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authorGabe Black <gblack@eecs.umich.edu>2006-04-06 15:00:11 -0400
committerGabe Black <gblack@eecs.umich.edu>2006-04-06 15:00:11 -0400
commit6a962f8343d0e7f138baa4034633c986eecc9edf (patch)
treef16fdcc7455b0e7cd14af660ebdeb029db3c669a /arch/alpha/linux/system.cc
parent3124c5b7bb0cdcb3b16b52533c6a3e50a5970152 (diff)
parent6240f8c4bcf12e3367905adfba066bb14f79262a (diff)
downloadgem5-6a962f8343d0e7f138baa4034633c986eecc9edf.tar.xz
Merge m5.eecs.umich.edu:/bk/newmem
into ewok.(none):/home/gblack/m5/newmem --HG-- extra : convert_revision : bd6352647798275a12d52d55a129cdddd8e25423
Diffstat (limited to 'arch/alpha/linux/system.cc')
-rw-r--r--arch/alpha/linux/system.cc48
1 files changed, 12 insertions, 36 deletions
diff --git a/arch/alpha/linux/system.cc b/arch/alpha/linux/system.cc
index f9275d15e..edd2cdaf1 100644
--- a/arch/alpha/linux/system.cc
+++ b/arch/alpha/linux/system.cc
@@ -46,8 +46,8 @@
#include "dev/platform.hh"
#include "kern/linux/printk.hh"
#include "kern/linux/events.hh"
-#include "mem/functional/memory_control.hh"
-#include "mem/functional/physical.hh"
+#include "mem/physical.hh"
+#include "mem/port.hh"
#include "sim/builder.hh"
#include "sim/byteswap.hh"
@@ -59,7 +59,6 @@ LinuxAlphaSystem::LinuxAlphaSystem(Params *p)
: AlphaSystem(p)
{
Addr addr = 0;
- Addr paddr = 0;
/**
* The symbol swapper_pg_dir marks the beginning of the kernel and
@@ -73,25 +72,17 @@ LinuxAlphaSystem::LinuxAlphaSystem(Params *p)
* Since we aren't using a bootloader, we have to copy the
* kernel arguments directly into the kernel's memory.
*/
- paddr = vtophys(physmem, CommandLine());
- char *commandline = (char *)physmem->dma_addr(paddr, sizeof(uint64_t));
- if (commandline)
- strncpy(commandline, params()->boot_osflags.c_str(), CommandLineSize);
+ virtPort.writeBlob(CommandLine(), (uint8_t*)params()->boot_osflags.c_str(),
+ CommandLineSize);
/**
* find the address of the est_cycle_freq variable and insert it
* so we don't through the lengthly process of trying to
* calculated it by using the PIT, RTC, etc.
*/
- if (kernelSymtab->findAddress("est_cycle_freq", addr)) {
- paddr = vtophys(physmem, addr);
- uint8_t *est_cycle_frequency =
- physmem->dma_addr(paddr, sizeof(uint64_t));
-
- if (est_cycle_frequency)
- *(uint64_t *)est_cycle_frequency =
- Clock::Frequency / p->boot_cpu_frequency;
- }
+ if (kernelSymtab->findAddress("est_cycle_freq", addr))
+ virtPort.write(addr, (uint64_t)(Clock::Frequency /
+ p->boot_cpu_frequency));
/**
@@ -100,16 +91,9 @@ LinuxAlphaSystem::LinuxAlphaSystem(Params *p)
* @todo At some point we should change ev5.hh and the palcode to support
* 255 ASNs.
*/
- if (kernelSymtab->findAddress("dp264_mv", addr)) {
- paddr = vtophys(physmem, addr);
- char *dp264_mv = (char *)physmem->dma_addr(paddr, sizeof(uint64_t));
-
- if (dp264_mv) {
- *(uint32_t*)(dp264_mv+0x18) = LittleEndianGuest::htog((uint32_t)127);
- } else
- panic("could not translate dp264_mv addr\n");
-
- } else
+ if (kernelSymtab->findAddress("dp264_mv", addr))
+ virtPort.write(addr + 0x18, LittleEndianGuest::htog((uint32_t)127));
+ else
panic("could not find dp264_mv\n");
#ifndef NDEBUG
@@ -190,15 +174,10 @@ LinuxAlphaSystem::setDelayLoop(ExecContext *xc)
{
Addr addr = 0;
if (kernelSymtab->findAddress("loops_per_jiffy", addr)) {
- Addr paddr = vtophys(physmem, addr);
-
- uint8_t *loops_per_jiffy =
- physmem->dma_addr(paddr, sizeof(uint32_t));
-
Tick cpuFreq = xc->getCpuPtr()->frequency();
Tick intrFreq = platform->intrFrequency();
- *(uint32_t *)loops_per_jiffy =
- (uint32_t)((cpuFreq / intrFreq) * 0.9988);
+ xc->getVirtPort(xc)->write(addr,
+ (uint32_t)((cpuFreq / intrFreq) * 0.9988));
}
}
@@ -224,7 +203,6 @@ LinuxAlphaSystem::PrintThreadInfo::process(ExecContext *xc)
BEGIN_DECLARE_SIM_OBJECT_PARAMS(LinuxAlphaSystem)
Param<Tick> boot_cpu_frequency;
- SimObjectParam<MemoryController *> memctrl;
SimObjectParam<PhysicalMemory *> physmem;
Param<string> kernel;
@@ -247,7 +225,6 @@ END_DECLARE_SIM_OBJECT_PARAMS(LinuxAlphaSystem)
BEGIN_INIT_SIM_OBJECT_PARAMS(LinuxAlphaSystem)
INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"),
- INIT_PARAM(memctrl, "memory controller"),
INIT_PARAM(physmem, "phsyical memory"),
INIT_PARAM(kernel, "file that contains the kernel code"),
INIT_PARAM(console, "file that contains the console code"),
@@ -269,7 +246,6 @@ CREATE_SIM_OBJECT(LinuxAlphaSystem)
AlphaSystem::Params *p = new AlphaSystem::Params;
p->name = getInstanceName();
p->boot_cpu_frequency = boot_cpu_frequency;
- p->memctrl = memctrl;
p->physmem = physmem;
p->kernel_path = kernel;
p->console_path = console;