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spl: add debug print for early malloc usage

To find out how big the early malloc heap must be in SPL, add a debug
print statement that dumps its usage before switching to relocated heap
in spl_relocate_stack_gd() via CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN.

Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Simon Goldschmidt 5 years ago
parent
commit
438dcabb75
1 changed files with 2 additions and 0 deletions
  1. 2 0
      common/spl/spl.c

+ 2 - 0
common/spl/spl.c

@@ -728,6 +728,8 @@ ulong spl_relocate_stack_gd(void)
 
 #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",
+		      gd->malloc_ptr, gd->malloc_ptr / 1024);
 		ptr -= CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
 		gd->malloc_base = ptr;
 		gd->malloc_limit = CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;