static void notdirty_mem_writeb(void *opaque, target_phys_addr_t ram_addr, uint32_t val) { int dirty_flags; dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; if (!(dirty_flags & CODE_DIRTY_FLAG)) { #if !defined(CONFIG_USER_ONLY) tb_invalidate_phys_page_fast(ram_addr, 1); dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; #endif } stb_p(qemu_get_ram_ptr(ram_addr), val); #ifdef CONFIG_KQEMU if (cpu_single_env->kqemu_enabled && (dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK) kqemu_modify_page(cpu_single_env, ram_addr); #endif dirty_flags |= (0xff & ~CODE_DIRTY_FLAG); phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags; /* we remove the notdirty callback only if the code has been flushed */ if (dirty_flags == 0xff) tlb_set_dirty(cpu_single_env, cpu_single_env->mem_io_vaddr); }