0aa31a3393
This makes it easier to add additional CPU or platform information to the per-CPU structure without duplicated code.
119 lines
3.9 KiB
C
119 lines
3.9 KiB
C
/*-
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* Copyright (c) 1998 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_MD_VAR_H_
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#define _MACHINE_MD_VAR_H_
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/*
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* Miscellaneous machine-dependent declarations.
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*/
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struct ia64_fdesc {
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uint64_t func;
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uint64_t gp;
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};
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#define FDESC_FUNC(fn) (((struct ia64_fdesc *) fn)->func)
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#define FDESC_GP(fn) (((struct ia64_fdesc *) fn)->gp)
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/* Convenience macros to decompose CFM & ar.pfs. */
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#define IA64_CFM_SOF(x) ((x) & 0x7f)
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#define IA64_CFM_SOL(x) (((x) >> 7) & 0x7f)
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#define IA64_CFM_SOR(x) (((x) >> 14) & 0x0f)
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#define IA64_CFM_RRB_GR(x) (((x) >> 18) & 0x7f)
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#define IA64_CFM_RRB_FR(x) (((x) >> 25) & 0x7f)
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#define IA64_CFM_RRB_PR(x) (((x) >> 32) & 0x3f)
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/* Convenience function (inline) to adjust backingstore pointers. */
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static __inline uint64_t
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ia64_bsp_adjust(uint64_t bsp, int nslots)
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{
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int bias = ((unsigned int)bsp & 0x1f8) >> 3;
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nslots += (nslots + bias + 63*8) / 63 - 8;
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return bsp + (nslots << 3);
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}
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#ifdef _KERNEL
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struct _special;
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struct pcpu;
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struct thread;
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struct trapframe;
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/*
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* Return value from ia64_init. Describes stack to switch to.
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*/
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struct ia64_init_return {
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uint64_t bspstore;
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uint64_t sp;
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};
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extern uint64_t ia64_lapic_addr;
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extern vm_paddr_t paddr_max;
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extern u_int busdma_swi_pending;
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void *acpi_find_table(const char *sig);
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void busdma_swi(void);
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int copyout_regstack(struct thread *, uint64_t *, uint64_t *);
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void cpu_mp_add(u_int, u_int, u_int);
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void cpu_pcpu_setup(struct pcpu *, u_int, u_int);
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int do_ast(struct trapframe *);
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void ia32_trap(int, struct trapframe *);
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int ia64_count_cpus(void);
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int ia64_emulate(struct trapframe *, struct thread *);
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int ia64_flush_dirty(struct thread *, struct _special *);
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uint64_t ia64_get_hcdp(void);
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int ia64_highfp_drop(struct thread *);
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int ia64_highfp_enable(struct thread *, struct trapframe *);
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int ia64_highfp_save(struct thread *);
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int ia64_highfp_save_ipi(void);
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struct ia64_init_return ia64_init(void);
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u_int ia64_itc_freq(void);
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int ia64_physmem_add(vm_paddr_t, vm_size_t);
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void *ia64_physmem_alloc(vm_size_t, vm_size_t);
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int ia64_physmem_delete(vm_paddr_t, vm_size_t);
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int ia64_physmem_fini(void);
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int ia64_physmem_init(void);
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int ia64_physmem_track(vm_paddr_t, vm_size_t);
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void ia64_probe_sapics(void);
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void ia64_sync_icache(vm_offset_t, vm_size_t);
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void interrupt(struct trapframe *);
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void map_gateway_page(void);
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void map_pal_code(void);
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void map_vhpt(uintptr_t);
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void os_boot_rendez(void);
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void os_mca(void);
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int syscall(struct trapframe *);
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void trap(int, struct trapframe *);
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void trap_panic(int, struct trapframe *);
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int unaligned_fixup(struct trapframe *, struct thread *);
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#endif /* _KERNEL */
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#endif /* !_MACHINE_MD_VAR_H_ */
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