#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <linux/stringify.h>
#include "header.h"
#include "util.h"

#define mfspr(rn)       ({unsigned long rval; \
			 asm volatile("mfspr %0," __stringify(rn) \
				      : "=r" (rval)); rval; })

#define SPRN_PVR        0x11F	/* Processor Version Register */
#define PVR_VER(pvr)    (((pvr) >>  16) & 0xFFFF) /* Version field */
#define PVR_REV(pvr)    (((pvr) >>   0) & 0xFFFF) /* Revison field */

int
get_cpuid(char *buffer, size_t sz)
{
	unsigned long pvr;
	int nb;

	pvr = mfspr(SPRN_PVR);

	nb = scnprintf(buffer, sz, "%lu,%lu$", PVR_VER(pvr), PVR_REV(pvr));

	/* look for end marker to ensure the entire data fit */
	if (strchr(buffer, '$')) {
		buffer[nb-1] = '\0';
		return 0;
	}
	return -1;
}

char *
get_cpuid_str(void)
{
	char *bufp;

	if (asprintf(&bufp, "%.8lx", mfspr(SPRN_PVR)) < 0)
		bufp = NULL;

	return bufp;
}
ct name='h' onchange='this.form.submit();'>
<option value='emaclite-cleanup'>emaclite-cleanup</option>
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<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=a47b3fca62a34e5956fc9b61065083e9c055d50f'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?id=a47b3fca62a34e5956fc9b61065083e9c055d50f'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/xfrm?id=a47b3fca62a34e5956fc9b61065083e9c055d50f'>xfrm</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/xfrm/xfrm_output.c?id=a47b3fca62a34e5956fc9b61065083e9c055d50f'>xfrm_output.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/net/xfrm/xfrm_output.c?id=a47b3fca62a34e5956fc9b61065083e9c055d50f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>