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[PATCH v3 15/17] target/arm: Advertise all page sizes for -cpu max


From: Richard Henderson
Subject: [PATCH v3 15/17] target/arm: Advertise all page sizes for -cpu max
Date: Wed, 23 Feb 2022 12:31:35 -1000

We support 16k pages, but do not advertize that in ID_AA64MMFR0.

The value 0 in the TGRAN*_2 fields indicates that stage2 lookups defer
to the same support as stage1 lookups.  This setting is deprecated, so
indicate support for all stage2 page sizes directly.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/cpu64.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index d88662cef6..2fdc16bf18 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -796,6 +796,10 @@ static void aarch64_max_initfn(Object *obj)
 
     t = cpu->isar.id_aa64mmfr0;
     t = FIELD_DP64(t, ID_AA64MMFR0, PARANGE, 6); /* FEAT_LPA: 52 bits */
+    t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN16, 1);   /* 16k pages supported */
+    t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN16_2, 2); /* 16k stage2 supported */
+    t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN64_2, 2); /* 64k stage2 supported */
+    t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN4_2, 2);  /*  4k stage2 supported */
     cpu->isar.id_aa64mmfr0 = t;
 
     t = cpu->isar.id_aa64mmfr1;
-- 
2.25.1




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