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lib_manager: Set target memory flags after data loading from storage
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Memory region must first be mapped as writable to allow data to be placed
there. Then the target access flags are set, e.g. read-only and executable.

Signed-off-by: Adrian Warecki <adrian.warecki@intel.com>
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softwarecki committed Mar 13, 2024
1 parent 3926292 commit 081b2c3
Showing 1 changed file with 2 additions and 6 deletions.
8 changes: 2 additions & 6 deletions src/library_manager/lib_manager.c
Original file line number Diff line number Diff line change
Expand Up @@ -129,7 +129,7 @@ static int lib_manager_load_data_from_storage(void __sparse_cache *vma, void *s_
{
/* Region must be first mapped as writable in order to initialize its contents. */
int ret = sys_mm_drv_map_region((__sparse_force void *)vma, POINTER_TO_UINT(NULL), size,
flags | SYS_MM_MEM_PERM_RW);
SYS_MM_MEM_PERM_RW);
if (ret < 0)
return ret;

Expand All @@ -139,11 +139,7 @@ static int lib_manager_load_data_from_storage(void __sparse_cache *vma, void *s_

dcache_writeback_region(vma, size);

/* TODO: Change attributes for memory to FLAGS. Implementation of required function in tlb
* driver is in progress.
* sys_mm_drv_update_region_flags(vma, size, flags);
*/
return 0;
return sys_mm_drv_update_region_flags(vma, size, flags);
}

static int lib_manager_load_module(const uint32_t module_id,
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