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/* * HISTORY * 21-Jul-88 Avadis Tevanian, Jr. (avie) at NeXT * Allow SR_TSINGLE and SR_TFLOW status register bits to be * set by the user (remove from SR_USERCLR). * * 09-Nov-86 John Seamons (jks) at NeXT * Ported to NeXT. */ #ifndef _M68K_PSL_ #define _M68K_PSL_ /* * 68030 status register definitions */ #define SR_TSINGLE 0x8000 /* trace single instruction */ #define SR_TFLOW 0x4000 /* trace on flow change */ #define SR_SUPER 0x2000 /* super/user state */ #define SR_MASTER 0x1000 /* master/interrupt state */ #define SR_IPL 0x0700 /* interrupt priority level */ #define SR_X 0x0010 /* extend */ #define SR_N 0x0008 /* negative */ #define SR_Z 0x0004 /* zero */ #define SR_V 0x0002 /* overflow */ #define SR_C 0x0001 /* carry */ #define SR_CC 0x001f /* all of them */ /* shorthand */ #define SR_HIGH 0x2700 /* super mode, highest ipl */ #define SR_LOW 0x2000 /* super mode, lowest ipl */ #define SR_USER 0x0000 /* user mode, lowest ipl */ #define SR_USERCLR 0x3f00 /* throw away user bits */ #define srtoipl(x) (((x)&SR_IPL)>>8) /* integral ipl level */ /* used by machine independent code (shifts are used because machine independent code accesses as ints and SR is a short on an int boundary) */ #define PSL_USERSET (SR_USER << 16) #define PSL_USERCLR (SR_USERCLR << 16) #define PSL_ALLCC (SR_CC << 16) #define PSL_T (SR_TSINGLE << 16) #endif
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.