code -> fw

1 files changed, 0 insertions, 38 deletions

diff --git a/code/fe310/bsp/gloss/sys_sbrk.c b/code/fe310/bsp/gloss/sys_sbrk.c
deleted file mode 100644
index ce10c90..0000000
--- a/code/fe310/bsp/gloss/sys_sbrk.c
+++ /dev/null
@@ -1,38 +0,0 @@
-#include <sys/types.h>
-
-/* brk is handled entirely within the C library.  This limits METAL programs that
- * use the C library to be disallowed from dynamically allocating memory
- * without talking to the C library, but that sounds like a sane way to go
- * about it.  Note that there is no error checking anywhere in this file, users
- * will simply get the relevant error when actually trying to use the memory
- * that's been allocated. */
-extern char metal_segment_heap_target_start;
-extern char metal_segment_heap_target_end;
-static char *brk = &metal_segment_heap_target_start;
-
-int
-_brk(void *addr)
-{
-  brk = addr;
-  return 0;
-}
-
-char *
-_sbrk(ptrdiff_t incr)
-{
-  char *old = brk;
-
-  /* If __heap_size == 0, we can't allocate memory on the heap */
-  if(&metal_segment_heap_target_start == &metal_segment_heap_target_end) {
-    return (void *)-1;
-  }
-
-  /* Don't move the break past the end of the heap */
-  if ((brk + incr) <= &metal_segment_heap_target_end) {
-    brk += incr;
-  } else {
-    return (void *)-1;
-  }
-
-  return old;
-}