src/include/cpu_hppa.h

#ifndef CPU_HPPA_H
#define CPU_HPPA_H

/*
 *  Copyright (C) 2005  Anders Gavare.  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright  
 *     notice, this list of conditions and the following disclaimer in the 
 *     documentation and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED.  IN NO EVENT HPPAALL THE AUTHOR OR CONTRIBUTORS BE LIABLE   
 *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 *  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 *  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 *  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 *  SUCH DAMAGE.
 *
 *
 *  $Id: cpu_hppa.h,v 1.8 2005/10/27 14:01:15 debug Exp $
 */

#include "misc.h"


struct cpu_family;


#define HPPA_N_IC_ARGS                  3
#define HPPA_INSTR_ALIGNMENT_SHIFT      2
#define HPPA_IC_ENTRIES_SHIFT           10
#define HPPA_IC_ENTRIES_PER_PAGE                (1 << HPPA_IC_ENTRIES_SHIFT)
#define HPPA_PC_TO_IC_ENTRY(a)          (((a)>>HPPA_INSTR_ALIGNMENT_SHIFT) \
                                        & (HPPA_IC_ENTRIES_PER_PAGE-1))
#define HPPA_ADDR_TO_PAGENR(a)          ((a) >> (HPPA_IC_ENTRIES_SHIFT \
                                        + HPPA_INSTR_ALIGNMENT_SHIFT))

struct hppa_instr_call {
        void    (*f)(struct cpu *, struct hppa_instr_call *);
        size_t  arg[HPPA_N_IC_ARGS];
};

/*  Translation cache struct for each physical page:  */
struct hppa_tc_physpage {
        struct hppa_instr_call ics[HPPA_IC_ENTRIES_PER_PAGE + 1];
        uint32_t        next_ofs;       /*  or 0 for end of chain  */
        int             flags;
        uint64_t        physaddr;
};

#define HPPA_N_VPH_ENTRIES              1048576

#define HPPA_MAX_VPH_TLB_ENTRIES                256
struct hppa_vpg_tlb_entry {
        int             valid;
        int             writeflag;
        int64_t         timestamp;
        unsigned char   *host_page;
        uint64_t        vaddr_page;
        uint64_t        paddr_page;
};

struct hppa_cpu {
        int             bits;           /*  32 or 64  */

        uint64_t        r[32];


        /*
         *  Instruction translation cache:
         */

        /*  cur_ic_page is a pointer to an array of HPPA_IC_ENTRIES_PER_PAGE
            instruction call entries. next_ic points to the next such
            call to be executed.  */
        struct hppa_tc_physpage *cur_physpage;
        struct hppa_instr_call  *cur_ic_page;
        struct hppa_instr_call  *next_ic;


        /*
         *  Virtual -> physical -> host address translation:
         *
         *  host_load and host_store point to arrays of HPPA_N_VPH_ENTRIES
         *  pointers (to host pages); phys_addr points to an array of
         *  HPPA_N_VPH_ENTRIES uint32_t.
         */

        struct hppa_vpg_tlb_entry  vph_tlb_entry[HPPA_MAX_VPH_TLB_ENTRIES];
        unsigned char              *host_load[HPPA_N_VPH_ENTRIES]; 
        unsigned char              *host_store[HPPA_N_VPH_ENTRIES];
        uint32_t                   phys_addr[HPPA_N_VPH_ENTRIES]; 
        struct hppa_tc_physpage    *phys_page[HPPA_N_VPH_ENTRIES];

        uint32_t                   phystranslation[HPPA_N_VPH_ENTRIES/32];
};


/*  cpu_hppa.c:  */
void hppa_update_translation_table(struct cpu *cpu, uint64_t vaddr_page,
        unsigned char *host_page, int writeflag, uint64_t paddr_page);
void hppa_invalidate_translation_caches(struct cpu *cpu, uint64_t, int);
void hppa_invalidate_code_translation(struct cpu *cpu, uint64_t, int);
void hppa32_update_translation_table(struct cpu *cpu, uint64_t vaddr_page,
        unsigned char *host_page, int writeflag, uint64_t paddr_page);
void hppa32_invalidate_translation_caches(struct cpu *cpu, uint64_t, int);
void hppa32_invalidate_code_translation(struct cpu *cpu, uint64_t, int);
int hppa_memory_rw(struct cpu *cpu, struct memory *mem, uint64_t vaddr,
        unsigned char *data, size_t len, int writeflag, int cache_flags);
int hppa_cpu_family_init(struct cpu_family *);


