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Fix readme doc for new dcap or in-tree kernel driver

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Reference:
[1] f1fcf9175d/psw/urts/linux/edmm_utility.cpp (L89)
[2] https://www.kernel.org/doc/html/v5.11/x86/sgx.html#enclave-build-functions
This commit is contained in:
Hui, Chunyang 2021-06-23 08:40:02 +00:00 committed by Zongmin.Gu
parent 6ff50da5be
commit 8cbd2c5123
1 changed files with 16 additions and 3 deletions
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README.md
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@ -208,9 +208,22 @@ Step 1-3 are to be done on the host OS (Linux):
docker run -it --device /dev/isgx occlum/occlum:[version]-ubuntu18.04
```
For new DCAP driver:
For DCAP driver before v1.41:
```bash
docker run -it --device /dev/sgx/enclave occlum/occlum:[version]-ubuntu18.04
docker run -it --device /dev/sgx/enclave --device /dev/sgx/provision occlum/occlum:[version]-ubuntu18.04
```
For DCAP driver since v1.41 or in-tree kernel driver:
```bash
# Two methods:
# (1) Create softlinks on host
mkdir -p /dev/sgx
ln -sf ../sgx_enclave /dev/sgx/enclave
ln -sf ../sgx_provision /dev/sgx/provision
docker run -it --device /dev/sgx/enclave --device /dev/sgx/provision occlum/occlum:[version]-ubuntu18.04
# (2) Create the docker with privileged mode
docker run -it --privileged -v /dev/sgx_enclave:/dev/sgx/enclave -v /dev/sgx_provision:/dev/sgx/provision occlum/occlum:[version]-ubuntu18.04
```
Step 4-5 are to be done on the guest OS running inside the Docker container: