From 57536653e62765f9529d045b118ad881369bc73a Mon Sep 17 00:00:00 2001 From: Akshay Belsare Date: Thu, 6 Apr 2023 16:21:06 +0530 Subject: [PATCH] feat(zynqmp): make stack size configurable If PLATFORM_STACK_SIZE not already defined, use the default value of PLATFORM_STACK_SIZE. This makes the stack size value configurable for different interface like custom packages. Signed-off-by: Amit Nagal Signed-off-by: Akshay Belsare Change-Id: I87e9fcbfb4c4092378b1ac0ff8fb6d084495d320 --- docs/plat/xilinx-zynqmp.rst | 10 ++++++++++ plat/xilinx/zynqmp/include/platform_def.h | 2 ++ 2 files changed, 12 insertions(+) diff --git a/docs/plat/xilinx-zynqmp.rst b/docs/plat/xilinx-zynqmp.rst index 81f4fbecc..4fe0d2f84 100644 --- a/docs/plat/xilinx-zynqmp.rst +++ b/docs/plat/xilinx-zynqmp.rst @@ -89,6 +89,16 @@ the build command example is; make CROSS_COMPILE=aarch64-none-elf- PLAT=zynqmp RESET_TO_BL31=1 DEBUG=1 \ ZYNQMP_ATF_MEM_BASE=0x40000 ZYNQMP_ATF_MEM_SIZE= +Configurable Stack Size +----------------------- + +The stack size in TF-A for ZynqMP platform is configurable. +The custom package can define the desired stack size as per the requirement in +the make file as follows, + +PLATFORM_STACK_SIZE := +$(eval $(call add_define,PLATFORM_STACK_SIZE)) + FSBL->TF-A Parameter Passing ---------------------------- diff --git a/plat/xilinx/zynqmp/include/platform_def.h b/plat/xilinx/zynqmp/include/platform_def.h index aebce304e..fb1130ff7 100644 --- a/plat/xilinx/zynqmp/include/platform_def.h +++ b/plat/xilinx/zynqmp/include/platform_def.h @@ -21,7 +21,9 @@ ******************************************************************************/ /* Size of cacheable stacks */ +#ifndef PLATFORM_STACK_SIZE #define PLATFORM_STACK_SIZE 0x440 +#endif #define PLATFORM_CORE_COUNT U(4) #define PLAT_NUM_POWER_DOMAINS U(5)