From: Tony Nguyen <tony.nguyen@bt.com>
To: qemu-devel@nongnu.org
Cc: "Tony Nguyen" <tony.nguyen@bt.com>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Richard Henderson" <rth@twiddle.net>
Subject: [Qemu-devel] [PATCH v9 08/20] exec: Access MemoryRegion with MemOp
Date: Sat, 24 Aug 2019 04:36:46 +1000 [thread overview]
Message-ID: <3b042deef0a60dd49ae2320ece92120ba6027f2b.1566466906.git.tony.nguyen@bt.com> (raw)
In-Reply-To: <cover.1566466906.git.tony.nguyen@bt.com>
The memory_region_dispatch_{read|write} operand "unsigned size" is
being converted into a "MemOp op".
Convert interfaces by using no-op size_memop.
After all interfaces are converted, size_memop will be implemented
and the memory_region_dispatch_{read|write} operand "unsigned size"
will be converted into a "MemOp op".
As size_memop is a no-op, this patch does not change any behaviour.
Signed-off-by: Tony Nguyen <tony.nguyen@bt.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
exec.c | 6 ++++--
memory_ldst.inc.c | 18 +++++++++---------
2 files changed, 13 insertions(+), 11 deletions(-)
diff --git a/exec.c b/exec.c
index 731b79d2e4..73d629b9c8 100644
--- a/exec.c
+++ b/exec.c
@@ -3364,7 +3364,8 @@ static MemTxResult flatview_write_continue(FlatView *fv, hwaddr addr,
/* XXX: could force current_cpu to NULL to avoid
potential bugs */
val = ldn_p(buf, l);
- result |= memory_region_dispatch_write(mr, addr1, val, l, attrs);
+ result |= memory_region_dispatch_write(mr, addr1, val,
+ size_memop(l), attrs);
} else {
/* RAM case */
ptr = qemu_ram_ptr_length(mr->ram_block, addr1, &l, false);
@@ -3425,7 +3426,8 @@ MemTxResult flatview_read_continue(FlatView *fv, hwaddr addr,
/* I/O case */
release_lock |= prepare_mmio_access(mr);
l = memory_access_size(mr, l, addr1);
- result |= memory_region_dispatch_read(mr, addr1, &val, l, attrs);
+ result |= memory_region_dispatch_read(mr, addr1, &val,
+ size_memop(l), attrs);
stn_p(buf, l, val);
} else {
/* RAM case */
diff --git a/memory_ldst.inc.c b/memory_ldst.inc.c
index acf865b900..1e8a2fc3ba 100644
--- a/memory_ldst.inc.c
+++ b/memory_ldst.inc.c
@@ -38,7 +38,7 @@ static inline uint32_t glue(address_space_ldl_internal, SUFFIX)(ARG1_DECL,
release_lock |= prepare_mmio_access(mr);
/* I/O case */
- r = memory_region_dispatch_read(mr, addr1, &val, 4, attrs);
+ r = memory_region_dispatch_read(mr, addr1, &val, size_memop(4), attrs);
#if defined(TARGET_WORDS_BIGENDIAN)
if (endian == DEVICE_LITTLE_ENDIAN) {
val = bswap32(val);
@@ -114,7 +114,7 @@ static inline uint64_t glue(address_space_ldq_internal, SUFFIX)(ARG1_DECL,
release_lock |= prepare_mmio_access(mr);
/* I/O case */
- r = memory_region_dispatch_read(mr, addr1, &val, 8, attrs);
+ r = memory_region_dispatch_read(mr, addr1, &val, size_memop(8), attrs);
#if defined(TARGET_WORDS_BIGENDIAN)
if (endian == DEVICE_LITTLE_ENDIAN) {
val = bswap64(val);
@@ -188,7 +188,7 @@ uint32_t glue(address_space_ldub, SUFFIX)(ARG1_DECL,
release_lock |= prepare_mmio_access(mr);
/* I/O case */
- r = memory_region_dispatch_read(mr, addr1, &val, 1, attrs);
+ r = memory_region_dispatch_read(mr, addr1, &val, size_memop(1), attrs);
} else {
/* RAM case */
ptr = qemu_map_ram_ptr(mr->ram_block, addr1);
@@ -224,7 +224,7 @@ static inline uint32_t glue(address_space_lduw_internal, SUFFIX)(ARG1_DECL,
release_lock |= prepare_mmio_access(mr);
/* I/O case */
- r = memory_region_dispatch_read(mr, addr1, &val, 2, attrs);
+ r = memory_region_dispatch_read(mr, addr1, &val, size_memop(2), attrs);
#if defined(TARGET_WORDS_BIGENDIAN)
if (endian == DEVICE_LITTLE_ENDIAN) {
val = bswap16(val);
@@ -300,7 +300,7 @@ void glue(address_space_stl_notdirty, SUFFIX)(ARG1_DECL,
if (l < 4 || !memory_access_is_direct(mr, true)) {
release_lock |= prepare_mmio_access(mr);
- r = memory_region_dispatch_write(mr, addr1, val, 4, attrs);
+ r = memory_region_dispatch_write(mr, addr1, val, size_memop(4), attrs);
} else {
ptr = qemu_map_ram_ptr(mr->ram_block, addr1);
