Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/libc-top-half/musl/src/linux/x32/sysinfo.c b/libc-top-half/musl/src/linux/x32/sysinfo.c
new file mode 100644
index 0000000..59b3bb7
--- /dev/null
+++ b/libc-top-half/musl/src/linux/x32/sysinfo.c
@@ -0,0 +1,49 @@
+#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 __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);