blob: d99c5da9a247b53aea8f3c4ee00293280edd1e7e [file] [log] [blame]
/*
* Copyright (C) 2018 The Android Open Source Project
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <test-runner-arch.h>
#include <trusty/sysdeps.h>
/* Size limits for bump allocators (trusty_calloc and trusty_alloc_pages) */
#define HEAP_SIZE (56 + 6 * 4)
#define PAGE_COUNT (3)
static uint8_t heap[HEAP_SIZE];
static int heap_allocated = 0;
static uint8_t pages[PAGE_COUNT * PAGE_SIZE] __ALIGNED(PAGE_SIZE);
static int pages_allocated = 0;
extern int trusty_encode_page_info(struct ns_mem_page_info* page_info,
void* vaddr);
/* libc functions that the compiler may generate calls to */
void* memcpy(void* dest, const void* src, size_t count) {
uint8_t* d = dest;
const uint8_t* s = src;
while (count--) {
*d++ = *s++;
}
return dest;
}
void* memset(void* dest, int c, size_t count) {
uint8_t* d = dest;
while (count--) {
*d++ = c;
}
return dest;
}
char* strcpy(char* dest, char const* src) {
char* ret = dest;
while ((*dest++ = *src++) != '\0') {
}
return ret;
}
size_t strlen(char const* s) {
size_t ret;
for (ret = 0; *s++; ret++) {
}
return ret;
}
int strcmp(char const* cs, char const* ct) {
int res;
const unsigned char* su1 = (const unsigned char*)cs;
const unsigned char* su2 = (const unsigned char*)ct;
while (1) {
if ((res = *su1 - *su2++) != 0 || !*su1++)
break;
}
return res;
}
/* ql-tipc sysdeps functions */
void trusty_lock(struct trusty_dev* dev) {}
void trusty_unlock(struct trusty_dev* dev) {}
__attribute__((weak)) void trusty_local_irq_disable(unsigned long* state) {}
void trusty_local_irq_restore(unsigned long* state) {}
void trusty_abort(void) {
host_exit(2);
__builtin_unreachable();
}
void trusty_printf(const char* format, ...) {}
void* trusty_memcpy(void* dest, const void* src, size_t n) {
return memcpy(dest, src, n);
}
void* trusty_memset(void* dest, const int c, size_t n) {
return memset(dest, c, n);
}
char* trusty_strcpy(char* dest, const char* src) {
return strcpy(dest, src);
}
size_t trusty_strlen(const char* str) {
return strlen(str);
}
int trusty_strcmp(const char* str1, const char* str2) {
return strcmp(str1, str2);
}
void* trusty_calloc(size_t n, size_t size) {
void* ret;
size_t asize = n * size;
if (heap_allocated + asize > HEAP_SIZE) {
return NULL;
}
ret = heap + heap_allocated;
heap_allocated += asize;
return ret;
}
void trusty_free(void* addr) {
}
void* trusty_alloc_pages(unsigned count) {
void* ret;
if (pages_allocated + count > PAGE_COUNT)
return NULL;
ret = pages + pages_allocated * PAGE_SIZE;
pages_allocated += count;
return ret;
}
void trusty_free_pages(void* va, unsigned count) {
/*
* We don't have a real allocator. Make sure we don't trigger any
* code-paths that need dynamic memory.
*/
trusty_abort();
}