| // Copyright 2010 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| #include "runtime.h" |
| #include "malloc.h" |
| |
| // Assume there's an arbitrary amount of memory starting at "end". |
| // Sizing PC memory is beyond the scope of this demo. |
| |
| void* |
| SysAlloc(uintptr ask) |
| { |
| static byte *p; |
| extern byte end[]; |
| byte *q; |
| |
| if(p == nil) { |
| p = end; |
| p += 7 & -(uintptr)p; |
| } |
| ask += 7 & -ask; |
| |
| q = p; |
| p += ask; |
| ยทmemclr(q, ask); |
| return q; |
| } |
| |
| void |
| SysFree(void *v, uintptr n) |
| { |
| USED(v, n); |
| } |
| |
| void |
| SysUnused(void *v, uintptr n) |
| { |
| USED(v, n); |
| } |
| |
