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[v0.97] Manually merge bugfix branch with latest fixes

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Dr-Noob
2021-04-09 15:14:47 +02:00
parent 32b035f1a2 e8d2898ae3
commit ecca042d86
7 changed files with 136 additions and 33 deletions
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133
src/x86/cpuid.c
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@@ -310,11 +310,18 @@ struct cpuInfo* get_cpu_info() {
printWarn("Can't read cpu name from cpuid (needed extended level is 0x%.8X, max is 0x%.8X)", 0x80000004, cpu->maxExtendedLevels);
}
cpu->topology_extensions = false;
if(cpu->cpu_vendor == CPU_VENDOR_AMD && cpu->maxExtendedLevels >= 0x80000001) {
eax = 0x80000001;
cpuid(&eax, &ebx, &ecx, &edx);
cpu->topology_extensions = (ecx >> 22) & 1;
}
cpu->arch = get_cpu_uarch(cpu);
cpu->freq = get_frequency_info(cpu);
cpu->cach = get_cache_info(cpu);
cpu->topo = get_topology_info(cpu, cpu->cach);
if(cpu->cach == NULL || cpu->topo == NULL) {
return NULL;
}
@@ -322,7 +329,7 @@ struct cpuInfo* get_cpu_info() {
}
bool get_cache_topology_amd(struct cpuInfo* cpu, struct topology* topo) {
if(cpu->maxExtendedLevels >= 0x8000001D) {
if(cpu->maxExtendedLevels >= 0x8000001D && cpu->topology_extensions) {
uint32_t i, eax, ebx, ecx, edx, num_sharing_cache, cache_type, cache_level;
i = 0;
@@ -379,7 +386,7 @@ bool get_cache_topology_amd(struct cpuInfo* cpu, struct topology* topo) {
} while (cache_type > 0);
}
else {
printWarn("Can't read topology information from cpuid (needed extended level is 0x%.8X, max is 0x%.8X). Guessing cache sizes", 0x8000001D, cpu->maxExtendedLevels);
printWarn("Can't read topology information from cpuid (needed extended level is 0x%.8X, max is 0x%.8X and topology_extensions=%s). Guessing cache topology", 0x8000001D, cpu->maxExtendedLevels, cpu->topology_extensions ? "true" : "false");
topo->cach->L1i->num_caches = topo->physical_cores;
topo->cach->L1d->num_caches = topo->physical_cores;
@@ -440,13 +447,13 @@ struct topology* get_topology_info(struct cpuInfo* cpu, struct cache* cach) {
cpuid(&eax, &ebx, &ecx, &edx);
topo->logical_cores = (ecx & 0xFF) + 1;
if (cpu->maxExtendedLevels >= 0x8000001E) {
if (cpu->maxExtendedLevels >= 0x8000001E && cpu->topology_extensions) {
eax = 0x8000001E;
cpuid(&eax, &ebx, &ecx, &edx);
topo->smt_supported = ((ebx >> 8) & 0x03) + 1;
}
else {
printWarn("Can't read topology information from cpuid (needed extended level is 0x%.8X, max is 0x%.8X)", 0x8000001E, cpu->maxExtendedLevels);
printWarn("Can't read topology information from cpuid (needed extended level is 0x%.8X, max is 0x%.8X and topology_extensions=%s)", 0x8000001E, cpu->maxExtendedLevels, cpu->topology_extensions ? "true" : "false");
topo->smt_supported = 1;
}
}
@@ -610,8 +617,8 @@ struct cache* get_cache_info(struct cpuInfo* cpu) {
}
else {
level = 0x8000001D;
if(cpu->maxExtendedLevels < level) {
printWarn("Can't read cache information from cpuid (needed extended level is 0x%.8X, max is 0x%.8X)", level, cpu->maxExtendedLevels);
if(cpu->maxExtendedLevels < level || !cpu->topology_extensions) {
printWarn("Can't read cache information from cpuid (needed extended level is 0x%.8X, max is 0x%.8X and topology_extensions=%s)", level, cpu->maxExtendedLevels, cpu->topology_extensions ? "true" : "false");
level = 0x80000006;
if(cpu->maxExtendedLevels < level) {
