diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/exec/memory.h | 5 | ||||
| -rw-r--r-- | include/qemu/int128.h | 19 |
2 files changed, 23 insertions, 1 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h index c11a3f8..fddc6ad 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -26,6 +26,9 @@ #include "exec/ioport.h" #include "qemu/int128.h" +#define MAX_PHYS_ADDR_SPACE_BITS 62 +#define MAX_PHYS_ADDR (((hwaddr)1 << MAX_PHYS_ADDR_SPACE_BITS) - 1) + typedef struct MemoryRegionOps MemoryRegionOps; typedef struct MemoryRegionPortio MemoryRegionPortio; typedef struct MemoryRegionMmio MemoryRegionMmio; @@ -185,7 +188,7 @@ struct MemoryRegionSection { MemoryRegion *mr; AddressSpace *address_space; hwaddr offset_within_region; - uint64_t size; + Int128 size; hwaddr offset_within_address_space; bool readonly; }; diff --git a/include/qemu/int128.h b/include/qemu/int128.h index b3864b6..bfe7678 100644 --- a/include/qemu/int128.h +++ b/include/qemu/int128.h @@ -34,6 +34,25 @@ static inline Int128 int128_2_64(void) return (Int128) { 0, 1 }; } +static inline Int128 int128_and(Int128 a, Int128 b) +{ + return (Int128) { a.lo & b.lo, a.hi & b.hi }; +} + +static inline Int128 int128_rshift(Int128 a, int n) +{ + int64_t h; + if (!n) { + return a; + } + h = a.hi >> (n & 63); + if (n >= 64) { + return (Int128) { h, h >> 63 }; + } else { + return (Int128) { (a.lo >> n) | (a.hi << (64 - n)), h }; + } +} + static inline Int128 int128_add(Int128 a, Int128 b) { Int128 r = { a.lo + b.lo, a.hi + b.hi }; |