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#include <sys/sysinfo.h>
#include "syscall.h"
#include "libc.h"
#define klong long long
#define kulong unsigned long long
struct kernel_sysinfo {
klong uptime;
kulong loads[3];
kulong totalram;
kulong freeram;
kulong sharedram;
kulong bufferram;
kulong totalswap;
kulong freeswap;
short procs;
short pad;
kulong totalhigh;
kulong freehigh;
unsigned mem_unit;
};
int __lsysinfo(struct sysinfo *info)
{
struct kernel_sysinfo tmp;
int ret = syscall(SYS_sysinfo, &tmp);
if(ret == -1) return ret;
info->uptime = tmp.uptime;
info->loads[0] = tmp.loads[0];
info->loads[1] = tmp.loads[1];
info->loads[2] = tmp.loads[2];
kulong shifts;
kulong max = tmp.totalram | tmp.totalswap;
__asm__("bsr %1,%0" : "=r"(shifts) : "r"(max));
shifts = shifts >= 32 ? shifts - 31 : 0;
info->totalram = tmp.totalram >> shifts;
info->freeram = tmp.freeram >> shifts;
info->sharedram = tmp.sharedram >> shifts;
info->bufferram = tmp.bufferram >> shifts;
info->totalswap = tmp.totalswap >> shifts;
info->freeswap = tmp.freeswap >> shifts;
info->procs = tmp.procs ;
info->totalhigh = tmp.totalhigh >> shifts;
info->freehigh = tmp.freehigh >> shifts;
info->mem_unit = (tmp.mem_unit ? tmp.mem_unit : 1) << shifts;
return ret;
}
weak_alias(__lsysinfo, sysinfo);
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