Date: Mon, 28 Apr 2003 18:12:45 -0700 (PDT) From: Juli Mallett <jmallett@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 30016 for review Message-ID: <200304290112.h3T1CjTa073232@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=30016 Change 30016 by jmallett@jmallett_dalek on 2003/04/28 18:12:09 Real clockframe. Affected files ... .. //depot/projects/mips/sys/mips/include/cpu.h#9 edit Differences ... ==== //depot/projects/mips/sys/mips/include/cpu.h#9 (text+ko) ==== @@ -31,8 +31,26 @@ #include <machine/frame.h> -#define CLKF_USERMODE(cfp) (0) -#define CLKF_PC(cfp) (0) +/* + * Arguments to hardclock and gatherstats encapsulate the previous + * machine state in an opaque clockframe. + */ +struct clockframe { + int pc; /* program counter at time of interrupt */ + int sr; /* status register at time of interrupt */ + int ppl; /* previous priority level at time of interrupt */ +}; + +#define CLKF_USERMODE(framep) ((framep)->sr & MIPS_SR_KSU_USER) +#define CLKF_BASEPRI(framep) \ + ((~(framep)->sr & (MIPS_INT_MASK | MIPS_SR_INT_IE)) == 0) + +#ifdef IPL_ICU_MASK +#define ICU_CLKF_BASEPRI(framep) ((framep)->ppl == 0) +#endif + +#define CLKF_PC(framep) ((framep)->pc) +#define CLKF_INTR(framep) (0) #define TRAPF_PC(tframe) ((tframe)->tf_regs[TF_EPC])
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