#endif  /*  CPU_HPPA_H  */
1	#ifndef CPU_HPPA_H
2	#define CPU_HPPA_H
3
4	/*
5	* Copyright (C) 2005 Anders Gavare. All rights reserved.
6	*
7	* Redistribution and use in source and binary forms, with or without
8	* modification, are permitted provided that the following conditions are met:
9	*
10	* 1. Redistributions of source code must retain the above copyright
11	* notice, this list of conditions and the following disclaimer.
12	* 2. Redistributions in binary form must reproduce the above copyright
13	* notice, this list of conditions and the following disclaimer in the
14	* documentation and/or other materials provided with the distribution.
15	* 3. The name of the author may not be used to endorse or promote products
16	* derived from this software without specific prior written permission.
17	*
18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21	* ARE DISCLAIMED. IN NO EVENT HPPAALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28	* SUCH DAMAGE.
29	*
30	*
31	* $Id: cpu_hppa.h,v 1.8 2005/10/27 14:01:15 debug Exp $
32	*/
33
34	#include "misc.h"
35
36
37	struct cpu_family;
38
39
40	#define HPPA_N_IC_ARGS 3
41	#define HPPA_INSTR_ALIGNMENT_SHIFT 2
42	#define HPPA_IC_ENTRIES_SHIFT 10
43	#define HPPA_IC_ENTRIES_PER_PAGE (1 << HPPA_IC_ENTRIES_SHIFT)
44	#define HPPA_PC_TO_IC_ENTRY(a) (((a)>>HPPA_INSTR_ALIGNMENT_SHIFT) \
45	& (HPPA_IC_ENTRIES_PER_PAGE-1))
46	#define HPPA_ADDR_TO_PAGENR(a) ((a) >> (HPPA_IC_ENTRIES_SHIFT \
47	+ HPPA_INSTR_ALIGNMENT_SHIFT))
48
49	struct hppa_instr_call {
50	void (f)(struct cpu , struct hppa_instr_call *);
51	size_t arg[HPPA_N_IC_ARGS];
52	};
53
54	/* Translation cache struct for each physical page: */
55	struct hppa_tc_physpage {
56	struct hppa_instr_call ics[HPPA_IC_ENTRIES_PER_PAGE + 1];
57	uint32_t next_ofs; /* or 0 for end of chain */
58	int flags;
59	uint64_t physaddr;
60	};
61
62	#define HPPA_N_VPH_ENTRIES 1048576
63
64	#define HPPA_MAX_VPH_TLB_ENTRIES 256
65	struct hppa_vpg_tlb_entry {
66	int valid;
67	int writeflag;
68	int64_t timestamp;
69	unsigned char *host_page;
70	uint64_t vaddr_page;
71	uint64_t paddr_page;
72	};
73
74	struct hppa_cpu {
75	int bits; /* 32 or 64 */
76
77	uint64_t r[32];
78
79
80	/*
81	* Instruction translation cache:
82	*/
83
84	/* cur_ic_page is a pointer to an array of HPPA_IC_ENTRIES_PER_PAGE
85	instruction call entries. next_ic points to the next such
86	call to be executed. */
87	struct hppa_tc_physpage *cur_physpage;
88	struct hppa_instr_call *cur_ic_page;
89	struct hppa_instr_call *next_ic;
90
91
92	/*
93	* Virtual -> physical -> host address translation:
94	*
95	* host_load and host_store point to arrays of HPPA_N_VPH_ENTRIES
96	* pointers (to host pages); phys_addr points to an array of
97	* HPPA_N_VPH_ENTRIES uint32_t.
98	*/
99
100	struct hppa_vpg_tlb_entry vph_tlb_entry[HPPA_MAX_VPH_TLB_ENTRIES];
101	unsigned char *host_load[HPPA_N_VPH_ENTRIES];
102	unsigned char *host_store[HPPA_N_VPH_ENTRIES];
103	uint32_t phys_addr[HPPA_N_VPH_ENTRIES];
104	struct hppa_tc_physpage *phys_page[HPPA_N_VPH_ENTRIES];
105
106	uint32_t phystranslation[HPPA_N_VPH_ENTRIES/32];
107	};
108
109
110	/* cpu_hppa.c: */
111	void hppa_update_translation_table(struct cpu *cpu, uint64_t vaddr_page,
112	unsigned char *host_page, int writeflag, uint64_t paddr_page);
113	void hppa_invalidate_translation_caches(struct cpu *cpu, uint64_t, int);
114	void hppa_invalidate_code_translation(struct cpu *cpu, uint64_t, int);
115	void hppa32_update_translation_table(struct cpu *cpu, uint64_t vaddr_page,
116	unsigned char *host_page, int writeflag, uint64_t paddr_page);
117	void hppa32_invalidate_translation_caches(struct cpu *cpu, uint64_t, int);
118	void hppa32_invalidate_code_translation(struct cpu *cpu, uint64_t, int);
119	int hppa_memory_rw(struct cpu cpu, struct memory mem, uint64_t vaddr,
120	unsigned char *data, size_t len, int writeflag, int cache_flags);
121	int hppa_cpu_family_init(struct cpu_family *);
122
123
124	#endif /* CPU_HPPA_H */