diff options
author | Gabe Black <gblack@eecs.umich.edu> | 2006-04-06 15:00:11 -0400 |
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committer | Gabe Black <gblack@eecs.umich.edu> | 2006-04-06 15:00:11 -0400 |
commit | 6a962f8343d0e7f138baa4034633c986eecc9edf (patch) | |
tree | f16fdcc7455b0e7cd14af660ebdeb029db3c669a /arch/alpha/linux/system.cc | |
parent | 3124c5b7bb0cdcb3b16b52533c6a3e50a5970152 (diff) | |
parent | 6240f8c4bcf12e3367905adfba066bb14f79262a (diff) | |
download | gem5-6a962f8343d0e7f138baa4034633c986eecc9edf.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.cc | 48 |
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; |