x86_64: move ACPI driver to kext

2023-06-09 19:31:30 +01:00
parent f6064eea53
commit 27387aa080
15 changed files with 122 additions and 76 deletions
--- a/kexts/drivers/bus/acpi/apic_ctrl.S
+++ b/kexts/drivers/bus/acpi/apic_ctrl.S
@@ -0,0 +1,18 @@
+	.global check_apic
+	.type check_apic, @function
+check_apic:
+	push %rbp
+	mov %rsp, %rbp
+
+	push %rbx
+	mov $1, %rax
+	cpuid
+
+	andl $0x200, %edx
+	shr $9, %edx
+
+	mov %rdx, %rax
+
+	pop %rbx
+	pop %rbp
+	ret