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authorReinette Chatre <reinette.chatre@intel.com>2021-11-15 21:35:26 +0300
committerDave Hansen <dave.hansen@linux.intel.com>2021-11-15 22:34:16 +0300
commit688542e29fae655a8be25832f6a9959bdd308dd8 (patch)
treeec600b5f486bac0ae297a0d2787657f34c2e668c /tools/testing/selftests/sgx/test_encl.c
parent26e688f1263a3c226f3bb5e3441c310ae11e8001 (diff)
downloadlinux-688542e29fae655a8be25832f6a9959bdd308dd8.tar.xz
selftests/sgx: Add test for multiple TCS entry
Each thread executing in an enclave is associated with a Thread Control Structure (TCS). The SGX test enclave contains two hardcoded TCS, thus supporting two threads in the enclave. Add a test to ensure it is possible to enter enclave at both entrypoints. Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Acked-by: Dave Hansen <dave.hansen@linux.intel.com> Link: https://lkml.kernel.org/r/7be151a57b4c7959a2364753b995e0006efa3da1.1636997631.git.reinette.chatre@intel.com
Diffstat (limited to 'tools/testing/selftests/sgx/test_encl.c')
-rw-r--r--tools/testing/selftests/sgx/test_encl.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/testing/selftests/sgx/test_encl.c b/tools/testing/selftests/sgx/test_encl.c
index 5d86e3e6456a..4fca01cfd898 100644
--- a/tools/testing/selftests/sgx/test_encl.c
+++ b/tools/testing/selftests/sgx/test_encl.c
@@ -49,6 +49,11 @@ static void do_encl_op_get_from_addr(void *_op)
memcpy(&op->value, (void *)op->addr, 8);
}
+static void do_encl_op_nop(void *_op)
+{
+
+}
+
void encl_body(void *rdi, void *rsi)
{
const void (*encl_op_array[ENCL_OP_MAX])(void *) = {
@@ -56,6 +61,7 @@ void encl_body(void *rdi, void *rsi)
do_encl_op_get_from_buf,
do_encl_op_put_to_addr,
do_encl_op_get_from_addr,
+ do_encl_op_nop,
};
struct encl_op_header *op = (struct encl_op_header *)rdi;