stm32: Rename stm32f4/ directory to stm32/

Now that the code in stm32f4/ can handle both stm32f1 and stm32f4
chips, rename the directory to just "stm32".

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 47 insertions, 0 deletions

diff --git a/src/stm32/main.c b/src/stm32/main.c
new file mode 100644
index 00000000..20549799
--- /dev/null
+++ b/src/stm32/main.c
@@ -0,0 +1,47 @@
+// Main starting point for STM32 boards.
+//
+// Copyright (C) 2019  Kevin O'Connor <kevin@koconnor.net>
+//
+// This file may be distributed under the terms of the GNU GPLv3 license.
+
+#include "autoconf.h" // CONFIG_MCU
+#include "command.h" // DECL_CONSTANT_STR
+#include "internal.h" // clock_setup
+#include "sched.h" // sched_main
+
+DECL_CONSTANT_STR("MCU", CONFIG_MCU);
+
+// Return the start of memory available for dynamic allocations
+void *
+dynmem_start(void)
+{
+    extern uint32_t _ebss;
+    return &_ebss;
+}
+
+// Return the end of memory available for dynamic allocations
+void *
+dynmem_end(void)
+{
+    extern uint32_t _sstack;
+    return &_sstack;
+}
+
+void
+command_reset(uint32_t *args)
+{
+    NVIC_SystemReset();
+}
+DECL_COMMAND_FLAGS(command_reset, HF_IN_SHUTDOWN, "reset");
+
+// Main entry point
+int
+main(void)
+{
+    SCB->VTOR += CONFIG_FLASH_START;
+
+    clock_setup();
+
+    sched_main();
+    return 0;
+}