From f4e5776df4bf20836fb917b7ba0a859c674600a5 Mon Sep 17 00:00:00 2001
From: Benjamin Nash <benash@umich.edu>
Date: Fri, 17 Jun 2005 18:08:05 -0400
Subject: I/O changes and SkipFuncEvents to increase FreeBSD compatibility.

SConscript:
    Added kern/freebsd/freebsd_events.cc.
arch/alpha/isa_traits.hh:
    Added Argument to support replacement of calibrate_clocks function in FreeBSD.
dev/ns_gige.hh:
    Fixed NIC model number typo.
dev/tsunami_io.cc:
    Added support for RTC writes and PIC 2 mask reads.  Made RTC static member.
dev/tsunami_io.hh:
    Made RTC static member.
kern/freebsd/freebsd_system.cc:
    Added events to skip functions in FreeBSD.
kern/freebsd/freebsd_system.hh:
    Added events to skip certain functions.

--HG--
extra : convert_revision : 8aaca51d3f9b1bb601722a5bae240aae77b445db
---
 kern/freebsd/freebsd_system.cc | 51 +++++++++++++++++++++++++++++++++++++++++-
 kern/freebsd/freebsd_system.hh | 16 +++++++++++--
 2 files changed, 64 insertions(+), 3 deletions(-)

(limited to 'kern')

diff --git a/kern/freebsd/freebsd_system.cc b/kern/freebsd/freebsd_system.cc
index a22fda9dc..08d1af824 100644
--- a/kern/freebsd/freebsd_system.cc
+++ b/kern/freebsd/freebsd_system.cc
@@ -29,7 +29,7 @@
 /**
  * @file
  * Modifications for the FreeBSD kernel.  Based off of kern/linux/linux_system.cc.
- * Currently only used to skip DELAY function. -Ben
+ * Currently only used to skip DELAY function.
  *
  */
 
@@ -64,11 +64,60 @@ FreebsdSystem::FreebsdSystem(Params *p)
     skipDelayEvent = new SkipFuncEvent(&pcEventQueue, "DELAY");
     if (kernelSymtab->findAddress("DELAY", addr))
         skipDelayEvent->schedule(addr+sizeof(MachInst));
+
+    skipOROMEvent = new SkipFuncEvent(&pcEventQueue, "orm_identify");
+    if (kernelSymtab->findAddress("orm_identify", addr))
+        skipOROMEvent->schedule(addr+sizeof(MachInst));
+
+    skipAicEvent = new SkipFuncEvent(&pcEventQueue, "ahc_isa_identify");
+    if (kernelSymtab->findAddress("ahc_isa_identify", addr))
+        skipAicEvent->schedule(addr+sizeof(MachInst));
+
+    skipPNPEvent = new SkipFuncEvent(&pcEventQueue, "pnp_identify");
+    if (kernelSymtab->findAddress("pnp_identify", addr))
+        skipPNPEvent->schedule(addr+sizeof(MachInst));
+
+    skipATAEvent = new SkipFuncEvent(&pcEventQueue, "ata_attach");
+    if (kernelSymtab->findAddress("ata_attach", addr))
+        skipATAEvent->schedule(addr+sizeof(MachInst));
+
+    skipCalibrateClocks = new FreebsdSkipCalibrateClocksEvent(&pcEventQueue, "calibrate_clocks");
+    if (kernelSymtab->findAddress("calibrate_clocks", addr))
+        skipCalibrateClocks->schedule(addr + sizeof(MachInst) * 2);
+
 }
 
+
 FreebsdSystem::~FreebsdSystem()
 {
     delete skipDelayEvent;
+    delete skipOROMEvent;
+    delete skipAicEvent;
+    delete skipATAEvent;
+    delete skipPNPEvent;
+    delete skipCalibrateClocks;
+}
+
+
+void
+FreebsdSystem::doCalibrateClocks(ExecContext *xc)
+{
+    Addr ppc_vaddr = 0;
+    Addr timer_vaddr = 0;
+    Addr ppc_paddr = 0;
+    Addr timer_paddr = 0;
+
+    ppc_vaddr = (Addr)xc->regs.intRegFile[ArgumentReg1];
+    timer_vaddr = (Addr)xc->regs.intRegFile[ArgumentReg2];
+
+    ppc_paddr = vtophys(physmem, ppc_vaddr);
+    timer_paddr = vtophys(physmem, timer_vaddr);
+
+    uint8_t *ppc = physmem->dma_addr(ppc_paddr, sizeof(uint32_t));
+    uint8_t *timer = physmem->dma_addr(timer_paddr, sizeof(uint32_t));
+
+    *(uint32_t *)ppc = 2000000000;
+    *(uint32_t *)timer = 1193180;
 }
 
 
diff --git a/kern/freebsd/freebsd_system.hh b/kern/freebsd/freebsd_system.hh
index 8caa81cbc..3e9867733 100644
--- a/kern/freebsd/freebsd_system.hh
+++ b/kern/freebsd/freebsd_system.hh
@@ -32,10 +32,11 @@
 #include "sim/host.hh"
 #include "sim/system.hh"
 #include "targetarch/isa_traits.hh"
+#include "kern/freebsd/freebsd_events.hh"
 
 
 /**
- * This class skips a lengthy function in the FreeBSD kernel.
+ * This class skips lengthy functions in the FreeBSD kernel.
  */
 class FreebsdSystem : public System
 {
@@ -44,10 +45,21 @@ class FreebsdSystem : public System
     /** PC based event to skip the DELAY call */
     SkipFuncEvent *skipDelayEvent;
 
+    SkipFuncEvent *skipOROMEvent;
+
+    SkipFuncEvent *skipAicEvent;
+
+    SkipFuncEvent *skipPNPEvent;
+
+    SkipFuncEvent *skipATAEvent;
+
+    FreebsdSkipCalibrateClocksEvent *skipCalibrateClocks;
+
   public:
     FreebsdSystem(Params *p);
     ~FreebsdSystem();
+    void doCalibrateClocks(ExecContext *xc);
 
 };
 
-#endif // __KERN_LINUX_LINUX_SYSTEM_HH__
+#endif // __KERN_FREEBSD_FREEBSD_SYSTEM_HH__
-- 
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