From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Precursor to factoring out the inner loops for reuse.
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/20240307153710.30907-3-Jonathan.Cameron@huawei.com
Signed-off-by: Peter Xu <peterx@redhat.com>
---
system/physmem.c | 40 ++++++++++++++++++++--------------------
1 file changed, 20 insertions(+), 20 deletions(-)
diff --git a/system/physmem.c b/system/physmem.c
index e92bed50a6..e35aa29343 100644
--- a/system/physmem.c
+++ b/system/physmem.c
@@ -2688,10 +2688,7 @@ static MemTxResult flatview_write_continue(FlatView *fv, hwaddr addr,
hwaddr len, hwaddr mr_addr,
hwaddr l, MemoryRegion *mr)
{
- uint8_t *ram_ptr;
- uint64_t val;
MemTxResult result = MEMTX_OK;
- bool release_lock = false;
const uint8_t *buf = ptr;
for (;;) {
@@ -2699,7 +2696,9 @@ static MemTxResult flatview_write_continue(FlatView *fv, hwaddr addr,
result |= MEMTX_ACCESS_ERROR;
/* Keep going. */
} else if (!memory_access_is_direct(mr, true)) {
- release_lock |= prepare_mmio_access(mr);
+ uint64_t val;
+ bool release_lock = prepare_mmio_access(mr);
+
l = memory_access_size(mr, l, mr_addr);
/* XXX: could force current_cpu to NULL to avoid
potential bugs */
@@ -2717,18 +2716,21 @@ static MemTxResult flatview_write_continue(FlatView *fv, hwaddr addr,
val = ldn_he_p(buf, l);
result |= memory_region_dispatch_write(mr, mr_addr, val,
size_memop(l), attrs);
+ if (release_lock) {
+ bql_unlock();
+ }
+
+
} else {
/* RAM case */
- ram_ptr = qemu_ram_ptr_length(mr->ram_block, mr_addr, &l, false);
+
+ uint8_t *ram_ptr = qemu_ram_ptr_length(mr->ram_block, mr_addr, &l,
+ false);
+
memmove(ram_ptr, buf, l);
invalidate_and_set_dirty(mr, mr_addr, l);
}
- if (release_lock) {
- bql_unlock();
- release_lock = false;
- }
-
len -= l;
buf += l;
addr += l;
@@ -2767,10 +2769,7 @@ MemTxResult flatview_read_continue(FlatView *fv, hwaddr addr,
hwaddr len, hwaddr mr_addr, hwaddr l,
MemoryRegion *mr)
{
- uint8_t *ram_ptr;
- uint64_t val;
MemTxResult result = MEMTX_OK;
- bool release_lock = false;
uint8_t *buf = ptr;
fuzz_dma_read_cb(addr, len, mr);
@@ -2780,7 +2779,9 @@ MemTxResult flatview_read_continue(FlatView *fv, hwaddr addr,
/* Keep going. */
} else if (!memory_access_is_direct(mr, false)) {
/* I/O case */
- release_lock |= prepare_mmio_access(mr);
+ uint64_t val;
+ bool release_lock = prepare_mmio_access(mr);
+
l = memory_access_size(mr, l, mr_addr);
result |= memory_region_dispatch_read(mr, mr_addr, &val,
size_memop(l), attrs);
@@ -2796,17 +2797,16 @@ MemTxResult flatview_read_continue(FlatView *fv, hwaddr addr,
(l == 8 && len >= 8));
#endif
stn_he_p(buf, l, val);
+ if (release_lock) {
+ bql_unlock();
+ }
} else {
/* RAM case */
- ram_ptr = qemu_ram_ptr_length(mr->ram_block, mr_addr, &l, false);
+ uint8_t *ram_ptr = qemu_ram_ptr_length(mr->ram_block, mr_addr, &l,
+ false);
memcpy(buf, ram_ptr, l);
}
- if (release_lock) {
- bql_unlock();
- release_lock = false;
- }
-
len -= l;
buf += l;
addr += l;
--
2.44.0