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fw: Return 0 on sys_alloc success, -1 on error

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It is left to the app to keep track of whether it has had access to the
allocated area before.
This commit is contained in:
Mikael Ågren 2025-05-13 10:48:09 +02:00
parent 887883c8db
commit 5a9b77806f
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GPG key ID: E02DA3D397792C46
1 changed files with 5 additions and 7 deletions
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12
hw/application_fpga/fw/tk1/storage.c
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@ -67,20 +67,18 @@ static int storage_get_area(struct partition_table *part_table)
return -1;
}
// Allocate a new area for an app. Returns zero if a new area is
// allocated, one if an area already was allocated, and negative
// values for errors.
// Allocate a new area for an app. Returns zero on success.
int storage_allocate_area(struct partition_table_storage *part_table_storage)
{
if (part_table_storage == NULL) {
return -4;
return -1;
}
struct partition_table *part_table = &part_table_storage->table;
if (storage_get_area(part_table) != -1) {
/* Already has an area */
return 1;
return 0;
}
int index = get_first_empty(part_table);
@ -92,7 +90,7 @@ int storage_allocate_area(struct partition_table_storage *part_table_storage)
uint32_t start_address = 0;
if (index_to_address(index, &start_address) != 0) {
return -3;
return -1;
}
// Allocate the empty index found
@ -108,7 +106,7 @@ int storage_allocate_area(struct partition_table_storage *part_table_storage)
auth_app_create(&part_table->app_storage[index].auth);
if (part_table_write(part_table_storage) != 0) {
return -5;
return -1;
}
return 0;