diff --git a/include/PR/R4300.h b/include/PR/R4300.h index 8bd562b..fd70d07 100644 --- a/include/PR/R4300.h +++ b/include/PR/R4300.h @@ -1,453 +1,453 @@ -/************************************************************************** - * * - * Copyright (C) 1995, Silicon Graphics, Inc. * - * * - * These coded instructions, statements, and computer programs contain * - * unpublished proprietary information of Silicon Graphics, Inc., and * - * are protected by Federal copyright law. They may not be disclosed * - * to third parties or copied or duplicated in any form, in whole or * - * in part, without the prior written consent of Silicon Graphics, Inc. * - * * - **************************************************************************/ - -/************************************************************************** - * - * $Revision: 1.13 $ - * $Date: 1997/02/11 08:15:34 $ - * $Source: /exdisk2/cvs/N64OS/Master/cvsmdev2/PR/include/R4300.h,v $ - * - **************************************************************************/ - -#ifndef __R4300_H__ -#define __R4300_H__ - -#include - -/* - * Segment base addresses and sizes - */ -#define KUBASE 0 -#define KUSIZE 0x80000000 -#define K0BASE 0x80000000 -#define K0SIZE 0x20000000 -#define K1BASE 0xA0000000 -#define K1SIZE 0x20000000 -#define K2BASE 0xC0000000 -#define K2SIZE 0x20000000 - -/* - * Exception vectors - */ -#define SIZE_EXCVEC 0x80 /* Size of an exc. vec */ -#define UT_VEC K0BASE /* utlbmiss vector */ -#define R_VEC (K1BASE+0x1fc00000) /* reset vector */ -#define XUT_VEC (K0BASE+0x80) /* extended address tlbmiss */ -#define ECC_VEC (K0BASE+0x100) /* Ecc exception vector */ -#define E_VEC (K0BASE+0x180) /* Gen. exception vector */ - -/* - * Address conversion macros - */ -#ifdef _LANGUAGE_ASSEMBLY - -#define K0_TO_K1(x) ((x)|0xA0000000) /* kseg0 to kseg1 */ -#define K1_TO_K0(x) ((x)&0x9FFFFFFF) /* kseg1 to kseg0 */ -#define K0_TO_PHYS(x) ((x)&0x1FFFFFFF) /* kseg0 to physical */ -#define K1_TO_PHYS(x) ((x)&0x1FFFFFFF) /* kseg1 to physical */ -#define KDM_TO_PHYS(x) ((x)&0x1FFFFFFF) /* direct mapped to physical */ -#define PHYS_TO_K0(x) ((x)|0x80000000) /* physical to kseg0 */ -#define PHYS_TO_K1(x) ((x)|0xA0000000) /* physical to kseg1 */ - -#else /* _LANGUAGE_C */ - -#define K0_TO_K1(x) ((u32)(x)|0xA0000000) /* kseg0 to kseg1 */ -#define K1_TO_K0(x) ((u32)(x)&0x9FFFFFFF) /* kseg1 to kseg0 */ -#define K0_TO_PHYS(x) ((u32)(x)&0x1FFFFFFF) /* kseg0 to physical */ -#define K1_TO_PHYS(x) ((u32)(x)&0x1FFFFFFF) /* kseg1 to physical */ -#define KDM_TO_PHYS(x) ((u32)(x)&0x1FFFFFFF) /* direct mapped to physical */ -#define PHYS_TO_K0(x) ((u32)(x)|0x80000000) /* physical to kseg0 */ -#define PHYS_TO_K1(x) ((u32)(x)|0xA0000000) /* physical to kseg1 */ - -#endif /* _LANGUAGE_ASSEMBLY */ - -/* - * Address predicates - */ -#define IS_KSEG0(x) ((u32)(x) >= K0BASE && (u32)(x) < K1BASE) -#define IS_KSEG1(x) ((u32)(x) >= K1BASE && (u32)(x) < K2BASE) -#define IS_KSEGDM(x) ((u32)(x) >= K0BASE && (u32)(x) < K2BASE) -#define IS_KSEG2(x) ((u32)(x) >= K2BASE && (u32)(x) < KPTE_SHDUBASE) -#define IS_KPTESEG(x) ((u32)(x) >= KPTE_SHDUBASE) -#define IS_KUSEG(x) ((u32)(x) < K0BASE) - -/* - * TLB size constants - */ - -#define NTLBENTRIES 31 /* entry 31 is reserved by rdb */ - -#define TLBHI_VPN2MASK 0xffffe000 -#define TLBHI_VPN2SHIFT 13 -#define TLBHI_PIDMASK 0xff -#define TLBHI_PIDSHIFT 0 -#define TLBHI_NPID 255 /* 255 to fit in 8 bits */ - -#define TLBLO_PFNMASK 0x3fffffc0 -#define TLBLO_PFNSHIFT 6 -#define TLBLO_CACHMASK 0x38 /* cache coherency algorithm */ -#define TLBLO_CACHSHIFT 3 -#define TLBLO_UNCACHED 0x10 /* not cached */ -#define TLBLO_NONCOHRNT 0x18 /* Cacheable non-coherent */ -#define TLBLO_EXLWR 0x28 /* Exclusive write */ -#define TLBLO_D 0x4 /* writeable */ -#define TLBLO_V 0x2 /* valid bit */ -#define TLBLO_G 0x1 /* global access bit */ - -#define TLBINX_PROBE 0x80000000 -#define TLBINX_INXMASK 0x3f -#define TLBINX_INXSHIFT 0 - -#define TLBRAND_RANDMASK 0x3f -#define TLBRAND_RANDSHIFT 0 - -#define TLBWIRED_WIREDMASK 0x3f - -#define TLBCTXT_BASEMASK 0xff800000 -#define TLBCTXT_BASESHIFT 23 -#define TLBCTXT_BASEBITS 9 - -#define TLBCTXT_VPNMASK 0x7ffff0 -#define TLBCTXT_VPNSHIFT 4 - -#define TLBPGMASK_4K 0x0 -#define TLBPGMASK_16K 0x6000 -#define TLBPGMASK_64K 0x1e000 - -/* - * Status register - */ -#define SR_CUMASK 0xf0000000 /* coproc usable bits */ - -#define SR_CU3 0x80000000 /* Coprocessor 3 usable */ -#define SR_CU2 0x40000000 /* Coprocessor 2 usable */ -#define SR_CU1 0x20000000 /* Coprocessor 1 usable */ -#define SR_CU0 0x10000000 /* Coprocessor 0 usable */ -#define SR_RP 0x08000000 /* Reduced power (quarter speed) */ -#define SR_FR 0x04000000 /* MIPS III FP register mode */ -#define SR_RE 0x02000000 /* Reverse endian */ -#define SR_ITS 0x01000000 /* Instruction trace support */ -#define SR_BEV 0x00400000 /* Use boot exception vectors */ -#define SR_TS 0x00200000 /* TLB shutdown */ -#define SR_SR 0x00100000 /* Soft reset occured */ -#define SR_CH 0x00040000 /* Cache hit for last 'cache' op */ -#define SR_CE 0x00020000 /* Create ECC */ -#define SR_DE 0x00010000 /* ECC of parity does not cause error */ - -/* - * Interrupt enable bits - * (NOTE: bits set to 