summaryrefslogtreecommitdiff
path: root/arch/x32
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x32')
-rw-r--r--arch/x32/src/sysinfo.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/x32/src/sysinfo.c b/arch/x32/src/sysinfo.c
new file mode 100644
index 00000000..0f11cf3c
--- /dev/null
+++ b/arch/x32/src/sysinfo.c
@@ -0,0 +1,47 @@
+#include <sys/sysinfo.h>
+#include "syscall.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 __x32_sysinfo(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;
+}