125 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			125 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright (C) 2016 The Android Open Source Project
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|  *
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|  * Permission is hereby granted, free of charge, to any person
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|  * obtaining a copy of this software and associated documentation
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|  * files (the "Software"), to deal in the Software without
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|  * restriction, including without limitation the rights to use, copy,
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|  * modify, merge, publish, distribute, sublicense, and/or sell copies
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|  * of the Software, and to permit persons to whom the Software is
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|  * furnished to do so, subject to the following conditions:
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|  *
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|  * The above copyright notice and this permission notice shall be
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|  * included in all copies or substantial portions of the Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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|  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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|  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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|  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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|  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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|  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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|  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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|  * SOFTWARE.
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|  */
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| 
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| #include <trusty/sysdeps.h>
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| 
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| #include <common.h>
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| #include <linux/string.h>
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| #include <malloc.h>
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| 
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| extern int trusty_encode_page_info(struct ns_mem_page_info *page_info,
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|                                    void *vaddr);
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| 
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| void trusty_lock(struct trusty_dev *dev)
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| {
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| }
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| void trusty_unlock(struct trusty_dev *dev)
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| {
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| }
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| 
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| void trusty_local_irq_disable(unsigned long *state)
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| {
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|     disable_interrupts();
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| }
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| 
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| void trusty_local_irq_restore(unsigned long *state)
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| {
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|     enable_interrupts();
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| }
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| 
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| void trusty_idle(struct trusty_dev *dev)
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| {
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|     wfi();
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| }
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| 
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| void trusty_abort(void)
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| {
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|     do_reset(NULL, 0, 0, NULL);
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|     __builtin_unreachable();
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| }
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| 
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| void trusty_printv(const char *message, ...)
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| {
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|     va_list ap;
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| 
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|     va_start(ap, message);
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|     vprintf(message, ap);
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|     va_end(ap);
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| }
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| 
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| void *trusty_memcpy(void *dest, const void *src, size_t n)
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| {
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|     return memcpy(dest, src, n);
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| }
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| 
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| void *trusty_memset(void *dest, const int c, size_t n)
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| {
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|     return memset(dest, c, n);
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| }
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| 
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| char *trusty_strcpy(char *dest, const char *src)
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| {
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|     return strcpy(dest, src);
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| }
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| 
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| size_t trusty_strlen(const char *str)
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| {
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|     return strlen(str);
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| }
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| 
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| void *trusty_calloc(size_t n, size_t size)
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| {
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|     return calloc(n, size);
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| }
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| 
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| void trusty_free(void *addr)
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| {
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|     if (addr)
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|         free(addr);
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| }
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| 
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| void *trusty_membuf_alloc(struct ns_mem_page_info *page_info, size_t size)
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| {
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|     void *va = NULL;
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|     int res;
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| 
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|     va = memalign(4096, size);
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|     if (!va)
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|         return NULL;
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| 
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|     /* get memory attibutes */
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|     res = trusty_encode_page_info(page_info, va);
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|     if (res) {
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|         trusty_membuf_free(va);
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|         return NULL;
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|     }
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|     return va;
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| }
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| 
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| void trusty_membuf_free(void *va)
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| {
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|     if (va)
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|         free(va);
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| }
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