#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;
}
dd11d0152fb9b6067e7aac140'/><select name='h' onchange='this.form.submit();'>
<option value='emaclite-cleanup'>emaclite-cleanup</option>
<option value='master'>master</option>
<option value='nds-private-remove' selected='selected'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=04fa3e680b4dd2fdd11d0152fb9b6067e7aac140'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/tools/objtool/Makefile?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/tools/objtool/Makefile?h=nds-private-remove&amp;id=04fa3e680b4dd2fdd11d0152fb9b6067e7aac140'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/tools/objtool/Makefile?h=nds-private-remove&amp;id=04fa3e680b4dd2fdd11d0152fb9b6067e7aac140'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/tools/objtool/Makefile?h=nds-private-remove&amp;id=04fa3e680b4dd2fdd11d0152fb9b6067e7aac140'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/tools/objtool/Makefile'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=04fa3e680b4dd2fdd11d0152fb9b6067e7aac140'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools?h=nds-private-remove&amp;id=04fa3e680b4dd2fdd11d0152fb9b6067e7aac140'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/objtool?h=nds-private-remove&amp;id=04fa3e680b4dd2fdd11d0152fb9b6067e7aac140'>objtool</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/objtool/Makefile?h=nds-private-remove&amp;id=04fa3e680b4dd2fdd11d0152fb9b6067e7aac140'>Makefile</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/tools/objtool/Makefile?h=nds-private-remove&amp;id=04fa3e680b4dd2fdd11d0152fb9b6067e7aac140&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>