diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
commit | d6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch) | |
tree | ece253b876159b39c620e62b6c9b1174642e070e /sys/arch/pmax/tc/tc.h |
initial import of NetBSD tree
Diffstat (limited to 'sys/arch/pmax/tc/tc.h')
-rw-r--r-- | sys/arch/pmax/tc/tc.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/sys/arch/pmax/tc/tc.h b/sys/arch/pmax/tc/tc.h new file mode 100644 index 00000000000..5e65c408af5 --- /dev/null +++ b/sys/arch/pmax/tc/tc.h @@ -0,0 +1,117 @@ +/* $NetBSD: tc.h,v 1.1 1995/08/07 07:07:50 jonathan Exp $ */ + +/* + * Copyright (c) 1994, 1995 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Chris G. Demetriou + * + * 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 ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS 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. + */ + +/* + * TurboChannel-specific functions and structures. + */ + +/* + * A junk address to read from, to make sure writes are complete. See + * System Programmer's Manual, section 9.3 (p. 9-4), and sacrifice a + * chicken. + */ +#define MAGIC_READ do { \ + extern u_int32_t no_optimize; \ + no_optimize = *(u_int32_t *)phystok0seg(0x00000001f0080220); \ +} while (0); + +#define TC_SPACE_IND 0xffffffffe0000003 +#define TC_SPACE_DENSE 0x0000000000000000 +#define TC_SPACE_DENSE_OFFSET 0x0000000007fffffc +#define TC_SPACE_SPARSE 0x0000000010000000 +#define TC_SPACE_SPARSE_OFFSET 0x000000000ffffff8 + +#define TC_DENSE_TO_SPARSE(addr) \ + ((void *) \ + (((u_int64_t)addr & TC_SPACE_IND) | \ + TC_SPACE_SPARSE | \ + (((u_int64_t)addr & TC_SPACE_DENSE_OFFSET) << 1))) + +#define TC_SPARSE_TO_DENSE(addr) \ + ((void *) \ + (((u_int64_t)addr & TC_SPACE_IND) | \ + TC_SPACE_DENSE | \ + (((u_int64_t)addr & TC_SPACE_SPARSE_OFFSET) >> 1))) + + +#define TC_ROM_LLEN 8 +#define TC_ROM_SLEN 4 +#define TC_ROM_TEST_SIZE 16 + +#define TC_SLOT_ROM 0x000003e0 +#define TC_SLOT_PROTOROM 0x003c03e0 + +typedef struct tc_padchar { + u_int8_t v; + u_int8_t pad[3]; +} tc_padchar_t; + +struct tc_rommap { + tc_padchar_t tcr_width; + tc_padchar_t tcr_stride; + tc_padchar_t tcr_rsize; + tc_padchar_t tcr_ssize; + u_int8_t tcr_test[TC_ROM_TEST_SIZE]; + tc_padchar_t tcr_rev[TC_ROM_LLEN]; + tc_padchar_t tcr_vendname[TC_ROM_LLEN]; + tc_padchar_t tcr_modname[TC_ROM_LLEN]; + tc_padchar_t tcr_firmtype[TC_ROM_SLEN]; +}; + +/* The contents of a cfdata->cf_loc for a TurboChannel device */ +struct tc_cfloc { + int cf_slot; /* Slot number */ + int cf_offset; /* XXX? Offset into slot. */ + int cf_vec; + int cf_ipl; +}; + +#define TC_SLOT_WILD -1 /* wildcarded slot */ +#define TC_OFFSET_WILD -1 /* wildcarded offset */ +#define TC_VEC_WILD -1 /* wildcarded vec */ +#define TC_IPL_WILD -1 /* wildcarded ipl */ + +struct tc_slot_desc { + caddr_t tsd_dense; +}; + +struct tc_cpu_desc { + struct tc_slot_desc *tcd_slots; + long tcd_nslots; + struct confargs *tcd_devs; + long tcd_ndevs; + void (*tc_intr_setup) __P((void)); + void (*tc_intr_establish) + __P((struct confargs *, intr_handler_t, void *)); + void (*tc_intr_disestablish) __P((struct confargs *)); + int (*tc_iointr) __P((u_int mask, u_int pc, + u_int statusReg, u_int causeReg)); +}; + +int tc_intrnull __P((void *)); |