desparate to get ata reads to work

2026-06-23 23:19:49 -05:00
parent a82a7aa1a4
commit ae4b6863bf
9 changed files with 364 additions and 465 deletions
--- a/kernel/common_stubs.S
+++ b/kernel/common_stubs.S
@@ -65,4 +65,54 @@ inb:
    inb %dx, %al

    leave 
+    ret
+
+.global insw 
+insw:
+    push %ebp
+    mov %esp, %ebp 
+
+    push %edi
+    push %ecx 
+    push %edx
+
+    # 8(%ebp) addr
+    # 12(%ebp) buf
+    # 16(%ebp) sz
+    mov 8(%ebp), %edx 
+    mov 12(%ebp), %edi
+    mov 16(%ebp), %ecx
+
+    cld
+    rep insw
+
+    pop %edx
+    pop %ecx
+    pop %edi
+    leave
+    ret
+
+.global outsw
+outsw:
+    push %ebp
+    mov %esp, %ebp 
+
+    push %esi
+    push %ecx 
+    push %edx
+
+    # 8(%ebp) address
+    # 12(%ebp) buf
+    # 16(%ebp) sz
+    mov 8(%ebp), %edx 
+    mov 12(%ebp), %esi
+    mov 16(%ebp), %ecx
+
+    cld
+    rep outsw
+
+    pop %edx
+    pop %ecx
+    pop %esi
+    leave
    ret