/* dyn-rec.h -- Recompiler specific definitions
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/* dyn-rec.h -- Recompiler specific definitions
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Copyright (C) 2005 György `nog' Jeney, nog@sdf.lonestar.org
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Copyright (C) 2005 György `nog' Jeney, nog@sdf.lonestar.org
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Copyright (C) 2008 Embecosm Limited
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Copyright (C) 2008 Embecosm Limited
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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This file is part of OpenRISC 1000 Architectural Simulator.
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This file is part of OpenRISC 1000 Architectural Simulator.
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This program is free software; you can redistribute it and/or modify it
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your option)
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Software Foundation; either version 3 of the License, or (at your option)
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any later version.
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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more details.
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You should have received a copy of the GNU General Public License along
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You should have received a copy of the GNU General Public License along
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with this program. If not, see <http://www.gnu.org/licenses/>. */
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with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* This program is commented throughout in a fashion suitable for processing
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/* This program is commented throughout in a fashion suitable for processing
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with Doxygen. */
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with Doxygen. */
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#ifndef DYN_REC__H
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#ifndef DYN_REC__H
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#define DYN_REC__H
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#define DYN_REC__H
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typedef void (*gen_code_ent)(void);
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typedef void (*gen_code_ent)(void);
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/* Each dynamically recompiled page has one of these */
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/* Each dynamically recompiled page has one of these */
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struct dyn_page {
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struct dyn_page {
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oraddr_t or_page;
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oraddr_t or_page;
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void *host_page;
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void *host_page;
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unsigned int host_len;
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unsigned int host_len;
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int dirty; /* Is recompiled page invalid? */
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int dirty; /* Is recompiled page invalid? */
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int delayr; /* delayr of memory backing this page */
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int delayr; /* delayr of memory backing this page */
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uint16_t ts_bound[2049]; /* What registers the temporaries back (on the
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uint16_t ts_bound[2049]; /* What registers the temporaries back (on the
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* begining boundry of the instruction) */
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* begining boundry of the instruction) */
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void **locs; /* Openrisc locations in the recompiled code */
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void **locs; /* Openrisc locations in the recompiled code */
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uint32_t *insns; /* Copy of instructions on this page */
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uint32_t *insns; /* Copy of instructions on this page */
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unsigned int *insn_indexs; /* Decoded instructions on this page */
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unsigned int *insn_indexs; /* Decoded instructions on this page */
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};
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};
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/* Function prototypes for external use */
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/* Function prototypes for external use */
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extern void recompile_page(struct dyn_page *dyn);
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extern void recompile_page(struct dyn_page *dyn);
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extern struct dyn_page *new_dp(oraddr_t page);
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extern struct dyn_page *new_dp(oraddr_t page);
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extern void add_to_opq(struct op_queue *opq, int end, int op);
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extern void add_to_opq(struct op_queue *opq, int end, int op);
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extern void add_to_op_params(struct op_queue *opq, int end, unsigned long param);
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extern void add_to_op_params(struct op_queue *opq, int end, unsigned long param);
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extern void *enough_host_page(struct dyn_page *dp, void *cur, unsigned int *len,
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extern void *enough_host_page(struct dyn_page *dp, void *cur, unsigned int *len,
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unsigned int amount);
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unsigned int amount);
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extern void init_dyn_recomp(void);
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extern void init_dyn_recomp(void);
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extern void run_sched_out_of_line(void);
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extern void run_sched_out_of_line(void);
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extern void recheck_immu(int got_en_dis);
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extern void recheck_immu(int got_en_dis);
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extern void enter_dyn_code(oraddr_t addr, struct dyn_page *dp);
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extern void enter_dyn_code(oraddr_t addr, struct dyn_page *dp);
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extern void dyn_checkwrite(oraddr_t addr);
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extern void dyn_checkwrite(oraddr_t addr);
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extern void dyn_main(void);
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extern void dyn_main(void);
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/* Global variables for external use */
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/* Global variables for external use */
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extern void *rec_stack_base;
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extern void *rec_stack_base;
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#define IMMU_GOT_ENABLED 1
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#define IMMU_GOT_ENABLED 1
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#define IMMU_GOT_DISABLED 2
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#define IMMU_GOT_DISABLED 2
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#define xglue(x, y) x ## y
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#define xglue(x, y) x ## y
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#define glue(x, y) xglue(x, y)
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#define glue(x, y) xglue(x, y)
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#endif /* DYN_REC__H */
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#endif /* DYN_REC__H */
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