1 enable the corresponding level interrupt) - */ -#define SR_IMASK 0x0000ff00 /* Interrupt mask */ -#define SR_IMASK8 0x00000000 /* mask level 8 */ -#define SR_IMASK7 0x00008000 /* mask level 7 */ -#define SR_IMASK6 0x0000c000 /* mask level 6 */ -#define SR_IMASK5 0x0000e000 /* mask level 5 */ -#define SR_IMASK4 0x0000f000 /* mask level 4 */ -#define SR_IMASK3 0x0000f800 /* mask level 3 */ -#define SR_IMASK2 0x0000fc00 /* mask level 2 */ -#define SR_IMASK1 0x0000fe00 /* mask level 1 */ -#define SR_IMASK0 0x0000ff00 /* mask level 0 */ - -#define SR_IBIT8 0x00008000 /* bit level 8 */ -#define SR_IBIT7 0x00004000 /* bit level 7 */ -#define SR_IBIT6 0x00002000 /* bit level 6 */ -#define SR_IBIT5 0x00001000 /* bit level 5 */ -#define SR_IBIT4 0x00000800 /* bit level 4 */ -#define SR_IBIT3 0x00000400 /* bit level 3 */ -#define SR_IBIT2 0x00000200 /* bit level 2 */ -#define SR_IBIT1 0x00000100 /* bit level 1 */ - -#define SR_IMASKSHIFT 8 - -#define SR_KX 0x00000080 /* extended-addr TLB vec in kernel */ -#define SR_SX 0x00000040 /* xtended-addr TLB vec supervisor */ -#define SR_UX 0x00000020 /* xtended-addr TLB vec in user mode */ -#define SR_KSU_MASK 0x00000018 /* mode mask */ -#define SR_KSU_USR 0x00000010 /* user mode */ -#define SR_KSU_SUP 0x00000008 /* supervisor mode */ -#define SR_KSU_KER 0x00000000 /* kernel mode */ -#define SR_ERL 0x00000004 /* Error level, 1=>cache error */ -#define SR_EXL 0x00000002 /* Exception level, 1=>exception */ -#define SR_IE 0x00000001 /* interrupt enable, 1=>enable */ - -/* - * Cause Register - */ -#define CAUSE_BD 0x80000000 /* Branch delay slot */ -#define CAUSE_CEMASK 0x30000000 /* coprocessor error */ -#define CAUSE_CESHIFT 28 - -/* Interrupt pending bits */ -#define CAUSE_IP8 0x00008000 /* External level 8 pending - COMPARE */ -#define CAUSE_IP7 0x00004000 /* External level 7 pending - INT4 */ -#define CAUSE_IP6 0x00002000 /* External level 6 pending - INT3 */ -#define CAUSE_IP5 0x00001000 /* External level 5 pending - INT2 */ -#define CAUSE_IP4 0x00000800 /* External level 4 pending - INT1 */ -#define CAUSE_IP3 0x00000400 /* External level 3 pending - INT0 */ -#define CAUSE_SW2 0x00000200 /* Software level 2 pending */ -#define CAUSE_SW1 0x00000100 /* Software level 1 pending */ - -#define CAUSE_IPMASK 0x0000FF00 /* Pending interrupt mask */ -#define CAUSE_IPSHIFT 8 - -#define CAUSE_EXCMASK 0x0000007C /* Cause code bits */ - -#define CAUSE_EXCSHIFT 2 - -/* Cause register exception codes */ - -#define EXC_CODE(x) ((x)<<2) - -/* Hardware exception codes */ -#define EXC_INT EXC_CODE(0) /* interrupt */ -#define EXC_MOD EXC_CODE(1) /* TLB mod */ -#define EXC_RMISS EXC_CODE(2) /* Read TLB Miss */ -#define EXC_WMISS EXC_CODE(3) /* Write TLB Miss */ -#define EXC_RADE EXC_CODE(4) /* Read Address Error */ -#define EXC_WADE EXC_CODE(5) /* Write Address Error */ -#define EXC_IBE EXC_CODE(6) /* Instruction Bus Error */ -#define EXC_DBE EXC_CODE(7) /* Data Bus Error */ -#define EXC_SYSCALL EXC_CODE(8) /* SYSCALL */ -#define EXC_BREAK EXC_CODE(9) /* BREAKpoint */ -#define EXC_II EXC_CODE(10) /* Illegal Instruction */ -#define EXC_CPU EXC_CODE(11) /* CoProcessor Unusable */ -#define EXC_OV EXC_CODE(12) /* OVerflow */ -#define EXC_TRAP EXC_CODE(13) /* Trap exception */ -#define EXC_VCEI EXC_CODE(14) /* Virt. Coherency on Inst. fetch */ -#define EXC_FPE EXC_CODE(15) /* Floating Point Exception */ -#define EXC_WATCH EXC_CODE(23) /* Watchpoint reference */ -#define EXC_VCED EXC_CODE(31) /* Virt. Coherency on data read */ - -/* C0_PRID Defines */ -#define C0_IMPMASK 0xff00 -#define C0_IMPSHIFT 8 -#define C0_REVMASK 0xff -#define C0_MAJREVMASK 0xf0 -#define C0_MAJREVSHIFT 4 -#define C0_MINREVMASK 0xf - -/* - * Coprocessor 0 operations - */ -#define C0_READI 0x1 /* read ITLB entry addressed by C0_INDEX */ -#define C0_WRITEI 0x2 /* write ITLB entry addressed by C0_INDEX */ -#define C0_WRITER 0x6 /* write ITLB entry addressed by C0_RAND */ -#define C0_PROBE 0x8 /* probe for ITLB entry addressed by TLBHI */ -#define C0_RFE 0x10 /* restore for exception */ - -/* - * 'cache' instruction definitions - */ - -/* Target cache */ -#define CACH_PI 0x0 /* specifies primary inst. cache */ -#define CACH_PD 0x1 /* primary data cache */ -#define CACH_SI 0x2 /* secondary instruction cache */ -#define CACH_SD 0x3 /* secondary data cache */ - -/* Cache operations */ -#define C_IINV 0x0 /* index invalidate (inst, 2nd inst) */ -#define C_IWBINV 0x0 /* index writeback inval (d, sd) */ -#define C_ILT 0x4 /* index load tag (all) */ -#define C_IST 0x8 /* index store tag (all) */ -#define C_CDX 0xc /* create dirty exclusive (d, sd) */ -#define C_HINV 0x10 /* hit invalidate (all) */ -#define C_HWBINV 0x14 /* hit writeback inv. (d, sd) */ -#define C_FILL 0x14 /* fill (i) */ -#define C_HWB 0x18 /* hit writeback (i, d, sd) */ -#define C_HSV 0x1c /* hit set virt. (si, sd) */ - -/* - * Cache size definitions - */ -#define ICACHE_SIZE 0x4000 /* 16K */ -#define ICACHE_LINESIZE 32 /* 8 words */ -#define ICACHE_LINEMASK (ICACHE_LINESIZE-1) - -#define DCACHE_SIZE 0x2000 /* 8K */ -#define DCACHE_LINESIZE 16 /* 4 words */ -#define DCACHE_LINEMASK (DCACHE_LINESIZE-1) - -/* - * C0_CONFIG register definitions - */ -#define