xemu/target
Max Chou 338aa15d50 target/riscv: rvv: Provide a fast path using direct access to host ram for unmasked unit-stride load/store
This commit references the sve_ldN_r/sve_stN_r helper functions in ARM
target to optimize the vector unmasked unit-stride load/store
implementation with following optimizations:

* Get the page boundary
* Probing pages/resolving host memory address at the beginning if
  possible
* Provide new interface to direct access host memory
* Switch to the original slow TLB access when cross page element/violate
  page permission/violate pmp/watchpoints in page

The original element load/store interface is replaced by the new element
load/store functions with _tlb & _host postfix that means doing the
element load/store through the original softmmu flow and the direct
access host memory flow.

Signed-off-by: Max Chou <max.chou@sifive.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20240918171412.150107-4-max.chou@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2024-11-07 12:32:10 +10:00
..
alpha target/alpha: Explicitly set 2-NaN propagation rule 2024-11-05 10:09:56 +00:00
arm target/arm: Enable FEAT_CMOW for -cpu max 2024-11-05 10:10:00 +00:00
avr target/avr: Use explicit little-endian LD/ST API 2024-10-15 12:13:59 -03:00
hexagon target/hexagon: Use explicit little-endian LD/ST API 2024-10-15 11:55:09 -03:00
hppa target/hppa: Explicitly set 2-NaN propagation rule 2024-11-05 10:09:54 +00:00
i386 Misc HW patch queue 2024-11-06 17:28:45 +00:00
loongarch target/loongarch: Explicitly set 2-NaN propagation rule 2024-11-05 10:09:54 +00:00
m68k target/m68k: Initialize float_status fields in gdb set/get functions 2024-11-05 10:09:54 +00:00
microblaze Misc HW patch queue 2024-11-06 17:28:45 +00:00
mips target-arm queue: 2024-11-05 21:27:18 +00:00
openrisc target/openrisc: Explicitly set 2-NaN propagation rule 2024-11-05 10:09:57 +00:00
ppc target-arm queue: 2024-11-05 21:27:18 +00:00
riscv target/riscv: rvv: Provide a fast path using direct access to host ram for unmasked unit-stride load/store 2024-11-07 12:32:10 +10:00
rx target/rx: Explicitly set 2-NaN propagation rule 2024-11-05 10:09:57 +00:00
s390x target/s390x: Explicitly set 2-NaN propagation rule 2024-11-05 10:09:54 +00:00
sh4 license: Update deprecated SPDX tag LGPL-2.0+ to LGPL-2.0-or-later 2024-09-20 10:11:59 +03:00
sparc target/sparc: Explicitly set 2-NaN propagation rule 2024-11-05 10:09:55 +00:00
tricore target/tricore: Use tcg_constant_tl() instead of tcg_gen_movi_tl() 2024-10-15 12:13:59 -03:00
xtensa target/xtensa: Explicitly set 2-NaN propagation rule 2024-11-05 10:09:55 +00:00
Kconfig target/cris: Remove the deprecated CRIS target 2024-09-13 20:11:13 +02:00
meson.build target/cris: Remove the deprecated CRIS target 2024-09-13 20:11:13 +02:00