/* SPDX-License-Identifier: GPL-2.0 *//* *	linux/arch/alpha/kernel/machvec_impl.h * *	Copyright (C) 1997, 1998  Richard Henderson * * This file has goodies to help simplify instantiation of machine vectors. */ /* Whee.  These systems don't have an HAE:       IRONGATE, MARVEL, POLARIS, TSUNAMI, TITAN, WILDFIRE   Fix things up for the GENERIC kernel by defining the HAE address   to be that of the cache. Now we can read and write it as we like.  ;-)  */#define IRONGATE_HAE_ADDRESS	(&alpha_mv.hae_cache)#define MARVEL_HAE_ADDRESS	(&alpha_mv.hae_cache)#define POLARIS_HAE_ADDRESS	(&alpha_mv.hae_cache)#define TSUNAMI_HAE_ADDRESS	(&alpha_mv.hae_cache)#define TITAN_HAE_ADDRESS	(&alpha_mv.hae_cache)#define WILDFIRE_HAE_ADDRESS	(&alpha_mv.hae_cache) #ifdef CIA_ONE_HAE_WINDOW#define CIA_HAE_ADDRESS		(&alpha_mv.hae_cache)#endif#ifdef MCPCIA_ONE_HAE_WINDOW#define MCPCIA_HAE_ADDRESS	(&alpha_mv.hae_cache)#endif#ifdef T2_ONE_HAE_WINDOW#define T2_HAE_ADDRESS		(&alpha_mv.hae_cache)#endif /* Only a few systems don't define IACK_SC, handling all interrupts through   the SRM console.  But splitting out that one case from IO() below   seems like such a pain.  Define this to get things to compile.  */#define JENSEN_IACK_SC		1#define T2_IACK_SC		1#define WILDFIRE_IACK_SC	1 /* FIXME */ /* * Some helpful macros for filling in the blanks. */ #define CAT1(x,y)  x##y#define CAT(x,y)   CAT1(x,y) #define DO_DEFAULT_RTC			.rtc_port = 0x70 #define DO_EV4_MMU							\	.max_asn =			EV4_MAX_ASN,			\	.mv_switch_mm =			ev4_switch_mm,			\	.mv_activate_mm =		ev4_activate_mm,		\	.mv_flush_tlb_current =		ev4_flush_tlb_current,		\	.mv_flush_tlb_current_page =	ev4_flush_tlb_current_page #define DO_EV5_MMU							\	.max_asn =			EV5_MAX_ASN,			\	.mv_switch_mm =			ev5_switch_mm,			\	.mv_activate_mm =		ev5_activate_mm,		\	.mv_flush_tlb_current =		ev5_flush_tlb_current,		\	.mv_flush_tlb_current_page =	ev5_flush_tlb_current_page #define DO_EV6_MMU							\	.max_asn =			EV6_MAX_ASN,			\	.mv_switch_mm =			ev5_switch_mm,			\	.mv_activate_mm =		ev5_activate_mm,		\	.mv_flush_tlb_current =		ev5_flush_tlb_current,		\	.mv_flush_tlb_current_page =	ev5_flush_tlb_current_page #define DO_EV7_MMU							\	.max_asn =			EV6_MAX_ASN,			\	.mv_switch_mm =			ev5_switch_mm,			\	.mv_activate_mm =		ev5_activate_mm,		\	.mv_flush_tlb_current =		ev5_flush_tlb_current,		\	.mv_flush_tlb_current_page =	ev5_flush_tlb_current_page #define IO_LITE(UP,low)							\	.hae_register =		(unsigned long *) CAT(UP,_HAE_ADDRESS),	\	.iack_sc =		CAT(UP,_IACK_SC),			\	.mv_ioread8 =		CAT(low,_ioread8),			\	.mv_ioread16 =		CAT(low,_ioread16),			\	.mv_ioread32 =		CAT(low,_ioread32),			\	.mv_ioread64 =		CAT(low,_ioread64),			\	.mv_iowrite8 =		CAT(low,_iowrite8),			\	.mv_iowrite16 =		CAT(low,_iowrite16),			\	.mv_iowrite32 =		CAT(low,_iowrite32),			\	.mv_iowrite64 =		CAT(low,_iowrite64),			\	.mv_readb =		CAT(low,_readb),			\	.mv_readw =		CAT(low,_readw),			\	.mv_readl =		CAT(low,_readl),			\	.mv_readq =		CAT(low,_readq),			\	.mv_writeb =		CAT(low,_writeb),			\	.mv_writew =		CAT(low,_writew),			\	.mv_writel =		CAT(low,_writel),			\	.mv_writeq =		CAT(low,_writeq),			\	.mv_ioportmap =		CAT(low,_ioportmap),			\	.mv_ioremap =		CAT(low,_ioremap),			\	.mv_iounmap =		CAT(low,_iounmap),			\	.mv_is_ioaddr =		CAT(low,_is_ioaddr),			\	.mv_is_mmio =		CAT(low,_is_mmio)			\ #define IO(UP,low)							\	IO_LITE(UP,low),						\	.pci_ops =		&CAT(low,_pci_ops),			\	.mv_pci_tbi =		CAT(low,_pci_tbi) #define DO_APECS_IO	IO(APECS,apecs)#define DO_CIA_IO	IO(CIA,cia)#define DO_IRONGATE_IO	IO(IRONGATE,irongate)#define DO_LCA_IO	IO(LCA,lca)#define DO_MARVEL_IO	IO(MARVEL,marvel)#define DO_MCPCIA_IO	IO(MCPCIA,mcpcia)#define DO_POLARIS_IO	IO(POLARIS,polaris)#define DO_T2_IO	IO(T2,t2)#define DO_TSUNAMI_IO	IO(TSUNAMI,tsunami)#define DO_TITAN_IO	IO(TITAN,titan)#define DO_WILDFIRE_IO	IO(WILDFIRE,wildfire) #define DO_PYXIS_IO	IO_LITE(CIA,cia_bwx), \			.pci_ops = &cia_pci_ops, \			.mv_pci_tbi = cia_pci_tbi /* * In a GENERIC kernel, we have lots of these vectors floating about, * all but one of which we want to go away.  In a non-GENERIC kernel, * we want only one, ever. * * Accomplish this in the GENERIC kernel by putting all of the vectors * in the .init.data section where they'll go away.  We'll copy the * one we want to the real alpha_mv vector in setup_arch. * * Accomplish this in a non-GENERIC kernel by ifdef'ing out all but * one of the vectors, which will not reside in .init.data.  We then * alias this one vector to alpha_mv, so no copy is needed. * * Upshot: set __initdata to nothing for non-GENERIC kernels. */ #ifdef CONFIG_ALPHA_GENERIC#define __initmv __initdata#define ALIAS_MV(x)#else#define __initmv __refdata /* GCC actually has a syntax for defining aliases, but is under some   delusion that you shouldn't be able to declare it extern somewhere   else beforehand.  Fine.  We'll do it ourselves.  */#if 0#define ALIAS_MV(system) \  struct alpha_machine_vector alpha_mv __attribute__((alias(#system "_mv"))); \  EXPORT_SYMBOL(alpha_mv);#else#define ALIAS_MV(system) \  asm(".global alpha_mv\nalpha_mv = " #system "_mv"); \  EXPORT_SYMBOL(alpha_mv);#endif#endif /* GENERIC */