CONFIG_CM 0x80000000 /* 1 == Master-Checker enabled */ -#define CONFIG_EC 0x70000000 /* System Clock ratio */ -#define CONFIG_EC_1_1 0x6 /* System Clock ratio 1 :1 */ -#define CONFIG_EC_3_2 0x7 /* System Clock ratio 1.5 :1 */ -#define CONFIG_EC_2_1 0x0 /* System Clock ratio 2 :1 */ -#define CONFIG_EC_3_1 0x1 /* System Clock ratio 3 :1 */ -#define CONFIG_EP 0x0f000000 /* Transmit Data Pattern */ -#define CONFIG_SB 0x00c00000 /* Secondary cache block size */ - -#define CONFIG_SS 0x00200000 /* Split scache: 0 == I&D combined */ -#define CONFIG_SW 0x00100000 /* scache port: 0==128, 1==64 */ -#define CONFIG_EW 0x000c0000 /* System Port width: 0==64, 1==32 */ -#define CONFIG_SC 0x00020000 /* 0 -> 2nd cache present */ -#define CONFIG_SM 0x00010000 /* 0 -> Dirty Shared Coherency enabled*/ -#define CONFIG_BE 0x00008000 /* Endian-ness: 1 --> BE */ -#define CONFIG_EM 0x00004000 /* 1 -> ECC mode, 0 -> parity */ -#define CONFIG_EB 0x00002000 /* Block order:1->sequent,0->subblock */ - -#define CONFIG_IC 0x00000e00 /* Primary Icache size */ -#define CONFIG_DC 0x000001c0 /* Primary Dcache size */ -#define CONFIG_IB 0x00000020 /* Icache block size */ -#define CONFIG_DB 0x00000010 /* Dcache block size */ -#define CONFIG_CU 0x00000008 /* Update on Store-conditional */ -#define CONFIG_K0 0x00000007 /* K0SEG Coherency algorithm */ - -#define CONFIG_UNCACHED 0x00000002 /* K0 is uncached */ -#define CONFIG_NONCOHRNT 0x00000003 -#define CONFIG_COHRNT_EXLWR 0x00000005 -#define CONFIG_SB_SHFT 22 /* shift SB to bit position 0 */ -#define CONFIG_IC_SHFT 9 /* shift IC to bit position 0 */ -#define CONFIG_DC_SHFT 6 /* shift DC to bit position 0 */ -#define CONFIG_BE_SHFT 15 /* shift BE to bit position 0 */ - -/* - * C0_TAGLO definitions for setting/getting cache states and physaddr bits - */ -#define SADDRMASK 0xFFFFE000 /* 31..13 -> scache paddr bits 35..17 */ -#define SVINDEXMASK 0x00000380 /* 9..7: prim virt index bits 14..12 */ -#define SSTATEMASK 0x00001c00 /* bits 12..10 hold scache line state */ -#define SINVALID 0x00000000 /* invalid --> 000 == state 0 */ -#define SCLEANEXCL 0x00001000 /* clean exclusive --> 100 == state 4 */ -#define SDIRTYEXCL 0x00001400 /* dirty exclusive --> 101 == state 5 */ -#define SECC_MASK 0x0000007f /* low 7 bits are ecc for the tag */ -#define SADDR_SHIFT 4 /* shift STagLo (31..13) to 35..17 */ - -#define PADDRMASK 0xFFFFFF00 /* PTagLo31..8->prim paddr bits35..12 */ -#define PADDR_SHIFT 4 /* roll bits 35..12 down to 31..8 */ -#define PSTATEMASK 0x00C0 /* bits 7..6 hold primary line state */ -#define PINVALID 0x0000 /* invalid --> 000 == state 0 */ -#define PCLEANEXCL 0x0080 /* clean exclusive --> 10 == state 2 */ -#define PDIRTYEXCL 0x00C0 /* dirty exclusive --> 11 == state 3 */ -#define PPARITY_MASK 0x0001 /* low bit is parity bit (even). */ - -/* - * C0_CACHE_ERR definitions. - */ -#define CACHERR_ER 0x80000000 /* 0: inst ref, 1: data ref */ -#define CACHERR_EC 0x40000000 /* 0: primary, 1: secondary */ -#define CACHERR_ED 0x20000000 /* 1: data error */ -#define CACHERR_ET 0x10000000 /* 1: tag error */ -#define CACHERR_ES 0x08000000 /* 1: external ref, e.g. snoop*/ -#define CACHERR_EE 0x04000000 /* error on SysAD bus */ -#define CACHERR_EB 0x02000000 /* complicated, see spec. */ -#define CACHERR_EI 0x01000000 /* complicated, see spec. */ -#define CACHERR_SIDX_MASK 0x003ffff8 /* secondary cache index */ -#define CACHERR_PIDX_MASK 0x00000007 /* primary cache index */ -#define CACHERR_PIDX_SHIFT 12 /* bits 2..0 are paddr14..12 */ - -/* R4000 family supports hardware watchpoints: - * C0_WATCHLO: - * bits 31..3 are bits 31..3 of physaddr to watch - * bit 2: reserved; must be written as 0. - * bit 1: when set causes a watchpoint trap on load accesses to paddr. - * bit 0: when set traps on stores to paddr; - * C0_WATCHHI - * bits 31..4 are reserved and must be written as zeros. - * bits 3..0 are bits 35..32 of the physaddr to watch - */ -#define WATCHLO_WTRAP 0x00000001 -#define WATCHLO_RTRAP 0x00000002 -#define WATCHLO_ADDRMASK 0xfffffff8 -#define WATCHLO_VALIDMASK 0xfffffffb -#define WATCHHI_VALIDMASK 0x0000000f - -/* - * Coprocessor 0 registers - */ -#ifdef _LANGUAGE_ASSEMBLY -#define C0_INX $0 -#define C0_RAND $1 -#define C0_ENTRYLO0 $2 -#define C0_ENTRYLO1 $3 -#define C0_CONTEXT $4 -#define C0_PAGEMASK $5 /* page mask */ -#define C0_WIRED $6 /* # wired entries in tlb */ -#define C0_BADVADDR $8 -#define C0_COUNT $9 /* free-running counter */ -#define C0_ENTRYHI $10 -#define C0_SR $12 -#define C0_CAUSE $13 -#define C0_EPC $14 -#define C0_PRID $15 /* revision identifier */ -#define C0_COMPARE $11 /* counter comparison reg. */ -#define C0_CONFIG $16 /* hardware configuration */ -#define C0_LLADDR $17 /* load linked address */ -#define C0_WATCHLO $18 /* watchpoint */ -#define C0_WATCHHI $19 /* watchpoint */ -#define C0_ECC $26 /* S-cache ECC and primary parity */ -#define C0_CACHE_ERR $27 /* cache error status */ -#define C0_TAGLO $28 /* cache operations */ -#define C0_TAGHI $29 /* cache operations */ -#define C0_ERROR_EPC $30 /* ECC error prg. counter */ - -# else /* ! _LANGUAGE_ASSEMBLY */ - -#define C0_INX 0 -#define C0_RAND 1 -#define C0_ENTRYLO0 2 -#define C0_ENTRYLO1 3 -#define C0_CONTEXT 