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authorMin Le <lemin.lm@antgroup.com>2020-09-22 16:45:10 +0800
committerMin Le <lemin.lm@antgroup.com>2020-10-08 20:33:09 +0800
commit190cf30e41cdd7b23d53d86024afeabbcd92a0db (patch)
tree795dec4c0422464826a15ced8633988dc8546db7 /pkg/sentry/platform/kvm
parenta38f1d145797b307afc34985533f3b9208eacc7d (diff)
arm64: the mair_el1 value is wrong
the correct value needed is 0xbbff440c0400 but the const defined is 0x000000000000ffc0 due to the operator error in _MT_EL1_INIT, both kernel and user space memory attribute should be Normal memory not DEVICE_nGnRE Signed-off-by: Min Le <lemin.lm@antgroup.com>
Diffstat (limited to 'pkg/sentry/platform/kvm')
-rw-r--r--pkg/sentry/platform/kvm/kvm_const_arm64.go21
1 files changed, 14 insertions, 7 deletions
diff --git a/pkg/sentry/platform/kvm/kvm_const_arm64.go b/pkg/sentry/platform/kvm/kvm_const_arm64.go
index 9a7be3655..84df0f878 100644
--- a/pkg/sentry/platform/kvm/kvm_const_arm64.go
+++ b/pkg/sentry/platform/kvm/kvm_const_arm64.go
@@ -101,13 +101,20 @@ const (
// Arm64: Memory Attribute Indirection Register EL1.
const (
- _MT_DEVICE_nGnRnE = 0
- _MT_DEVICE_nGnRE = 1
- _MT_DEVICE_GRE = 2
- _MT_NORMAL_NC = 3
- _MT_NORMAL = 4
- _MT_NORMAL_WT = 5
- _MT_EL1_INIT = (0 << _MT_DEVICE_nGnRnE) | (0x4 << _MT_DEVICE_nGnRE * 8) | (0xc << _MT_DEVICE_GRE * 8) | (0x44 << _MT_NORMAL_NC * 8) | (0xff << _MT_NORMAL * 8) | (0xbb << _MT_NORMAL_WT * 8)
+ _MT_DEVICE_nGnRnE = 0
+ _MT_DEVICE_nGnRE = 1
+ _MT_DEVICE_GRE = 2
+ _MT_NORMAL_NC = 3
+ _MT_NORMAL = 4
+ _MT_NORMAL_WT = 5
+ _MT_ATTR_DEVICE_nGnRnE = 0x00
+ _MT_ATTR_DEVICE_nGnRE = 0x04
+ _MT_ATTR_DEVICE_GRE = 0x0c
+ _MT_ATTR_NORMAL_NC = 0x44
+ _MT_ATTR_NORMAL_WT = 0xbb
+ _MT_ATTR_NORMAL = 0xff
+ _MT_ATTR_MASK = 0xff
+ _MT_EL1_INIT = (_MT_ATTR_DEVICE_nGnRnE << (_MT_DEVICE_nGnRnE * 8)) | (_MT_ATTR_DEVICE_nGnRE << (_MT_DEVICE_nGnRE * 8)) | (_MT_ATTR_DEVICE_GRE << (_MT_DEVICE_GRE * 8)) | (_MT_ATTR_NORMAL_NC << (_MT_NORMAL_NC * 8)) | (_MT_ATTR_NORMAL << (_MT_NORMAL * 8)) | (_MT_ATTR_NORMAL_WT << (_MT_NORMAL_WT * 8))
)
const (