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target/arm: Add array for supported PMU events, generate PMCEID[01]_EL0

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This commit doesn't add any supported events, but provides the framework
for adding them. We store the pm_event structs in a simple array, and
provide the mapping from the event numbers to array indexes in the
supported_event_map array. Because the value of PMCEID[01] depends upon
which events are supported at runtime, generate it dynamically.

Signed-off-by: Aaron Lindsay <alindsay@codeaurora.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20181211151945.29137-10-aaron@os.amperecomputing.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Aaron Lindsay 2019-01-21 10:23:14 +00:00 • committed by Peter Maydell
parent cad8673744
commit 57a4a11b2b
4 changed files with 79 additions and 11 deletions
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4
target/arm/cpu64.c
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@ -138,8 +138,6 @@ static void aarch64_a57_initfn(Object *obj)
cpu->isar.id_isar6 = 0;
cpu->isar.id_aa64pfr0 = 0x00002222;
cpu->id_aa64dfr0 = 0x10305106;
cpu->pmceid0 = 0x00000000;
cpu->pmceid1 = 0x00000000;
cpu->isar.id_aa64isar0 = 0x00011120;
cpu->isar.id_aa64mmfr0 = 0x00001124;
cpu->dbgdidr = 0x3516d000;
@ -246,8 +244,6 @@ static void aarch64_a72_initfn(Object *obj)
cpu->isar.id_isar5 = 0x00011121;
cpu->isar.id_aa64pfr0 = 0x00002222;
cpu->id_aa64dfr0 = 0x10305106;
cpu->pmceid0 = 0x00000000;
cpu->pmceid1 = 0x00000000;
cpu->isar.id_aa64isar0 = 0x00011120;
cpu->isar.id_aa64mmfr0 = 0x00001124;
cpu->dbgdidr = 0x3516d000;