* [ECOS] Re: eCos ARM Context_Switch
[not found] <000c01c04880$15f20450$3f00000a@qiujia>
@ 2000-11-06 22:51 ` Jonathan Larmour
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From: Jonathan Larmour @ 2000-11-06 22:51 UTC (permalink / raw)
To: Shinest; +Cc: eCos discussion
> Shinest wrote:
>
> Hi,
> When I read the eCos ARM Context Switch code, I never find any
> instruction as stmdf sp!, {sp, lr}^ . So I can't understand how the code
> save all of the user mode register under the privileged mode.
Um, hal_thread_switch_context? Or are you worried about the mode the
processor is in? eCos always runs in supervisor mode. Even when it takes an
interrupt, it switches to supervisor mode as soon as it can.
Jifl
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2000-11-06 22:51 ` [ECOS] Re: eCos ARM Context_Switch Jonathan Larmour
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