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< a href = "#define-members" > Macros< / a > |
< a href = "#func-members" > Functions< / a > |
< a href = "#var-members" > Variables< / a > < / div >
< div class = "headertitle" >
< div class = "title" > kmalloc.c File Reference< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
< div class = "textblock" > < code > #include " cpu/arch_consts.h" < / code > < br / >
< code > #include < math.h> < / code > < br / >
< code > #include < stdlib.h> < / code > < br / >
< code > #include < string.h> < / code > < br / >
< / div > < table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "define-members" > < / a >
Macros< / h2 > < / td > < / tr >
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#define  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "kmalloc_8c.html#a0590e61e5f511e2903e80dd97863b978" > KMALLOC_BMAP_SZ< / a >       (((KMALLOC_SZ*1024)/4)/8)< / td > < / tr >
< tr class = "memdesc:a0590e61e5f511e2903e80dd97863b978" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > The size of the kmalloc bitmap. < br / > < / td > < / tr >
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Functions< / h2 > < / td > < / tr >
< tr class = "memitem:a47146a9a25f3dded401dfa59fb831d40" > < td class = "memItemLeft" align = "right" valign = "top" > static char  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "kmalloc_8c.html#a47146a9a25f3dded401dfa59fb831d40" > get_bmap_bit< / a > (size_t index)< / td > < / tr >
< tr class = "separator:a47146a9a25f3dded401dfa59fb831d40" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a9374790c8f20fb22e7b04472e67df7b5" > < td class = "memItemLeft" align = "right" valign = "top" > static void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "kmalloc_8c.html#a9374790c8f20fb22e7b04472e67df7b5" > set_bmap_bit< / a > (size_t index)< / td > < / tr >
< tr class = "separator:a9374790c8f20fb22e7b04472e67df7b5" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a5ecbd230a1da28644f56c5af47904855" > < td class = "memItemLeft" align = "right" valign = "top" > static void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "kmalloc_8c.html#a5ecbd230a1da28644f56c5af47904855" > clear_bmap_bit< / a > (size_t index)< / td > < / tr >
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< tr class = "memitem:a5f52d7c56b7d67dc2f96b2e93dfdc7be" > < td class = "memItemLeft" align = "right" valign = "top" > void *  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "kmalloc_8c.html#a5f52d7c56b7d67dc2f96b2e93dfdc7be" > kmalloc< / a > (size_t size)< / td > < / tr >
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< tr class = "memitem:ae99fbcc0b427b9bf726c73960c29efcb" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "kmalloc_8c.html#ae99fbcc0b427b9bf726c73960c29efcb" > kfree< / a > (void *mem)< / td > < / tr >
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Variables< / h2 > < / td > < / tr >
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static char  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "kmalloc_8c.html#adcc3b3dc46d5e343ae6cc0bcb475ba19" > bitmap< / a > [< a class = "el" href = "kmalloc_8c.html#a0590e61e5f511e2903e80dd97863b978" > KMALLOC_BMAP_SZ< / a > ]< / td > < / tr >
< tr class = "memdesc:adcc3b3dc46d5e343ae6cc0bcb475ba19" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Bitmap of used areas of the heap. < br / > < / td > < / tr >
< tr class = "separator:adcc3b3dc46d5e343ae6cc0bcb475ba19" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a735984d41155bc1032e09bece8f8d66d" > < td class = "memItemLeft" align = "right" valign = "top" > < a id = "a735984d41155bc1032e09bece8f8d66d" > < / a >
static void *  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "kmalloc_8c.html#a735984d41155bc1032e09bece8f8d66d" > data< / a > =(void*)KMALLOC_START< / td > < / tr >
< tr class = "memdesc:a735984d41155bc1032e09bece8f8d66d" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Start of the kmalloc heap. < br / > < / td > < / tr >
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< h2 class = "groupheader" > Function Documentation< / h2 >
< a id = "a5ecbd230a1da28644f56c5af47904855" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a5ecbd230a1da28644f56c5af47904855" > ◆ < / a > < / span > clear_bmap_bit()< / h2 >
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< td class = "memname" > static void clear_bmap_bit < / td >
< td > (< / td >
< td class = "paramtype" > size_t  < / td >
< td class = "paramname" > < em > index< / em > < / td > < td > )< / td >
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< p > Clear a bit in the heap bitmap < / p > < dl class = "params" > < dt > Parameters< / dt > < dd >
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< tr > < td class = "paramname" > index< / td > < td > The bit to clear < / td > < / tr >
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< a id = "a47146a9a25f3dded401dfa59fb831d40" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a47146a9a25f3dded401dfa59fb831d40" > ◆ < / a > < / span > get_bmap_bit()< / h2 >
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< td class = "memname" > static char get_bmap_bit < / td >
< td > (< / td >
< td class = "paramtype" > size_t  < / td >
< td class = "paramname" > < em > index< / em > < / td > < td > )< / td >
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< p > Get a bit in the heap bitmap < / p > < dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > index< / td > < td > The bit to get < / td > < / tr >
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< dl class = "section return" > < dt > Returns< / dt > < dd > the bit < / dd > < / dl >
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< / div >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ae99fbcc0b427b9bf726c73960c29efcb" > ◆ < / a > < / span > kfree()< / h2 >
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< td class = "memname" > void kfree < / td >
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< td > < / td >
< / tr >
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< p > Free a block in the kernel heap < / p > < dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > mem< / td > < td > The address of the block < / td > < / tr >
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< / dd >
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< / div >
< a id = "a5f52d7c56b7d67dc2f96b2e93dfdc7be" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a5f52d7c56b7d67dc2f96b2e93dfdc7be" > ◆ < / a > < / span > kmalloc()< / h2 >
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< td class = "memname" > void* kmalloc < / td >
< td > (< / td >
< td class = "paramtype" > size_t  < / td >
< td class = "paramname" > < em > size< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Allocate a block in the kernel heap < / p > < dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > size< / td > < td > The size of the block < / td > < / tr >
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< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > the address of the block in the heap. < / dd > < / dl >
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< / div >
< a id = "a9374790c8f20fb22e7b04472e67df7b5" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a9374790c8f20fb22e7b04472e67df7b5" > ◆ < / a > < / span > set_bmap_bit()< / h2 >
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< td class = "memname" > static void set_bmap_bit < / td >
< td > (< / td >
< td class = "paramtype" > size_t  < / td >
< td class = "paramname" > < em > index< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / td >
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< span class = "mlabels" > < span class = "mlabel" > static< / span > < / span > < / td >
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< p > Set a bit in the heap bitmap < / p > < dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > index< / td > < td > The bit to set < / td > < / tr >
< / table >
< / dd >
< / dl >
< / div >
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< / div > <!-- contents -->
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< li class = "navelem" > < a class = "el" href = "dir_dc43877d82dd332f9fb2071fcca799d6.html" > kernel< / a > < / li > < li class = "navelem" > < a class = "el" href = "kmalloc_8c.html" > kmalloc.c< / a > < / li >
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