Welcome to the DTE thing.

1 files changed, 70 insertions, 0 deletions

diff --git a/dte-asm.S b/dte-asm.S
new file mode 100644
index 0000000..7fc9563
--- /dev/null
+++ b/dte-asm.S
@@ -0,0 +1,70 @@
+.text
+.align 4
+
+.global dte_reset
+.type dte_reset, @function
+
+dte_reset:
+    push %ecx
+    push %edi
+    movl $0x10000, %ecx
+    movl $dte_counters, %edi
+    xorl %eax, %eax
+    rep  stosl
+    movl %eax, dte_counter
+    movl %eax, dte_most
+    pop %edi
+    pop %ecx
+    ret
+
+.global build_dte
+.type build_dte, @function
+
+build_dte:
+    push %eax
+    push %ebx
+    push %ecx
+    push %edx
+    push %esi
+    push %edi
+    movl dte_text_size, %ecx
+    movl dte_text, %esi
+    movl $dte_flags, %edi
+    movl $dte_counters, %ebx
+
+
+    lodsl
+    movl %eax, %edx
+    
+    jmp  innerjump
+    
+loop:
+    lodsb
+    shrd $8, %eax, %edx
+
+innerjump:
+    push %edx
+
+    andl $0xffff, %edx
+    testb $0xff, (%edi, %edx)
+    jnz  invalid
+    incl (%ebx, %edx, 4)
+    movl (%ebx, %edx, 4), %eax
+    cmpl %eax, dte_counter
+    ja   invalid
+    movl %edx, dte_most
+    movl %eax, dte_counter
+
+invalid:
+    pop  %edx
+    
+    decl %ecx
+    jnz  loop
+    
+    pop %edi
+    pop %esi
+    pop %edx
+    pop %ecx
+    pop %ebx
+    pop %eax
+    ret