RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-16 20:25:07 +00:00
Code Issues Activity Actions

Kernel: Consolidate features into CPUFeature enum

Browse source 
This allows us to consolidate printing out all the CPU features
into one log statement. Also expose them in /proc/cpuinfo
This commit is contained in:
Tom 2020-07-03 10:23:09 -06:00 • committed by Andreas Kling
parent e373e5f007
commit 9b4e6f6a23
9 changed files with 197 additions and 145 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Kernel/Random.cpp
View file

@ -44,10 +44,12 @@ KernelRng& KernelRng::the()
KernelRng::KernelRng()
{
if (g_cpu_supports_rdseed || g_cpu_supports_rdrand) {
bool supports_rdseed = Processor::current().has_feature(CPUFeature::RDSEED);
bool supports_rdrand = Processor::current().has_feature(CPUFeature::RDRAND);
if (supports_rdseed || supports_rdrand) {
for (size_t i = 0; i < resource().pool_count * resource().reseed_threshold; ++i) {
u32 value = 0;
if (g_cpu_supports_rdseed) {
if (supports_rdseed) {
asm volatile(
"1:\n"
"rdseed %0\n"