Remove MIPS support

runtime/vm/cpu_mips.cc

Index: runtime/vm/cpu_mips.cc
diff --git a/runtime/vm/cpu_mips.cc b/runtime/vm/cpu_mips.cc
deleted file mode 100644
index 902f59cb0f1196650771c7b02324de9b1a4a82e9..0000000000000000000000000000000000000000
--- a/runtime/vm/cpu_mips.cc
+++ /dev/null
@@ -1,109 +0,0 @@
-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-#include "vm/globals.h"
-#if defined(TARGET_ARCH_MIPS)
-
-#include "vm/cpu.h"
-#include "vm/cpu_mips.h"
-
-#include "vm/cpuinfo.h"
-#include "vm/simulator.h"
-
-#if !defined(USING_SIMULATOR)
-#include <asm/cachectl.h> /* NOLINT */
-#include <sys/syscall.h>  /* NOLINT */
-#include <unistd.h>       /* NOLINT */
-#endif
-
-namespace dart {
-
-void CPU::FlushICache(uword start, uword size) {
-#if !defined(USING_SIMULATOR)
-  int res;
-  // See http://www.linux-mips.org/wiki/Cacheflush_Syscall.
-  res = syscall(__NR_cacheflush, start, size, ICACHE);
-  ASSERT(res == 0);
-#else   // defined(HOST_ARCH_MIPS)
-// When running in simulated mode we do not need to flush the ICache because
-// we are not running on the actual hardware.
-#endif  // defined(HOST_ARCH_MIPS)
-}
-
-
-const char* CPU::Id() {
-  return
-#if defined(USING_SIMULATOR)
-      "sim"
-#endif  // !defined(HOST_ARCH_MIPS)
-      "mips";
-}
-
-
-const char* HostCPUFeatures::hardware_ = NULL;
-MIPSVersion HostCPUFeatures::mips_version_ = MIPSvUnknown;
-#if defined(DEBUG)
-bool HostCPUFeatures::initialized_ = false;
-#endif
-
-
-#if !defined(USING_SIMULATOR)
-void HostCPUFeatures::InitOnce() {
-  CpuInfo::InitOnce();
-  hardware_ = CpuInfo::GetCpuModel();
-  // Has a floating point unit.
-  ASSERT(CpuInfo::FieldContains(kCpuInfoModel, "FPU"));
-
-// We want to know the ISA version, but on MIPS, CpuInfo can't tell us, so
-// we use the same ISA version that Dart's C++ compiler targeted.
-#if defined(_MIPS_ARCH_MIPS32R2)
-  mips_version_ = MIPS32r2;
-#elif defined(_MIPS_ARCH_MIPS32)
-  mips_version_ = MIPS32;
-#endif
-
-#if defined(DEBUG)
-  initialized_ = true;
-#endif
-}
-
-
-void HostCPUFeatures::Cleanup() {
-  DEBUG_ASSERT(initialized_);
-#if defined(DEBUG)
-  initialized_ = false;
-#endif
-  ASSERT(hardware_ != NULL);
-  free(const_cast<char*>(hardware_));
-  hardware_ = NULL;
-  CpuInfo::Cleanup();
-}
-
-#else
-
-void HostCPUFeatures::InitOnce() {
-  CpuInfo::InitOnce();
-  hardware_ = CpuInfo::GetCpuModel();
-  mips_version_ = MIPS32r2;
-#if defined(DEBUG)
-  initialized_ = true;
-#endif
-}
-
-
-void HostCPUFeatures::Cleanup() {
-  DEBUG_ASSERT(initialized_);
-#if defined(DEBUG)
-  initialized_ = false;
-#endif
-  ASSERT(hardware_ != NULL);
-  free(const_cast<char*>(hardware_));
-  hardware_ = NULL;
-  CpuInfo::Cleanup();
-}
-#endif  // defined(HOST_ARCH_MIPS)
-
-}  // namespace dart
-
-#endif  // defined TARGET_ARCH_MIPS