x86

1199 Questions
Newest Active Unanswered Frequent
Score
View
Card Compact
PCI I/O BAR Addresses - 32-bit or 16-bit?
user_72753900
•
2
1
289
base-address pci osdev x86
How to help GCC to not insert xor before lzcnt?
user_158530750
•
4
0
95
clang x86 assembly gcc c++
Why XOR before SETcc?
user_158530750
•
4
1
272
micro-optimization x86 assembly c++
"hlt"-instruction ignored/skipped in my x86_64 boot code (when I test it in QEMU)
user_28915950
•
1
1
131
osdev qemu x86
Is the address checked by the memory alignment check mechanism a effective address, a linear address or a physical address?
user_162422780
•
7
1
299
memory-segmentation osdev memory-alignment x86 assembly
What happens to the CPU pipeline when the memory with the instructions is changed by another core?
user_333640
•
2
2
237
hotpatching pipeline x86 assembly cpu-architecture
multiboot2 header to properly go into "EFI amd64 machine state with boot services enabled" - hlt instruction not working?
user_28915950
•
1
1
257
multiboot grub nasm x86-64 x86
qemu x86_64 enable protect mode and jmp far, causes reboot
user_143432720
•
2
0
72
qemu operating-system x86
Atomic operation contention between SMT/HT Threads
user_3098070
•
2
0
95
compare-and-swap atomic hyperthreading x86 cpu-architecture
Why is clflush an unprivileged instruction in x86?
user_90275410
•
2
0
116
cpu-cache x86 cpu-architecture
Hot Questions