printWarn("Can't read cache information from cpuid using old method (needed extended level is 0x%.8X, max is 0x%.8X)", level, cpu->maxExtendedLevels);
@@ -625,29 +632,6 @@ struct cache* get_cache_info(struct cpuInfo* cpu) {
}
}
// Sanity checks. If we read values greater than this, they can't be valid ones
// The values were chosen by me
if(cach->L1i->size > 64 * 1024) {
printBug("Invalid L1i size: %dKB", cach->L1i->size/1024);
}
if(cach->L1d->size > 64 * 1024) {
printBug("Invalid L1d size: %dKB", cach->L1d->size/1024);
}
if(cach->L2->exists) {
if(cach->L3->exists && cach->L2->size > 2 * 1048576) {
printBug("Invalid L2 size: %dMB", cach->L2->size/(1048576));
}
else if(cach->L2->size > 100 * 1048576) {
printBug("Invalid L2 size: %dMB", cach->L2->size/(1048576));
}
}
if(cach->L3->exists && cach->L3->size > 100 * 1048576) {
printBug("Invalid L3 size: %dMB", cach->L3->size/(1048576));
}
if(!cach->L2->exists) {
printBug("Could not find L2 cache");
}
return cach;
}
@@ -890,14 +874,101 @@ void print_debug(struct cpuInfo* cpu) {
cpuid(&eax, &ebx, &ecx, &edx);
printf("%s\n", cpu->cpu_name);
if(cpu->hv->present) printf("- Hypervisor: %s\n", cpu->hv->hv_name);
if(cpu->hv->present) {
printf("- Hypervisor: %s\n", cpu->hv->hv_name);
}
printf("- Max standard level: 0x%.8X\n", cpu->maxLevels);
printf("- Max extended level: 0x%.8X\n", cpu->maxExtendedLevels);
if(cpu->cpu_vendor == CPU_VENDOR_AMD) {
printf("- AMD topology extensions: %d\n", cpu->topology_extensions);
}
printf("- CPUID dump: 0x%.8X\n", eax);
free_cpuinfo_struct(cpu);
}
// TODO: Fix on macOS
// TODO: Query HV and Xeon Phi levels
void print_raw(struct cpuInfo* cpu) {
uint32_t eax;
uint32_t ebx;
uint32_t ecx;
uint32_t edx;
printf("%s\n\n", cpu->cpu_name);
printf(" CPUID leaf sub EAX EBX ECX EDX \n");
printf("--------------------------------------------------------------\n");
for(int c=0; c < cpu->topo->total_cores; c++) {
if(!bind_to_cpu(c)) {
printErr("Failed binding to CPU %d", c);
return;
}
printf("CPU %d:\n", c);
for(uint32_t reg=0x00000000; reg <= cpu->maxLevels; reg++) {
if(reg == 0x00000004) {
for(uint32_t reg2=0x00000000; reg2 < cpu->cach->max_cache_level; reg2++) {
eax = reg;
ebx = 0;
ecx = reg2;
edx = 0;
cpuid(&eax, &ebx, &ecx, &edx);
printf(" 0x%.8X 0x%.2X: 0x%.8X 0x%.8X 0x%.8X 0x%.8X\n", reg, reg2, eax, ebx, ecx, edx);
}
}
else if(reg == 0x0000000B) {
for(uint32_t reg2=0x00000000; reg2 < cpu->topo->smt_supported; reg2++) {
eax = reg;
ebx = 0;
ecx = reg2;
edx = 0;
cpuid(&eax, &ebx, &ecx, &edx);
printf(" 0x%.8X 0x%.2X: 0x%.8X 0x%.8X 0x%.8X 0x%.8X\n", reg, reg2, eax, ebx, ecx, edx);
}
}
else {
eax = reg;
ebx = 0;
ecx = 0;
edx = 0;
cpuid(&eax, &ebx, &ecx, &edx);
printf(" 0x%.8X 0x%.2X: 0x%.8X 0x%.8X 0x%.8X 0x%.8X\n", reg, 0x00, eax, ebx, ecx, edx);
}
}
for(uint32_t reg=0x80000000; reg <= cpu->maxExtendedLevels; reg++) {
if(reg == 0x8000001D) {
for(uint32_t reg2=0x00000000; reg2 < cpu->cach->max_cache_level; reg2++) {
eax = reg;
ebx = 0;
ecx = reg2;
edx = 0;
cpuid(&eax, &ebx, &ecx, &edx);
printf(" 0x%.8X 0x%.2X: 0x%.8X 0x%.8X 0x%.8X 0x%.8X\n", reg, reg2, eax, ebx, ecx, edx);
}
}
else {
eax = reg;
ebx = 0;
ecx = 0;
edx = 0;
cpuid(&eax, &ebx, &ecx, &edx);
printf(" 0x%.8X 0x%.2X: 0x%.8X 0x%.8X 0x%.8X 0x%.8X\n", reg, 0x00, eax, ebx, ecx, edx);
}
}
}
}
void free_topo_struct(struct topology* topo) {
free(topo->apic->cache_select_mask);
free(topo->apic->cache_id_apic);