1 files changed, 335 insertions, 0 deletions
diff --git a/private/ntos/fw/alpha/jnfsstb.c b/private/ntos/fw/alpha/jnfsstb.c
new file mode 100644
index 000000000..4cf40edea
--- /dev/null
+++ b/private/ntos/fw/alpha/jnfsstb.c
@@ -0,0 +1,335 @@
+/*++
+
+Module Name:
+
+    jnfsstb.c
+
+Abstract:
+
+    \nt\private\ntos\bldr\alpha\stubs.c variant stub functions for
+    the FailSafe Booter.
+
+Author:
+
+    John DeRosa		20-Oct-1992
+
+Environment:
+
+    Kernel mode only.
+
+Revision History:
+
+--*/
+
+#include "fwp.h"
+#include "fwstring.h"
+
+//
+// Define global data.
+//
+
+ULONG BlDcacheFillSize = 32;
+
+VOID
+KeBugCheck (
+    IN ULONG BugCheckCode
+    )
+
+/*++
+
+Routine Description:
+
+    This function crashes the system in a controlled manner.
+
+    Alpha/Jensen firmware will try to run the Monitor instead of the
+    kernel debugger.
+
+Arguments:
+
+    BugCheckCode - Supplies the reason for the bug check.
+
+Return Value:
+
+    None.
+
+--*/
+
+{
+
+#ifdef JENSEN
+
+    //
+    // Print out the bug check code and halt.
+    //
+
+    VenPrint1(ST_BUGCHECK_MSG, BugCheckCode);
+    VenPrint(ST_HIT_KEY_FOR_REBOOT_MSG);
+    FwWaitForKeypress(FALSE);
+    AlphaInstHalt();
+
+#else
+
+    //
+    // Print out the bug check code and break.
+    //
+
+    DbgPrint(ST_BUGCHECK_MSG, BugCheckCode);
+    while(TRUE) {
+        DbgBreakPoint();
+    };
+
+#endif
+
+    return;
+}
+
+LARGE_INTEGER
+KeQueryPerformanceCounter (
+    OUT PLARGE_INTEGER Frequency OPTIONAL
+    )
+
+/*++
+
+Routine Description:
+
+    This routine is a stub for the kernel debugger and always returns a
+    value of zero.
+
+Arguments:
+
+    Frequency - Supplies an optional pointer to a variable which receives
+        the performance counter frequency in Hertz.
+
+Return Value:
+
+    A value of zero is returned.
+
+--*/
+
+{
+
+    LARGE_INTEGER Counter;
+
+    //
+    // Return the current system time as the function value.
+    //
+
+    Counter.LowPart = 0;
+    Counter.HighPart = 0;
+    return Counter;
+}
+
+VOID
+KeStallExecutionProcessor (
+    IN ULONG MicroSeconds
+    )
+
+/*++
+
+Routine Description:
+
+    This function stalls execution for the specified number of microseconds.
+
+Arguments:
+
+    MicroSeconds - Supplies the number of microseconds that execution is to be
+        stalled.
+
+Return Value:
+
+    None.
+
+--*/
+
+{
+
+    ULONG Index;
+    ULONG Limit;
+    PULONG Store;
+    ULONG Value;
+
+    //
+    // ****** begin temporary code ******
+    //
+    // This code must be replaced with a smarter version. For now it assumes
+    // an execution rate of 80,000,000 instructions per second and 4 instructions
+    // per iteration.
+    //
+
+    Store = &Value;
+    Limit = (MicroSeconds * 80 / 4);
+    for (Index = 0; Index < Limit; Index += 1) {
+        *Store = Index;
+    }
+    return;
+}
+
+BOOLEAN
+KeFreezeExecution (
+    IN PKTRAP_FRAME TrapFrame,
+    IN PEXCEPTION_RECORD ExceptionRecord
+    )
+
+/*++
+
+Routine Description:
+
+    This function freezes the execution of all other processors in the host
+    configuration and then returns to the caller. It is intended for use by
+    the kernel debugger.
+
+Arguments:
+
+    None.
+
+Return Value:
+
+    Whether interrupts were previously enabled.
+
+--*/
+
+{
+
+    return FALSE;
+}
+
+VOID
+KeThawExecution (
+    IN KIRQL Irql
+    )
+
+/*++
+
+Routine Description:
+
+    This function unfreezes the execution of all other processors in the host
+    configuration and then returns to the caller. It is intended for use by
+    the kernel debugger.
+
+Arguments:
+
+    Irql - Supplies the level that the IRQL is to be lowered to after having
+        unfrozen the execution of all other processors.
+
+Return Value:
+
+    None.
+
+--*/
+
+{
+
+    return;
+}
+
+PVOID
+MmDbgReadCheck (
+    IN PVOID VirtualAddress
+    )
+
+/*++
+
+Routine Description:
+
+    This routine returns the phyiscal address for a virtual address
+    which is valid (mapped) for read access.
+
+Arguments:
+
+    VirtualAddress - Supplies the virtual address to check.
+
+Return Value:
+
+    Returns NULL if the address is not valid or readable, otherwise
+    returns the physical address of the corresponding virtual address.
+
+--*/
+
+{
+
+    return VirtualAddress;
+}
+
+PVOID
+MmDbgTranslatePhysicalAddress (
+    IN PHYSICAL_ADDRESS PhysicalAddress
+    )
+
+/*++
+
+Routine Description:
+
+    This routine returns the phyiscal address for a physical address
+    which is valid (mapped).
+
+Arguments:
+
+    PhysicalAddress - Supplies the physical address to check.
+
+Return Value:
+
+    Returns NULL if the address is not valid or readable, otherwise
+    returns the physical address of the corresponding virtual address.
+
+--*/
+
+{
+
+    return (PVOID)PhysicalAddress.LowPart;
+}
+
+PVOID
+MmDbgWriteCheck (
+    IN PVOID VirtualAddress
+    )
+
+/*++
+
+Routine Description:
+
+    This routine returns the phyiscal address for a virtual address
+    which is valid (mapped) for write access.
+
+Arguments:
+
+    VirtualAddress - Supplies the virtual address to check.
+
+Return Value:
+
+    Returns NULL if the address is not valid or readable, otherwise
+    returns the physical address of the corresponding virtual address.
+
+--*/
+
+{
+    return VirtualAddress;
+}
+
+VOID
+RtlAssert(
+    IN PVOID FailedAssertion,
+    IN PVOID FileName,
+    IN ULONG LineNumber,
+    IN PCHAR Message OPTIONAL
+    )
+{
+
+#ifdef JENSEN
+
+    //
+    // Print out the assertion failure and go to the monitor.
+    //
+
+    VenPrint(ST_ASSERT_MSG);
+    AlphaInstHalt();
+
+#else
+
+    DbgPrint(ST_ASSERT_MSG);
+    while (TRUE) {
+        DbgBreakPoint();
+    }
+
+#endif
+
+}