Use liberpal-skeleton-v${SKELETON_PAL_VERSION}.so to replace liberpal-skeleton.so in README.
Signed-off-by: NYilin Li <YiLin.Li@linux.alibaba.com>

Reformat spec_v1.md and spec_v2.md
Signed-off-by: NShirong Hao <shirong@linux.alibaba.com>

Signed-off-by: NShirong Hao <shirong@linux.alibaba.com>

Leave v1 implementation in a separate file.
Signed-off-by: NShirong Hao <shirong@linux.alibaba.com>

This argument is used to test whether enclave share mapping between
parent and child process is usable.
Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

In the GNU C Library, "major" is defined by <sys/sysmacros.h> starting from glibc-2.25,
the macros major and minor are only available in <sys/sysmacros.h>. This fix is for historical compatibility.
Signed-off-by: NLiang Yang <liang3.yang@intel.com>

Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

There are still lots of SGX1 machines without FLC support deployed
in filed. These machines eventually needs to be migrated to be supported
by SGX in-tree driver which is product-ready and well-maintained.

This patch targets to address the gap between SGX1 machine and SGX
in-tree driver.
Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

SGX in-tree driver has a different way to go agains SGX out-of-tree
driver. The enclave range is mapped to EPC memory after executing
EINIT, so the anonymous mapping occupying enclave range must be done
early instead of creating it based on the fd of /dev/isgx.
Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

Use st_rdev to retrieve the major number of device.
Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

Signed-off-by: NYilin Li <YiLin.Li@linux.alibaba.com>

Signed-off-by: NYilin Li <YiLin.Li@linux.alibaba.com>

Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

Signed-off-by: Nshirong <shirong@linux.alibaba.com>
Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

Signed-off-by: Nshirong <shirong@linux.alibaba.com>

Signed-off-by: NYilin Li <YiLin.Li@linux.alibaba.com>

Signed-off-by: NTianjia Zhang <tianjia.zhang@linux.alibaba.com>

Signed-off-by: NYilin Li <YiLin.Li@linux.alibaba.com>

Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

- Add docs/running_rune_with_occlum_bundle.md
- Remove docs/running_rune_with_docker.md
- Update skeleton README.md to add way to run rune with skeleton bundle
- Update README.md of inclavare-containers
- Add docs/running_rune_with_occlum.md
Signed-off-by: NYilin Li <YiLin.Li@linux.alibaba.com>

Signed-off-by: Njack.wxz <wangxiaozhe@linux.alibaba.com>

Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

1. Add way to build and install rune.
2. Add way to configure rune to Docker runtimes.
Signed-off-by: NYilin Li <YiLin.Li@linux.alibaba.com>

Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

This API is not defined in v1 at all.
Signed-off-by: NTianjia Zhang <tianjia.zhang@linux.alibaba.com>

Signed-off-by: Njack.wxz <wangxiaozhe@linux.alibaba.com>
Signed-off-by: NTianjia Zhang <tianjia.zhang@linux.alibaba.com>

In order to implement more ecall functions, it is necessary to
implement a general sgx entry point with ecall number to
corresponding ecall handler.
Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

Currently, PAL API only implements v1.
Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>

Use unified API symbols starting with 'pal_'.
Signed-off-by: Njack.wxz <wangxiaozhe@linux.alibaba.com>
Signed-off-by: NTianjia Zhang <tianjia.zhang@linux.alibaba.com>

Instead loading enclave runtime in container, rune should always load it at bootstrap,
in order to avoid dlopen issue.
Signed-off-by: NTianjia Zhang <tianjia.zhang@linux.alibaba.com>

This new implementation inspires the design of https://github.com/jsakkine-intel/linux-sgx/tree/next/tools/testing/selftests/x86/sgx, which is a real enclave runtime.
Signed-off-by: Njack.wxz <wangxiaozhe@linux.alibaba.com>

Instead using the hard code "off".
Signed-off-by: NYilin Li <YiLin.Li@linux.alibaba.com>

The prototype declaration of pal_init() is wrong, this is a
copy-paste error, this patch fixes it.
Signed-off-by: NTianjia Zhang <tianjia.zhang@linux.alibaba.com>