From bc8c8df3163bd41d0220746618f6495425344028 Mon Sep 17 00:00:00 2001
From: HiFiPhile <admin@hifiphile.com>
Date: Sun, 28 Apr 2024 00:29:19 +0200
Subject: Build STM32F7 with single-point FPU.

---
 .../build_system/cmake/cpu/cortex-m7-fpsp.cmake    | 25 ++++++++++++++++++++
 examples/build_system/make/cpu/cortex-m7-fpsp.mk   | 27 ++++++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 examples/build_system/cmake/cpu/cortex-m7-fpsp.cmake
 create mode 100644 examples/build_system/make/cpu/cortex-m7-fpsp.mk

(limited to 'examples/build_system')

diff --git a/examples/build_system/cmake/cpu/cortex-m7-fpsp.cmake b/examples/build_system/cmake/cpu/cortex-m7-fpsp.cmake
new file mode 100644
index 000000000..b10f00fc2
--- /dev/null
+++ b/examples/build_system/cmake/cpu/cortex-m7-fpsp.cmake
@@ -0,0 +1,25 @@
+if (TOOLCHAIN STREQUAL "gcc")
+  set(TOOLCHAIN_COMMON_FLAGS
+    -mthumb
+    -mcpu=cortex-m7
+    -mfloat-abi=hard
+    -mfpu=fpv5-sp-d16
+    )
+  set(FREERTOS_PORT GCC_ARM_CM7 CACHE INTERNAL "")
+
+elseif (TOOLCHAIN STREQUAL "clang")
+  set(TOOLCHAIN_COMMON_FLAGS
+    --target=arm-none-eabi
+    -mcpu=cortex-m7
+    -mfpu=fpv5-sp-d16
+    )
+  set(FREERTOS_PORT GCC_ARM_CM7 CACHE INTERNAL "")
+
+elseif (TOOLCHAIN STREQUAL "iar")
+  set(TOOLCHAIN_COMMON_FLAGS
+    --cpu cortex-m7
+    --fpu VFPv5_sp
+    )
+  set(FREERTOS_PORT IAR_ARM_CM7 CACHE INTERNAL "")
+
+endif ()
diff --git a/examples/build_system/make/cpu/cortex-m7-fpsp.mk b/examples/build_system/make/cpu/cortex-m7-fpsp.mk
new file mode 100644
index 000000000..cd42c6fb8
--- /dev/null
+++ b/examples/build_system/make/cpu/cortex-m7-fpsp.mk
@@ -0,0 +1,27 @@
+ifeq ($(TOOLCHAIN),gcc)
+  CFLAGS += \
+    -mthumb \
+    -mcpu=cortex-m7 \
+    -mfloat-abi=hard \
+    -mfpu=fpv5-sp-d16 \
+
+else ifeq ($(TOOLCHAIN),clang)
+  CFLAGS += \
+	  --target=arm-none-eabi \
+	  -mcpu=cortex-m7 \
+	  -mfpu=fpv5-sp-d16 \
+
+else ifeq ($(TOOLCHAIN),iar)
+  CFLAGS += \
+  	--cpu cortex-m7 \
+  	--fpu VFPv5_sp \
+
+  ASFLAGS += \
+		--cpu cortex-m7 \
+		--fpu VFPv5_sp \
+
+else
+  $(error "TOOLCHAIN is not supported")
+endif
+
+FREERTOS_PORTABLE_SRC ?= $(FREERTOS_PORTABLE_PATH)/ARM_CM7/r0p1
-- 
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