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xen/arm: gic: GICv2 & GICv3 only supports 1020 physical interrupts
authorJulien Grall <julien.grall@linaro.org>
Wed, 1 Apr 2015 16:21:47 +0000 (17:21 +0100)
committerIan Campbell <ian.campbell@citrix.com>
Thu, 2 Apr 2015 09:42:35 +0000 (10:42 +0100)
commit2fd01bece8031082a4fe65fdabdfe9896aabed2a
treeff95403cce85bf8f199c9ba3560cff9a8714880etree | snapshot
parente7153f3775ed26554abbb1994832d096938f1b8acommit | diff
xen/arm: gic: GICv2 & GICv3 only supports 1020 physical interrupts

GICD_TYPER.ITLinesNumber can encode up to 1024 interrupts. Although,
IRQ 1020-1023 are reserved for special purpose.

The result is used by the callers of gic_number_lines in order to check
the validity of an IRQ.

Signed-off-by: Julien Grall <julien.grall@linaro.org>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Frediano Ziglio <frediano.ziglio@huawei.com>
Cc: Zoltan Kiss <zoltan.kiss@huawei.com>
xen/arch/arm/gic-v2.c diff | blob | history
xen/arch/arm/gic-v3.c diff | blob | history
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