Date: Sat, 28 Feb 2009 08:05:23 GMT From: Ulf Lilleengen <lulf@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 158436 for review Message-ID: <200902280805.n1S85Nhl042654@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=158436 Change 158436 by lulf@lulf_carrot on 2009/02/28 08:04:57 - Add a ap7000 specific header with implementation-defined settings. - First try at implementing cpu_idle, setting the cpu to IDLE mode for ap7000. Affected files ... .. //depot/projects/avr32/src/sys/avr32/avr32/cpu.c#8 edit .. //depot/projects/avr32/src/sys/avr32/include/at32ap7000.h#1 add Differences ... ==== //depot/projects/avr32/src/sys/avr32/avr32/cpu.c#8 (text+ko) ==== @@ -63,6 +63,7 @@ #include <machine/reg_intc.h> #include <machine/reg_usart.h> #include <machine/at32ap700x.h> +#include <machine/at32ap7000.h> extern vm_offset_t _evba; @@ -89,7 +90,17 @@ void cpu_idle(int busy) { + uint32_t gm; + + gm = bit_offset(SYS, SR, GM); + /* Make sure interrupts are enabled before we do this. */ + if (gm == 1 || (sysreg_read(SR) & INTR_MASK) == gm) + panic("sleeping with interrupts disabled"); +#if defined(CPU_AT32AP7000) + __asm__ __volatile ("sleep %0" : : "i"(AT32AP7000_SLEEP_IDLE)); +#else avr32_impl(); +#endif } void
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