59 lines
2.8 KiB
C
59 lines
2.8 KiB
C
/* uc15_defs.h: PDP15/UC15 shared state definitions
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Copyright (c) 2016, Robert M Supnik
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of Robert M Supnik shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from Robert M Supnik.
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*/
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#ifndef UC15_DEFS_H_
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#define UC15_DEFS_H_ 0
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#define UC15_STATE_SIZE 1024 /* size (int32's) */
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/* The shared state region is divided into four quadrants
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000-255 PDP-15 read/write, PDP-11 read only, data
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255-511 PDP-11 read/write, PDP-15 read only, data
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768-1023 Event signals (locks), read/write
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*/
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#define PDP15_MAXMEM 0400000 /* PDP15 max mem, words */
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#define UC15_PDP15MEM 0040 /* PDP15 mem size, bytes */
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#define UC15_TCBP 0100 /* TCB pointer */
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#define UC15_API_SUMM 0140 /* API summary */
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#define UC15_API_VEC 0600 /* vectors[4] */
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#define UC15_API_VEC_MUL 010 /* vector spread factor */
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#define UC15_TCBP_WR 01000 /* TCBP write signal */
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#define UC15_TCBP_RD 01040 /* TCBP read signal */
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#define UC15_API_UPD 01100 /* API summ update */
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#define UC15_API_REQ 01200 /* +1 for API req[4] */
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#define UC15_SHARED_RD(p) (*(uc15_shstate + (p)))
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#define UC15_SHARED_WR(p,d) *(uc15_shstate + (p)) = (d)
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#define UC15_ATOMIC_CAS(p,o,n) sim_shmem_atomic_cas ((uc15_shstate + (p)), o, n)
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#define UC15_ATOMIC_ADD(p,a) sim_shmem_atomic_add ((uc15_shstate + (p)), (a))
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#endif
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