From: Andrew Lunn <andrew@lunn.ch>
To: Chris Zimman <czimman@bloomberg.com>
Cc: Grant Edwards <grante@visi.com>, ecos-discuss@sources.redhat.com
Subject: Re: [ECOS] Re: On ARM7 can one of FIQ/IRQ be used for non-eCos stuff?
Date: Wed, 02 Apr 2008 18:59:00 -0000 [thread overview]
Message-ID: <20080402185842.GD7929@lunn.ch> (raw)
In-Reply-To: <F31C1582037F5041B0CD525FD870AE6A774279@ny2545.corp.bloomberg.com>
> I would think what you'd want to do is to provide a function to change
> the FIQ vector after eCos has started.
It already exists.
void cyg_interrupt_get_vsr(cyg_vector_t vector, cyg_VSR_t** vsr);
void cyg_interrupt_set_vsr(cyg_vector_t vector, cyg_VSR_t* vsr);
with the vector CYGNUM_HAL_VECTOR_FIQ.
The vsr function needs to be written in assembly and save and restore
all registers etc.
Andrew
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next prev parent reply other threads:[~2008-04-02 18:59 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-02 16:48 [ECOS] " Grant Edwards
2008-04-02 16:51 ` Chris Zimman
2008-04-02 17:23 ` [ECOS] " Grant Edwards
2008-04-02 17:39 ` Chris Zimman
2008-04-02 18:48 ` Grant Edwards
2008-04-02 19:21 ` Alexander Neundorf
2008-04-02 19:30 ` Andrew Lunn
2008-04-02 19:40 ` Grant Edwards
2008-04-02 19:47 ` Andrew Lunn
2008-04-02 21:12 ` Grant Edwards
2008-04-02 19:33 ` Grant Edwards
2008-04-02 19:42 ` Andrew Lunn
2008-04-02 20:23 ` Alexander Neundorf
2008-04-02 20:59 ` Paul D. DeRocco
2008-04-02 21:20 ` Grant Edwards
2008-04-02 18:59 ` Andrew Lunn [this message]
2008-04-02 19:27 ` Grant Edwards
2008-04-02 19:35 ` Andrew Lunn
2008-04-02 19:39 ` Grant Edwards
2008-04-02 20:01 ` David Roethig
2008-04-02 20:17 ` Andrew Lunn
2008-04-02 21:15 ` Grant Edwards
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