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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137/* 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_EV5_MMU \ .max_asn = EV5_MAX_ASN \
#define DO_EV6_MMU \ .max_asn = EV6_MAX_ASN \
#define DO_EV7_MMU \ .max_asn = EV6_MAX_ASN \
#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 */