mirror of https://github.com/axmolengine/axmol.git
Merge pull request #57 from chuanweizhang2013/v3luaruntime
add support x86
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commit
f543be4c6b
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// Protocol Buffers - Google's data interchange format
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// Copyright 2012 Google Inc. All rights reserved.
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// http://code.google.com/p/protobuf/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// This module gets enough CPU information to optimize the
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// atomicops module on x86.
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#include <cstring>
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#include <google/protobuf/stubs/atomicops.h>
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// This file only makes sense with atomicops_internals_x86_gcc.h -- it
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// depends on structs that are defined in that file. If atomicops.h
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// doesn't sub-include that file, then we aren't needed, and shouldn't
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// try to do anything.
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#ifdef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_X86_GCC_H_
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// Inline cpuid instruction. In PIC compilations, %ebx contains the address
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// of the global offset table. To avoid breaking such executables, this code
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// must preserve that register's value across cpuid instructions.
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#if defined(__i386__)
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#define cpuid(a, b, c, d, inp) \
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asm("mov %%ebx, %%edi\n" \
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"cpuid\n" \
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"xchg %%edi, %%ebx\n" \
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: "=a" (a), "=D" (b), "=c" (c), "=d" (d) : "a" (inp))
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#elif defined(__x86_64__)
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#define cpuid(a, b, c, d, inp) \
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asm("mov %%rbx, %%rdi\n" \
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"cpuid\n" \
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"xchg %%rdi, %%rbx\n" \
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: "=a" (a), "=D" (b), "=c" (c), "=d" (d) : "a" (inp))
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#endif
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#if defined(cpuid) // initialize the struct only on x86
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namespace google {
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namespace protobuf {
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namespace internal {
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// Set the flags so that code will run correctly and conservatively, so even
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// if we haven't been initialized yet, we're probably single threaded, and our
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// default values should hopefully be pretty safe.
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struct AtomicOps_x86CPUFeatureStruct AtomicOps_Internalx86CPUFeatures = {
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false, // bug can't exist before process spawns multiple threads
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false, // no SSE2
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};
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namespace {
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// Initialize the AtomicOps_Internalx86CPUFeatures struct.
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void AtomicOps_Internalx86CPUFeaturesInit() {
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uint32_t eax;
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uint32_t ebx;
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uint32_t ecx;
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uint32_t edx;
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// Get vendor string (issue CPUID with eax = 0)
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cpuid(eax, ebx, ecx, edx, 0);
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char vendor[13];
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memcpy(vendor, &ebx, 4);
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memcpy(vendor + 4, &edx, 4);
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memcpy(vendor + 8, &ecx, 4);
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vendor[12] = 0;
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// get feature flags in ecx/edx, and family/model in eax
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cpuid(eax, ebx, ecx, edx, 1);
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int family = (eax >> 8) & 0xf; // family and model fields
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int model = (eax >> 4) & 0xf;
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if (family == 0xf) { // use extended family and model fields
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family += (eax >> 20) & 0xff;
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model += ((eax >> 16) & 0xf) << 4;
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}
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// Opteron Rev E has a bug in which on very rare occasions a locked
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// instruction doesn't act as a read-acquire barrier if followed by a
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// non-locked read-modify-write instruction. Rev F has this bug in
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// pre-release versions, but not in versions released to customers,
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// so we test only for Rev E, which is family 15, model 32..63 inclusive.
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if (strcmp(vendor, "AuthenticAMD") == 0 && // AMD
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family == 15 &&
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32 <= model && model <= 63) {
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AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug = true;
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} else {
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AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug = false;
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}
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// edx bit 26 is SSE2 which we use to tell use whether we can use mfence
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AtomicOps_Internalx86CPUFeatures.has_sse2 = ((edx >> 26) & 1);
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}
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class AtomicOpsx86Initializer {
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public:
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AtomicOpsx86Initializer() {
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AtomicOps_Internalx86CPUFeaturesInit();
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}
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};
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// A global to get use initialized on startup via static initialization :/
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AtomicOpsx86Initializer g_initer;
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} // namespace
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} // namespace internal
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} // namespace protobuf
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} // namespace google
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#endif // __i386__
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#endif // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_X86_GCC_H_
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@ -13,6 +13,7 @@ LOCAL_SRC_FILES := \
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../../Classes/protobuf-lite/google/protobuf/generated_message_util.cc \
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../../Classes/protobuf-lite/google/protobuf/message_lite.cc \
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../../Classes/protobuf-lite/google/protobuf/stubs/once.cc \
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../../Classes/protobuf-lite/google/protobuf/stubs/atomicops_internals_x86_gcc.cc \
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../../Classes/protobuf-lite/google/protobuf/repeated_field.cc \
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../../Classes/protobuf-lite/google/protobuf/wire_format_lite.cc \
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../../Classes/protobuf-lite/google/protobuf/io/zero_copy_stream.cc \
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@ -233,7 +233,6 @@ void createSimulator(const char* viewName, float width, float height,bool isLand
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}
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//[window setTitle:[NSString stringWithFormat:@"quick-x-player (%0.0f%%)", projectConfig.getFrameScale() * 100]];
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}
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