SHM Bridge
configname: CONFIG_QCOM_TZMEM_MODE_SHMBRIDGE
TrustZone interface memory allocator mode
└─>SHM Bridge
In linux kernel since version 4.19.325 (release Date: 2024-12-05)
Use Qualcomm Shared Memory Bridge. The memory has the same alignment as
in the 'Generic' allocator but is also explicitly marked as an SHM Bridge
buffer.
With this selected, all buffers passed to the TrustZone must be allocated
using the TZMem allocator or else the TrustZone will refuse to use them.
in the 'Generic' allocator but is also explicitly marked as an SHM Bridge
buffer.
With this selected, all buffers passed to the TrustZone must be allocated
using the TZMem allocator or else the TrustZone will refuse to use them.