* warranty of any kind, whether express or implied.
*/
+#include <crypto/padlock.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/hw_random.h>
#include <asm/i387.h>
-#define PFX KBUILD_MODNAME ": "
enum {
ts_state = irq_ts_save();
asm(".byte 0x0F,0xA7,0xC0 /* xstore %%edi (addr=%0) */"
- :"=m"(*addr), "=a"(eax_out)
- :"D"(addr), "d"(edx_in));
+ : "=m" (*addr), "=a" (eax_out), "+d" (edx_in), "+D" (addr));
irq_ts_restore(ts_state);
return eax_out;
static int via_rng_data_present(struct hwrng *rng, int wait)
{
+ char buf[16 + PADLOCK_ALIGNMENT - STACK_ALIGN] __attribute__
+ ((aligned(STACK_ALIGN)));
+ u32 *via_rng_datum = (u32 *)PTR_ALIGN(&buf[0], PADLOCK_ALIGNMENT);
u32 bytes_out;
- u32 *via_rng_datum = (u32 *)(&rng->priv);
int i;
/* We choose the recommended 1-byte-per-instruction RNG rate,
break;
udelay(10);
}
+ rng->priv = *via_rng_datum;
return bytes_out ? 1 : 0;
}