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[/] [aemb/] [trunk/] [sw/] [cc/] [memtest.hh] - Diff between revs 174 and 175

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Rev 174	Rev 175
Line 1...	Line 1...
`/* $Id: memtest.hh,v 1.2 2008-06-21 10:01:35 sybreon Exp $`	`/* $Id: memtest.hh,v 1.3 2008-06-23 22:05:14 sybreon Exp $`
`**`	`**`
`** MEMORY TEST FUNCTIONS`	`** MEMORY TEST FUNCTIONS`
`** Copyright (C) 2008 Shawn Tan`	`** Copyright (C) 2008 Shawn Tan`
`**`	`**`
`** This file is part of AEMB.`	`** This file is part of AEMB.`
Line 47...	Line 47...

`inline int memtestAddressBus(volatile int *ram, int len)`	`inline int memtestAddressBus(volatile int *ram, int len)`
`{`	`{`
`const int p = 0xAAAAAAAA;`	`const int p = 0xAAAAAAAA;`
`const int q = 0x55555555;`	`const int q = 0x55555555;`
	`int nlen = (len >> 2) - 1;`

`// prefill memory`	`// prefill memory`
`for (int i=1; (i & (len-1))!=0 ; i<<=1)`	`for (int i=1; (i & nlen)!=0 ; i<<=1)`
`{`	`{`
`ram[i] = p;`	`ram[i] = p;`
`}`	`}`

`// check 1 - stuck high`	`// check 1 - stuck high`
`ram[0] = q;`	`ram[0] = q;`
`for (int i=1; (i & (len-1))!=0 ; i<<=1)`	`for (int i=1; (i & nlen)!=0 ; i<<=1)`
`{`	`{`
`if (ram[i] != p)`	`if (ram[i] != p)`
`return ram[i];`	`return ram[i];`
`}`	`}`
`ram[0] = p;`	`ram[0] = p;`

`// check 2 - stuck low`	`// check 2 - stuck low`
`for (int j=1; (j & (len-1))!=0 ; j<<=1)`	`for (int j=1; (j & nlen)!=0 ; j<<=1)`
`{`	`{`
`ram[j] = q;`	`ram[j] = q;`
`for (int i=1; (i & (len-1))!=0 ; i<<=1)`	`for (int i=1; (i & nlen)!=0 ; i<<=1)`
`{`	`{`
`if ((ram[i] != p) && (i != j))`	`if ((ram[i] != p) && (i != j))`
`return ram[i];`	`return ram[i];`
`}`	`}`
`ram[j] = p;`	`ram[j] = p;`
Line 115...	Line 116...

`#endif`	`#endif`

`/*`	`/*`
$Log: not supported by cvs2svn $	$Log: not supported by cvs2svn $
	`Revision 1.2 2008/06/21 10:01:35 sybreon`
	`* empty log message *`

`Revision 1.1 2008/06/20 17:51:23 sybreon`	`Revision 1.1 2008/06/20 17:51:23 sybreon`
`initial import`	`initial import`

`*/`	`*/`

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[/] [aemb/] [trunk/] [sw/] [cc/] [memtest.hh] - Diff between revs 174 and 175