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| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2021-04-27 15:33:37 +0200 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@linaro.org> | 2025-07-29 13:56:15 +0200 |
| commit | e895095c78ab877d40df2dd31ee79d85757d963b (patch) | |
| tree | 4fce503472496909c34f8d7e8abd035f9c6cfbcd /hw/core/cpu-user.c | |
| parent | c017386f28c03a03b8f14444f8671d3d8f7180fe (diff) | |
| download | qemu-e895095c78ab877d40df2dd31ee79d85757d963b.zip qemu-e895095c78ab877d40df2dd31ee79d85757d963b.tar.gz qemu-e895095c78ab877d40df2dd31ee79d85757d963b.tar.bz2 | |
target/mips: Only update MVPControl.EVP bit if executed by master VPE
According to the 'MIPS MT Application-Specific Extension' manual:
If the VPE executing the instruction is not a Master VPE,
with the MVP bit of the VPEConf0 register set, the EVP bit
is unchanged by the instruction.
Modify the DVPE/EVPE opcodes to only update the MVPControl.EVP bit
if executed on a master VPE.
Cc: qemu-stable@nongnu.org
Reported-by: Hansni Bu
Buglink: https://bugs.launchpad.net/qemu/+bug/1926277
Fixes: f249412c749 ("mips: Add MT halting and waking of VPEs")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-ID: <20210427133343.159718-1-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Diffstat (limited to 'hw/core/cpu-user.c')
0 files changed, 0 insertions, 0 deletions