diff options
author | Christian Mauderer <christian.mauderer@embedded-brains.de> | 2020-07-20 07:46:53 +0200 |
---|---|---|
committer | Joel Sherrill <joel@rtems.org> | 2020-09-23 08:19:47 -0500 |
commit | b82c1510be296e70017790cd44902621cc2ec77b (patch) | |
tree | cc9ff8872e29bd5de631e32051a5843c50e36666 | |
parent | f11392cbad07e8380cc24725f498e46530723f89 (diff) |
bsps/fdt: Make sure data is cache aligned
The cache of the fdt blob is flushed after copy. Therefore it should be
aligned.
-rw-r--r-- | bsps/shared/start/bsp-fdt.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/bsps/shared/start/bsp-fdt.c b/bsps/shared/start/bsp-fdt.c index 7e8d8922a8..50a485eb16 100644 --- a/bsps/shared/start/bsp-fdt.c +++ b/bsps/shared/start/bsp-fdt.c @@ -29,10 +29,11 @@ #ifdef BSP_FDT_BLOB_READ_ONLY static const uint32_t -bsp_fdt_blob[BSP_FDT_BLOB_SIZE_MAX / sizeof(uint32_t)] = { 0xdeadbeef }; +bsp_fdt_blob[BSP_FDT_BLOB_SIZE_MAX / sizeof(uint32_t)] CPU_STRUCTURE_ALIGNMENT = + { 0xdeadbeef }; #else static uint32_t -bsp_fdt_blob[BSP_FDT_BLOB_SIZE_MAX / sizeof(uint32_t)]; +bsp_fdt_blob[BSP_FDT_BLOB_SIZE_MAX / sizeof(uint32_t)] CPU_STRUCTURE_ALIGNMENT; #endif void bsp_fdt_copy(const void *src) @@ -48,6 +49,7 @@ void bsp_fdt_copy(const void *src) if (s != d) { size_t m = MIN(sizeof(bsp_fdt_blob), fdt_totalsize(src)); + size_t aligned_size = roundup2(m, CPU_CACHE_LINE_BYTES); size_t n = (m + sizeof(*d) - 1) / sizeof(*d); size_t i; @@ -55,7 +57,7 @@ void bsp_fdt_copy(const void *src) d[i] = s[i]; } - rtems_cache_flush_multiple_data_lines(d, m); + rtems_cache_flush_multiple_data_lines(d, aligned_size); } } |