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authorPeter Maydell2019-09-17 11:20:17 +0200
committerPeter Maydell2019-09-17 11:20:17 +0200
commit186c0ab9b98d90642f37a629b1ff520cbfd06394 (patch)
tree4779893bcad4091b68750a78d3ae728c59d2dc99 /include/exec/memory.h
parentMerge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2019-09-16' in... (diff)
parenthw/i386/pc: Extract the x86 generic fw_cfg code (diff)
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* Fix Patchew CI failures (myself) * i386 fw_cfg refactoring (Philippe) * pmem bugfix (Stefan) * Support for accessing cstate MSRs (Wanpeng) * exec.c cleanups (Wei Yang) * Improved throttling (Yury) * elf-ops.h coverity fix (Stefano) # gpg: Signature made Mon 16 Sep 2019 16:13:12 BST # gpg: using RSA key BFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full] # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full] # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (29 commits) hw/i386/pc: Extract the x86 generic fw_cfg code hw/i386/pc: Rename pc_build_feature_control() as generic fw_cfg_build_* hw/i386/pc: Let pc_build_feature_control() take a MachineState argument hw/i386/pc: Let pc_build_feature_control() take a FWCfgState argument hw/i386/pc: Rename pc_build_smbios() as generic fw_cfg_build_smbios() hw/i386/pc: Let pc_build_smbios() take a generic MachineState argument hw/i386/pc: Let pc_build_smbios() take a FWCfgState argument hw/i386/pc: Replace PCMachineState argument with MachineState in fw_cfg_arch_create hw/i386/pc: Pass the CPUArchIdList array by argument hw/i386/pc: Pass the apic_id_limit value by argument hw/i386/pc: Pass the boot_cpus value by argument hw/i386/pc: Rename bochs_bios_init as more generic fw_cfg_arch_create hw/i386/pc: Use address_space_memory in place hw/i386/pc: Extract e820 memory layout code hw/i386/pc: Use e820_get_num_entries() to access e820_entries cpus: Fix throttling during vm_stop qemu-thread: Add qemu_cond_timedwait memory: inline and optimize devend_memop memory: fetch pmem size in get_file_size() elf-ops.h: fix int overflow in load_elf() ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/exec/memory.h')
-rw-r--r--include/exec/memory.h19
1 files changed, 18 insertions, 1 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 2dd810259d..a30245c25a 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -2201,8 +2201,25 @@ address_space_write_cached(MemoryRegionCache *cache, hwaddr addr,
}
}
+#ifdef NEED_CPU_H
/* enum device_endian to MemOp. */
-MemOp devend_memop(enum device_endian end);
+static inline MemOp devend_memop(enum device_endian end)
+{
+ QEMU_BUILD_BUG_ON(DEVICE_HOST_ENDIAN != DEVICE_LITTLE_ENDIAN &&
+ DEVICE_HOST_ENDIAN != DEVICE_BIG_ENDIAN);
+
+#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
+ /* Swap if non-host endianness or native (target) endianness */
+ return (end == DEVICE_HOST_ENDIAN) ? 0 : MO_BSWAP;
+#else
+ const int non_host_endianness =
+ DEVICE_LITTLE_ENDIAN ^ DEVICE_BIG_ENDIAN ^ DEVICE_HOST_ENDIAN;
+
+ /* In this case, native (target) endianness needs no swap. */
+ return (end == non_host_endianness) ? MO_BSWAP : 0;
+#endif
+}
+#endif
#endif