/* Copyright (C) 2014 Stony Brook University
This file is part of Graphene Library OS.
Graphene Library OS is free software: you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License
as published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
Graphene Library OS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see . */
/*
* pal_internal.h
*
* This file contains definition of functions, variables and data structures
* for internal uses.
*/
#ifndef SGX_INTERNAL_H
#define SGX_INTERNAL_H
#include "pal_linux.h"
#include "pal_security.h"
#include "api.h"
#include "sysdep-x86_64.h"
#include
#define IS_ERR INTERNAL_SYSCALL_ERROR
#define IS_ERR_P INTERNAL_SYSCALL_ERROR_P
#define ERRNO INTERNAL_SYSCALL_ERRNO
#define ERRNO_P INTERNAL_SYSCALL_ERRNO_P
int printf(const char * fmt, ...) __attribute__((format(printf, 1, 2)));
int snprintf(char * str, size_t size, const char * fmt, ...) __attribute__((format(printf, 3, 4)));
/* constants and macros to help rounding addresses to page
boundaries */
extern size_t g_page_size;
#undef IS_ALLOC_ALIGNED
#undef IS_ALLOC_ALIGNED_PTR
#undef ALLOC_ALIGN_UP
#undef ALLOC_ALIGN_UP_PTR
#undef ALLOC_ALIGN_DOWN
#undef ALLOC_ALIGN_DOWN_PTR
#define IS_ALLOC_ALIGNED(addr) IS_ALIGNED_POW2(addr, g_page_size)
#define IS_ALLOC_ALIGNED_PTR(addr) IS_ALIGNED_PTR_POW2(addr, g_page_size)
#define ALLOC_ALIGN_UP(addr) ALIGN_UP_POW2(addr, g_page_size)
#define ALLOC_ALIGN_UP_PTR(addr) ALIGN_UP_PTR_POW2(addr, g_page_size)
#define ALLOC_ALIGN_DOWN(addr) ALIGN_DOWN_POW2(addr, g_page_size)
#define ALLOC_ALIGN_DOWN_PTR(addr) ALIGN_DOWN_PTR_POW2(addr, g_page_size)
uint32_t htonl (uint32_t longval);
uint16_t htons (uint16_t shortval);
uint32_t ntohl (uint32_t longval);
uint16_t ntohs (uint16_t shortval);
extern struct pal_enclave {
/* attributes */
unsigned long baseaddr;
unsigned long size;
unsigned long thread_num;
unsigned long ssaframesize;
/* files */
int manifest;
int exec;
int sigfile;
int token;
/* manifest */
struct config_store * config;
/* security information */
struct pal_sec pal_sec;
} pal_enclave;
int open_gsgx (void);
bool is_wrfsbase_supported (void);
int read_enclave_token (int token_file, sgx_arch_token_t * token);
int read_enclave_sigstruct (int sigfile, sgx_arch_enclave_css_t * sig);
int create_enclave(sgx_arch_secs_t * secs,
sgx_arch_token_t * token);
enum sgx_page_type { SGX_PAGE_SECS, SGX_PAGE_TCS, SGX_PAGE_REG };
int add_pages_to_enclave(sgx_arch_secs_t * secs,
void * addr, void * user_addr,
unsigned long size,
enum sgx_page_type type, int prot,
bool skip_eextend,
const char * comment);
int init_aesm_targetinfo(sgx_target_info_t* aesm_targetinfo);
int retrieve_verified_quote(const sgx_spid_t* spid, const char* subkey, bool linkable,
const sgx_report_t* report, const sgx_quote_nonce_t* nonce,
sgx_attestation_t* attestation);
int init_enclave(sgx_arch_secs_t * secs,
sgx_arch_enclave_css_t * sigstruct,
sgx_arch_token_t * token);
int destroy_enclave(void * base_addr, size_t length);
void exit_process (int status, uint64_t start_exiting);
int sgx_ecall (long ecall_no, void * ms);
int sgx_raise (int event);
void async_exit_pointer (void);
int interrupt_thread (void * tcs);
int clone_thread (void);
void create_tcs_mapper (void * tcs_base, unsigned int thread_num);
int pal_thread_init(void* tcbptr);
void map_tcs(unsigned int tid);
void unmap_tcs(void);
void thread_exit(int status);
uint64_t sgx_edbgrd (void * addr);
void sgx_edbgwr (void * addr, uint64_t data);
int sgx_init_child_process (struct pal_sec * pal_sec);
int sgx_signal_setup (void);
int block_signals (bool block, const int * sigs, int nsig);
int block_async_signals (bool block);
#endif