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Bluetooth: controller: ensure memory access is aligned

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The memory used for Tx buffers and procedure context must
be aligned on a word boundary, otherwise it is possible
to get unaligned memory access

Signed-off-by: Andries Kruithof <andries.kruithof@nordicsemi.no>
This commit is contained in:
Andries Kruithof 2022-09-30 10:12:26 +02:00 committed by Carles Cufí
parent 1d879b93c5
commit 5530ea0bd0
1 changed files with 3 additions and 3 deletions
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6
subsys/bluetooth/controller/ll_sw/ull_llcp.c
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@ -60,14 +60,14 @@ sys_slist_t tx_buffer_wait_list;
static uint8_t common_tx_buffer_alloc;
#endif /* LLCP_TX_CTRL_BUF_QUEUE_ENABLE */
static uint8_t buffer_mem_tx[TX_CTRL_BUF_SIZE * LLCP_TX_CTRL_BUF_COUNT];
static uint8_t MALIGN(4) buffer_mem_tx[TX_CTRL_BUF_SIZE * LLCP_TX_CTRL_BUF_COUNT];
static struct llcp_mem_pool mem_tx = { .pool = buffer_mem_tx };
static uint8_t buffer_mem_local_ctx[PROC_CTX_BUF_SIZE *
static uint8_t MALIGN(4) buffer_mem_local_ctx[PROC_CTX_BUF_SIZE *
CONFIG_BT_CTLR_LLCP_LOCAL_PROC_CTX_BUF_NUM];
static struct llcp_mem_pool mem_local_ctx = { .pool = buffer_mem_local_ctx };
static uint8_t buffer_mem_remote_ctx[PROC_CTX_BUF_SIZE *
static uint8_t MALIGN(4) buffer_mem_remote_ctx[PROC_CTX_BUF_SIZE *
CONFIG_BT_CTLR_LLCP_REMOTE_PROC_CTX_BUF_NUM];
static struct llcp_mem_pool mem_remote_ctx = { .pool = buffer_mem_remote_ctx };