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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2003-10-27 21:12:17 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2003-10-27 21:12:17 +0000
commitdb8d74668856e5bbc6c8fede0bb17c4f83e7debf (patch)
tree58af8307ac799da0265419d8a20e482240bf15ab
parent997344f303a7a7d5c0e21c2a90ada350da2be8f9 (diff)
comments
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@405 c046a42c-6fe2-441c-8c8c-71466251a162
-rw-r--r--cpu-defs.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/cpu-defs.h b/cpu-defs.h
index 3ec866fa7b..84b5e280e0 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