build: Add platform spec framework.

4 files changed, 60 insertions, 0 deletions

diff --git a/platforms/cortex-m.yaml b/platforms/cortex-m.yaml
new file mode 100644
index 0000000..d1612b2
--- /dev/null
+++ b/platforms/cortex-m.yaml
@@ -0,0 +1,13 @@
+- match:
+    cpu: cortex-m4f
+  
+  cflags:
+    - -mcpu=cortex-m4
+    - -mfloat-abi=hard
+    - -mfpu=fpv4-sp-d16
+  
+  define:
+    - HAS_FPU
+  
+  toolchains:
+    - arm-none-eabi
diff --git a/platforms/index.yaml b/platforms/index.yaml
new file mode 100644
index 0000000..558b535
--- /dev/null
+++ b/platforms/index.yaml
@@ -0,0 +1,9 @@
+- match:
+    mcu: !re stm32
+  
+  -: !import stm32/index.yaml
+
+- match:
+    cpu: !re cortex-m
+  
+  -: !import cortex-m.yaml
diff --git a/platforms/stm32/f4.yaml b/platforms/stm32/f4.yaml
new file mode 100644
index 0000000..0d336ce
--- /dev/null
+++ b/platforms/stm32/f4.yaml
@@ -0,0 +1,30 @@
+- match:
+    mem: e
+  mem:
+    flash:
+      origin: 0x08000000
+      size: 512k
+  ld_script: stm32_f4_e.ld
+
+- match:
+    mem: g
+  mem:
+    flash:
+      origin: 0x08000000
+      size: 1M
+  ld_script: stm32_f4_g.ld
+
+- mem:
+    ram:
+      origin: 0x20000000
+      size: 128k
+
+    ccm:
+      origin: 0x10000000
+      size: 64k
+
+  define:
+    - STM32F4
+
+  meta:
+    cpu: cortex-m4f
\ No newline at end of file
diff --git a/platforms/stm32/index.yaml b/platforms/stm32/index.yaml
new file mode 100644
index 0000000..a8cb56f
--- /dev/null
+++ b/platforms/stm32/index.yaml
@@ -0,0 +1,8 @@
+- match:
+    mcu: !re stm32(?P<family>..)(?P<variant>..).(?P<mem>.)
+
+  -:
+    - match:
+        family: f4
+
+      -: !import f4.yaml