Split app code and third party libraries

3 files changed, 63 insertions, 0 deletions

diff --git a/app/ld/_flash.ld b/app/ld/_flash.ld
new file mode 100644
index 0000000..ec94ea7
--- /dev/null
+++ b/app/ld/_flash.ld
@@ -0,0 +1,33 @@
+SECTIONS {
+    . = ORIGIN(FLASH);
+    .text : {
+        KEEP(*(.stack))
+        KEEP(*(.vectors))
+        KEEP(*(.vectors*))
+        KEEP(*(.text))
+        . = ALIGN(4);
+        *(.text*)
+        . = ALIGN(4);
+        KEEP(*(.rodata))
+        *(.rodata*)
+        . = ALIGN(4);
+    } >FLASH
+
+    .preinit_array ALIGN(4): {
+        __preinit_array_start = .;
+        KEEP(*(.preinit_array))
+        __preinit_array_end = .;
+    } >FLASH
+
+    .init_array ALIGN(4): {
+        __init_array_start = .;
+        KEEP(*(.init_array))
+        __init_array_end = .;
+    } >FLASH
+
+    .fini_array ALIGN(4): {
+        __fini_array_start = .;
+        KEEP(*(.fini_array))
+        __fini_array_end = .;
+    } >FLASH
+}
diff --git a/app/ld/_sram.ld b/app/ld/_sram.ld
new file mode 100644
index 0000000..4993c63
--- /dev/null
+++ b/app/ld/_sram.ld
@@ -0,0 +1,26 @@
+SECTIONS {
+    __stacktop = ORIGIN(SRAM) + LENGTH(SRAM);
+    __data_load = LOADADDR(.data);
+    . = ORIGIN(SRAM);
+
+    .data ALIGN(4) : {
+        __data_start = .;
+        *(.data)
+        *(.data*)
+        . = ALIGN(4);
+        __data_end = .;
+    } >SRAM AT >FLASH
+
+    .bss ALIGN(4) (NOLOAD) : {
+        __bss_start = .;
+        *(.bss)
+        *(.bss*)
+        . = ALIGN(4);
+        __bss_end = .;
+        *(.noinit)
+        *(.noinit*)
+    } >SRAM
+
+    . = ALIGN(4);
+    __heap_start = .;
+}
diff --git a/app/ld/stm32f072x8.ld b/app/ld/stm32f072x8.ld
new file mode 100644
index 0000000..7600040
--- /dev/null
+++ b/app/ld/stm32f072x8.ld
@@ -0,0 +1,4 @@
+MEMORY {
+    FLASH(rx) : ORIGIN = 0x08000000, LENGTH = 64K
+    SRAM(rwx) : ORIGIN = 0x20000000, LENGTH = 16K
+}