Kernel: Add basic PCI and very basic rtl8139 support

1 files changed, 20 insertions, 0 deletions

diff --git a/cpu/io.s b/cpu/io.s
index fe370a5..3c409de 100644
--- a/cpu/io.s
+++ b/cpu/io.s
@@ -1,7 +1,10 @@
 .intel_syntax noprefix
 .global outsw
 .global outb
+.global outw
+.global outl
 .global inb
+.global inl
 .global rep_outsw
 .global rep_insw
 .global flush_tss
@@ -20,12 +23,29 @@ outsw:
 	pop ebp
 	ret
 
+outl:
+	mov eax, [esp + 8]
+	mov dx, [esp + 4]
+	out dx, eax
+	ret
+
 outb:
 	mov al, [esp + 8]
 	mov dx, [esp + 4]
 	out dx, al
 	ret
 
+outw:
+	mov eax, [esp + 8]
+	mov dx, [esp + 4]
+	out dx, eax
+	ret
+
+inl:
+	mov dx, [esp + 4]
+	in  eax, dx
+	ret
+
 inb:
 	mov dx, [esp + 4]
 	in  al, dx