Merge pull request #342 from dhylands/stmhal-repl

REPL working on UART6 with STMHAL

1 files changed, 36 insertions, 0 deletions

diff --git a/stmhal/malloc0.c b/stmhal/malloc0.c
new file mode 100644
index 0000000000..85a643f72d
--- /dev/null
+++ b/stmhal/malloc0.c
@@ -0,0 +1,36 @@
+#include <stdint.h>
+#include "std.h"
+#include "mpconfig.h"
+#include "gc.h"
+
+#if 0
+static uint32_t mem = 0;
+
+void *malloc(size_t n) {
+    if (mem == 0) {
+        extern uint32_t _heap_start;
+        mem = (uint32_t)&_heap_start; // need to use big ram block so we can execute code from it (is it true that we can't execute from CCM?)
+    }
+    void *ptr = (void*)mem;
+    mem = (mem + n + 3) & (~3);
+    if (mem > 0x20000000 + 0x18000) {
+        void __fatal_error(const char*);
+        __fatal_error("out of memory");
+    }
+    return ptr;
+}
+
+void free(void *ptr) {
+}
+
+void *realloc(void *ptr, size_t n) {
+    return malloc(n);
+}
+
+#endif
+
+void __assert_func(void) {
+    printf("\nASSERT FAIL!");
+    for (;;) {
+    }
+}