Messages in this thread | | | Date | Mon, 30 Jul 2007 08:25:54 +0900 | From | Paul Mundt <> | Subject | Re: Fwd: [PATCH] Reboot Dreamcast under software control |
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On Mon, Jul 30, 2007 at 12:05:31AM +0100, Adrian McMenamin wrote: > On Mon, 2007-07-30 at 07:50 +0900, Paul Mundt wrote: > > On Sun, Jul 29, 2007 at 07:25:21PM +0100, Adrian McMenamin wrote: > > > diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c > > > index 6334a4c..6f5e9e4 100644 > > > --- a/arch/sh/kernel/process.c > > > +++ b/arch/sh/kernel/process.c > > > @@ -97,6 +97,11 @@ void cpu_idle(void) > > > > > > void machine_restart(char * __unused) > > > { > > > + > > > +#ifdef CONFIG_SH_DREAMCAST > > > + /*reboot the Dreamcast under software control*/ > > > + writel(0x00007611, 0xA05F6890); > > > +#endif > > > /* SR.BL=1 and invoke address error to let CPU reset (manual reset) */ > > > asm volatile("ldc %0, sr\n\t" > > > "mov.l @%1, %0" : : "r" (0x10000000), "r" (0x80000001)); > > > > No, if you want to do this, at least use a function pointer and leave > > this as the default implementation. The dreamcast presumably only needs > > this magic write anyways, rather than the SR.BL trick. > > > > Well, when I tested it, it did have a "return" in after the call and it > worked - but I took that out as it looked like code bloat to me :) > > Explain what you mean by using a function pointer and I'll do that. > Look at the other implementations that are overloaded by the boards. machine_power_off, the idle loop, etc. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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