diff options
| -rw-r--r-- | docs/devel/memory.txt | 2 | ||||
| -rw-r--r-- | include/exec/memory.h | 5 | ||||
| -rw-r--r-- | memory.c | 63 |
3 files changed, 2 insertions, 68 deletions
diff --git a/docs/devel/memory.txt b/docs/devel/memory.txt index c1dee1252c..4fff0d5603 100644 --- a/docs/devel/memory.txt +++ b/docs/devel/memory.txt @@ -342,5 +342,3 @@ various constraints can be supplied to control how these callbacks are called: - .impl.unaligned specifies that the *implementation* supports unaligned accesses; if false, unaligned accesses will be emulated by two aligned accesses. - - .old_mmio eases the porting of code that was formerly using - cpu_register_io_memory(). It should not be used in new code. diff --git a/include/exec/memory.h b/include/exec/memory.h index e78a9a4f48..3a427aacf1 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -201,11 +201,6 @@ struct MemoryRegionOps { */ bool unaligned; } impl; - - /* If .read and .write are not present, old_mmio may be used for - * backwards compatibility with old mmio registration - */ - const MemoryRegionMmio old_mmio; }; enum IOMMUMemoryRegionAttr { @@ -423,32 +423,6 @@ static int get_cpu_index(void) return -1; } -static MemTxResult memory_region_oldmmio_read_accessor(MemoryRegion *mr, - hwaddr addr, - uint64_t *value, - unsigned size, - signed shift, - uint64_t mask, - MemTxAttrs attrs) -{ - uint64_t tmp; - - tmp = mr->ops->old_mmio.read[ctz32(size)](mr->opaque, addr); - if (mr->subpage) { - trace_memory_region_subpage_read(get_cpu_index(), mr, addr, tmp, size); - } else if (mr == &io_mem_notdirty) { - /* Accesses to code which has previously been translated into a TB show - * up in the MMIO path, as accesses to the io_mem_notdirty - * MemoryRegion. */ - trace_memory_region_tb_read(get_cpu_index(), addr, tmp, size); - } else if (TRACE_MEMORY_REGION_OPS_READ_ENABLED) { - hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr); - trace_memory_region_ops_read(get_cpu_index(), mr, abs_addr, tmp, size); - } - memory_region_shift_read_access(value, shift, mask, tmp); - return MEMTX_OK; -} - static MemTxResult memory_region_read_accessor(MemoryRegion *mr, hwaddr addr, uint64_t *value, @@ -502,31 +476,6 @@ static MemTxResult memory_region_read_with_attrs_accessor(MemoryRegion *mr, return r; } -static MemTxResult memory_region_oldmmio_write_accessor(MemoryRegion *mr, - hwaddr addr, - uint64_t *value, - unsigned size, - signed shift, - uint64_t mask, - MemTxAttrs attrs) -{ - uint64_t tmp = memory_region_shift_write_access(value, shift, mask); - - if (mr->subpage) { - trace_memory_region_subpage_write(get_cpu_index(), mr, addr, tmp, size); - } else if (mr == &io_mem_notdirty) { - /* Accesses to code which has previously been translated into a TB show - * up in the MMIO path, as accesses to the io_mem_notdirty - * MemoryRegion. */ - trace_memory_region_tb_write(get_cpu_index(), addr, tmp, size); - } else if (TRACE_MEMORY_REGION_OPS_WRITE_ENABLED) { - hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr); - trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, size); - } - mr->ops->old_mmio.write[ctz32(size)](mr->opaque, addr, tmp); - return MEMTX_OK; -} - static MemTxResult memory_region_write_accessor(MemoryRegion *mr, hwaddr addr, uint64_t *value, @@ -1418,16 +1367,12 @@ static MemTxResult memory_region_dispatch_read1(MemoryRegion *mr, mr->ops->impl.max_access_size, memory_region_read_accessor, mr, attrs); - } else if (mr->ops->read_with_attrs) { + } else { return access_with_adjusted_size(addr, pval, size, mr->ops->impl.min_access_size, mr->ops->impl.max_access_size, memory_region_read_with_attrs_accessor, mr, attrs); - } else { - return access_with_adjusted_size(addr, pval, size, 1, 4, - memory_region_oldmmio_read_accessor, - mr, attrs); } } @@ -1499,17 +1444,13 @@ MemTxResult memory_region_dispatch_write(MemoryRegion *mr, mr->ops->impl.max_access_size, memory_region_write_accessor, mr, attrs); - } else if (mr->ops->write_with_attrs) { + } else { return access_with_adjusted_size(addr, &data, size, mr->ops->impl.min_access_size, mr->ops->impl.max_access_size, memory_region_write_with_attrs_accessor, mr, attrs); - } else { - return access_with_adjusted_size(addr, &data, size, 1, 4, - memory_region_oldmmio_write_accessor, - mr, attrs); } } |