diff options
Diffstat (limited to 'common/spl/spl.c')
| -rw-r--r-- | common/spl/spl.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/common/spl/spl.c b/common/spl/spl.c index c182705b3f..2c696f2a79 100644 --- a/common/spl/spl.c +++ b/common/spl/spl.c @@ -710,6 +710,28 @@ void preloader_console_init(void) #endif /** + * This function is called before the stack is changed from initial stack to + * relocated stack. It tries to dump the stack size used + */ +__weak void spl_relocate_stack_check(void) +{ +#if CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE) + ulong init_sp = gd->start_addr_sp; + ulong stack_bottom = init_sp - CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK); + u8 *ptr = (u8 *)stack_bottom; + ulong i; + + for (i = 0; i < CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK); i++) { + if (*ptr != CONFIG_VAL(SYS_STACK_F_CHECK_BYTE)) + break; + ptr++; + } + printf("SPL initial stack usage: %lu bytes\n", + CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK) - i); +#endif +} + +/** * spl_relocate_stack_gd() - Relocate stack ready for board_init_r() execution * * Sometimes board_init_f() runs with a stack in SRAM but we want to use SDRAM @@ -733,6 +755,9 @@ ulong spl_relocate_stack_gd(void) gd_t *new_gd; ulong ptr = CONFIG_SPL_STACK_R_ADDR; + if (CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE)) + spl_relocate_stack_check(); + #if defined(CONFIG_SPL_SYS_MALLOC_SIMPLE) && CONFIG_VAL(SYS_MALLOC_F_LEN) if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) { debug("SPL malloc() before relocation used 0x%lx bytes (%ld KB)\n", |