From: Sean Christopherson <sean.j.christopherson@intel.com>
To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: Nathaniel McCallum <npmccallum@redhat.com>,
Cedric Xing <cedric.xing@intel.com>,
Jethro Beekman <jethro@fortanix.com>,
Andy Lutomirski <luto@amacapital.net>,
linux-sgx@vger.kernel.org
Subject: [PATCH for_v29 8/8] selftests/x86: Add selftest to invoke __vsgx_enter_enclave() from C
Date: Wed, 18 Mar 2020 18:11:30 -0700 [thread overview]
Message-ID: <20200319011130.8556-9-sean.j.christopherson@intel.com> (raw)
In-Reply-To: <20200319011130.8556-1-sean.j.christopherson@intel.com>
Add a selftest to call __vsgx_enter_enclave() from C.
Suggested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
tools/testing/selftests/x86/sgx/main.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/x86/sgx/main.c b/tools/testing/selftests/x86/sgx/main.c
index 9b89946a976b..bf64fa857983 100644
--- a/tools/testing/selftests/x86/sgx/main.c
+++ b/tools/testing/selftests/x86/sgx/main.c
@@ -21,7 +21,7 @@
#define PAGE_SIZE 4096
static const uint64_t MAGIC = 0x1122334455667788ULL;
-void *eenter;
+vdso_sgx_enter_enclave_t eenter;
struct vdso_symtab {
Elf64_Sym *elf_symtab;
@@ -376,5 +376,17 @@ int main(int argc, char *argv[], char *envp[])
printf("Output: 0x%lx\n", result);
+ printf("Input: 0x%lx\n", MAGIC);
+ result = 0;
+
+ /* Invoke the vDSO directly. */
+ eenter((unsigned long)&MAGIC, (unsigned long)&result, 0, 2, 0, 0,
+ (void *)secs.base, &exception, NULL);
+ if (result != MAGIC) {
+ fprintf(stderr, "0x%lx != 0x%lx\n", result, MAGIC);
+ exit(1);
+ }
+ printf("Output: 0x%lx\n", result);
+
exit(0);
}
--
2.24.1
next prev parent reply other threads:[~2020-03-19 1:11 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-19 1:11 [PATCH for_v29 0/8] x86/sgx: Make vDSO callable from C Sean Christopherson
2020-03-19 1:11 ` [PATCH for_v29 1/8] x86/sgx: vdso: Remove an incorrect statement the enter enclave comment Sean Christopherson
2020-03-19 20:49 ` Jarkko Sakkinen
2020-03-19 1:11 ` [PATCH for_v29 2/8] x86/sgx: vdso: Make the %rsp fixup on return from handler relative Sean Christopherson
2020-03-20 2:39 ` Jarkko Sakkinen
2020-03-20 2:42 ` Jarkko Sakkinen
2020-03-19 1:11 ` [PATCH for_v29 3/8] x86/sgx: vdso: Make __vdso_sgx_enter_enclave() callable from C code Sean Christopherson
2020-03-19 20:03 ` Xing, Cedric
2020-03-19 20:11 ` Sean Christopherson
2020-03-20 3:07 ` Jarkko Sakkinen
2020-03-20 23:26 ` Sean Christopherson
2020-03-21 0:57 ` Jarkko Sakkinen
2020-03-19 1:11 ` [PATCH for_v29 4/8] x86/sgx: vdso: Define a typedef for __vdso_sgx_enter_enclave Sean Christopherson
2020-03-19 1:11 ` [PATCH for_v29 5/8] selftests/x86: sgx: Zero out @result before invoking vDSO sub-test Sean Christopherson
2020-03-19 1:11 ` [PATCH for_v29 6/8] selftests/x86: sgx: Pass EENTER to vDSO wrapper instead of hardcoding Sean Christopherson
2020-03-19 1:11 ` [PATCH for_v29 7/8] selftests/x86: sgx: Stop clobbering non-volatile registers Sean Christopherson
2020-03-19 1:11 ` Sean Christopherson [this message]
2020-03-20 0:57 ` [PATCH for_v29 0/8] x86/sgx: Make vDSO callable from C Jarkko Sakkinen
2020-03-20 23:25 ` Sean Christopherson
2020-03-21 0:55 ` Jarkko Sakkinen
2020-03-21 20:11 ` Sean Christopherson
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