DP32(t, ID_ISAR6, DP, 1);
cpu->isar.id_isar6 = t;
t = cpu->id_mmfr4;
t = FIELD_DP32(t, ID_MMFR4, HPDS, 1); /* AA32HPD */
cpu->id_mmfr4 = t;
}
#endif
}