//----------------------------------------------------------------------------//
// GNU GPL OS/K //
// //
// Desc: Early and very dumb memory managment //
// //
// //
// Copyright © 2018-2019 The OS/K Team //
// //
// This file is part of OS/K. //
// //
// OS/K is free software: you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation, either version 3 of the License, or //
// any later version. //
// //
// OS/K is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY//without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with OS/K. If not, see . //
//----------------------------------------------------------------------------//
#include
#include
error_t KalAllocMemory(void **ptr, size_t req, int flags, size_t align)
{
error_t rc;
size_t brk;
if (align == 0) align = M_DEFAULT_ALIGNMENT;
if (align < M_MINIMAL_ALIGNMENT) {
return EALIGN;
}
LockHeap();
brk = _HEAP_START + GetHeapSize();
req = _ALIGN_UP(req + brk, align) - brk;
rc = GrowHeap(req);
UnlockHeap();
if (rc) {
if ((flags & M_CANFAIL) != 0)
return rc;
StartPanic("Out of memory");
}
if (flags & M_ZEROED) {
memzero(*ptr, req);
}
*ptr = (void *)brk;
return rc;
}
//
// Frees allocated memory
//
error_t KalFreeMemory(void *ptr)
{
(void)ptr;
}