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authorJakub Luzny <jakub@luzny.cz>2020-08-12 12:57:57 +0200
committerJakub Luzny <jakub@luzny.cz>2020-08-18 17:45:34 +0200
commit39872b4742c0f3868a9a4b1b16e2be66f0e754a5 (patch)
tree4201d73e58ae44b6a099f47f77bb9475168ad45b /meta-agl-jailhouse/README.md
parent3f6d193683449a323a3f1d689540ab697d3d7980 (diff)
meta-agl-jailhouse: Add support for RPi4 with 2G/4G/8G of memoryjellyfish_9.99.3jellyfish/9.99.39.99.3
The Jailhouse configuration files had to be modified to append the additional memory regions present on the higher mem variants of the RPi4. To avoid the use of mem= kernel parameter to fix the memory that can be used by the root cell, a device tree overlay with reserved-memory nodes is used instead. To avoid conflict with the GPU memory, the memory region used for Jailhouse and the non-root cells was moved from 0x30000000 to 0x20000000. Bug-AGL: SPEC-3507 Signed-off-by: Jakub Luzny <jakub@luzny.cz> Change-Id: Iabd67504c3df0349dd62e45f12d1019de14328f1
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@@ -33,8 +33,7 @@ This layer depends on:
## Supported targets
* Raspberry Pi 4
- * Currently only the 1 GB RAM variant. The other ones will work too,
- but will be limited to 1 GB of memory.
+ * All (1G-8G) memory variants. But note that there is 256M reserved for Jailhouse and 256MiB for GPU in AGL, so the smaller variants are not recommended.
* QEMU x86-64
* Work in progress. Requires KVM. Nested virtualization must be enabled on the host. Currently, the right configuration of QEMU and Jailhouse to work out-of-box is being worked on.