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https://github.com/Telecominfraproject/OpenCellular.git
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5015f79857
Signed-off-by: Peter Stuge <peter@stuge.se> Acked-by: Peter Stuge <peter@stuge.se> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6055 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
46 lines
961 B
C
46 lines
961 B
C
#include <stdlib.h>
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#include <console/console.h>
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#if CONFIG_DEBUG_MALLOC
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#define MALLOCDBG(x...) printk(BIOS_SPEW, x)
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#else
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#define MALLOCDBG(x...)
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#endif
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extern unsigned char _heap, _eheap;
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static void *free_mem_ptr = &_heap; /* Start of heap */
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static void *free_mem_end_ptr = &_eheap; /* End of heap */
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void *malloc(size_t size)
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{
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void *p;
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MALLOCDBG("%s Enter, size %ld, free_mem_ptr %p\n", __func__, size, free_mem_ptr);
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/* Checking arguments */
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if (size < 0)
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die("Error! malloc: size < 0");
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/* Overzealous linker check */
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if (free_mem_ptr <= 0)
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die("Error! malloc: Free_mem_ptr <= 0");
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free_mem_ptr = (void *)ALIGN((unsigned long)free_mem_ptr, 4);
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p = (void *) free_mem_ptr;
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free_mem_ptr += size;
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if (free_mem_ptr >= free_mem_end_ptr)
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die("Error! malloc: Out of memory (free_mem_ptr >= free_mem_end_ptr)");
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MALLOCDBG("malloc %p\n", p);
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return p;
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}
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void free(void *where)
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{
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/* Don't care */
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MALLOCDBG("free %p\n", where);
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}
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