From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:54453) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SsEMx-0004uC-2h for qemu-devel@nongnu.org; Fri, 20 Jul 2012 10:39:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SsEMq-0007wo-Cv for qemu-devel@nongnu.org; Fri, 20 Jul 2012 10:39:51 -0400 Received: from smtp.citrix.com ([66.165.176.89]:1816) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SsEMq-0007w7-05 for qemu-devel@nongnu.org; Fri, 20 Jul 2012 10:39:44 -0400 From: Anthony PERARD Date: Fri, 20 Jul 2012 15:34:40 +0100 Message-ID: <1342794882-30648-4-git-send-email-anthony.perard@citrix.com> In-Reply-To: <1342794882-30648-1-git-send-email-anthony.perard@citrix.com> References: <1342794882-30648-1-git-send-email-anthony.perard@citrix.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH V2 3/5] exec: Introduce helper to set dirty flags. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: QEMU-devel Cc: Anthony Liguori , Xen Devel , Stefano Stabellini , Avi Kivity , Anthony PERARD , Luiz Capitulino This new helper/hook is used in the next patch to add an extra call in a single place. Signed-off-by: Anthony PERARD --- exec.c | 42 ++++++++++++++---------------------------- 1 files changed, 14 insertions(+), 28 deletions(-) diff --git a/exec.c b/exec.c index feb4795..b24a03a 100644 --- a/exec.c +++ b/exec.c @@ -3386,6 +3386,16 @@ int cpu_memory_rw_debug(CPUArchState *env, target_ulong addr, } #else +static void set_dirty_helper(target_phys_addr_t addr, target_phys_addr_t length) +{ + if (!cpu_physical_memory_is_dirty(addr)) { + /* invalidate code */ + tb_invalidate_phys_page_range(addr, addr + length, 0); + /* set dirty bit */ + cpu_physical_memory_set_dirty_flags(addr, (0xff & ~CODE_DIRTY_FLAG)); + } +} + void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf, int len, int is_write) { @@ -3431,13 +3441,7 @@ void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf, /* RAM case */ ptr = qemu_get_ram_ptr(addr1); memcpy(ptr, buf, l); - if (!cpu_physical_memory_is_dirty(addr1)) { - /* invalidate code */ - tb_invalidate_phys_page_range(addr1, addr1 + l, 0); - /* set dirty bit */ - cpu_physical_memory_set_dirty_flags( - addr1, (0xff & ~CODE_DIRTY_FLAG)); - } + set_dirty_helper(addr1, l); qemu_put_ram_ptr(ptr); } } else { @@ -3628,13 +3632,7 @@ void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len, l = TARGET_PAGE_SIZE; if (l > access_len) l = access_len; - if (!cpu_physical_memory_is_dirty(addr1)) { - /* invalidate code */ - tb_invalidate_phys_page_range(addr1, addr1 + l, 0); - /* set dirty bit */ - cpu_physical_memory_set_dirty_flags( - addr1, (0xff & ~CODE_DIRTY_FLAG)); - } + set_dirty_helper(addr1, l); addr1 += l; access_len -= l; } @@ -3940,13 +3938,7 @@ static inline void stl_phys_internal(target_phys_addr_t addr, uint32_t val, stl_p(ptr, val); break; } - if (!cpu_physical_memory_is_dirty(addr1)) { - /* invalidate code */ - tb_invalidate_phys_page_range(addr1, addr1 + 4, 0); - /* set dirty bit */ - cpu_physical_memory_set_dirty_flags(addr1, - (0xff & ~CODE_DIRTY_FLAG)); - } + set_dirty_helper(addr1, 4); } } @@ -4013,13 +4005,7 @@ static inline void stw_phys_internal(target_phys_addr_t addr, uint32_t val, stw_p(ptr, val); break; } - if (!cpu_physical_memory_is_dirty(addr1)) { - /* invalidate code */ - tb_invalidate_phys_page_range(addr1, addr1 + 2, 0); - /* set dirty bit */ - cpu_physical_memory_set_dirty_flags(addr1, - (0xff & ~CODE_DIRTY_FLAG)); - } + set_dirty_helper(addr1, 2); } } -- Anthony PERARD