From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>,
"Huacai Chen" <chenhuacai@kernel.org>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Peter Xu" <peterx@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Bibo Mao" <maobibo@loongson.cn>
Subject: [RFC PATCH 20/25] hw/virtio: Introduce VIRTIO_ST_CONVERT() macro
Date: Tue, 18 May 2021 20:36:50 +0200 [thread overview]
Message-ID: <20210518183655.1711377-21-philmd@redhat.com> (raw)
In-Reply-To: <20210518183655.1711377-1-philmd@redhat.com>
To be able to add more load/store operations,
introduce the VIRTIO_ST_CONVERT() macro.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
include/hw/virtio/virtio-access.h | 32 +++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/include/hw/virtio/virtio-access.h b/include/hw/virtio/virtio-access.h
index 594247f6e35..a86819ef2fe 100644
--- a/include/hw/virtio/virtio-access.h
+++ b/include/hw/virtio/virtio-access.h
@@ -68,6 +68,38 @@ static inline rtype virtio_ld ## size ## _phys_cached(VirtIODevice *vdev,\
return ld ## size ## _le_phys_cached(cache, pa);\
}
+#define VIRTIO_ST_CONVERT(size, vtype)\
+static inline void virtio_st## size ## _p(VirtIODevice *vdev,\
+ void *ptr, vtype v)\
+{\
+ if (virtio_access_is_big_endian(vdev)) {\
+ st## size ## _be_p(ptr, v);\
+ } else {\
+ st## size ## _le_p(ptr, v);\
+ }\
+}\
+static inline void virtio_st## size ## _phys(VirtIODevice *vdev,\
+ hwaddr pa, vtype value)\
+{\
+ AddressSpace *dma_as = vdev->dma_as;\
+\
+ if (virtio_access_is_big_endian(vdev)) {\
+ st## size ## _be_phys(dma_as, pa, value);\
+ } else {\
+ st## size ## _le_phys(dma_as, pa, value);\
+ }\
+}\
+static inline void virtio_st ## size ## _phys_cached(VirtIODevice *vdev,\
+ MemoryRegionCache *cache,\
+ hwaddr pa, vtype value)\
+{\
+ if (virtio_access_is_big_endian(vdev)) {\
+ st ## size ## _be_phys_cached(cache, pa, value);\
+ } else {\
+ st ## size ## _le_phys_cached(cache, pa, value);\
+ }\
+}
+
VIRTIO_LD_CONVERT(uw, uint16_t)
static inline uint32_t virtio_ldl_phys(VirtIODevice *vdev, hwaddr pa)
--
2.26.3
next prev parent reply other threads:[~2021-05-18 18:53 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-18 18:36 [RFC PATCH 00/25] exec: Add load/store API for aligned pointers Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 01/25] exec/memory_ldst_cached: Sort declarations Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 02/25] exec/memory_ldst_phys: " Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 03/25] exec/memory_ldst: Use correct type sizes Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 04/25] exec/memory_ldst_phys: " Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 05/25] exec/memory_ldst_cached: Use correct type size Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 06/25] exec/memory: " Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 07/25] qemu/bswap: Introduce ST_CONVERT() macro Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 08/25] qemu/bswap: Use ST_CONVERT() macro to emit 16-bit load/store functions Philippe Mathieu-Daudé
2021-05-18 20:08 ` Peter Maydell
2021-05-19 17:30 ` Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 09/25] qemu/bswap: Introduce LD_CONVERT() macro Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 10/25] qemu/bswap: Use LD_CONVERT macro to emit 16-bit signed load/store code Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 11/25] qemu/bswap: Use LD_CONVERT macro to emit 16-bit unsigned " Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 12/25] qemu/bswap: Use LDST_CONVERT macro to emit 32-bit load/store functions Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 13/25] qemu/bswap: Use LDST_CONVERT macro to emit 64-bit " Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 14/25] qemu/bswap: Introduce load/store for aligned pointer Philippe Mathieu-Daudé
2021-05-18 20:15 ` Peter Maydell
2021-05-19 5:56 ` Philippe Mathieu-Daudé
2021-05-19 9:08 ` Stefan Hajnoczi
2021-05-18 18:36 ` [RFC PATCH 15/25] exec/memory: Add methods for aligned pointer access (address space) Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 16/25] exec/memory: Add methods for aligned pointer access (physical memory) Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 17/25] hw/virtio: Use correct type sizes Philippe Mathieu-Daudé
2021-05-20 16:27 ` Richard Henderson
2021-05-20 19:13 ` Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 18/25] hw/virtio: Introduce VIRTIO_LD_CONVERT() macro Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 19/25] hw/virtio: Use LD_CONVERT macro to emit 16-bit unsigned load/store code Philippe Mathieu-Daudé
2021-05-18 18:36 ` Philippe Mathieu-Daudé [this message]
2021-05-18 18:36 ` [RFC PATCH 21/25] hw/virtio: Use ST_CONVERT() macro to emit 16-bit load/store functions Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 22/25] hw/virtio: Use LDST_CONVERT macro to emit 32-bit " Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 23/25] hw/virtio: Use LDST_CONVERT macro to emit 64-bit " Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 24/25] hw/virtio: Add methods for aligned pointer access Philippe Mathieu-Daudé
2021-05-18 18:36 ` [RFC PATCH 25/25] hw/virtio: Optimize accesses on vring aligned pointers Philippe Mathieu-Daudé
2021-05-18 18:42 ` [RFC PATCH 00/25] exec: Add load/store API for " no-reply
2021-05-19 19:20 ` Richard Henderson
2021-05-19 19:40 ` Philippe Mathieu-Daudé
2021-05-20 16:28 ` Richard Henderson
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