Kernel: Remove get_unix_timestamp from SystemTimer

Kernel now uses the percise real_time() and time_since_boot()

kernel/include/kernel/Timer/Timer.h

@@ -25,10 +25,9 @@ namespace Kernel
 		virtual uint64_t ms_since_boot() const override;
 		virtual timespec time_since_boot() const override;
 		
-		void sleep(uint64_t) const;
+		void sleep(uint64_t ms) const;
 
-		uint64_t get_unix_timestamp() const;
+		timespec real_time() const;
-		timespec get_real_time() const;
 
 	private:
 		SystemTimer() = default;

kernel/kernel/FS/Ext2.cpp

@@ -384,16 +384,16 @@ namespace Kernel
 		if (error_or.error().get_error_code() != ENOENT)
 			return error_or.error();
 
-		uint64_t current_time = SystemTimer::get().get_unix_timestamp();
+		timespec current_time = SystemTimer::get().real_time();
 
 		Ext2::Inode ext2_inode;
 		ext2_inode.mode			= mode;
 		ext2_inode.uid			= uid;
 		ext2_inode.size			= 0;
-		ext2_inode.atime 		= current_time;
+		ext2_inode.atime 		= current_time.tv_sec;
-		ext2_inode.ctime 		= current_time;
+		ext2_inode.ctime 		= current_time.tv_sec;
-		ext2_inode.mtime 		= current_time;
+		ext2_inode.mtime 		= current_time.tv_sec;
-		ext2_inode.dtime 		= current_time;
+		ext2_inode.dtime 		= current_time.tv_sec;
 		ext2_inode.gid			= gid;
 		ext2_inode.links_count	= 1;
 		ext2_inode.blocks		= 0;

kernel/kernel/FS/Pipe.cpp

@@ -17,10 +17,10 @@ namespace Kernel
 		: m_uid(credentials.euid())
 		, m_gid(credentials.egid())
 	{
-		uint64_t current_time = SystemTimer::get().get_unix_timestamp();
+		timespec current_time = SystemTimer::get().real_time();
-		m_atime = { .tv_sec = current_time, .tv_nsec = 0 };
+		m_atime = current_time;
-		m_mtime = { .tv_sec = current_time, .tv_nsec = 0 };
+		m_mtime = current_time;
-		m_ctime = { .tv_sec = current_time, .tv_nsec = 0 };
+		m_ctime = current_time;
 	}
 
 	void Pipe::clone_writing()
@@ -57,8 +57,7 @@ namespace Kernel
 		memmove(m_buffer.data(), m_buffer.data() + to_copy, m_buffer.size() - to_copy);
 		MUST(m_buffer.resize(m_buffer.size() - to_copy));
 
-		uint64_t current_time = SystemTimer::get().get_unix_timestamp();
+		m_atime = SystemTimer::get().real_time();
-		m_atime = { .tv_sec = current_time, .tv_nsec = 0 };
 
 		m_semaphore.unblock();
 
@@ -76,9 +75,9 @@ namespace Kernel
 		TRY(m_buffer.resize(old_size + count));
 		memcpy(m_buffer.data() + old_size, buffer, count);
 
-		uint64_t current_time = SystemTimer::get().get_unix_timestamp();
+		timespec current_time = SystemTimer::get().real_time();
-		m_mtime = { .tv_sec = current_time, .tv_nsec = 0 };
+		m_mtime = current_time;
-		m_ctime = { .tv_sec = current_time, .tv_nsec = 0 };
+		m_ctime = current_time;
 
 		m_semaphore.unblock();
 

kernel/kernel/FS/RamFS/Inode.cpp

@@ -23,10 +23,7 @@ namespace Kernel
 	RamInode::RamInode(RamFileSystem& fs, mode_t mode, uid_t uid, gid_t gid)
 			: m_fs(fs)
 	{
-		uint64_t current_unix_time = SystemTimer::get().get_unix_timestamp();
+		timespec current_time = SystemTimer::get().real_time();
-		timespec current_timespec;
-		current_timespec.tv_sec = current_unix_time;
-		current_timespec.tv_nsec = 0;
 
 		m_inode_info.ino = fs.next_ino();
 		m_inode_info.mode = mode;
@@ -34,9 +31,9 @@ namespace Kernel
 		m_inode_info.uid = uid;
 		m_inode_info.gid = gid;
 		m_inode_info.size = 0;
-		m_inode_info.atime = current_timespec;
+		m_inode_info.atime = current_time;
-		m_inode_info.mtime = current_timespec;
+		m_inode_info.mtime = current_time;
-		m_inode_info.ctime = current_timespec;
+		m_inode_info.ctime = current_time;
 		m_inode_info.blksize = fs.blksize();
 		m_inode_info.blocks = 0;
 		m_inode_info.dev = 0;

kernel/kernel/Process.cpp

@@ -811,9 +811,12 @@ namespace Kernel
 		{
 			case CLOCK_MONOTONIC:
 			{
-				uint64_t time_ms = SystemTimer::get().ms_since_boot();
+				*tp = SystemTimer::get().time_since_boot();
-				tp->tv_sec  =  time_ms / 1000;
+				break;
-				tp->tv_nsec = (time_ms % 1000) * 1000000;
+			}
+			case CLOCK_REALTIME:
+			{
+				*tp = SystemTimer::get().real_time();
 				break;
 			}
 			default:

kernel/kernel/Timer/Timer.cpp

@@ -74,12 +74,7 @@ namespace Kernel
 			dwarnln("sleep woke {} ms too soon", wake_time - ms_since_boot());
 	}
 
-	uint64_t SystemTimer::get_unix_timestamp() const
+	timespec SystemTimer::real_time() const
-	{
-		return m_boot_time + ms_since_boot() / 1000;
-	}
-
-	timespec SystemTimer::get_real_time() const
 	{
 		auto result = time_since_boot();
 		result.tv_sec += m_boot_time;