commit db8d74668856e5bbc6c8fede0bb17c4f83e7debf
author bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> Mon Oct 27 21:12:17 2003 +0000
committer bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> Mon Oct 27 21:12:17 2003 +0000
tree 58af8307ac799da0265419d8a20e482240bf15ab
parent 997344f303a7a7d5c0e21c2a90ada350da2be8f9

comments


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@405 c046a42c-6fe2-441c-8c8c-71466251a162

cpu-defs.h

diff --git a/cpu-defs.h b/cpu-defs.h
index 3ec866f..84b5e28 100644
--- a/cpu-defs.h
+++ b/cpu-defs.h
@@ -32,8 +32,15 @@
 #define CPU_TLB_SIZE 256
 
 typedef struct CPUTLBEntry {
-    uint32_t address;
-    uint32_t addend;
+    /* bit 31 to TARGET_PAGE_BITS : virtual address 
+       bit TARGET_PAGE_BITS-1..IO_MEM_SHIFT : if non zero, memory io
+                                              zone number
+       bit 3                      : indicates that the entry is invalid
+       bit 2..0                   : zero
+    */
+    uint32_t address; 
+    /* addend to virtual address to get physical address */
+    uint32_t addend; 
 } CPUTLBEntry;
 
 #endif