X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Fsrc%2Fgeekos%2Fsvm_lowlevel.asm;h=57ea853114d557c75b41315822896033af4a116c;hp=c468c5af0db6036bb1a132d9e5bd0a8966ac39c5;hb=701de97007c8b6776998eeab78469a4304f6b871;hpb=b4963a8a43ca9103946f926e062e609e4498c2e2

diff --git a/palacios/src/geekos/svm_lowlevel.asm b/palacios/src/geekos/svm_lowlevel.asm
index c468c5a..57ea853 100644
--- a/palacios/src/geekos/svm_lowlevel.asm
+++ b/palacios/src/geekos/svm_lowlevel.asm
@@ -9,6 +9,8 @@
 
 
 
+EXTERN handle_svm_exit
+
 EXPORT launch_svm
 
 
@@ -60,4 +62,30 @@ launch_svm:
 ;  ret
 ;
 ;
-;
\ No newline at end of file
+;
+
+
+
+;; Need to check this..
+;; Since RAX/EAX is saved in the VMCB, we should probably just 
+;;      do our own replacement for pusha/popa that excludes [e|r]ax
+safe_svm_launch:
+	push	ebp
+	mov	ebp, esp
+	pushf
+	pusha
+
+.vmm_loop:
+	mov	eax, [ebp + 8]
+	vmrun
+	pusha
+	call 	handle_svm_exit
+	and 	eax, eax
+	popa			;; restore the guest GPRs, (DOES THIS AFFECT E/RFLAGS?)
+	jz	.vmm_loop
+
+	;; HOW DO WE GET THE RETURN VALUE OF HANDLE_SVM_EXIT BACK TO THE CALLER
+	popf
+	popa
+	pop	ebp
+	ret
\ No newline at end of file