From e303a03e7c96bc5bf7fa93f7b46ce63196893d7a Mon Sep 17 00:00:00 2001
From: Ada Christine <adachristine18@gmail.com>
Date: Sun, 19 Dec 2021 22:41:15 +0000
Subject: moving files around

---
 kernel/exceptions.S | 54 -----------------------------------------------------
 1 file changed, 54 deletions(-)
 delete mode 100644 kernel/exceptions.S

(limited to 'kernel/exceptions.S')

diff --git a/kernel/exceptions.S b/kernel/exceptions.S
deleted file mode 100644
index 80d49ee..0000000
--- a/kernel/exceptions.S
+++ /dev/null
@@ -1,54 +0,0 @@
-.extern page_fault_handler
-
-.global page_fault_isr
-.type page_fault_isr, @function
-page_fault_isr:
-    /* just in case something tried to be clever before */
-    cld
-    /* push param registers */
-    push %rdi
-    push %rsi
-    push %rdx
-    push %rcx
-    push %r8
-    push %r9
-    /* collect parameters for page fault handler */
-    mov 48(%rsp), %rdi /* error code is first parameter */
-    mov %cr2, %rsi /* PFLA is next parameter */
-    /* caller-saved registers */
-    push %rax
-    push %r10
-    push %r11
-    /* callee-saved registers */
-    push %rbx
-    push %rbp
-    push %r12
-    push %r13
-    push %r14
-    push %r15
-    /* stack has to be aligned */
-    mov %rsp, %rbp
-    and $-16, %rsp
-    call page_fault_handler
-    mov %rbp, %rsp
-    /* TODO: test for error code here and panic() */
-    pop %r15
-    pop %r14
-    pop %r13
-    pop %r12
-    pop %rbp
-    pop %rbx
-    pop %r11
-    pop %r10
-    pop %rax
-    pop %r9
-    pop %r8
-    pop %rcx
-    pop %rdx
-    pop %rsi
-    pop %rdi
-    /* unwind the error code from the stack */
-    add $8, %rsp
-    /* leave the isr */
-    iretq
-.size page_fault_isr, . - page_fault_isr
-- 
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