/* * linux/arch/alpha/kernel/machvec.h * * Copyright (C) 1997, 1998 Richard Henderson * * This file has goodies to help simplify instantiation of machine vectors. */ #include #include /* 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 /* 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_inb: CAT(low,_inb), \ mv_inw: CAT(low,_inw), \ mv_inl: CAT(low,_inl), \ mv_outb: CAT(low,_outb), \ mv_outw: CAT(low,_outw), \ mv_outl: CAT(low,_outl), \ 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_ioremap: CAT(low,_ioremap), \ mv_iounmap: CAT(low,_iounmap) \ #define IO(UP,low) \ IO_LITE(UP,low), \ pci_ops: &CAT(low,_pci_ops) #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: &CAT(cia,_pci_ops) #define BUS(which) \ mv_is_ioaddr: CAT(which,_is_ioaddr), \ mv_pci_tbi: CAT(which,_pci_tbi) #define DO_APECS_BUS BUS(apecs) #define DO_CIA_BUS BUS(cia) #define DO_IRONGATE_BUS BUS(irongate) #define DO_LCA_BUS BUS(lca) #define DO_MARVEL_BUS BUS(marvel) #define DO_MCPCIA_BUS BUS(mcpcia) #define DO_POLARIS_BUS BUS(polaris) #define DO_T2_BUS BUS(t2) #define DO_TSUNAMI_BUS BUS(tsunami) #define DO_TITAN_BUS BUS(titan) #define DO_WILDFIRE_BUS BUS(wildfire) /* * 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 /* 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"))); #else #define ALIAS_MV(system) \ asm(".global alpha_mv\nalpha_mv = " #system "_mv"); #endif #endif /* GENERIC */