4 -#define C0_PAGEMASK 5 /* page mask */ -#define C0_WIRED 6 /* # wired entries in tlb */ -#define C0_BADVADDR 8 -#define C0_COUNT 9 /* free-running counter */ -#define C0_ENTRYHI 10 -#define C0_SR 12 -#define C0_CAUSE 13 -#define C0_EPC 14 -#define C0_PRID 15 /* revision identifier */ -#define C0_COMPARE 11 /* counter comparison reg. */ -#define C0_CONFIG 16 /* hardware configuration */ -#define C0_LLADDR 17 /* load linked address */ -#define C0_WATCHLO 18 /* watchpoint */ -#define C0_WATCHHI 19 /* watchpoint */ -#define C0_ECC 26 /* S-cache ECC and primary parity */ -#define C0_CACHE_ERR 27 /* cache error status */ -#define C0_TAGLO 28 /* cache operations */ -#define C0_TAGHI 29 /* cache operations */ -#define C0_ERROR_EPC 30 /* ECC error prg. counter */ - -#endif /* _LANGUAGE_ASSEMBLY */ - -/* - * floating-point status register - */ -#define FPCSR_FS 0x01000000 /* flush denorm to zero */ -#define FPCSR_C 0x00800000 /* condition bit */ -#define FPCSR_CE 0x00020000 /* cause: unimplemented operation */ -#define FPCSR_CV 0x00010000 /* cause: invalid operation */ -#define FPCSR_CZ 0x00008000 /* cause: division by zero */ -#define FPCSR_CO 0x00004000 /* cause: overflow */ -#define FPCSR_CU 0x00002000 /* cause: underflow */ -#define FPCSR_CI 0x00001000 /* cause: inexact operation */ -#define FPCSR_EV 0x00000800 /* enable: invalid operation */ -#define FPCSR_EZ 0x00000400 /* enable: division by zero */ -#define FPCSR_EO 0x00000200 /* enable: overflow */ -#define FPCSR_EU 0x00000100 /* enable: underflow */ -#define FPCSR_EI 0x00000080 /* enable: inexact operation */ -#define FPCSR_FV 0x00000040 /* flag: invalid operation */ -#define FPCSR_FZ 0x00000020 /* flag: division by zero */ -#define FPCSR_FO 0x00000010 /* flag: overflow */ -#define FPCSR_FU 0x00000008 /* flag: underflow */ -#define FPCSR_FI 0x00000004 /* flag: inexact operation */ -#define FPCSR_RM_MASK 0x00000003 /* rounding mode mask */ -#define FPCSR_RM_RN 0x00000000 /* round to nearest */ -#define FPCSR_RM_RZ 0x00000001 /* round to zero */ -#define FPCSR_RM_RP 0x00000002 /* round to positive infinity */ -#define FPCSR_RM_RM 0x00000003 /* round to negative infinity */ - -#endif /* __R4300_H */ +/************************************************************************** + * * + * Copyright (C) 1995, Silicon Graphics, Inc. * + * * + * These coded instructions, statements, and computer programs contain * + * unpublished proprietary information of Silicon Graphics, Inc., and * + * are protected by Federal copyright law. They may not be disclosed * + * to third parties or copied or duplicated in any form, in whole or * + * in part, without the prior written consent of Silicon Graphics, Inc. * + * * + **************************************************************************/ + +/************************************************************************** + * + * $Revision: 1.13 $ + * $Date: 1997/02/11 08:15:34 $ + * $Source: /exdisk2/cvs/N64OS/Master/cvsmdev2/PR/include/R4300.h,v $ + * + **************************************************************************/ + +#ifndef __R4300_H__ +#define __R4300_H__ + +#include + +/* + * Segment base addresses and sizes + */ +#define KUBASE 0 +#define KUSIZE 0x80000000 +#define K0BASE 0x80000000 +#define K0SIZE 0x20000000 +#define K1BASE 0xA0000000 +#define K1SIZE 0x20000000 +#define K2BASE 0xC0000000 +#define K2SIZE 0x20000000 + +/* + * Exception vectors + */ +#define SIZE_EXCVEC 0x80 /* Size of an exc. vec */ +#define UT_VEC K0BASE /* utlbmiss vector */ +#define R_VEC (K1BASE+0x1fc00000) /* reset vector */ +#define XUT_VEC (K0BASE+0x80) /* extended address tlbmiss */ +#define ECC_VEC (K0BASE+0x100) /* Ecc exception vector */ +#define E_VEC (K0BASE+0x180) /* Gen. exception vector */ + +/* + * Address conversion macros + */ +#ifdef _LANGUAGE_ASSEMBLY + +#define K0_TO_K1(x) ((x)|0xA0000000) /* kseg0 to kseg1 */ +#define K1_TO_K0(x) ((x)&0x9FFFFFFF) /* kseg1 to kseg0 */ +#define K0_TO_PHYS(x) ((x)&0x1FFFFFFF) /* kseg0 to physical */ +#define K1_TO_PHYS(x) ((x)&0x1FFFFFFF) /* kseg1 to physical */ +#define KDM_TO_PHYS(x) ((x)&0x1FFFFFFF) /* direct mapped to physical */ +#define PHYS_TO_K0(x) ((x)|0x80000000) /* physical to kseg0 */ +#define PHYS_TO_K1(x) ((x)|0xA0000000) /* physical to kseg1 */ + +#else /* _LANGUAGE_C */ + +#define K0_TO_K1(x) ((u32)(x)|0xA0000000) /* kseg0 to kseg1 */ +#define K1_TO_K0(x) ((u32)(x)&0x9FFFFFFF) /* kseg1 to kseg0 */ +#define K0_TO_PHYS(x) ((u32)(x)&0x1FFFFFFF) /* kseg0 to physical */ +#define K1_TO_PHYS(x) ((u32)(x)&0x1FFFFFFF) /* kseg1 to physical */ +#define KDM_TO_PHYS(x) ((u32)(x)&0x1FFFFFFF) /* direct mapped to physical */ +#define PHYS_TO_K0(x) ((u32)(x)|0x80000000) /* physical to kseg0 */ +#define PHYS_TO_K1(x) ((u32)(x)|0xA0000000) /* physical to kseg1 */ + +#endif /* _LANGUAGE_ASSEMBLY */ + +/* + * Address predicates + */ +#define IS_KSEG0(x) ((u32)(x) >= K0BASE && (u32)(x) < K1BASE) +#define IS_KSEG1(x) ((u32)(x) >= K1BASE && (u32)(x) < K2BASE) +#define IS_KSEGDM(x) ((u32)(x) >= K0BASE && (u32)(x) < K2BASE) +#define IS_KSEG2(x) ((u32)(x) >= K2BASE && (u32)(x) < KPTE_SHDUBASE) +#define IS_KPTESEG(x) ((u32)(x) >= KPTE_SHDUBASE) +#define IS_KUSEG(x) ((u32)(x) < K0BASE) + +/* + * TLB