diff options
Diffstat (limited to 'accel/tcg')
-rw-r--r-- | accel/tcg/tb-maint.c | 31 | ||||
-rw-r--r-- | accel/tcg/translate-all.c | 2 | ||||
-rw-r--r-- | accel/tcg/user-exec.c | 2 |
3 files changed, 18 insertions, 17 deletions
diff --git a/accel/tcg/tb-maint.c b/accel/tcg/tb-maint.c index 74823ba464..cb1f806f00 100644 --- a/accel/tcg/tb-maint.c +++ b/accel/tcg/tb-maint.c @@ -991,11 +991,10 @@ TranslationBlock *tb_link_page(TranslationBlock *tb, tb_page_addr_t phys_pc, * Called with mmap_lock held for user-mode emulation. * NOTE: this function must not be called while a TB is running. */ -void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end) +void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t last) { TranslationBlock *tb; PageForEachNext n; - tb_page_addr_t last = end - 1; assert_memory_lock(); @@ -1011,11 +1010,11 @@ void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end) */ void tb_invalidate_phys_page(tb_page_addr_t addr) { - tb_page_addr_t start, end; + tb_page_addr_t start, last; start = addr & TARGET_PAGE_MASK; - end = start + TARGET_PAGE_SIZE; - tb_invalidate_phys_range(start, end); + last = addr | ~TARGET_PAGE_MASK; + tb_invalidate_phys_range(start, last); } /* @@ -1169,28 +1168,30 @@ void tb_invalidate_phys_page(tb_page_addr_t addr) /* * Invalidate all TBs which intersect with the target physical address range - * [start;end[. NOTE: start and end may refer to *different* physical pages. + * [start;last]. NOTE: start and end may refer to *different* physical pages. * 'is_cpu_write_access' should be true if called from a real cpu write * access: the virtual CPU will exit the current TB if code is modified inside * this TB. */ -void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end) +void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t last) { struct page_collection *pages; - tb_page_addr_t next; + tb_page_addr_t index, index_last; + + pages = page_collection_lock(start, last); - pages = page_collection_lock(start, end - 1); - for (next = (start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; - start < end; - start = next, next += TARGET_PAGE_SIZE) { - PageDesc *pd = page_find(start >> TARGET_PAGE_BITS); - tb_page_addr_t bound = MIN(next, end); + index_last = last >> TARGET_PAGE_BITS; + for (index = start >> TARGET_PAGE_BITS; index <= index_last; index++) { + PageDesc *pd = page_find(index); + tb_page_addr_t bound; if (pd == NULL) { continue; } assert_page_locked(pd); - tb_invalidate_phys_page_range__locked(pages, pd, start, bound - 1, 0); + bound = (index << TARGET_PAGE_BITS) | ~TARGET_PAGE_MASK; + bound = MIN(bound, last); + tb_invalidate_phys_page_range__locked(pages, pd, start, bound, 0); } page_collection_unlock(pages); } diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index 74deb18bd0..5b13281119 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -572,7 +572,7 @@ void tb_check_watchpoint(CPUState *cpu, uintptr_t retaddr) cpu_get_tb_cpu_state(env, &pc, &cs_base, &flags); addr = get_page_addr_code(env, pc); if (addr != -1) { - tb_invalidate_phys_range(addr, addr + 1); + tb_invalidate_phys_range(addr, addr); } } } diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c index 20b6fc2f6e..a7e0c3e2f4 100644 --- a/accel/tcg/user-exec.c +++ b/accel/tcg/user-exec.c @@ -516,7 +516,7 @@ void page_set_flags(target_ulong start, target_ulong last, int flags) ~(reset ? 0 : PAGE_STICKY)); } if (inval_tb) { - tb_invalidate_phys_range(start, last + 1); + tb_invalidate_phys_range(start, last); } } |