corda/sdk/trts/linux/trts_pic.h
Angie Chinchilla 9441de4c38 Initial release of Intel SGX for Linux.
This release is used in conjunction with the linux-sgx-driver Intial release:
https://github.com/01org/linux-sgx-driver
commit-id: 0e865ce5e6b297a787bcdc12d98bada8174be6d7

Intel-id: 33399

Signed-off-by: Angie Chinchilla <angie.v.chinchilla@intel.com>
2016-06-23 18:51:53 -04:00

114 lines
3.7 KiB
C

/*
* Copyright (C) 2011-2016 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/*
* This header contains constant definitions for tRTS.
*/
#ifndef TRTS_PIC_H__
#define TRTS_PIC_H__
#include "linux/linux-regs.h"
#include "rts_cmd.h"
#define SE_GUARD_PAGE_SIZE 0x1000
#define ENCLAVE_INIT_NOT_STARTED 0
#define ENCLAVE_INIT_IN_PROGRESS 1
#define ENCLAVE_INIT_DONE 2
#define ENCLAVE_CRASHED 3
/* Status */
#define SGX_SUCCESS 0
#define SGX_ERROR_UNEXPECTED 0x000000001 // Unexpected error
#define SGX_ERROR_INVALID_FUNCTION 0x000001001 // Invalid ecall/ocall function
#define SGX_ERROR_INVALID_ENCLAVE 0x000002001 // The enclave image is incorrect
#define SGX_ERROR_ENCLAVE_CRASHED 0x000001006 // enclave is crashed
#define SGX_ERROR_STACK_OVERRUN 0x000001009 // enclave is running out of stack
#define STATIC_STACK_SIZE (SE_WORDSIZE * 100)
/* Thread Data
* c.f. data structure defintion for thread_data_t in `rts.h'.
*/
#define last_sp (SE_WORDSIZE * 1)
#define stack_base_addr (SE_WORDSIZE * 2)
#define stack_limit_addr (SE_WORDSIZE * 3)
#define first_ssa_gpr (SE_WORDSIZE * 4)
#define self_addr 0
/* SSA GPR */
#define ssa_sp_t 32
#define ssa_sp_u 144
#define ssa_bp_u 152
#define ssa_exit_info 160
#endif
#define EXIT_INFO_VALID 0x80000000
/* OCALL command */
#define OCALL_FLAG 0x04F434944
#define dtv SE_WORDSIZE
#define tls 0
.macro READ_TD_DATA offset
#ifdef SE_SIM
/* TLS support in simulation mode
* see "sdk/simulation/uinst/linux/set_tls.c"
* and "sdk/simulation/assembly/linux/gnu_tls.h"
* TD address (tcs->ofs_base) is set to tcb_head->dtv->value.
* The offset of tcb_head->dtv->value is SE_WORDSIZE.
*/
#if defined(LINUX32)
mov %gs:dtv, %xax
#elif defined(LINUX64)
mov %fs:dtv, %xax
#endif
mov tls(%xax), %xax
mov \offset(%xax), %xax
#else /* SE_SIM */
#if defined(LINUX32)
mov %fs:\offset, %xax
#elif defined(LINUX64)
mov %gs:\offset, %xax
#endif
#endif /* !SE_SIM */
.endm
.macro GET_STACK_BASE tcs
mov \tcs, %xax
sub $SE_GUARD_PAGE_SIZE, %xax
.endm