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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-01-12 11:24:32 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2023-01-23 13:32:38 +0000 |
| commit | 2a8af3825958e5d8c98b3ca92ac42a10e25db9e1 (patch) | |
| tree | af55992323929ac54ff8cdaf8efdf33fa0237267 /target/arm/helper.c | |
| parent | 3c9ee548948870c14235e3fa8fb235c0c1c20822 (diff) | |
| download | qemu-2a8af3825958e5d8c98b3ca92ac42a10e25db9e1.zip qemu-2a8af3825958e5d8c98b3ca92ac42a10e25db9e1.tar.gz qemu-2a8af3825958e5d8c98b3ca92ac42a10e25db9e1.tar.bz2 | |
target/arm/sme: Introduce aarch64_set_svcr()
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20230112102436.1913-4-philmd@linaro.org
Message-Id: <20230112004322.161330-1-richard.henderson@linaro.org>
[PMD: Split patch in multiple tiny steps]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/helper.c')
| -rw-r--r-- | target/arm/helper.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c index 22ea8fb..24c069b 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -6725,11 +6725,19 @@ static CPAccessResult access_esm(CPUARMState *env, const ARMCPRegInfo *ri, return CP_ACCESS_OK; } +void aarch64_set_svcr(CPUARMState *env, uint64_t new, uint64_t mask) +{ + uint64_t change = (env->svcr ^ new) & mask; + + env->svcr ^= change; +} + static void svcr_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { helper_set_pstate_sm(env, FIELD_EX64(value, SVCR, SM)); helper_set_pstate_za(env, FIELD_EX64(value, SVCR, ZA)); + aarch64_set_svcr(env, value, -1); arm_rebuild_hflags(env); } |