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qemu/target/arm
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Peter Maydell d1ff996788 target/arm: Explicitly set 2-NaN propagation rule 
Set the 2-NaN propagation rule explicitly in the float_status words
we use.  We wrap this plus the pre-existing setting of the
tininess-before-rounding flag in a new function
arm_set_default_fp_behaviours() to avoid repetition, since we have a
lot of float_status words at this point.

The situation with FPA11 emulation in linux-user is a little odd, and
arguably "correct" behaviour there would be to exactly match a real
Linux kernel's FPA11 emulation.  However FPA11 emulation is
essentially dead at this point and so it seems better to continue
with QEMU's current behaviour and leave a comment describing the
situation.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241025141254.2141506-4-peter.maydell@linaro.org
2024-11-05 10:09:53 +00:00
..
hvf hvf: arm: Implement and use hvf_get_physical_address_range 2024-09-13 15:31:47 +01:00
tcg target/arm: Fix arithmetic underflow in SETM instruction 2024-10-29 15:04:47 +00:00
arch_dump.c target/arm: Move feature test functions to their own header 2023-10-27 11:44:32 +01:00
arm-powerctl.c target/arm: Expose arm_cpu_mp_affinity() in 'multiprocessing.h' header 2024-01-26 11:30:48 +00:00
arm-powerctl.h target/arm/arm-powerctl: Add new arm_set_cpu_on_and_reset() 2019-02-28 11:03:04 +00:00
arm-qmp-cmds.c target: Improve error reporting for CpuModelInfo member @props 2024-03-12 14:03:00 +01:00
common-semi-target.h target/arm/common-semi-target.h: Remove unnecessary boot.h include 2023-10-19 14:32:13 +01:00
cortex-regs.c target/arm: Saturate L2CTLR_EL1 core count field rather than overflowing 2023-05-18 11:39:33 +01:00
cpregs.h target/arm/cpregs: Include missing 'kvm-consts.h' header 2024-01-26 11:30:48 +00:00
cpu64.c target/arm/tcg: refine cache descriptions with a wrapper 2024-09-13 15:31:47 +01:00
cpu-features.h target/arm/tcg: refine cache descriptions with a wrapper 2024-09-13 15:31:47 +01:00
cpu-param.h license: Update deprecated SPDX tag LGPL-2.0+ to LGPL-2.0-or-later 2024-09-20 10:11:59 +03:00
cpu-qom.h target/arm: Add support for Non-maskable Interrupt 2024-04-25 10:21:04 +01:00
cpu.c target/arm: Explicitly set 2-NaN propagation rule 2024-11-05 10:09:53 +00:00
cpu.h arm/kvm: add support for MTE 2024-10-29 12:54:40 +00:00
debug_helper.c target/arm: Mark up VNCR offsets (offsets 0x100..0x160) 2024-01-09 14:44:45 +00:00
gdbstub64.c gdbstub: Add support for MTE in system mode 2024-09-10 23:33:51 +01:00
gdbstub.c gdbstub: Re-factor gdb command extensions 2024-07-22 09:37:44 +01:00
gtimer.h target/arm: Move GTimer definitions to new 'gtimer.h' header 2024-01-26 11:30:49 +00:00
helper.c target/arm: Pass MemOp to get_phys_addr_with_space_nogpc 2024-10-13 11:27:06 -07:00
helper.h target/arm: Widen NeonGenNarrowEnvFn return to 64 bits 2024-09-19 12:58:58 +01:00
hvf_arm.h hvf: arm: Implement and use hvf_get_physical_address_range 2024-09-13 15:31:47 +01:00
hyp_gdbstub.c target/arm: remove break after g_assert_not_reached() 2024-09-24 13:53:35 +02:00
idau.h Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
internals.h target/arm: Don't assert in regime_is_user() for E10 mmuidx values 2024-10-29 15:04:46 +00:00
Kconfig kconfig: express dependency of individual boards on libfdt 2024-05-10 15:45:15 +02:00
kvm_arm.h target/arm: kvm: require KVM_CAP_DEVICE_CTRL 2024-10-29 15:04:47 +00:00
kvm-consts.h exec: Rename NEED_CPU_H -> COMPILING_PER_TARGET 2024-04-26 09:49:51 +02:00
kvm-stub.c target/arm: Avoid bare abort() or assert(0) 2022-05-05 09:35:51 +01:00
kvm.c target/arm: kvm: require KVM_CAP_DEVICE_CTRL 2024-10-29 15:04:47 +00:00
machine.c target/arm: Rename FPSR_MASK and FPCR_MASK and define them symbolically 2024-07-11 11:41:33 +01:00
meson.build target/arm: Move v7m-related code from cpu32.c into a separate file 2024-03-08 14:45:03 +00:00
multiprocessing.h target/arm: Expose arm_cpu_mp_affinity() in 'multiprocessing.h' header 2024-01-26 11:30:48 +00:00
op_addsub.h
ptw.c target/arm: Fix alignment fault priority in get_phys_addr_lpae 2024-10-13 11:27:06 -07:00
syndrome.h target/arm: fix exception syndrome for AArch32 bkpt insn 2024-02-02 13:51:57 +00:00
tcg-stubs.c target/arm: Move hflags code into the tcg directory 2023-02-27 13:27:04 +00:00
trace-events target/arm: Implement FEAT_ECV CNTPOFF_EL2 handling 2024-03-07 12:19:03 +00:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
vfp_helper.c target/arm: Store FPSR cumulative exception bits in env->vfp.fpsr 2024-10-29 15:04:46 +00:00