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unicorn/qemu/target/arm
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Peter Maydell 999080382f
target/arm: Allow explicit writes to CONTROL.SPSEL in Handler mode 
In ARMv7M the CPU ignores explicit writes to CONTROL.SPSEL
in Handler mode. In v8M the behaviour is slightly different:
writes to the bit are permitted but will have no effect.

We've already done the hard work to handle the value in
CONTROL.SPSEL being out of sync with what stack pointer is
actually in use, so all we need to do to fix this last loose
end is to update the condition we use to guard whether we
call write_v7m_control_spsel() on the register write.

Backports commit 83d7f86d3d27473c0aac79c1baaa5c2ab01b02d9 from qemu
2018-03-05 13:48:30 -05:00
..
arm-powerctl.c ARM: Factor out ARM on/off PSCI control functions 2018-03-01 23:31:47 -05:00
arm-powerctl.h ARM: Factor out ARM on/off PSCI control functions 2018-03-01 23:31:47 -05:00
arm_ldst.h Fix Thumb-1 BE32 execution and disassembly. 2018-03-02 00:20:11 -05:00
cpu-qom.h Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
cpu.c qom: Introduce CPUClass.tcg_initialize 2018-03-05 09:49:26 -05:00
cpu.h target/arm: Report GICv3 sysregs present in ID registers if needed 2018-03-05 13:48:28 -05:00
cpu64.c target-arm: Enable EL2 feature bit on A53 and A57 2018-03-01 23:36:44 -05:00
crypto_helper.c Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
helper-a64.c target/arm: Use helper_retaddr in stxp helpers 2018-03-05 13:48:28 -05:00
helper-a64.h Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
helper.c target/arm: Allow explicit writes to CONTROL.SPSEL in Handler mode 2018-03-05 13:48:30 -05:00
helper.h fix WFI/WFE length in syndrome register 2018-03-05 11:21:51 -05:00
internals.h fix WFI/WFE length in syndrome register 2018-03-05 11:21:51 -05:00
iwmmxt_helper.c Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
kvm-consts.h arm: better stub version for MISMATCH_CHECK 2018-03-02 00:13:45 -05:00
Makefile.objs ARM: Factor out ARM on/off PSCI control functions 2018-03-01 23:31:47 -05:00
neon_helper.c Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
op_addsub.h Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
op_helper.c fix WFI/WFE length in syndrome register 2018-03-05 11:21:51 -05:00
psci.c fix WFI/WFE length in syndrome register 2018-03-05 11:21:51 -05:00
translate-a64.c arm/translate-a64: mark path as unreachable to eliminate warning 2018-03-05 11:40:11 -05:00
translate.c target/arm: Generate UNDEF for 32-bit Thumb2 insns 2018-03-05 13:48:29 -05:00
translate.h target/arm: Implement BXNS, and banked stack pointers 2018-03-04 21:21:23 -05:00
unicorn.h Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
unicorn_aarch64.c Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
unicorn_arm.c Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00