From f2d53195fd86023d2ff9fcce68d2e150bfd97059 Mon Sep 17 00:00:00 2001
From: "Luke T. Shumaker" <lukeshu@lukeshu.com>
Date: Thu, 31 Oct 2024 14:04:11 -0600
Subject: cmake part of stack sizes

---
 cmd/sbc_harness/CMakeLists.txt | 37 ++++++++++++++++++++++++++++---------
 1 file changed, 28 insertions(+), 9 deletions(-)

(limited to 'cmd/sbc_harness')

diff --git a/cmd/sbc_harness/CMakeLists.txt b/cmd/sbc_harness/CMakeLists.txt
index d59e2b5..85e61ab 100644
--- a/cmd/sbc_harness/CMakeLists.txt
+++ b/cmd/sbc_harness/CMakeLists.txt
@@ -5,13 +5,15 @@
 
 if (PICO_PLATFORM STREQUAL "rp2040")
 
-add_executable(sbc_harness
+# Main compilation #############################################################
+
+add_library(sbc_harness_objs
 	main.c
 	usb_keyboard.c
 )
-target_include_directories(sbc_harness PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/config)
-target_include_directories(sbc_harness PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
-target_link_libraries(sbc_harness
+target_include_directories(sbc_harness_objs PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/config)
+target_include_directories(sbc_harness_objs PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+target_link_libraries(sbc_harness_objs
 	pico_stdlib
 	hardware_flash
 
@@ -20,13 +22,30 @@ target_link_libraries(sbc_harness
 	#libdhcp
 	libhw
 )
-target_compile_options(sbc_harness PUBLIC "-fcallgraph-info=su,da")
+pico_enable_stdio_usb(sbc_harness_objs 0)
+pico_enable_stdio_uart(sbc_harness_objs 1)
+pico_enable_stdio_semihosting(sbc_harness_objs 0)
+pico_enable_stdio_rtt(sbc_harness_objs 0)
+
+# Stack analysis ###############################################################
+
+target_compile_options(sbc_harness_objs PUBLIC "-fcallgraph-info=su,da")
+set_source_files_properties(sbc_harness_stack.c PROPERTIES
+	GENERATED true
+)
+add_custom_command(
+	OUTPUT sbc_harness_stack.c
+	COMMAND set -o pipefail && cat -- "$<LIST:TRANSFORM,$<LIST:FILTER,$<TARGET_OBJECTS:sbc_harness_objs>,INCLUDE,\.c\.o(bj)?$>,REPLACE,\.o(bj)?$,.ci>" | sed 's,^,//,' >sbc_harness_stack.c
+	COMMAND_EXPAND_LISTS
+	DEPENDS $<TARGET_OBJECTS:sbc_harness_objs>
+	COMMENT "Calculating sbc_harness required stack sizes"
+)
 
-pico_enable_stdio_usb(sbc_harness 0)
-pico_enable_stdio_uart(sbc_harness 1)
-pico_enable_stdio_semihosting(sbc_harness 0)
-pico_enable_stdio_rtt(sbc_harness 0)
+# Link #########################################################################
 
+add_executable(sbc_harness)
+target_link_libraries(sbc_harness sbc_harness_objs)
+target_sources(sbc_harness PRIVATE sbc_harness_stack.c)
 pico_add_extra_outputs(sbc_harness) # create .map/.bin/.hex/.uf2 files in addition to .elf
 pico_set_program_url(sbc_harness "https://git.lukeshu.com/sbc-harness")
 
-- 
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