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Enable Intel ENCLV support.

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2018-03-15  Olga Makhotina  <olga.makhotina@intel.com>

gcc/
        * config/i386/sgxintrin.h (_enclv_u32): New intrinsic.
        (__enclv_bc, __enclv_cd, __enclv_generic): New definitions.
        (ERDINFO, ETRACKC, ELDBC, ELDUC): New leaves.

gcc/testsuite/
        * gcc.target/i386/sgx.c (_enclv_u32): Test new intrinsic.

From-SVN: r258560
This commit is contained in:
Olga Makhotina 2018-03-15 15:46:38 +00:00 committed by Igor Tsimbalist
parent e333a522bb
commit e7297be9c0
4 changed files with 84 additions and 14 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2018-03-15 Olga Makhotina <olga.makhotina@intel.com>
* config/i386/sgxintrin.h (_enclv_u32): New intrinsic.
(__enclv_bc, __enclv_cd, __enclv_generic): New definitions.
(ERDINFO, ETRACKC, ELDBC, ELDUC): New leaves.
2018-03-15 David Malcolm <dmalcolm@redhat.com>
PR c/84852

71
gcc/config/i386/sgxintrin.h
View File

@ -89,10 +89,27 @@
: "a" (leaf), "b" (b), "c" (c), "d" (d) \
: "cc")
#define __enclv_bc(leaf, b, c, retval) \
__asm__ __volatile__("enclv\n\t" \
: "=a" (retval) \
: "a" (leaf), "b" (b), "c" (c) \
: "cc")
extern __inline int
#define __enclv_cd(leaf, c, d, retval) \
__asm__ __volatile__("enclv\n\t" \
: "=a" (retval) \
: "a" (leaf), "c" (c), "d" (d) \
: "cc")
#define __enclv_generic(leaf, b, c, d, retval) \
__asm__ __volatile__("enclv\n\t" \
: "=a" (retval), "=b" (b), "=c" (b), "=d" (d)\
: "a" (leaf), "b" (b), "c" (c), "d" (d) \
: "cc")
extern __inline unsigned int
__attribute__((__gnu_inline__, __always_inline__, __artificial__))
_encls_u32 (const int __L, size_t __D[])
_encls_u32 (const unsigned int __L, size_t __D[])
{
enum __encls_type
{
@ -111,10 +128,14 @@ _encls_u32 (const int __L, size_t __D[])
__SGX_ETRACK = 0x0C,
__SGX_EAUG = 0x0D,
__SGX_EMODPR = 0x0E,
__SGX_EMODT = 0x0F
__SGX_EMODT = 0x0F,
__SGX_ERDINFO = 0x10,
__SGX_ETRACKC = 0x11,
__SGX_ELDBC = 0x12,
__SGX_ELDUC = 0x13
};
enum __encls_type __T = (enum __encls_type)__L;
int __R = 0;
unsigned int __R = 0;
if (!__builtin_constant_p (__T))
__encls_generic (__L, __D[0], __D[1], __D[2], __R);
else switch (__T)
@ -127,31 +148,35 @@ _encls_u32 (const int __L, size_t __D[])
case __SGX_EMODPR:
case __SGX_EMODT:
case __SGX_EAUG:
case __SGX_ERDINFO:
__encls_bc (__L, __D[0], __D[1], __R);
break;
case __SGX_EINIT:
case __SGX_ELDB:
case __SGX_ELDU:
case __SGX_EWB:
case __SGX_ELDBC:
case __SGX_ELDUC:
__encls_bcd (__L, __D[0], __D[1], __D[2], __R);
break;
case __SGX_EREMOVE:
case __SGX_EBLOCK:
case __SGX_ETRACK:
case __SGX_ETRACKC:
__encls_c (__L, __D[1], __R);
break;
case __SGX_EDBGRD:
__encls_edbgrd (__L, __D[0], __D[1], __R);
break;
default:
return -1;
__encls_generic (__L, __D[0], __D[1], __D[2], __R);
}
return __R;
}
extern __inline int
extern __inline unsigned int
__attribute__((__gnu_inline__, __always_inline__, __artificial__))
_enclu_u32 (const int __L, size_t __D[])
_enclu_u32 (const unsigned int __L, size_t __D[])
{
enum __enclu_type
{
@ -165,7 +190,7 @@ _enclu_u32 (const int __L, size_t __D[])
__SGX_EACCEPTCOPY = 0x07
};
enum __enclu_type __T = (enum __enclu_type) __L;
int __R = 0;
unsigned int __R = 0;
if (!__builtin_constant_p (__T))
__enclu_generic (__L, __D[0], __D[1], __D[2], __R);
else switch (__T)
@ -187,7 +212,35 @@ _enclu_u32 (const int __L, size_t __D[])
__enclu_eexit (__L, __D[0], __D[1], __R);
break;
default:
return -1;
__enclu_generic (__L, __D[0], __D[1], __D[2], __R);
}
return __R;
}
extern __inline unsigned int
__attribute__((__gnu_inline__, __always_inline__, __artificial__))
_enclv_u32 (const unsigned int __L, size_t __D[])
{
enum __enclv_type
{
__SGX_EDECVIRTCHILD = 0x00,
__SGX_EINCVIRTCHILD = 0x01,
__SGX_ESETCONTEXT = 0x02
};
unsigned int __R = 0;
if (!__builtin_constant_p (__L))
__enclv_generic (__L, __D[0], __D[1], __D[2], __R);
else switch (__L)
{
case __SGX_EDECVIRTCHILD:
case __SGX_EINCVIRTCHILD:
__enclv_bc (__L, __D[0], __D[1], __R);
break;
case __SGX_ESETCONTEXT:
__enclv_cd (__L, __D[1], __D[2], __R);
break;
default:
__enclv_generic (__L, __D[0], __D[1], __D[2], __R);
}
return __R;
}

4
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,7 @@
2018-03-15 Olga Makhotina <olga.makhotina@intel.com>
* gcc.target/i386/sgx.c (_enclv_u32): Test new intrinsic.
2018-03-15 Richard Biener <rguenther@suse.de>
PR c/84873

17
gcc/testsuite/gcc.target/i386/sgx.c
View File

@ -2,13 +2,15 @@
/* { dg-options "-O2 -msgx" } */
/* { dg-final { scan-assembler-times "enclu" 2 } } */
/* { dg-final { scan-assembler-times "encls" 2 } } */
/* { dg-final { scan-assembler-times "enclv" 2 } } */
#include <x86intrin.h>
extern int leaf;
extern unsigned int leaf;
#define SGX_EENTER 0x02
#define SGX_EBLOCK 0x09
#define SGX_EINCVIRTCHILD 0x01
int foo ()
{
@ -16,9 +18,14 @@ int foo ()
test[0] = 4;
test[1] = 5;
test[2] = 6;
int res1 = _encls_u32 (leaf, test);
int res2 = _enclu_u32 (leaf, test);
int res3 = _encls_u32 (SGX_EBLOCK, test);
int res4 = _enclu_u32 (SGX_EENTER, test);
unsigned int res1 = _encls_u32 (leaf, test);
unsigned int res2 = _enclu_u32 (leaf, test);
unsigned int res5 = _enclv_u32 (leaf, test);
unsigned int res3 = _encls_u32 (SGX_EBLOCK, test);
unsigned int res4 = _enclu_u32 (SGX_EENTER, test);
unsigned int res6 = _enclv_u32 (SGX_EINCVIRTCHILD, test);
return 0;
}