Author: pschweitzer
Date: Tue Dec 30 13:51:41 2014
New Revision: 65909
URL: http://svn.reactos.org/svn/reactos?rev=65909&view=rev
Log:
[FREELDR]
Simplify the stack management in PxeCallApi(), we don't need that much
Modified:
trunk/reactos/boot/freeldr/freeldr/arch/i386/entry.S
Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/entry.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/i386/entry.S?rev=65909&r1=65908&r2=65909&view=diff
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/i386/entry.S [iso-8859-1]
(original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/i386/entry.S [iso-8859-1]
Tue Dec 30 13:51:41 2014
@@ -158,40 +158,32 @@
*/
PUBLIC _PxeCallApi
_PxeCallApi:
- push ebp
- mov ebp, esp
-
- pusha
- push es
-
/* copy entry point */
- mov eax, [ebp + 8]
+ mov eax, [esp + 4]
shl eax, 16
- mov ax, [ebp + 12]
+ mov ax, [esp + 8]
mov dword ptr ds:[BSS_PxeEntryPoint], eax
/* copy function */
- mov ax, [ebp + 16]
+ mov ax, [esp + 12]
mov word ptr ds:[BSS_PxeFunction], ax
/* convert pointer to data buffer to segment/offset */
- mov eax, [ebp + 20]
+ mov eax, [esp + 16]
shr eax, 4
and eax, HEX(0f000)
mov word ptr ds:[BSS_PxeBufferSegment], ax
- mov eax, [ebp + 20]
+ mov eax, [esp + 16]
and eax, HEX(0ffff)
mov word ptr ds:[BSS_PxeBufferOffset], ax
+
+ pusha
/* Set the function ID and call realmode */
mov bx, FNID_PxeCallApi
call i386CallRealMode
- pop es
popa
-
- mov esp, ebp
- pop ebp
mov ax, word ptr [BSS_PxeResult]
