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Add CpuIdEx function to pass inputs in ecx register (required for E.g. leaf4) (#77)

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Artem Alekseev
2019-06-21 15:13:29 +03:00
committed by Guillaume Chatelet
parent 3ee4a9e801
commit bfb4cf99cc
3 changed files with 18 additions and 10 deletions
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5
test/cpuinfo_x86_test.cc
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@ -25,7 +25,7 @@ namespace cpu_features {
class FakeCpu {
public:
Leaf CpuId(uint32_t leaf_id) const {
Leaf CpuIdEx(uint32_t leaf_id, int ecx) const {
const auto itr = cpuid_leaves_.find(leaf_id);
EXPECT_TRUE(itr != cpuid_leaves_.end()) << "Missing leaf " << leaf_id;
return itr->second;
@ -48,7 +48,8 @@ class FakeCpu {
auto* g_fake_cpu = new FakeCpu();
extern "C" Leaf CpuId(uint32_t leaf_id) { return g_fake_cpu->CpuId(leaf_id); }
extern "C" Leaf CpuIdEx(uint32_t leaf_id, int ecx) { return g_fake_cpu->CpuIdEx(leaf_id, ecx); }
extern "C" uint32_t GetXCR0Eax(void) { return g_fake_cpu->GetXCR0Eax(); }
namespace {