Merge tag 'misc-fixes-20231204' of https://github.com/philmd/qemu into staging

Misc fixes for 8.2

- memory: Avoid unaligned accesses (Patrick)
- target/riscv: Fix variable shadowing (Daniel)
- tests/avocado: Update URL, skip flaky test (Alex, Phil)

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# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
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* tag 'misc-fixes-20231204' of https://github.com/philmd/qemu:
  tests/avocado: mark ReplayKernelNormal.test_mips64el_malta as flaky
  tests/avocado: Update yamon-bin-02.22.zip URL
  target/riscv/kvm: fix shadowing in kvm_riscv_(get|put)_regs_csr
  system/memory: use ldn_he_p/stn_he_p

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 2 insertions, 30 deletions

diff --git a/system/memory.c b/system/memory.c
index 4d9cb0a..798b6c0 100644
--- a/system/memory.c
+++ b/system/memory.c
@@ -1339,22 +1339,7 @@ static uint64_t memory_region_ram_device_read(void *opaque,
                                               hwaddr addr, unsigned size)
 {
     MemoryRegion *mr = opaque;
-    uint64_t data = (uint64_t)~0;
-
-    switch (size) {
-    case 1:
-        data = *(uint8_t *)(mr->ram_block->host + addr);
-        break;
-    case 2:
-        data = *(uint16_t *)(mr->ram_block->host + addr);
-        break;
-    case 4:
-        data = *(uint32_t *)(mr->ram_block->host + addr);
-        break;
-    case 8:
-        data = *(uint64_t *)(mr->ram_block->host + addr);
-        break;
-    }
+    uint64_t data = ldn_he_p(mr->ram_block->host + addr, size);
 
     trace_memory_region_ram_device_read(get_cpu_index(), mr, addr, data, size);
 
@@ -1368,20 +1353,7 @@ static void memory_region_ram_device_write(void *opaque, hwaddr addr,
 
     trace_memory_region_ram_device_write(get_cpu_index(), mr, addr, data, size);
 
-    switch (size) {
-    case 1:
-        *(uint8_t *)(mr->ram_block->host + addr) = (uint8_t)data;
-        break;
-    case 2:
-        *(uint16_t *)(mr->ram_block->host + addr) = (uint16_t)data;
-        break;
-    case 4:
-        *(uint32_t *)(mr->ram_block->host + addr) = (uint32_t)data;
-        break;
-    case 8:
-        *(uint64_t *)(mr->ram_block->host + addr) = data;
-        break;
-    }
+    stn_he_p(mr->ram_block->host + addr, size, data);
 }
 
 static const MemoryRegionOps ram_device_mem_ops = {