| 1 | /* |
| 2 | * Declarations of basic RAMBlock-related types and macros |
| 3 | * |
| 4 | * Copyright 2011 Red Hat, Inc. and/or its affiliates |
| 5 | * |
| 6 | * Authors: |
| 7 | * Avi Kivity <avi@redhat.com> |
| 8 | * |
| 9 | * This work is licensed under the terms of the GNU GPL, version 2 or |
| 10 | * later. See the COPYING file in the top-level directory. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #ifndef RAM_ADDR_H |
| 15 | #define RAM_ADDR_H |
| 16 | |
| 17 | /* address in the RAM (different from a physical address) */ |
| 18 | #if defined(CONFIG_XEN_BACKEND) |
| 19 | typedef uint64_t ram_addr_t; |
| 20 | # define RAM_ADDR_MAX UINT64_MAX |
| 21 | # define RAM_ADDR_FMT "%" PRIx64 |
| 22 | #else |
| 23 | typedef uintptr_t ram_addr_t; |
| 24 | # define RAM_ADDR_MAX UINTPTR_MAX |
| 25 | # define RAM_ADDR_FMT "%" PRIxPTR |
| 26 | #endif |
| 27 | |
| 28 | #define DIRTY_MEMORY_VGA 0 |
| 29 | #define DIRTY_MEMORY_CODE 1 |
| 30 | #define DIRTY_MEMORY_MIGRATION 2 |
| 31 | #define DIRTY_MEMORY_NUM 3 /* num of dirty bits */ |
| 32 | |
| 33 | #endif |