From patchwork Tue Mar 23 07:39:52 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [1/2] Introduce wrapper functions to access phys_ram_dirty. Date: Mon, 22 Mar 2010 21:39:52 -0000 From: Yoshiaki Tamura X-Patchwork-Id: 48328 Message-Id: <1269329993-10854-2-git-send-email-tamura.yoshiaki@lab.ntt.co.jp> To: qemu-devel@nongnu.org Cc: ohmura.kei@lab.ntt.co.jp, mtosatti@redhat.com, avi@redhat.com, Yoshiaki Tamura Adds wrapper functions to prevent direct access to the phys_ram_dirty bitmap. Signed-off-by: Yoshiaki Tamura Signed-off-by: OHMURA Kei --- cpu-all.h | 25 +++++++++++++++++++++++++ 1 files changed, 25 insertions(+), 0 deletions(-) diff --git a/cpu-all.h b/cpu-all.h index 897cd44..54d8449 100644 --- a/cpu-all.h +++ b/cpu-all.h @@ -893,6 +893,11 @@ static inline int cpu_physical_memory_is_dirty(ram_addr_t addr) return phys_ram_dirty[addr >> TARGET_PAGE_BITS] == 0xff; } +static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr) +{ + return phys_ram_dirty[addr >> TARGET_PAGE_BITS]; +} + static inline int cpu_physical_memory_get_dirty(ram_addr_t addr, int dirty_flags) { @@ -904,6 +909,26 @@ static inline void cpu_physical_memory_set_dirty(ram_addr_t addr) phys_ram_dirty[addr >> TARGET_PAGE_BITS] = 0xff; } +static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr, + int dirty_flags) +{ + return phys_ram_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags; +} + +static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start, + int length, + int dirty_flags) +{ + int i, mask, len; + uint8_t *p; + + len = length >> TARGET_PAGE_BITS; + mask = ~dirty_flags; + p = phys_ram_dirty + (start >> TARGET_PAGE_BITS); + for (i = 0; i < len; i++) + p[i] &= mask; +} + void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end, int dirty_flags); void cpu_tlb_update_dirty(CPUState *env);