/* $OpenBSD: asm.h,v 1.8 2006/05/08 14:03:34 miod Exp $ */ /* * Mach Operating System * Copyright (c) 1993-1992 Carnegie Mellon University * Copyright (c) 1991 OMRON Corporation * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON AND OMRON ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON AND OMRON DISCLAIM ANY LIABILITY OF ANY KIND * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. */ #ifndef __M88K_ASM_H__ #define __M88K_ASM_H__ #ifdef __STDC__ #define _C_LABEL(name) _ ## name #else #define _C_LABEL(name) _/**/name #endif #define _ASM_LABEL(name) name #define _ENTRY(name) \ .text; .align 8; .globl name; name: #define ENTRY(name) _ENTRY(_C_LABEL(name)) #define ASENTRY(name) _ENTRY(_ASM_LABEL(name)) #define GLOBAL(name) \ .globl _C_LABEL(name); _C_LABEL(name): #define ASGLOBAL(name) \ .globl _ASM_LABEL(name); _ASM_LABEL(name): #define LOCAL(name) \ _C_LABEL(name): #define ASLOCAL(name) \ _ASM_LABEL(name): #define BSS(name, size) \ .comm _C_LABEL(name), size #define ASBSS(name, size) \ .comm _ASM_LABEL(name), size #ifdef __ELF__ #define WEAK_ALIAS(alias,sym) \ .weak alias; \ alias = sym #else #ifdef __STDC__ #define WEAK_ALIAS(alias,sym) \ .weak _##alias; \ _##alias = _##sym #else #define WEAK_ALIAS(alias,sym) \ .weak _/**/alias; \ _/**/alias = _/**/sym #endif #endif #ifdef _KERNEL #ifdef _LOCORE /* * Control register symbolic names */ #define PID cr0 #define PSR cr1 #define EPSR cr2 #define SSBR cr3 #define SXIP cr4 #define SNIP cr5 #define SFIP cr6 #define VBR cr7 #define DMT0 cr8 #define DMD0 cr9 #define DMA0 cr10 #define DMT1 cr11 #define DMD1 cr12 #define DMA1 cr13 #define DMT2 cr14 #define DMD2 cr15 #define DMA2 cr16 #define SR0 cr17 #define SR1 cr18 #define SR2 cr19 #define SR3 cr20 /* MVME197 only */ #define SRX cr16 #define EXIP cr4 #define ENIP cr5 #define ICMD cr25 #define ICTL cr26 #define ISAR cr27 #define ISAP cr28 #define IUAP cr29 #define IIR cr30 #define IBP cr31 #define IPPU cr32 #define IPPL cr33 #define ISR cr34 #define ILAR cr35 #define IPAR cr36 #define DCMD cr40 #define DCTL cr41 #define DSAR cr42 #define DSAP cr43 #define DUAP cr44 #define DIR cr45 #define DBP cr46 #define DPPU cr47 #define DPPL cr48 #define DSR cr49 #define DLAR cr50 #define DPAR cr51 /* end MVME197 only */ #define FPECR fcr0 #define FPHS1 fcr1 #define FPLS1 fcr2 #define FPHS2 fcr3 #define FPLS2 fcr4 #define FPPT fcr5 #define FPRH fcr6 #define FPRL fcr7 #define FPIT fcr8 #define FPSR fcr62 #define FPCR fcr63 /* * At various times, there is the need to clear the pipeline (i.e. * synchronize). A "tb1 0, r0, foo" will do that (because a trap * instruction always synchronizes, and this particular instruction * will never actually take the trap). */ #define FLUSH_PIPELINE tb1 0, r0, 0 #define NOP or r0, r0, r0 #define RTE NOP ; rte /* * Info about the PSR */ #define PSR_SHADOW_FREEZE_BIT 0 #define PSR_INTERRUPT_DISABLE_BIT 1 #define PSR_FPU_DISABLE_BIT 3 #define PSR_BIG_ENDIAN_MODE 30 #define PSR_SUPERVISOR_MODE_BIT 31 /* * mc88110 PSR bit definitions (MVME197) */ #define PSR_GRAPHICS_DISABLE_BIT 4 #define PSR_SERIAL_MODE_BIT 29 #define PSR_CARRY_BIT 28 #define PSR_SERIALIZE_BIT 25 #define VECTOR(x) \ word _C_LABEL(x) #define CPU SR0 #endif /* _LOCORE */ #define FLUSH_PIPELINE_STRING "tb1 0, r0, 0" /* * Status bits for an SXIP/SNIP/SFIP address. */ #define RTE_VALID_BIT 1 #define RTE_ERROR_BIT 0 /* * Info about DMT0/DMT1/DMT2 */ #define DMT_VALID_BIT 0 #define DMT_WRITE_BIT 1 #define DMT_LOCK_BIT 12 #define DMT_DOUBLE_BIT 13 #define DMT_DAS_BIT 14 #define DMT_DREG_OFFSET 7 #define DMT_DREG_WIDTH 5 #endif /* _KERNEL */ #endif /* __M88K_ASM_H__ */