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authorGiacomo Travaglini <giacomo.travaglini@arm.com>2019-04-30 17:16:19 +0100
committerGiacomo Travaglini <giacomo.travaglini@arm.com>2019-05-02 14:42:42 +0000
commit3762721456700d721ec5dbbc09c74d89e3377537 (patch)
treeaf6f0ab5dac47184f0e3a75795ffe692f0652f50 /src
parent5c891178b9e96df79bf03ccd758747b20dc2654e (diff)
downloadgem5-3762721456700d721ec5dbbc09c74d89e3377537.tar.xz
dev-arm: Add named variable for GICD_TYPER.IDBits
This could be used by other GICv3 components to query the maximum number of implemented interrupt identifiers Change-Id: I132e50de331aea22523260bcefba7e961b53eccd Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/18599 Maintainer: Andreas Sandberg <andreas.sandberg@arm.com> Tested-by: kokoro <noreply+kokoro@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/dev/arm/gic_v3_distributor.cc2
-rw-r--r--src/dev/arm/gic_v3_distributor.hh1
2 files changed, 2 insertions, 1 deletions
diff --git a/src/dev/arm/gic_v3_distributor.cc b/src/dev/arm/gic_v3_distributor.cc
index f261b295b..a048d18f1 100644
--- a/src/dev/arm/gic_v3_distributor.cc
+++ b/src/dev/arm/gic_v3_distributor.cc
@@ -472,7 +472,7 @@ Gicv3Distributor::read(Addr addr, size_t size, bool is_secure_access)
{
int max_spi_int_id = itLines - 1;
int it_lines_number = ceil((max_spi_int_id + 1) / 32.0) - 1;
- return (1 << 26) | (1 << 25) | (1 << 24) | (0xf << 19) |
+ return (1 << 26) | (1 << 25) | (1 << 24) | (IDBITS << 19) |
(1 << 17) | (gic->getSystem()->haveSecurity() << 10) |
(it_lines_number << 0);
}
diff --git a/src/dev/arm/gic_v3_distributor.hh b/src/dev/arm/gic_v3_distributor.hh
index 86e53a3b6..c2314389b 100644
--- a/src/dev/arm/gic_v3_distributor.hh
+++ b/src/dev/arm/gic_v3_distributor.hh
@@ -140,6 +140,7 @@ class Gicv3Distributor : public Serializable
public:
static const uint32_t ADDR_RANGE_SIZE = 0x10000;
+ static const uint32_t IDBITS = 0xf;
protected: