diff options
Diffstat (limited to 'include/exec/translation-block.h')
| -rw-r--r-- | include/exec/translation-block.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/exec/translation-block.h b/include/exec/translation-block.h index 3c69bc7..8b8e730 100644 --- a/include/exec/translation-block.h +++ b/include/exec/translation-block.h @@ -13,6 +13,7 @@ #include "exec/vaddr.h" #ifdef CONFIG_USER_ONLY #include "qemu/interval-tree.h" +#include "exec/target_page.h" #endif /* @@ -157,4 +158,53 @@ static inline uint32_t tb_cflags(const TranslationBlock *tb) bool tcg_cflags_has(CPUState *cpu, uint32_t flags); void tcg_cflags_set(CPUState *cpu, uint32_t flags); +static inline tb_page_addr_t tb_page_addr0(const TranslationBlock *tb) +{ +#ifdef CONFIG_USER_ONLY + return tb->itree.start; +#else + return tb->page_addr[0]; +#endif +} + +static inline tb_page_addr_t tb_page_addr1(const TranslationBlock *tb) +{ +#ifdef CONFIG_USER_ONLY + tb_page_addr_t next = tb->itree.last & TARGET_PAGE_MASK; + return next == (tb->itree.start & TARGET_PAGE_MASK) ? -1 : next; +#else + return tb->page_addr[1]; +#endif +} + +static inline void tb_set_page_addr0(TranslationBlock *tb, + tb_page_addr_t addr) +{ +#ifdef CONFIG_USER_ONLY + tb->itree.start = addr; + /* + * To begin, we record an interval of one byte. When the translation + * loop encounters a second page, the interval will be extended to + * include the first byte of the second page, which is sufficient to + * allow tb_page_addr1() above to work properly. The final corrected + * interval will be set by tb_page_add() from tb->size before the + * node is added to the interval tree. + */ + tb->itree.last = addr; +#else + tb->page_addr[0] = addr; +#endif +} + +static inline void tb_set_page_addr1(TranslationBlock *tb, + tb_page_addr_t addr) +{ +#ifdef CONFIG_USER_ONLY + /* Extend the interval to the first byte of the second page. See above. */ + tb->itree.last = addr; +#else + tb->page_addr[1] = addr; +#endif +} + #endif /* EXEC_TRANSLATION_BLOCK_H */ |