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| author | Yoshiaki Tamura <tamura.yoshiaki@lab.ntt.co.jp> | 2010-03-23 16:39:53 +0900 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2010-04-08 11:11:21 +0200 |
| commit | f7c11b535040df31cc8bc3b1f0c33f546073ee62 (patch) | |
| tree | 30d89984956b9122579f7fa3fdb7efaf93b780cf /exec.c | |
| parent | ca39b46e184e4fdef8e0098f71dcb1980e0e4cbe (diff) | |
| download | qemu-f7c11b535040df31cc8bc3b1f0c33f546073ee62.zip qemu-f7c11b535040df31cc8bc3b1f0c33f546073ee62.tar.gz qemu-f7c11b535040df31cc8bc3b1f0c33f546073ee62.tar.bz2 | |
Replace direct phys_ram_dirty access with wrapper functions.
Replaces direct phys_ram_dirty access with wrapper functions to prevent
direct access to the phys_ram_dirty bitmap.
Signed-off-by: Yoshiaki Tamura <tamura.yoshiaki@lab.ntt.co.jp>
Signed-off-by: OHMURA Kei <ohmura.kei@lab.ntt.co.jp>
Reviewed-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'exec.c')
| -rw-r--r-- | exec.c | 45 |
1 files changed, 20 insertions, 25 deletions
@@ -2030,7 +2030,7 @@ static void tlb_protect_code(ram_addr_t ram_addr) static void tlb_unprotect_code_phys(CPUState *env, ram_addr_t ram_addr, target_ulong vaddr) { - phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] |= CODE_DIRTY_FLAG; + cpu_physical_memory_set_dirty_flags(ram_addr, CODE_DIRTY_FLAG); } static inline void tlb_reset_dirty_range(CPUTLBEntry *tlb_entry, @@ -2051,8 +2051,7 @@ void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end, { CPUState *env; unsigned long length, start1; - int i, mask, len; - uint8_t *p; + int i; start &= TARGET_PAGE_MASK; end = TARGET_PAGE_ALIGN(end); @@ -2060,11 +2059,7 @@ void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end, length = end - start; if (length == 0) return; - 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; + cpu_physical_memory_mask_dirty_range(start, length, dirty_flags); /* we modify the TLB cache so that the dirty bit will be set again when accessing the range */ @@ -2986,16 +2981,16 @@ 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]; + dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr); 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]; + dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr); #endif } stb_p(qemu_get_ram_ptr(ram_addr), val); dirty_flags |= (0xff & ~CODE_DIRTY_FLAG); - phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags; + cpu_physical_memory_set_dirty_flags(ram_addr, dirty_flags); /* we remove the notdirty callback only if the code has been flushed */ if (dirty_flags == 0xff) @@ -3006,16 +3001,16 @@ static void notdirty_mem_writew(void *opaque, target_phys_addr_t ram_addr, uint32_t val) { int dirty_flags; - dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; + dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr); if (!(dirty_flags & CODE_DIRTY_FLAG)) { #if !defined(CONFIG_USER_ONLY) tb_invalidate_phys_page_fast(ram_addr, 2); - dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; + dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr); #endif } stw_p(qemu_get_ram_ptr(ram_addr), val); dirty_flags |= (0xff & ~CODE_DIRTY_FLAG); - phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags; + cpu_physical_memory_set_dirty_flags(ram_addr, dirty_flags); /* we remove the notdirty callback only if the code has been flushed */ if (dirty_flags == 0xff) @@ -3026,16 +3021,16 @@ static void notdirty_mem_writel(void *opaque, target_phys_addr_t ram_addr, uint32_t val) { int dirty_flags; - dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; + dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr); if (!(dirty_flags & CODE_DIRTY_FLAG)) { #if !defined(CONFIG_USER_ONLY) tb_invalidate_phys_page_fast(ram_addr, 4); - dirty_flags = phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS]; + dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr); #endif } stl_p(qemu_get_ram_ptr(ram_addr), val); dirty_flags |= (0xff & ~CODE_DIRTY_FLAG); - phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags; + cpu_physical_memory_set_dirty_flags(ram_addr, dirty_flags); /* we remove the notdirty callback only if the code has been flushed */ if (dirty_flags == 0xff) @@ -3486,8 +3481,8 @@ void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf, /* invalidate code */ tb_invalidate_phys_page_range(addr1, addr1 + l, 0); /* set dirty bit */ - phys_ram_dirty[addr1 >> TARGET_PAGE_BITS] |= - (0xff & ~CODE_DIRTY_FLAG); + cpu_physical_memory_set_dirty_flags( + addr1, (0xff & ~CODE_DIRTY_FLAG)); } } } else { @@ -3693,8 +3688,8 @@ void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len, /* invalidate code */ tb_invalidate_phys_page_range(addr1, addr1 + l, 0); /* set dirty bit */ - phys_ram_dirty[addr1 >> TARGET_PAGE_BITS] |= - (0xff & ~CODE_DIRTY_FLAG); + cpu_physical_memory_set_dirty_flags( + addr1, (0xff & ~CODE_DIRTY_FLAG)); } addr1 += l; access_len -= l; @@ -3828,8 +3823,8 @@ void stl_phys_notdirty(target_phys_addr_t addr, uint32_t val) /* invalidate code */ tb_invalidate_phys_page_range(addr1, addr1 + 4, 0); /* set dirty bit */ - phys_ram_dirty[addr1 >> TARGET_PAGE_BITS] |= - (0xff & ~CODE_DIRTY_FLAG); + cpu_physical_memory_set_dirty_flags( + addr1, (0xff & ~CODE_DIRTY_FLAG)); } } } @@ -3897,8 +3892,8 @@ void stl_phys(target_phys_addr_t addr, uint32_t val) /* invalidate code */ tb_invalidate_phys_page_range(addr1, addr1 + 4, 0); /* set dirty bit */ - phys_ram_dirty[addr1 >> TARGET_PAGE_BITS] |= - (0xff & ~CODE_DIRTY_FLAG); + cpu_physical_memory_set_dirty_flags(addr1, + (0xff & ~CODE_DIRTY_FLAG)); } } } |