From cf27a71848cddfa19c845555d22e260c185cd955 Mon Sep 17 00:00:00 2001
From: Alexander Richards <electrodeyt@gmail.com>
Date: Wed, 11 Oct 2023 15:07:09 +0200
Subject: [PATCH] [WIP] sysdeps/managarm: implement sys_sysconf

---
 sysdeps/managarm/generic/sched.cpp        | 16 ++++++++++++++++
 sysdeps/managarm/rtdl-generic/support.cpp |  1 +
 2 files changed, 17 insertions(+)

diff --git a/sysdeps/managarm/generic/sched.cpp b/sysdeps/managarm/generic/sched.cpp
index 99f81a28ba..8656576922 100644
--- a/sysdeps/managarm/generic/sched.cpp
+++ b/sysdeps/managarm/generic/sched.cpp
@@ -1,10 +1,12 @@
 #include <bits/ensure.h>
 #include <unistd.h>
+#include <pwd.h>
 
 #include <hel.h>
 #include <hel-syscalls.h>
 #include <mlibc/debug.hpp>
 #include <mlibc/allocator.hpp>
+// #include <mlibc/arch-defs.hpp>
 #include <mlibc/posix-pipe.hpp>
 #include <mlibc/posix-sysdeps.hpp>
 
@@ -94,5 +96,19 @@ int sys_setthreadaffinity(pid_t tid, size_t cpusetsize, const cpu_set_t *mask) {
 	return 0;
 }
 
+int sys_sysconf(int num, long *ret) {
+	mlibc::infoLogger() << "mlibc: sys_sysconf top" << frg::endlog;
+	switch(num) {
+		case _SC_NPROCESSORS_ONLN:
+		case _SC_NPROCESSORS_CONF:
+			*ret = 0;
+			mlibc::infoLogger() << "mlibc: ret = " << ret << ", *ret = " << *ret << frg::endlog;
+			HEL_CHECK(helGetCpuInformation((uint32_t*)ret));
+			mlibc::infoLogger() << "mlibc: ret = " << ret << ", *ret = " << *ret << frg::endlog;
+			return 0;
+		default:
+			return EINVAL;
+	}
+}
 
 }
diff --git a/sysdeps/managarm/rtdl-generic/support.cpp b/sysdeps/managarm/rtdl-generic/support.cpp
index ee8ecbb323..41e8e24889 100644
--- a/sysdeps/managarm/rtdl-generic/support.cpp
+++ b/sysdeps/managarm/rtdl-generic/support.cpp
@@ -372,6 +372,7 @@ int sys_vm_map(void *hint, size_t size, int prot, int flags, int fd, off_t offse
 
 	managarm::posix::SvrResponse<MemoryAllocator> resp(getAllocator());
 	resp.ParseFromArray(recv_resp->data, recv_resp->length);
+	mlibc::infoLogger() << "mlibc: sys_vm_map resp.error()=" << (int)resp.error() << frg::endlog;
 	__ensure(resp.error() == managarm::posix::Errors::SUCCESS);
 	*window = reinterpret_cast<void *>(resp.offset());
 	return 0;