Kernel/syscalls - Added syscall for Time_Wait

diff --git a/KernelLand/Kernel/include/syscalls.h b/KernelLand/Kernel/include/syscalls.h
index 03542e1..a8c3b34 100644 (file)
--- a/KernelLand/Kernel/include/syscalls.h
+++ b/KernelLand/Kernel/include/syscalls.h
@@ -16,21 +16,22 @@
 #define SYS_SETFAULTHANDLER    3       // Set signal Handler
 #define SYS_YIELD      4       // Yield remainder of timestamp
 #define SYS_SLEEP      5       // Sleep until messaged or signaled
-#define SYS_WAITEVENT  6       // Wait for an event
-#define SYS_WAITTID    7       // Wait for a thread to do something
-#define SYS_SETNAME    8       // Sets the name of the current thread
-#define SYS_GETNAME    9       // Gets the name of a thread
-#define SYS_GETTID     10      // Get current thread ID
-#define SYS_GETPID     11      // Get current thread group ID
-#define SYS_SETPRI     12      // Set process priority
-#define SYS_SENDMSG    13      // Send an IPC message
-#define SYS_GETMSG     14      // Recieve an IPC message
-#define SYS_GETTIME    15      // Get the current timestamp
-#define SYS_SPAWN      16      // Spawn a new process
-#define SYS_EXECVE     17      // Replace the current process
-#define SYS_LOADBIN    18      // Load a binary into the current address space
-#define SYS_UNLOADBIN  19      // Unload a loaded binary
-#define SYS_LOADMOD    20      // Load a module into the kernel
+#define SYS_TIMEDSLEEP 6       // Sleep until a specified time has elapsed
+#define SYS_WAITEVENT  7       // Wait for an event
+#define SYS_WAITTID    8       // Wait for a thread to do something
+#define SYS_SETNAME    9       // Sets the name of the current thread
+#define SYS_GETNAME    10      // Gets the name of a thread
+#define SYS_GETTID     11      // Get current thread ID
+#define SYS_GETPID     12      // Get current thread group ID
+#define SYS_SETPRI     13      // Set process priority
+#define SYS_SENDMSG    14      // Send an IPC message
+#define SYS_GETMSG     15      // Recieve an IPC message
+#define SYS_GETTIME    16      // Get the current timestamp
+#define SYS_SPAWN      17      // Spawn a new process
+#define SYS_EXECVE     18      // Replace the current process
+#define SYS_LOADBIN    19      // Load a binary into the current address space
+#define SYS_UNLOADBIN  20      // Unload a loaded binary
+#define SYS_LOADMOD    21      // Load a module into the kernel
 #define SYS_GETPHYS    32      // Get the physical address of a page
 #define SYS_MAP        33      // Map a physical address
 #define SYS_ALLOCATE   34      // Allocate a page
@@ -78,6 +79,7 @@ static const char *cSYSCALL_NAMES[] = {
        "SYS_SETFAULTHANDLER",
        "SYS_YIELD",
        "SYS_SLEEP",
+       "SYS_TIMEDSLEEP",
        "SYS_WAITEVENT",
        "SYS_WAITTID",
        "SYS_SETNAME",
@@ -103,7 +105,6 @@ static const char *cSYSCALL_NAMES[] = {
        "",
        "",
        "",
-       "",
        "SYS_GETPHYS",
        "SYS_MAP",
        "SYS_ALLOCATE",

diff --git a/KernelLand/Kernel/include/syscalls.inc.asm b/KernelLand/Kernel/include/syscalls.inc.asm
index eec7edc..8b54a18 100644 (file)
--- a/KernelLand/Kernel/include/syscalls.inc.asm
+++ b/KernelLand/Kernel/include/syscalls.inc.asm
@@ -8,21 +8,22 @@
 %define SYS_SETFAULTHANDLER    3        ;Set signal Handler
 %define SYS_YIELD      4        ;Yield remainder of timestamp
 %define SYS_SLEEP      5        ;Sleep until messaged or signaled
-%define SYS_WAITEVENT  6        ;Wait for an event
-%define SYS_WAITTID    7        ;Wait for a thread to do something
-%define SYS_SETNAME    8        ;Sets the name of the current thread
-%define SYS_GETNAME    9        ;Gets the name of a thread
-%define SYS_GETTID     10       ;Get current thread ID
-%define SYS_GETPID     11       ;Get current thread group ID
-%define SYS_SETPRI     12       ;Set process priority
-%define SYS_SENDMSG    13       ;Send an IPC message
-%define SYS_GETMSG     14       ;Recieve an IPC message
-%define SYS_GETTIME    15       ;Get the current timestamp
-%define SYS_SPAWN      16       ;Spawn a new process
-%define SYS_EXECVE     17       ;Replace the current process
-%define SYS_LOADBIN    18       ;Load a binary into the current address space
-%define SYS_UNLOADBIN  19       ;Unload a loaded binary
-%define SYS_LOADMOD    20       ;Load a module into the kernel
+%define SYS_TIMEDSLEEP 6        ;Sleep until a specified time has elapsed
+%define SYS_WAITEVENT  7        ;Wait for an event
+%define SYS_WAITTID    8        ;Wait for a thread to do something
+%define SYS_SETNAME    9        ;Sets the name of the current thread
+%define SYS_GETNAME    10       ;Gets the name of a thread
+%define SYS_GETTID     11       ;Get current thread ID
+%define SYS_GETPID     12       ;Get current thread group ID
+%define SYS_SETPRI     13       ;Set process priority
+%define SYS_SENDMSG    14       ;Send an IPC message
+%define SYS_GETMSG     15       ;Recieve an IPC message
+%define SYS_GETTIME    16       ;Get the current timestamp
+%define SYS_SPAWN      17       ;Spawn a new process
+%define SYS_EXECVE     18       ;Replace the current process
+%define SYS_LOADBIN    19       ;Load a binary into the current address space
+%define SYS_UNLOADBIN  20       ;Unload a loaded binary
+%define SYS_LOADMOD    21       ;Load a module into the kernel
 %define SYS_GETPHYS    32       ;Get the physical address of a page
 %define SYS_MAP        33       ;Map a physical address
 %define SYS_ALLOCATE   34       ;Allocate a page

diff --git a/KernelLand/Kernel/syscalls.c b/KernelLand/Kernel/syscalls.c
index 7a96011..85fbbf8 100644 (file)
--- a/KernelLand/Kernel/syscalls.c
+++ b/KernelLand/Kernel/syscalls.c
@@ -72,6 +72,10 @@ void SyscallHandler(tSyscallRegs *Regs)
        
        // -- Put the current thread to sleep
        case SYS_SLEEP: Threads_Sleep();        break;
+
+       case SYS_TIMEDSLEEP:
+               Time_Delay(Regs->Arg1);
+               break;
        
        // -- Yield current timeslice
        case SYS_YIELD: Threads_Yield();        break;

diff --git a/KernelLand/Kernel/syscalls.lst b/KernelLand/Kernel/syscalls.lst
index 6a82de2..2c026d6 100644 (file)
--- a/KernelLand/Kernel/syscalls.lst
+++ b/KernelLand/Kernel/syscalls.lst
@@ -6,6 +6,7 @@ SYS_KILL        Send a signal
 SYS_SETFAULTHANDLER    Set signal Handler
 SYS_YIELD      Yield remainder of timestamp
 SYS_SLEEP      Sleep until messaged or signaled
+SYS_TIMEDSLEEP Sleep until a specified time has elapsed
 SYS_WAITEVENT  Wait for an event
 SYS_WAITTID    Wait for a thread to do something