size constants + */ + +#define NTLBENTRIES 31 /* entry 31 is reserved by rdb */ + +#define TLBHI_VPN2MASK 0xffffe000 +#define TLBHI_VPN2SHIFT 13 +#define TLBHI_PIDMASK 0xff +#define TLBHI_PIDSHIFT 0 +#define TLBHI_NPID 255 /* 255 to fit in 8 bits */ + +#define TLBLO_PFNMASK 0x3fffffc0 +#define TLBLO_PFNSHIFT 6 +#define TLBLO_CACHMASK 0x38 /* cache coherency algorithm */ +#define TLBLO_CACHSHIFT 3 +#define TLBLO_UNCACHED 0x10 /* not cached */ +#define TLBLO_NONCOHRNT 0x18 /* Cacheable non-coherent */ +#define TLBLO_EXLWR 0x28 /* Exclusive write */ +#define TLBLO_D 0x4 /* writeable */ +#define TLBLO_V 0x2 /* valid bit */ +#define TLBLO_G 0x1 /* global access bit */ + +#define TLBINX_PROBE 0x80000000 +#define TLBINX_INXMASK 0x3f +#define TLBINX_INXSHIFT 0 + +#define TLBRAND_RANDMASK 0x3f +#define TLBRAND_RANDSHIFT 0 + +#define TLBWIRED_WIREDMASK 0x3f + +#define TLBCTXT_BASEMASK 0xff800000 +#define TLBCTXT_BASESHIFT 23 +#define TLBCTXT_BASEBITS 9 + +#define TLBCTXT_VPNMASK 0x7ffff0 +#define TLBCTXT_VPNSHIFT 4 + +#define TLBPGMASK_4K 0x0 +#define TLBPGMASK_16K 0x6000 +#define TLBPGMASK_64K 0x1e000 + +/* + * Status register + */ +#define SR_CUMASK 0xf0000000 /* coproc usable bits */ + +#define SR_CU3 0x80000000 /* Coprocessor 3 usable */ +#define SR_CU2 0x40000000 /* Coprocessor 2 usable */ +#define SR_CU1 0x20000000 /* Coprocessor 1 usable */ +#define SR_CU0 0x10000000 /* Coprocessor 0 usable */ +#define SR_RP 0x08000000 /* Reduced power (quarter speed) */ +#define SR_FR 0x04000000 /* MIPS III FP register mode */ +#define SR_RE 0x02000000 /* Reverse endian */ +#define SR_ITS 0x01000000 /* Instruction trace support */ +#define SR_BEV 0x00400000 /* Use boot exception vectors */ +#define SR_TS 0x00200000 /* TLB shutdown */ +#define SR_SR 0x00100000 /* Soft reset occured */ +#define SR_CH 0x00040000 /* Cache hit for last 'cache' op */ +#define SR_CE 0x00020000 /* Create ECC */ +#define SR_DE 0x00010000 /* ECC of parity does not cause error */ + +/* + * Interrupt enable bits + * (NOTE: bits set to 1 enable the corresponding level interrupt) + */ +#define SR_IMASK 0x0000ff00 /* Interrupt mask */ +#define SR_IMASK8 0x00000000 /* mask level 8 */ +#define SR_IMASK7 0x00008000 /* mask level 7 */ +#define SR_IMASK6 0x0000c000 /* mask level 6 */ +#define SR_IMASK5 0x0000e000 /* mask level 5 */ +#define SR_IMASK4 0x0000f000 /* mask level 4 */ +#define SR_IMASK3 0x0000f800 /* mask level 3 */ +#define SR_IMASK2 0x0000fc00 /* mask level 2 */ +#define SR_IMASK1 0x0000fe00 /* mask level 1 */ +#define SR_IMASK0 0x0000ff00 /* mask level 0 */ + +#define SR_IBIT8 0x00008000 /* bit level 8 */ +#define SR_IBIT7 0x00004000 /* bit level 7 */ +#define SR_IBIT6 0x00002000 /* bit level 6 */ +#define SR_IBIT5 0x00001000 /* bit level 5 */ +#define SR_IBIT4 0x00000800 /* bit level 4 */ +#define SR_IBIT3 0x00000400 /* bit level 3 */ +#define SR_IBIT2 0x00000200 /* bit level 2 */ +#define SR_IBIT1 0x00000100 /* bit level 1 */ + +#define SR_IMASKSHIFT 8 + +#define SR_KX 0x00000080 /* extended-addr TLB vec in kernel */ +#define SR_SX 0x00000040 /* xtended-addr TLB vec supervisor */ +#define SR_UX 0x00000020 /* xtended-addr TLB vec in user mode */ +#define SR_KSU_MASK 0x00000018 /* mode mask */ +#define SR_KSU_USR 0x00000010 /* user mode */ +#define SR_KSU_SUP 0x00000008 /* supervisor mode */ +#define SR_KSU_KER 0x00000000 /* kernel mode */ +#define SR_ERL 0x00000004 /* Error level, 1=>cache error */ +#define SR_EXL 0x00000002 /* Exception level, 1=>exception */ +#define SR_IE 0x00000001 /* interrupt enable, 1=>enable */ + +/* + * Cause Register + */ +#define CAUSE_BD 0x80000000 /* Branch delay slot */ +#define CAUSE_CEMASK 0x30000000 /* coprocessor error */ +#define CAUSE_CESHIFT 28 + +/* Interrupt pending bits */ +#define CAUSE_IP8 0x00008000 /* External level 8 pending - COMPARE */ +#define CAUSE_IP7 0x00004000 /* External level 7 pending - INT4 */ +#define CAUSE_IP6 0x00002000 /* External level 6 pending - INT3 */ +#define CAUSE_IP5 0x00001000 /* External level 5 pending - INT2 */ +#define CAUSE_IP4 0x00000800 /* External level 4 pending - INT1 */ +#define CAUSE_IP3 0x00000400 /* External level 3 pending - INT0 */ +#define CAUSE_SW2 0x00000200 /* Software level 2 pending */ +#define CAUSE_SW1 0x00000100 /* Software level 1 pending */ + +#define CAUSE_IPMASK 0x0000FF00 /* Pending interrupt mask */ +#define CAUSE_IPSHIFT 8 + +#define CAUSE_EXCMASK 0x0000007C /* Cause code bits */ + +#define CAUSE_EXCSHIFT 2 + +/* Cause register exception codes */ + +#define EXC_CODE(x) ((x)<<2) + +/* Hardware exception codes */ +#define EXC_INT EXC_CODE(0) /* interrupt */ +#define EXC_MOD EXC_CODE(1) /* TLB mod */ +#define EXC_RMISS EXC_CODE(2) /* Read TLB Miss */ +#define EXC_WMISS EXC_CODE(3) /* Write TLB Miss */ +#define EXC_RADE EXC_CODE(4) /* Read Address Error */ +#define EXC_WADE EXC_CODE(5) /* Write Address Error */ +#define EXC_IBE EXC_CODE(6) /* Instruction Bus Error */ +#define EXC_DBE EXC_CODE(7) /* Data Bus Error */ +#define EXC_SYSCALL EXC_CODE(8) /* SYSCALL */ +#define EXC_BREAK EXC_CODE(9) /* BREAKpoint */ +#define EXC_II EXC_CODE(10) /* Illegal Instruction */ +#define EXC_CPU EXC_CODE(11) /* CoProcessor Unusable */ +#define