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71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
#include <stdint.h>
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#include <stddef.h>
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#if !CPUINFO_MOCK
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#error This file should be built only in mock mode
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#endif
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#include <cpuinfo-mock.h>
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static struct cpuinfo_mock_cpuid* cpuinfo_mock_cpuid_data = NULL;
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static uint32_t cpuinfo_mock_cpuid_entries = 0;
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static uint32_t cpuinfo_mock_cpuid_leaf4_iteration = 0;
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void CPUINFO_ABI cpuinfo_mock_set_cpuid(struct cpuinfo_mock_cpuid* dump, size_t entries) {
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cpuinfo_mock_cpuid_data = dump;
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cpuinfo_mock_cpuid_entries = entries;
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};
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void CPUINFO_ABI cpuinfo_mock_get_cpuid(uint32_t eax, uint32_t regs[4]) {
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if (eax != 4) {
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cpuinfo_mock_cpuid_leaf4_iteration = 0;
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}
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if (cpuinfo_mock_cpuid_data != NULL && cpuinfo_mock_cpuid_entries != 0) {
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if (eax == 4) {
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uint32_t skip_entries = cpuinfo_mock_cpuid_leaf4_iteration;
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for (uint32_t i = 0; i < cpuinfo_mock_cpuid_entries; i++) {
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if (eax == cpuinfo_mock_cpuid_data[i].input_eax) {
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if (skip_entries-- == 0) {
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regs[0] = cpuinfo_mock_cpuid_data[i].eax;
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regs[1] = cpuinfo_mock_cpuid_data[i].ebx;
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regs[2] = cpuinfo_mock_cpuid_data[i].ecx;
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regs[3] = cpuinfo_mock_cpuid_data[i].edx;
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cpuinfo_mock_cpuid_leaf4_iteration++;
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return;
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}
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}
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}
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} else {
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for (uint32_t i = 0; i < cpuinfo_mock_cpuid_entries; i++) {
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if (eax == cpuinfo_mock_cpuid_data[i].input_eax) {
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regs[0] = cpuinfo_mock_cpuid_data[i].eax;
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regs[1] = cpuinfo_mock_cpuid_data[i].ebx;
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regs[2] = cpuinfo_mock_cpuid_data[i].ecx;
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regs[3] = cpuinfo_mock_cpuid_data[i].edx;
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return;
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}
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}
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}
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}
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regs[0] = regs[1] = regs[2] = regs[3] = 0;
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}
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void CPUINFO_ABI cpuinfo_mock_get_cpuidex(uint32_t eax, uint32_t ecx, uint32_t regs[4]) {
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cpuinfo_mock_cpuid_leaf4_iteration = 0;
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if (cpuinfo_mock_cpuid_data != NULL && cpuinfo_mock_cpuid_entries != 0) {
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for (uint32_t i = 0; i < cpuinfo_mock_cpuid_entries; i++) {
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if (eax == cpuinfo_mock_cpuid_data[i].input_eax &&
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ecx == cpuinfo_mock_cpuid_data[i].input_ecx)
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{
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regs[0] = cpuinfo_mock_cpuid_data[i].eax;
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regs[1] = cpuinfo_mock_cpuid_data[i].ebx;
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regs[2] = cpuinfo_mock_cpuid_data[i].ecx;
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regs[3] = cpuinfo_mock_cpuid_data[i].edx;
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return;
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}
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}
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}
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regs[0] = regs[1] = regs[2] = regs[3] = 0;
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}
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