stl_p(ptr, val);
@@ -346,7 +346,7 @@ static inline void glue(address_space_stl_internal, SUFFIX)(ARG1_DECL,
val = bswap32(val);
}
#endif
- r = memory_region_dispatch_write(mr, addr1, val, 4, attrs);
+ r = memory_region_dispatch_write(mr, addr1, val, size_memop(4), attrs);
} else {
/* RAM case */
ptr = qemu_map_ram_ptr(mr->ram_block, addr1);
@@ -408,7 +408,7 @@ void glue(address_space_stb, SUFFIX)(ARG1_DECL,
mr = TRANSLATE(addr, &addr1, &l, true, attrs);
if (!memory_access_is_direct(mr, true)) {
release_lock |= prepare_mmio_access(mr);
- r = memory_region_dispatch_write(mr, addr1, val, 1, attrs);
+ r = memory_region_dispatch_write(mr, addr1, val, size_memop(1), attrs);
} else {
/* RAM case */
ptr = qemu_map_ram_ptr(mr->ram_block, addr1);
@@ -451,7 +451,7 @@ static inline void glue(address_space_stw_internal, SUFFIX)(ARG1_DECL,
val = bswap16(val);
}
#endif
- r = memory_region_dispatch_write(mr, addr1, val, 2, attrs);
+ r = memory_region_dispatch_write(mr, addr1, val, size_memop(2), attrs);
} else {
/* RAM case */
ptr = qemu_map_ram_ptr(mr->ram_block, addr1);
@@ -524,7 +524,7 @@ static void glue(address_space_stq_internal, SUFFIX)(ARG1_DECL,
val = bswap64(val);
}
#endif
- r = memory_region_dispatch_write(mr, addr1, val, 8, attrs);
+ r = memory_region_dispatch_write(mr, addr1, val, size_memop(8), attrs);
} else {
/* RAM case */
ptr = qemu_map_ram_ptr(mr->ram_block, addr1);
--
2.23.0
next prev parent reply other threads:[~2019-08-23 18:40 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-23 1:19 [Qemu-devel] [PATCH v9 00/20] Invert Endian bit in SPARCv9 MMU TTE Tony Nguyen
2019-08-23 1:02 ` Tony Nguyen
2019-08-23 2:29 ` Richard Henderson
2019-08-23 12:25 ` tony.nguyen
2019-08-23 16:46 ` Richard Henderson
2019-08-23 18:51 ` Richard Henderson
2019-08-23 18:10 ` [Qemu-devel] [PATCH v9 01/20] tcg: TCGMemOp is now accelerator independent MemOp Tony Nguyen
2019-08-23 18:29 ` [Qemu-devel] [PATCH v9 02/20] memory: Introduce size_memop Tony Nguyen
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 03/20] target/mips: Access MemoryRegion with MemOp Tony Nguyen
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 04/20] hw/s390x: " Tony Nguyen
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 05/20] hw/intc/armv7m_nic: " Tony Nguyen
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 06/20] hw/virtio: " Tony Nguyen
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 07/20] hw/vfio: " Tony Nguyen
2019-08-23 18:36 ` Tony Nguyen [this message]
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 09/20] cputlb: " Tony Nguyen
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 10/20] memory: " Tony Nguyen
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 11/20] hw/s390x: Hard code size with MO_{8|16|32|64} Tony Nguyen
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 12/20] target/mips: " Tony Nguyen
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 13/20] exec: " Tony Nguyen
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 14/20] memory: Access MemoryRegion with endianness Tony Nguyen
2019-08-23 19:04 ` Richard Henderson
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 15/20] cputlb: Replace size and endian operands for MemOp Tony Nguyen
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 16/20] memory: Single byte swap along the I/O path Tony Nguyen
2019-08-23 19:12 ` Richard Henderson
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 17/20] cpu: TLB_FLAGS_MASK bit to force memory slow path Tony Nguyen
2019-08-23 22:27 ` Richard Henderson
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 18/20] cputlb: Byte swap memory transaction attribute Tony Nguyen
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 19/20] target/sparc: Add TLB entry with attributes Tony Nguyen
2019-08-23 18:36 ` [Qemu-devel] [PATCH v9 20/20] target/sparc: sun4u Invert Endian TTE bit Tony Nguyen
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