EXC_OV EXC_CODE(12) /* OVerflow */ +#define EXC_TRAP EXC_CODE(13) /* Trap exception */ +#define EXC_VCEI EXC_CODE(14) /* Virt. Coherency on Inst. fetch */ +#define EXC_FPE EXC_CODE(15) /* Floating Point Exception */ +#define EXC_WATCH EXC_CODE(23) /* Watchpoint reference */ +#define EXC_VCED EXC_CODE(31) /* Virt. Coherency on data read */ + +/* C0_PRID Defines */ +#define C0_IMPMASK 0xff00 +#define C0_IMPSHIFT 8 +#define C0_REVMASK 0xff +#define C0_MAJREVMASK 0xf0 +#define C0_MAJREVSHIFT 4 +#define C0_MINREVMASK 0xf + +/* + * Coprocessor 0 operations + */ +#define C0_READI 0x1 /* read ITLB entry addressed by C0_INDEX */ +#define C0_WRITEI 0x2 /* write ITLB entry addressed by C0_INDEX */ +#define C0_WRITER 0x6 /* write ITLB entry addressed by C0_RAND */ +#define C0_PROBE 0x8 /* probe for ITLB entry addressed by TLBHI */ +#define C0_RFE 0x10 /* restore for exception */ + +/* + * 'cache' instruction definitions + */ + +/* Target cache */ +#define CACH_PI 0x0 /* specifies primary inst. cache */ +#define CACH_PD 0x1 /* primary data cache */ +#define CACH_SI 0x2 /* secondary instruction cache */ +#define CACH_SD 0x3 /* secondary data cache */ + +/* Cache operations */ +#define C_IINV 0x0 /* index invalidate (inst, 2nd inst) */ +#define C_IWBINV 0x0 /* index writeback inval (d, sd) */ +#define C_ILT 0x4 /* index load tag (all) */ +#define C_IST 0x8 /* index store tag (all) */ +#define C_CDX 0xc /* create dirty exclusive (d, sd) */ +#define C_HINV 0x10 /* hit invalidate (all) */ +#define C_HWBINV 0x14 /* hit writeback inv. (d, sd) */ +#define C_FILL 0x14 /* fill (i) */ +#define C_HWB 0x18 /* hit writeback (i, d, sd) */ +#define C_HSV 0x1c /* hit set virt. (si, sd) */ + +/* + * Cache size definitions + */ +#define ICACHE_SIZE 0x4000 /* 16K */ +#define ICACHE_LINESIZE 32 /* 8 words */ +#define ICACHE_LINEMASK (ICACHE_LINESIZE-1) + +#define DCACHE_SIZE 0x2000 /* 8K */ +#define DCACHE_LINESIZE 16 /* 4 words */ +#define DCACHE_LINEMASK (DCACHE_LINESIZE-1) + +/* + * C0_CONFIG register definitions + */ +#define CONFIG_CM 0x80000000 /* 1 == Master-Checker enabled */ +#define CONFIG_EC 0x70000000 /* System Clock ratio */ +#define CONFIG_EC_1_1 0x6 /* System Clock ratio 1 :1 */ +#define CONFIG_EC_3_2 0x7 /* System Clock ratio 1.5 :1 */ +#define CONFIG_EC_2_1 0x0 /* System Clock ratio 2 :1 */ +#define CONFIG_EC_3_1 0x1 /* System Clock ratio 3 :1 */ +#define CONFIG_EP 0x0f000000 /* Transmit Data Pattern */ +#define CONFIG_SB 0x00c00000 /* Secondary cache block size */ + +#define CONFIG_SS 0x00200000 /* Split scache: 0 == I&D combined */ +#define CONFIG_SW 0x00100000 /* scache port: 0==128, 1==64 */ +#define CONFIG_EW 0x000c0000 /* System Port width: 0==64, 1==32 */ +#define CONFIG_SC 0x00020000 /* 0 -> 2nd cache present */ +#define CONFIG_SM 0x00010000 /* 0 -> Dirty Shared Coherency enabled*/ +#define CONFIG_BE 0x00008000 /* Endian-ness: 1 --> BE */ +#define CONFIG_EM 0x00004000 /* 1 -> ECC mode, 0 -> parity */ +#define CONFIG_EB 0x00002000 /* Block order:1->sequent,0->subblock */ + +#define CONFIG_IC 0x00000e00 /* Primary Icache size */ +#define CONFIG_DC 0x000001c0 /* Primary Dcache size */ +#define CONFIG_IB 0x00000020 /* Icache block size */ +#define CONFIG_DB 0x00000010 /* Dcache block size */ +#define CONFIG_CU 0x00000008 /* Update on Store-conditional */ +#define CONFIG_K0 0x00000007 /* K0SEG Coherency algorithm */ + +#define CONFIG_UNCACHED 0x00000002 /* K0 is uncached */ +#define CONFIG_NONCOHRNT 0x00000003 +#define CONFIG_COHRNT_EXLWR 0x00000005 +#define CONFIG_SB_SHFT 22 /* shift SB to bit position 0 */ +#define CONFIG_IC_SHFT 9 /* shift IC to bit position 0 */ +#define CONFIG_DC_SHFT 6 /* shift DC to bit position 0 */ +#define CONFIG_BE_SHFT 15 /* shift BE to bit position 0 */ + +/* + * C0_TAGLO definitions for setting/getting cache states and physaddr bits + */ +#define SADDRMASK 0xFFFFE000 /* 31..13 -> scache paddr bits 35..17 */ +#define SVINDEXMASK 0x00000380 /* 9..7: prim virt index bits 14..12 */ +#define SSTATEMASK 0x00001c00 /* bits 12..10 hold scache line state */ +#define SINVALID 0x00000000 /* invalid --> 000 == state 0 */ +#define SCLEANEXCL 0x00001000 /* clean exclusive --> 100 == state 4 */ +#define SDIRTYEXCL 0x00001400 /* dirty exclusive --> 101 == state 5 */ +#define SECC_MASK 0x0000007f /* low 7 bits are ecc for the tag */ +#define SADDR_SHIFT 4 /* shift STagLo (31..13) to 35..17 */ + +#define PADDRMASK 0xFFFFFF00 /* PTagLo31..8->prim paddr bits35..12 */ +#define PADDR_SHIFT 4 /* roll bits 35..12 down to 31..8 */ +#define PSTATEMASK 0x00C0 /* bits 7..6 hold primary line state */ +#define PINVALID 0x0000 /* invalid --> 000 == state 0 */ +#define PCLEANEXCL 0x0080 /* clean exclusive --> 10 == state 2 */ +#define PDIRTYEXCL 0x00C0 /* dirty exclusive --> 11 == state 3 */ +#define PPARITY_MASK 0x0001 /* low bit is parity bit (even). */ + +/* + * C0_CACHE_ERR definitions. + */ +#define CACHERR_ER 0x80000000 /* 0: inst ref, 1: data ref */ +#define CACHERR_EC 0x40000000 /* 0: primary, 1: secondary */ +#define CACHERR_ED 0x20000000 /* 1: data error */ +#define CACHERR_ET 0x10000000 /* 1: tag error */ +#define CACHERR_ES 0x08000000 /* 1: external ref, e.g. snoop*/ +#define CACHERR_EE 0x04000000 /* error on SysAD bus */ +#define CACHERR_EB 0x02000000 /* complicated, see spec. */ +#define CACHERR_EI 0x01000000 /* complicated, see spec. */ +#define CACHERR_SIDX_MASK 0x003ffff8 /* secondary cache index */ +#define CACHERR_PIDX_MASK 0x00000007 /* primary cache index */ +#define CACHERR_PIDX_SHIFT 12 /* bits 2..0 are paddr14..12 */ + +/* R4000 family supports hardware watchpoints: + * C0_WATCHLO: + * bits 31..3 are bits 31..3 of physaddr to watch + * bit 2: reserved; must be written as 0. + * bit 1: when set causes a watchpoint trap on load accesses to paddr. + * bit 0: when set traps on stores to paddr; + * C0_WATCHHI + * bits 31..4 are reserved and must be written as zeros. + * bits 3..0 are bits 35..32 of the physaddr to watch + */ +#define WATCHLO_WTRAP 0x00000001 +#define WATCHLO_RTRAP 0x00000002 +#define WATCHLO_ADDRMASK 0xfffffff8 +#define WATCHLO_VALIDMASK 0xfffffffb +#define WATCHHI_VALIDMASK 0x0000000f + +/* + * Coprocessor 0 registers + */ +#ifdef _LANGUAGE_ASSEMBLY +#define C0_INX $0 +#define C0_RAND $1 +#define C0_ENTRYLO0 $2 +#define C0_ENTRYLO1 $3 +#define C0_CONTEXT $4 +#define C0_PAGEMASK $5 /* page mask */ +#define C0_WIRED $6 /* # wired entries in tlb */ +#define C0_BADVADDR $8 +#define C0_COUNT $9 /* free-running counter */ +#define C0_ENTRYHI $10 +#define C0_SR $12 +#define C0_CAUSE $13 +#define C0_EPC $14 +#define C0_PRID $15 /* revision identifier */ +#define C0_COMPARE $11 /* counter comparison reg. */ +#define C0_CONFIG $16 /* hardware configuration */ +#define C0_LLADDR $17 /* load linked address */ +#define C0_WATCHLO $18 /* watchpoint */ +#define C0_WATCHHI $19 /* watchpoint */ +#define C0_ECC $26 /* S-cache ECC and primary parity */ +#define C0_CACHE_ERR $27 /* cache error status */ +#define C0_TAGLO $28 /* cache operations */ +#define C0_TAGHI $29 /* cache operations */ +#define C0_ERROR_EPC $30 /* ECC error prg. counter */ + +# else /* ! _LANGUAGE_ASSEMBLY */ + +#define C0_INX 0 +#define C0_RAND 1 +#define C0_ENTRYLO0 2 +#define C0_ENTRYLO1 3 +#define C0_CONTEXT 4 +#define C0_PAGEMASK 5 /* page mask */ +#define C0_WIRED 6 /* # wired entries in tlb */ +#define C0_BADVADDR 8 +#define C0_COUNT 9 /* free-running counter */ +#define C0_ENTRYHI 10 +#define C0_SR 12 +#define C0_CAUSE 13 +#define C0_EPC 14 +#define C0_PRID 15 /* revision identifier */ +#define C0_COMPARE 11 /* counter comparison reg. */ +#define C0_CONFIG 16 /* hardware configuration */ +#define C0_LLADDR 17 /* load linked address */ +#define C0_WATCHLO 18 /* watchpoint */ +#define C0_WATCHHI 19 /* watchpoint */ +#define C0_ECC 26 /* S-cache ECC and primary parity */ +#define C0_CACHE_ERR 27 /* cache error status */ +#define C0_TAGLO 28 /* cache operations */ +#define C0_TAGHI 29 /* cache operations */ +#define C0_ERROR_EPC 30 /* ECC error prg. counter */ + +#endif /* _LANGUAGE_ASSEMBLY */ + +/* + * floating-point status register + */ +#define FPCSR_FS 0x01000000 /* flush denorm to zero */ +#define FPCSR_C 0x00800000 /* condition bit */ +#define FPCSR_CE 0x00020000 /* cause: unimplemented operation */ +#define FPCSR_CV 0x00010000 /* cause: invalid operation */ +#define FPCSR_CZ 0x00008000 /* cause: division by zero */ +#define FPCSR_CO 0x00004000 /* cause: overflow */ +#define FPCSR_CU 0x00002000 /* cause: underflow */ +#define FPCSR_CI 0x00001000 /* cause: inexact operation */ +#define FPCSR_EV 0x00000800 /* enable: invalid operation */ +#define FPCSR_EZ 0x00000400 /* enable: division by zero */ +#define FPCSR_EO 0x00000200 /* enable: overflow */ +#define FPCSR_EU 0x00000100 /* enable: underflow */ +#define FPCSR_EI 0x00000080 /* enable: inexact operation */ +#define FPCSR_FV 0x00000040 /* flag: invalid operation */ +#define FPCSR_FZ 0x00000020 /* flag: division by zero */ +#define FPCSR_FO 0x00000010 /* flag: overflow */ +#define FPCSR_FU 0x00000008 /* flag: underflow */ +#define FPCSR_FI 0x00000004 /* flag: inexact operation */ +#define FPCSR_RM_MASK 0x00000003 /* rounding mode mask */ +#define FPCSR_RM_RN 0x00000000 /* round to nearest */ +#define FPCSR_RM_RZ 0x00000001 /* round to zero */ +#define FPCSR_RM_RP 0x00000002 /* round to positive infinity */ +#define FPCSR_RM_RM 0x00000003 /* round to negative infinity */ + +#endif /* __R4300_H */ diff --git a/include/PR/os_system.h b/include/PR/os_system.h index 682c9cf..1179189 100644 --- a/include/PR/os_system.h +++ b/include/PR/os_system.h @@ -1,118 +1,118 @@ - -/*==================================================================== - * os_system.h - * - * Copyright 1995, Silicon Graphics, Inc. - * All Rights Reserved. - * - * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, - * Inc.; the contents of this file may not be disclosed to third - * parties, copied or duplicated in any form, in whole or in part, - * without the prior written permission of Silicon Graphics, Inc. - * - * RESTRICTED RIGHTS LEGEND: - * Use, duplication or disclosure by the Government is subject to - * restrictions as set forth in subdivision (c)(1)(ii) of the Rights - * in Technical Data and Computer Software clause at DFARS - * 252.227-7013, and/or in similar or successor clauses in the FAR, - * DOD or NASA FAR Supplement. Unpublished - rights reserved under the - * Copyright Laws of the United States. - *====================================================================*/ - -/*---------------------------------------------------------------------* - Copyright (C) 1998 Nintendo. (Originated by SGI) - - $RCSfile: os_system.h,v $ - $Revision: 1.1 $ - $Date: 1998/10/09 08:01:18 $ - *---------------------------------------------------------------------*/ - -#ifndef _OS_SYSTEM_H_ -#define _OS_SYSTEM_H_ - -#ifdef _LANGUAGE_C_PLUS_PLUS -extern "C" { -#endif - -#include - -#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) - -/************************************************************************** - * - * Type definitions - * - */ - - -#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */ - -/************************************************************************** - * - * Global definitions - * - */ - -/* - * Values for osTvType - */ -#define OS_TV_PAL 0 -#define OS_TV_NTSC 1 -#define OS_TV_MPAL 2 - -/* - * Size of buffer the retains contents after NMI - */ -#define OS_APP_NMI_BUFSIZE 64 - - -#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) - -/************************************************************************** - * - * Macro definitions - * - */ - - -/************************************************************************** - * - * Extern variables - * - */ - -extern s32 osRomType; /* Bulk or cartridge ROM. 0=cartridge 1=bulk */ -extern void *osRomBase; /* Rom base address of the game image */ -extern s32 osTvType; /* 0 = PAL, 1 = NTSC, 2 = MPAL */ -extern s32 osResetType; /* 0 = cold reset, 1 = NMI */ -extern s32 osCicId; -extern s32 osVersion; -extern u32 osMemSize; /* Memory Size */ -extern s32 osAppNMIBuffer[]; - -extern u64 osClockRate; - -extern OSIntMask __OSGlobalIntMask; /* global interrupt mask */ - - -/************************************************************************** - * - * Function prototypes - * - */ - -extern void osInitialize(void); -extern void osExit(void); -extern u32 osGetMemSize(void); - -/* pre-NMI */ -extern s32 osAfterPreNMI(void); - - -#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */ - -#ifdef _LANGUAGE_C_PLUS_PLUS -} -#endif - -#endif /* !_OS_SYSTEM_H_ */ + +/*==================================================================== + * os_system.h + * + * Copyright 1995, Silicon Graphics, Inc. + * All Rights Reserved. + * + * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, + * Inc.; the contents of this file may not be disclosed to third + * parties, copied or duplicated in any form, in whole or in part, + * without the prior written permission of Silicon Graphics, Inc. + * + * RESTRICTED RIGHTS LEGEND: + * Use, duplication or disclosure by the Government is subject to + * restrictions as set forth in subdivision (c)(1)(ii) of the Rights + * in Technical Data and Computer Software clause at DFARS + * 252.227-7013, and/or in similar or successor clauses in the FAR, + * DOD or NASA FAR Supplement. Unpublished - rights reserved under the + * Copyright Laws of the United States. + *====================================================================*/ + +/*---------------------------------------------------------------------* + Copyright (C) 1998 Nintendo. (Originated by SGI) + + $RCSfile: os_system.h,v $ + $Revision: 1.1 $ + $Date: 1998/10/09 08:01:18 $ + *---------------------------------------------------------------------*/ + +#ifndef _OS_SYSTEM_H_ +#define _OS_SYSTEM_H_ + +#ifdef _LANGUAGE_C_PLUS_PLUS +extern "C" { +#endif + +#include + +#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) + +/************************************************************************** + * + * Type definitions + * + */ + + +#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */ + +/************************************************************************** + * + * Global definitions + * + */ + +/* + * Values for osTvType + */ +#define OS_TV_PAL 0 +#define OS_TV_NTSC 1 +#define OS_TV_MPAL 2 + +/* + * Size of buffer the retains contents after NMI + */ +#define OS_APP_NMI_BUFSIZE 64 + + +#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) + +/************************************************************************** + * + * Macro definitions + * + */ + + +/************************************************************************** + * + * Extern variables + * + */ + +extern s32 osRomType; /* Bulk or cartridge ROM. 0=cartridge 1=bulk */ +extern void *osRomBase; /* Rom base address of the game image */ +extern s32 osTvType; /* 0 = PAL, 1 = NTSC, 2 = MPAL */ +extern s32 osResetType; /* 0 = cold reset, 1 = NMI */ +extern s32 osCicId; +extern s32 osVersion; +extern u32 osMemSize; /* Memory Size */ +extern s32 osAppNMIBuffer[]; + +extern u64 osClockRate; + +extern OSIntMask __OSGlobalIntMask; /* global interrupt mask */ + + +/************************************************************************** + * + * Function prototypes + * + */ + +extern void osInitialize(void); +extern void osExit(void); +extern u32 osGetMemSize(void); + +/* pre-NMI */ +extern s32 osAfterPreNMI(void); + + +#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */ + +#ifdef _LANGUAGE_C_PLUS_PLUS +} +#endif + +#endif /* !_OS_SYSTEM_H_ */