[PATCH 2/3] Add ARM Paravirtualization support
Sebastian Huber
sebastian.huber at embedded-brains.de
Tue Mar 13 06:47:29 UTC 2018
On 12/03/18 21:41, Joel Sherrill wrote:
> diff --git a/cpukit/score/cpu/arm/cpu_asm.S b/cpukit/score/cpu/arm/cpu_asm.S
> index f58b99d..39a756c 100644
> --- a/cpukit/score/cpu/arm/cpu_asm.S
> +++ b/cpukit/score/cpu/arm/cpu_asm.S
> @@ -111,9 +111,10 @@ DEFINE_FUNCTION_ARM(_CPU_Context_switch)
> #endif
>
> #ifdef ARM_MULTILIB_HAS_THREAD_ID_REGISTER
Why don't you suppress the ARM_MULTILIB_HAS_THREAD_ID_REGISTER
definition in case RTEMS_PARAVIRT is defined?
> + #ifndef ARM_DISABLE_THREAD_ID_REGISTER_USE
> mcr p15, 0, r3, c13, c0, 3
> + #endif
> #endif
> -
Please don't delete this blank line. The next statement has nothing to
do with the thread ID.
> str r4, [r2, #PER_CPU_ISR_DISPATCH_DISABLE]
>
> /* In ARMv5T and above the load of PC is an interworking branch */
--
Sebastian Huber, embedded brains GmbH
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E-Mail : sebastian.huber at embedded-brains.de
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