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#define CPU_M68K_H |
#define CPU_M68K_H |
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/* |
/* |
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* Copyright (C) 2005 Anders Gavare. All rights reserved. |
* Copyright (C) 2005-2006 Anders Gavare. All rights reserved. |
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* |
* |
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* Redistribution and use in source and binary forms, with or without |
* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
* modification, are permitted provided that the following conditions are met: |
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* SUCH DAMAGE. |
* SUCH DAMAGE. |
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* |
* |
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* |
* |
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* $Id: cpu_m68k.h,v 1.9 2005/11/16 21:15:19 debug Exp $ |
* $Id: cpu_m68k.h,v 1.12 2006/02/13 04:23:25 debug Exp $ |
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*/ |
*/ |
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#include "misc.h" |
#include "misc.h" |
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#define M68K_ADDR_TO_PAGENR(a) ((a) >> (M68K_IC_ENTRIES_SHIFT \ |
#define M68K_ADDR_TO_PAGENR(a) ((a) >> (M68K_IC_ENTRIES_SHIFT \ |
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+ M68K_INSTR_ALIGNMENT_SHIFT)) |
+ M68K_INSTR_ALIGNMENT_SHIFT)) |
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struct m68k_instr_call { |
DYNTRANS_MISC_DECLARATIONS(m68k,M68K,uint32_t) |
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void (*f)(struct cpu *, struct m68k_instr_call *); |
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int len; |
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size_t arg[M68K_N_IC_ARGS]; |
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}; |
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/* Translation cache struct for each physical page: */ |
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struct m68k_tc_physpage { |
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struct m68k_instr_call ics[M68K_IC_ENTRIES_PER_PAGE + 1]; |
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uint32_t next_ofs; /* or 0 for end of chain */ |
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uint32_t physaddr; |
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int flags; |
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}; |
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#define M68K_MAX_VPH_TLB_ENTRIES 128 |
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#define M68K_N_VPH_ENTRIES 1048576 |
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#define M68K_MAX_VPH_TLB_ENTRIES 256 |
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struct m68k_vpg_tlb_entry { |
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uint8_t valid; |
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uint8_t writeflag; |
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uint32_t vaddr_page; |
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uint32_t paddr_page; |
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unsigned char *host_page; |
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}; |
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struct m68k_cpu { |
struct m68k_cpu { |
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/* |
/* |
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* Instruction translation cache: |
* Instruction translation cache and 32-bit virtual -> physical -> |
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* host address translation: |
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*/ |
*/ |
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DYNTRANS_ITC(m68k) |
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/* cur_ic_page is a pointer to an array of M68K_IC_ENTRIES_PER_PAGE |
VPH_TLBS(m68k,M68K) |
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instruction call entries. next_ic points to the next such |
VPH32(m68k,M68K,uint32_t,uint8_t) |
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call to be executed. */ |
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struct m68k_tc_physpage *cur_physpage; |
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struct m68k_instr_call *cur_ic_page; |
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struct m68k_instr_call *next_ic; |
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void (*combination_check)(struct cpu *, |
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struct m68k_instr_call *, int low_addr); |
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/* |
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* Virtual -> physical -> host address translation: |
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* |
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* host_load and host_store point to arrays of M68K_N_VPH_ENTRIES |
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* pointers (to host pages); phys_addr points to an array of |
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* M68K_N_VPH_ENTRIES uint32_t. |
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*/ |
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struct m68k_vpg_tlb_entry vph_tlb_entry[M68K_MAX_VPH_TLB_ENTRIES]; |
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unsigned char *host_load[M68K_N_VPH_ENTRIES]; |
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unsigned char *host_store[M68K_N_VPH_ENTRIES]; |
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uint32_t phys_addr[M68K_N_VPH_ENTRIES]; |
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struct m68k_tc_physpage *phys_page[M68K_N_VPH_ENTRIES]; |
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uint32_t phystranslation[M68K_N_VPH_ENTRIES/32]; |
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int16_t vaddr_to_tlbindex[M68K_N_VPH_ENTRIES]; |
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}; |
}; |
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