ref: 634c55543a24e459900fdbad229eb01baae63680
dir: /sys/src/9/kw/uncached.h/
/*
* running the l2 cache as write-back and using cached memory for
* usb data structures yields spurious errors such as
*
* qhintr: td 0x60ee3d80 csw 0x8824a error 0x48 transaction error
*
* from usbehci. so, at least for now, we will use uncached memory until
* we sort out the write-back problems.
*/
#define free ucfree
#define malloc myucalloc
#define mallocz ucallocz
#define smalloc myucalloc
#define xspanalloc ucallocalign
#define allocb ucallocb
#define iallocb uciallocb
#define freeb ucfreeb
static void *
ucallocz(uint n, int)
{
char *p = ucalloc(n);
if (p)
memset(p, 0, n);
else
panic("ucalloc: out of memory");
return p;
}
static void *
myucalloc(uint n)
{
return ucallocz(n, 1);
}