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Abstractify example in design exploration

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Since this is just an example, remove specific-sounding references to
mbedtls_psa_core_poison_memory() and replace with more abstract and
generic-sounding memory_poison_hook() and memory_unpoison_hook().

Signed-off-by: David Horstmann <david.horstmann@arm.com>
This commit is contained in:
David Horstmann 2024-03-18 13:37:59 +00:00
parent 3f2dcdd142
commit 1c3b227065
1 changed files with 4 additions and 4 deletions
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8
docs/architecture/psa-shared-memory.md
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@ -301,14 +301,14 @@ In the library, the code that does the copying temporarily unpoisons the memory
```c
static void copy_to_user(void *copy_buffer, void *const input_buffer, size_t length) {
#if defined(MBEDTLS_TEST_HOOKS)
if (mbedtls_psa_core_poison_memory != NULL) {
mbedtls_psa_core_poison_memory(copy_buffer, length, 0);
if (memory_poison_hook != NULL) {
memory_poison_hook(copy_buffer, length);
}
#endif
memcpy(copy_buffer, input_buffer, length);
#if defined(MBEDTLS_TEST_HOOKS)
if (mbedtls_psa_core_poison_memory != NULL) {
mbedtls_psa_core_poison_memory(copy_buffer, length, 1);
if (memory_unpoison_hook != NULL) {
memory_unpoison_hook(copy_buffer, length);
}
#endif
}