--- gforth/Attic/hppa.h 1994/02/11 16:30:46 1.1 +++ gforth/Attic/hppa.h 1995/10/26 22:48:40 1.11 @@ -1,102 +1,239 @@ /* - $Id: hppa.h,v 1.1 1994/02/11 16:30:46 anton Exp $ + $Id: hppa.h,v 1.11 1995/10/26 22:48:40 pazsan Exp $ Copyright 1992 by the ANSI figForth Development Group This is the machine-specific part for a HPPA running HP-UX */ +#if !defined(USE_TOS) && !defined(USE_NO_TOS) +#define USE_TOS +#endif + +#ifndef INDIRECT_THREADED +#ifndef DIRECT_THREADED +#define DIRECT_THREADED +#endif +#endif -/* Cell and UCell must be the same size as a pointer */ -typedef long Cell; -typedef unsigned long UCell; - -/* DCell and UDCell must be twice as large as Cell */ -typedef long long DCell; -typedef unsigned long long UDCell; - -/* define this if IEEE singles and doubles are available as C data types */ -#define IEEE_FP - -/* the IEEE types are used only for loading and storing */ -/* the IEEE double precision type */ -typedef double DFloat; -/* the IEEE single precision type */ -typedef float SFloat; +/* cache flush stuff */ +extern void cacheflush(void *, int, int); +#ifdef DEBUG +# define FLUSH_ICACHE(addr,size) \ +({ \ + fprintf(stderr,"Flushing Cache at %08x:%08x\n",(int) addr, size); \ + fflush(stderr); \ + cacheflush((void *)(addr), (int)(size), 32); \ + fprintf(stderr,"Cache flushed\n"); }) +#else +# define FLUSH_ICACHE(addr,size) \ + cacheflush((void *)(addr), (int)(size), 32) +#endif -/* define this if the least-significant byte is at the largets address */ -#define BIG_ENDIAN +#include "32bit.h" #ifdef DIRECT_THREADED - /* PFA gives the parameter field address corresponding to a cfa */ -# define PFA(cfa) (((Cell *)cfa)+2) - /* PFA1 is a special version for use just after a NEXT1 */ - /* the improvement here is that we may destroy cfa before using PFA1 */ -# define PFA1(cfa) /* PFA(cfa) */ \ - ({register volatile Cell *pfa asm("%31"); \ - ((int)pfa & (-4)); }) - /* HPPA uses register 2 for branch and link */ - - /* CODE_ADDRESS is the address of the code jumped to through the code field */ -# define CODE_ADDRESS(cfa) ((Label)((*(unsigned *)(cfa))/* <<2 */)) - /* MAKE_CF creates an appropriate code field at the cfa; ca is the code address */ - /* we use ble and a register, since 'bl' only has 21 bits displacement */ -#endif -#define MAKE_CFA(cfa,ca) ({long *_cfa = (long *)(cfa); \ - unsigned _ca = (unsigned)(ca); \ - _cfa[0] = 0xE4A02000 | ((_ca+4-symbols[0]) & 0x7FC)<<1 ; \ - _cfa[1] = *(long *)(_ca); \ - /* printf("%08x:%08x,%08x\n",_cfa,_cfa[0],_cfa[1]); */ \ - }) + /* PFA gives the parameter field address corresponding to a cfa */ +# define PFA(cfa) (((Cell *)cfa)+2) + /* PFA1 is a special version for use just after a NEXT1 */ + /* the improvement here is that we may destroy cfa before using PFA1 */ +# define PFA1(cfa) PFA(cfa) + /* HPPA uses register 2 for branch and link */ -#ifdef DIRECT_THREADED -# define MAKE_CF(cfa,ca) MAKE_CFA(cfa,ca) - /* - #define MAKE_CF(cfa,ca) ({long *_cfa = (long *)(cfa); \ - unsigned _ca = (unsigned)(ca); \ - if((_ca-(int)(_cfa+1)>=-0x40000)||(_ca-(int)(_cfa+1)<0x40000)) \ - { \ - _cfa[1] = *(long *)(_ca); \ - _ca = _ca-(int)(_cfa+1); \ - _cfa[0] = 0xEBE00000 | \ - ((int)_ca<0) | \ - (_ca & 0x00FFC)<<1 | \ - (_ca & 0x01000)>>10 | \ - (_ca & 0x3E000)<<3; \ - } \ - else \ - { \ - _cfa[0] = 0x20200000 | \ - ((int)_ca<0) | \ - (_ca & 0x00001800)<<1 | \ - (_ca & 0x0003E000)<<3 | \ - (_ca & 0x000C0000)>>4 | \ - (_ca & 0x7FF00000)>>19 \ - _cfa[1] = 0xE4202002 | (_ca & 0x7FC)<<1 ; \ - }}) - */ - /* HP wins the price for the most obfuscated binary opcode */ - - /* this is the point where the does code starts if label points to the - * jump dodoes */ - -# define DOES_CODE(label) (((Xt *)(label))+2) - - /* this is a special version of DOES_CODE for use in dodoes */ -# define DOES_CODE1(label) ({register volatile Xt *_does_code asm("%31"); \ - (Xt *)((int)_does_code & (-4)); }) - /* HPPA uses register 2 for branch and link */ + /* CODE_ADDRESS is the address of the code jumped to through the code field */ - /* this stores a call dodoes at addr */ -# define MAKE_DOESJUMP(addr) MAKE_CFA((addr),symbols[3]) + /* MAKE_CF creates an appropriate code field at the cfa; ca is the code address */ + /* we use ble and a register, since 'bl' only has 21 bits displacement */ #endif -/* OS dependences */ +#ifdef DIRECT_THREADED -#define SEEK_SET 0 -#define rint(x) floor((x)+0.5) +# ifdef DEBUG +# define DOUT(a,b,c,d) fprintf(stderr,a,b,c,d) +# else +# define DOUT(a,b,c,d) +# endif + +# define ASS17(n)(((((n) >> 13) & 0x1F) << 16)| /* first 5 bits */ \ + ((((n) >> 2) & 0x3FF) << 3)| /* second 11 bits */ \ + ((((n) >> 12) & 0x1) << 2) | /* lo sign (arg!) */ \ + (((n) < 0) << 0)) /* sign bit */ + +# define DIS17(n)(((((n) >> 16) & 0x1F) << 13)| /* first 5 bits */ \ + ((((n) >> 3) & 0x3FF) << 2)| /* second 11 bits */ \ + ((((n) >> 2) & 0x1) << 12) | /* lo sign (arg!) */ \ + (-((n) & 1) << 18)) /* sign bit */ + +# define CODE_ADDRESS(cfa)\ +((Label)({ \ + unsigned int *_cfa=(unsigned int *)(cfa); unsigned _ca; \ + if((_cfa[0] & 0xFFE0E002) == 0xE8000000) /* relative branch */ \ + { \ + _ca = _cfa[0]; \ + _ca = DIS17(_ca); \ + _ca += (int) (_cfa + 1); \ + } \ + else if((_cfa[0] & 0xFFE0E002) == 0xE0000000) /* absolute branch */ \ + { \ + _ca = _cfa[0]; \ + _ca = DIS17(_ca)-4; \ + } \ + else \ + { \ + _ca = _cfa[0]; \ + _ca = (_ca<<31) | \ + ((_ca>>1 ) & 0x00001800) | \ + ((_ca>>3 ) & 0x0003E000) | \ + ((_ca<<4 ) & 0x000C0000) | \ + ((_ca<<19) & 0x7FF00000) | \ + ((_cfa[1]>>1) & 0xFFC); \ + } \ + /* printf("code-address at %08x: %08x\n",_ca,_cfa); */ \ + _ca; \ + })) + +# define MAKE_CF(cfa,ca) \ +({ \ + long *_cfa = (long *)(cfa); \ + int _ca = (int)(ca)+4; \ + int _dp = _ca-(int)(_cfa+2); \ + \ + if(_ca < 0x40000) /* Branch absolute */ \ + { \ + _cfa[0] =((0x38 << 26) | /* major opcode */ \ + ( 0 << 21) | /* register */ \ + ( 0 << 13) | /* space register */ \ + ( 0 << 1))| /* if 1, don't execute delay slot */ \ + ASS17(_ca); \ + _cfa[1] = ((long *)(_ca))[-1]; /* or %r0,%r0,%r0 */; \ + } \ + else if(_dp < 0x40000 || _dp >= -0x40000) \ + { \ + _cfa[0] =((0x3A << 26) | /* major opcode */ \ + ( 0 << 21) | /* register */ \ + ( 0 << 13) | /* space register */ \ + ( 0 << 1))| /* if 1, don't execute delay slot */ \ + ASS17(_dp); \ + _cfa[1] = ((long *)(_ca))[-1]; /* 0x08000240 or %r0,%r0,%r0 */; \ + } \ + else \ + { \ + _ca -= 4; \ + _cfa[0] = (0x08 << 26) | \ + ((int)_ca<0) | \ + (_ca & 0x00001800)<<1 | \ + (_ca & 0x0003E000)<<3 | \ + (_ca & 0x000C0000)>>4 | \ + (_ca & 0x7FF00000)>>19; \ + _ca &= 0x3FF; \ + _cfa[1] =((0x38 << 26) | /* major opcode */ \ + ( 1 << 21) | /* register */ \ + ( 0 << 13) | /* space register */ \ + ( 1 << 1))| /* if 1, don't execute delay slot */ \ + ASS17(_ca); \ + } \ + DOUT("%08x: %08x,%08x\n",(int)_cfa,_cfa[0],_cfa[1]); \ + }) +/* HP wins the price for the most obfuscated binary opcode */ + +/* this is the point where the does code starts if label points to the + * jump dodoes */ + +# define DOES_CODE(cfa) ((Xt *)(((long *)(cfa))[1])) + +/* this is a special version of DOES_CODE for use in dodoes */ +# define DOES_CODE1(cfa) DOES_CODE(cfa) \ +/* ({register Xt * _ret asm("%r31"); _ret;}) */ + +/* HPPA uses register 2 for branch and link */ + +# define DOES_HANDLER_SIZE 8 +# define MAKE_DOES_HANDLER(cfa) ({ *(long *)(cfa)=DODOES; }) +#ifdef undefined +# define MAKE_DOES_HANDLER(cfa) \ +({ \ + long *_cfa = (long *)(cfa); \ + int _ca = (int)symbols[DODOES]; \ + int _dp = _ca-(int)(_cfa+2); \ + \ + if(_ca < 0x40000) /* Branch absolute */ \ + { \ + _cfa[0] =((0x38 << 26) | /* major opcode */ \ + ( 0 << 21) | /* register */ \ + ( 0 << 13) | /* space register */ \ + ( 0 << 1))| /* if 1, don't execute delay slot */ \ + ASS17(_ca); \ + _cfa[1] = 0x08000240 /* or %r0,%r0,%r0 */; \ + } \ + else if(_dp < 0x40000 || _dp >= -0x40000) \ + { \ + _cfa[0] =((0x3A << 26) | /* major opcode */ \ + ( 0 << 21) | /* register */ \ + ( 0 << 13) | /* space register */ \ + ( 0 << 1))| /* if 1, don't execute delay slot */ \ + ASS17(_dp); \ + _cfa[1] = 0x08000240 /* or %r0,%r0,%r0 */; \ + } \ + else \ + { \ + fprintf(stderr,"DOESHANDLER assignment failed, use ITC instead of DTC\n"); exit(1); \ + _cfa[0] = ((0x08 << 26) | \ + ((int)_ca<0) | \ + (_ca & 0x00001800)<<1 | \ + (_ca & 0x0003E000)<<3 | \ + (_ca & 0x000C0000)>>4 | \ + (_ca & 0x7FF00000)>>19); \ + _ca &= 0x3FF; \ + _cfa[1] =((0x38 << 26) | /* major opcode */ \ + ( 1 << 21) | /* register */ \ + ( 0 << 13) | /* space register */ \ + ( 1 << 1))| /* if 1, don't execute delay slot */ \ + ASS17(_ca); \ + } \ + DOUT("%08x: %08x,%08x\n",(int)_cfa,_cfa[0],_cfa[1]); \ + }) +#endif -#ifdef DIRECT_THREADED -# define CPU_DEP register Label branchto asm("%5")=symbols[0]; -# define CPU_DEP2 &&deadcode -# define CPU_DEP3 deadcode: return((Label *)branchto); +# define MAKE_DOES_CF(cfa,ca) \ +({ \ + long *_cfa = (long *)(cfa); \ + int _ca = (int)symbols[DODOES]; \ + int _dp = _ca-(int)(_cfa+2); \ + \ + if(_ca < 0x40000) /* Branch absolute */ \ + { \ + _cfa[0] =((0x38 << 26) | /* major opcode */ \ + ( 0 << 21) | /* register */ \ + ( 0 << 13) | /* space register */ \ + ( 1 << 1))| /* if 1, don't execute delay slot */ \ + ASS17(_ca); \ + _cfa[1] = (long)(ca); \ + } \ + else if(_dp < 0x40000 || _dp >= -0x40000) \ + { \ + _cfa[0] =((0x3A << 26) | /* major opcode */ \ + ( 0 << 21) | /* register */ \ + ( 0 << 13) | /* space register */ \ + ( 1 << 1))| /* if 1, don't execute delay slot */ \ + ASS17(_dp); \ + _cfa[1] = (long)(ca); \ + } \ + else \ + { \ + fprintf(stderr,"DOESCFA assignment failed, use ITC instead of DTC\n"); exit(1); \ + } \ + DOUT("%08x: %08x,%08x\n",(int)_cfa,_cfa[0],_cfa[1]); \ + }) +/* this stores a call dodoes at addr */ #endif + +#undef HAVE_LOG1P +#undef HAVE_RINT + +#ifdef FORCE_REG +#define IPREG asm("%r10") +#define SPREG asm("%r9") +#define RPREG asm("%r8") +#define LPREG asm("%r7") +#define CFAREG asm("%r6") +#define TOSREG asm("%r11") +#endif /* FORCE_REG */