still working on ata :(

2026-06-21 16:57:16 -05:00
parent 0f84acde30
commit a82a7aa1a4
5 changed files with 353 additions and 28 deletions
--- a/kernel/common_stubs.S
+++ b/kernel/common_stubs.S
@@ -1,5 +1,6 @@
 .code32 
-.section .text 
+.section .text
+
 .global disable_interrupts
 disable_interrupts:
    cli 
@@ -37,4 +38,31 @@ liftoff:
    xor %eax, %eax
    xor %edx, %edx
    
-    iret
+    iret
+
+.global outb
+outb: 
+    push %ebp
+    mov %esp, %ebp
+
+    # 8(%ebp) port
+    # 12(%ebp) data
+    mov 8(%ebp), %edx 
+    mov 12(%ebp), %eax
+    outb %al, %dx
+
+    leave
+    ret
+
+.global inb
+inb:
+    push %ebp
+    mov %esp, %ebp
+
+    # 8(%ebp) port
+    mov 8(%ebp), %edx 
+    xor %eax, %eax
+    inb %dx, %al
+
+    leave 
+    ret