[PATCH 1/5] configs: restrict am62ax wakup SPL size

Bryan Brattlof bb at ti.com
Sat Dec 24 02:15:21 CET 2022


In its current form, the am62a's wakeup SPL is fairly small, however
this will not remain as more boot modes are eventually added. To protect
us from overflowing our ~256k of HSM SRAM, add limits and check during
the wakeup SPL build.

Signed-off-by: Bryan Brattlof <bb at ti.com>
---
 configs/am62ax_evm_r5_defconfig | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/configs/am62ax_evm_r5_defconfig b/configs/am62ax_evm_r5_defconfig
index 59d5f4f80eb8d..bfffb8eef77d8 100644
--- a/configs/am62ax_evm_r5_defconfig
+++ b/configs/am62ax_evm_r5_defconfig
@@ -13,7 +13,9 @@ CONFIG_SPL_TEXT_BASE=0x43c00000
 CONFIG_SPL_MMC=y
 CONFIG_SPL_SERIAL=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
-CONFIG_SPL_SIZE_LIMIT=0x40000
+CONFIG_SPL_SYS_MALLOC_F_LEN=0x7145
+CONFIG_SPL_SIZE_LIMIT=0x3A7F0
+CONFIG_SPL_SIZE_LIMIT_PROVIDE_STACK=0x3500
 CONFIG_SPL_FS_FAT=y
 CONFIG_SPL_LIBDISK_SUPPORT=y
 CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
@@ -22,11 +24,14 @@ CONFIG_SPL_LOAD_FIT=y
 CONFIG_SPL_LOAD_FIT_ADDRESS=0x80080000
 CONFIG_SPL_FIT_IMAGE_POST_PROCESS=y
 # CONFIG_DISPLAY_CPUINFO is not set
-CONFIG_SPL_MAX_SIZE=0x58000
+CONFIG_SPL_SIZE_LIMIT_SUBTRACT_GD=y
+CONFIG_SPL_SIZE_LIMIT_SUBTRACT_MALLOC=y
+CONFIG_SPL_MAX_SIZE=0x3B000
 CONFIG_SPL_PAD_TO=0x0
 CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
-CONFIG_SPL_BSS_START_ADDR=0x43c37800
-CONFIG_SPL_BSS_MAX_SIZE=0x5000
+CONFIG_SPL_BSS_START_ADDR=0x43c3b000
+CONFIG_SPL_BSS_MAX_SIZE=0x3000
+CONFIG_SPL_SYS_REPORT_STACK_F_USAGE=y
 CONFIG_SPL_SYS_MALLOC_SIMPLE=y
 CONFIG_SPL_STACK_R=y
 CONFIG_SPL_SEPARATE_BSS=y
-- 
2.39.0



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