diff options
Diffstat (limited to 'exec.c')
| -rw-r--r-- | exec.c | 39 |
1 files changed, 29 insertions, 10 deletions
@@ -1028,13 +1028,36 @@ const char *parse_cpu_model(const char *cpu_model) } #if defined(CONFIG_USER_ONLY) -static void breakpoint_invalidate(CPUState *cpu, target_ulong pc) +void tb_invalidate_phys_addr(target_ulong addr) { mmap_lock(); - tb_invalidate_phys_page_range(pc, pc + 1, 0); + tb_invalidate_phys_page_range(addr, addr + 1, 0); mmap_unlock(); } + +static void breakpoint_invalidate(CPUState *cpu, target_ulong pc) +{ + tb_invalidate_phys_addr(pc); +} #else +void tb_invalidate_phys_addr(AddressSpace *as, hwaddr addr, MemTxAttrs attrs) +{ + ram_addr_t ram_addr; + MemoryRegion *mr; + hwaddr l = 1; + + rcu_read_lock(); + mr = address_space_translate(as, addr, &addr, &l, false, attrs); + if (!(memory_region_is_ram(mr) + || memory_region_is_romd(mr))) { + rcu_read_unlock(); + return; + } + ram_addr = memory_region_get_ram_addr(mr) + addr; + tb_invalidate_phys_page_range(ram_addr, ram_addr + 1, 0); + rcu_read_unlock(); +} + static void breakpoint_invalidate(CPUState *cpu, target_ulong pc) { MemTxAttrs attrs; @@ -1818,6 +1841,10 @@ static void *file_ram_alloc(RAMBlock *block, " must be multiples of page size 0x%zx", block->mr->align, block->page_size); return NULL; + } else if (block->mr->align && !is_power_of_2(block->mr->align)) { + error_setg(errp, "alignment 0x%" PRIx64 + " must be a power of two", block->mr->align); + return NULL; } block->mr->align = MAX(block->page_size, block->mr->align); #if defined(__s390x__) @@ -3146,9 +3173,7 @@ static void invalidate_and_set_dirty(MemoryRegion *mr, hwaddr addr, } if (dirty_log_mask & (1 << DIRTY_MEMORY_CODE)) { assert(tcg_enabled()); - mmap_lock(); tb_invalidate_phys_range(addr, addr + length); - mmap_unlock(); dirty_log_mask &= ~(1 << DIRTY_MEMORY_CODE); } cpu_physical_memory_set_dirty_range(addr, length, dirty_log_mask); @@ -3702,9 +3727,6 @@ void cpu_physical_memory_unmap(void *buffer, hwaddr len, #define ARG1 as #define SUFFIX #define TRANSLATE(...) address_space_translate(as, __VA_ARGS__) -#define IS_DIRECT(mr, is_write) memory_access_is_direct(mr, is_write) -#define MAP_RAM(mr, ofs) qemu_map_ram_ptr((mr)->ram_block, ofs) -#define INVALIDATE(mr, ofs, len) invalidate_and_set_dirty(mr, ofs, len) #define RCU_READ_LOCK(...) rcu_read_lock() #define RCU_READ_UNLOCK(...) rcu_read_unlock() #include "memory_ldst.inc.c" @@ -3841,9 +3863,6 @@ address_space_write_cached_slow(MemoryRegionCache *cache, hwaddr addr, #define ARG1 cache #define SUFFIX _cached_slow #define TRANSLATE(...) address_space_translate_cached(cache, __VA_ARGS__) -#define IS_DIRECT(mr, is_write) memory_access_is_direct(mr, is_write) -#define MAP_RAM(mr, ofs) (cache->ptr + (ofs - cache->xlat)) -#define INVALIDATE(mr, ofs, len) invalidate_and_set_dirty(mr, ofs, len) #define RCU_READ_LOCK() ((void)0) #define RCU_READ_UNLOCK() ((void)0) #include "memory_ldst.inc.c" |