| #
97c87227 |
| 03-May-2024 |
Richard Henderson <richard.henderson@linaro.org> |
Merge tag 'accel-sh4-ui-20240503' of https://github.com/philmd/qemu into staging
- Fix NULL dereference in NVMM & WHPX init_vcpu()
- Move user emulation headers "exec/user" to "user"
- Fix SH-4 ADDV
Merge tag 'accel-sh4-ui-20240503' of https://github.com/philmd/qemu into staging
- Fix NULL dereference in NVMM & WHPX init_vcpu()
- Move user emulation headers "exec/user" to "user"
- Fix SH-4 ADDV / SUBV opcodes
- Drop Cocoa compatility on macOS <= 10.12
- Update Anthony PERARD email
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* tag 'accel-sh4-ui-20240503' of https://github.com/philmd/qemu:
ui/cocoa.m: Drop old macOS-10.12-and-earlier compat ifdefs
target/sh4: Rename TCGv variables as manual for SUBV opcode
target/sh4: Rename TCGv variables as manual for ADDV opcode
target/sh4: Fix SUBV opcode
target/sh4: Fix ADDV opcode
MAINTAINERS: Update my email address
plugins: Update stale comment
plugins/api: Only include 'exec/ram_addr.h' with system emulation
coverity: Update user emulation regexp
user: Move 'thunk.h' from 'exec/user' to 'user'
user: Move 'abitypes.h' from 'exec/user' to 'user'
exec: Include missing license in 'exec/cpu-common.h'
accel/whpx: Fix NULL dereference in whpx_init_vcpu()
accel/nvmm: Fix NULL dereference in nvmm_init_vcpu()
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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| #
e88a856e |
| 30-Apr-2024 |
Philippe Mathieu-Daudé <philmd@linaro.org> |
target/sh4: Fix SUBV opcode
The documentation says:
SUBV Rm, Rn Rn - Rm -> Rn, underflow -> T
The overflow / underflow can be calculated as:
T = ((Rn ^ Rm) & (Result ^ Rn)) >> 31
Howe
target/sh4: Fix SUBV opcode
The documentation says:
SUBV Rm, Rn Rn - Rm -> Rn, underflow -> T
The overflow / underflow can be calculated as:
T = ((Rn ^ Rm) & (Result ^ Rn)) >> 31
However we were using the incorrect:
T = ((Rn ^ Rm) & (Result ^ Rm)) >> 31
Fix by using the Rn register instead of Rm.
Add tests provided by Paul Cercueil.
Cc: qemu-stable@nongnu.org
Fixes: ad8d25a11f ("target-sh4: implement addv and subv using TCG")
Reported-by: Paul Cercueil <paul@crapouillou.net>
Suggested-by: Paul Cercueil <paul@crapouillou.net>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2318
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Message-Id: <20240430163125.77430-3-philmd@linaro.org>
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