From 5a2f64cf3451a98bc77ce3620ce9829c36917d9e Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Thu, 21 Dec 2023 15:16:49 +0100 Subject: bsp/tms570: Initialize and enable caches on demand Update #4982. --- bsps/arm/tms570/start/bspstarthooks.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'bsps/arm') diff --git a/bsps/arm/tms570/start/bspstarthooks.c b/bsps/arm/tms570/start/bspstarthooks.c index 81ad42f449..8dc7fdfdf8 100644 --- a/bsps/arm/tms570/start/bspstarthooks.c +++ b/bsps/arm/tms570/start/bspstarthooks.c @@ -40,9 +40,34 @@ */ #include +#include BSP_START_TEXT_SECTION void bsp_start_hook_1( void ) { + uint32_t ctrl; + size_t size; + + ctrl = arm_cp15_get_control(); + + if ( ( ctrl & ARM_CP15_CTRL_I ) == 0 ) { + rtems_cache_invalidate_entire_instruction(); + ctrl |= ARM_CP15_CTRL_I; + arm_cp15_set_control(ctrl); + } + + if ( ( ctrl & ARM_CP15_CTRL_C ) == 0 ) { + rtems_cache_invalidate_entire_data(); + ctrl |= ARM_CP15_CTRL_C; + arm_cp15_set_control(ctrl); + } + bsp_start_copy_sections_compact(); bsp_start_clear_bss(); + + size =(size_t) bsp_section_fast_text_size; + RTEMS_OBFUSCATE_VARIABLE( size ); + + if ( size != 0 ) { + rtems_cache_flush_multiple_data_lines( bsp_section_fast_text_begin, size ); + } } -- cgit v1.2.3