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-rw-r--r--README18
1 files changed, 16 insertions, 2 deletions
diff --git a/README b/README
index 14c83f4..19da9c8 100644
--- a/README
+++ b/README
@@ -2831,8 +2831,18 @@ FIT uImage format:
CONFIG_SPL_LDSCRIPT
LDSCRIPT for linking the SPL binary.
+ CONFIG_SPL_MAX_FOOTPRINT
+ Maximum size in memory allocated to the SPL, BSS included.
+ When defined, the linker checks that the actual memory
+ used by SPL from _start to __bss_end does not exceed it.
+ CONFIG_SPL_MAX_FOOTPRINT and CONFIG_SPL_MAX_BSS_SIZE
+ must not be both defined at the same time.
+
CONFIG_SPL_MAX_SIZE
- Maximum binary size (text, data and rodata) of the SPL binary.
+ Maximum size of the SPL image (text, data, rodata, and
+ linker lists sections), BSS excluded.
+ When defined, the linker checks that the actual size does
+ not exceed it.
CONFIG_SPL_TEXT_BASE
TEXT_BASE for linking the SPL binary.
@@ -2845,7 +2855,11 @@ FIT uImage format:
Link address for the BSS within the SPL binary.
CONFIG_SPL_BSS_MAX_SIZE
- Maximum binary size of the BSS section of the SPL binary.
+ Maximum size in memory allocated to the SPL BSS.
+ When defined, the linker checks that the actual memory used
+ by SPL from __bss_start to __bss_end does not exceed it.
+ CONFIG_SPL_MAX_FOOTPRINT and CONFIG_SPL_MAX_BSS_SIZE
+ must not be both defined at the same time.
CONFIG_SPL_STACK
Adress of the start of the stack SPL will use