Add write_cr4()

2022-11-03 23:31:55 -04:00 · 2022-11-03 23:31:55 -04:00 · 2a7c783bba
commit 2a7c783bba
parent 1f2a2bea48
1 changed files with 5 additions and 0 deletions
--- a/src/hulk/cpu.d
+++ b/src/hulk/cpu.d
@ -60,6 +60,11 @@ ulong read_cr4()
    return __asm!ulong("mov %cr4, %rax", "={rax}");
 }

+void write_cr4(ulong v)
+{
+    __asm("mov $0, %cr4", "r", v);
+}
+
 ulong rdmsr(uint msr)
 {
    return __asm!ulong(`