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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: "Philippe Mathieu-Daudé" <philmd@linaro.org>, qemu-devel@nongnu.org
Cc: Paul Durrant <paul@xen.org>,
	Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
	David Hildenbrand <david@redhat.com>,
	Weiwei Li <liwei1518@gmail.com>,
	xen-devel@lists.xenproject.org,
	Paolo Bonzini <pbonzini@redhat.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	Peter Xu <peterx@redhat.com>, Nicholas Piggin <npiggin@gmail.com>,
	kvm@vger.kernel.org, qemu-ppc@nongnu.org,
	Alistair Francis <alistair.francis@wdc.com>,
	"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
	Stefano Stabellini <sstabellini@kernel.org>,
	Harsh Prateek Bora <harshpb@linux.ibm.com>,
	alex.bennee@linaro.org, qemu-riscv@nongnu.org,
	manos.pitsidianakis@linaro.org,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Daniel Henrique Barboza <danielhb413@gmail.com>,
	Anthony PERARD <anthony@xenproject.org>
Subject: Re: [PATCH v2 14/16] include/exec/memory: extract devend_big_endian from devend_memop
Date: Tue, 11 Mar 2025 08:20:12 -0700	[thread overview]
Message-ID: <42184de6-5484-4e5a-b502-48db0e6d2cf5@linaro.org> (raw)
In-Reply-To: <b8073e25-ae8a-462b-b085-84c471a4bf5e@linaro.org>

On 3/11/25 00:36, Philippe Mathieu-Daudé wrote:
> On 11/3/25 05:08, Pierrick Bouvier wrote:
>> we'll use it in system/memory.c.
> 
> Having part of the commit description separated in its subject is a
> bit annoying. But then I'm probably using 20-years too old tools in
> my patch workflow.
> 
> Only used in system/{memory,physmem}.c, worth move to a local
> system/memory-internal.h header? Or even simpler, move
> include/exec/memory-internal.h -> exec/memory-internal.h first.
> 

Good point, I'll move them to the existing exec/memory-internal.h in an 
additional commit.

>> Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
>> ---
>>    include/exec/memory.h | 18 ++++++++++++------
>>    1 file changed, 12 insertions(+), 6 deletions(-)
>>
>> diff --git a/include/exec/memory.h b/include/exec/memory.h
>> index 60c0fb6ccd4..57661283684 100644
>> --- a/include/exec/memory.h
>> +++ b/include/exec/memory.h
>> @@ -3138,16 +3138,22 @@ address_space_write_cached(MemoryRegionCache *cache, hwaddr addr,
>>    MemTxResult address_space_set(AddressSpace *as, hwaddr addr,
>>                                  uint8_t c, hwaddr len, MemTxAttrs attrs);
>>    
>> -/* enum device_endian to MemOp.  */
>> -static inline MemOp devend_memop(enum device_endian end)
>> +/* returns true if end is big endian. */
>> +static inline bool devend_big_endian(enum device_endian end)
>>    {
>>        QEMU_BUILD_BUG_ON(DEVICE_HOST_ENDIAN != DEVICE_LITTLE_ENDIAN &&
>>                          DEVICE_HOST_ENDIAN != DEVICE_BIG_ENDIAN);
>>    
>> -    bool big_endian = (end == DEVICE_NATIVE_ENDIAN
>> -                       ? target_words_bigendian()
>> -                       : end == DEVICE_BIG_ENDIAN);
>> -    return big_endian ? MO_BE : MO_LE;
>> +    if (end == DEVICE_NATIVE_ENDIAN) {
>> +        return target_words_bigendian();
>> +    }
>> +    return end == DEVICE_BIG_ENDIAN;
>> +}
>> +
>> +/* enum device_endian to MemOp.  */
>> +static inline MemOp devend_memop(enum device_endian end)
>> +{
>> +    return devend_big_endian(end) ? MO_BE : MO_LE;
>>    }
>>    
>>    /*
> 

  reply	other threads:[~2025-03-11 15:20 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-11  4:08 [PATCH v2 00/16] make system memory API available for common code Pierrick Bouvier
2025-03-11  4:08 ` [PATCH v2 01/16] exec/tswap: target code can use TARGET_BIG_ENDIAN instead of target_words_bigendian() Pierrick Bouvier
2025-03-11  4:08 ` [PATCH v2 02/16] exec/tswap: implement {ld, st}.*_p as functions instead of macros Pierrick Bouvier
2025-03-11 19:13   ` [PATCH v2 02/16] exec/tswap: implement {ld,st}.*_p " Richard Henderson
2025-03-11  4:08 ` [PATCH v2 03/16] exec/memory_ldst: extract memory_ldst declarations from cpu-all.h Pierrick Bouvier
2025-03-11 15:09   ` Pierrick Bouvier
2025-03-11 19:15   ` Richard Henderson
2025-03-11  4:08 ` [PATCH v2 04/16] exec/memory_ldst_phys: extract memory_ldst_phys " Pierrick Bouvier
2025-03-11 19:18   ` Richard Henderson
2025-03-11  4:08 ` [PATCH v2 05/16] exec/memory.h: make devend_memop "target defines" agnostic Pierrick Bouvier
2025-03-11 19:23   ` Richard Henderson
2025-03-11  4:08 ` [PATCH v2 06/16] codebase: prepare to remove cpu.h from exec/exec-all.h Pierrick Bouvier
2025-03-11  4:08 ` [PATCH v2 07/16] exec/exec-all: remove dependency on cpu.h Pierrick Bouvier
2025-03-11  7:26   ` Philippe Mathieu-Daudé
2025-03-11 15:10     ` Pierrick Bouvier
2025-03-11  4:08 ` [PATCH v2 08/16] exec/memory-internal: " Pierrick Bouvier
2025-03-11  7:26   ` Philippe Mathieu-Daudé
2025-03-11 15:13     ` Pierrick Bouvier
2025-03-11  4:08 ` [PATCH v2 09/16] exec/ram_addr: " Pierrick Bouvier
2025-03-11  4:08 ` [PATCH v2 10/16] system/kvm: make kvm_flush_coalesced_mmio_buffer() accessible for common code Pierrick Bouvier
2025-03-11  4:08 ` [PATCH v2 11/16] exec/ram_addr: call xen_hvm_modified_memory only if xen is enabled Pierrick Bouvier
2025-03-11  7:29   ` Philippe Mathieu-Daudé
2025-03-11 15:16     ` Pierrick Bouvier
2025-03-11  4:08 ` [PATCH v2 12/16] hw/xen: add stubs for various functions Pierrick Bouvier
2025-03-11  4:08 ` [PATCH v2 13/16] system/physmem: compilation unit is now common to all targets Pierrick Bouvier
2025-03-11  4:08 ` [PATCH v2 14/16] include/exec/memory: extract devend_big_endian from devend_memop Pierrick Bouvier
2025-03-11  7:36   ` Philippe Mathieu-Daudé
2025-03-11 15:20     ` Pierrick Bouvier [this message]
2025-03-11 15:24     ` Pierrick Bouvier
2025-03-11 19:32   ` Richard Henderson
2025-03-11  4:08 ` [PATCH v2 15/16] system/memory: make compilation unit common Pierrick Bouvier
2025-03-11 19:33   ` Richard Henderson
2025-03-11  4:08 ` [PATCH v2 16/16] system/ioport: " Pierrick Bouvier

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