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mmu-hitachi-sh.h
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/*
Copyright (c) 1999-2008, Phillip Stanley-Marbell (author)
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the following
disclaimer.
* 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.
* Neither the name of the author nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 SHALL THE
COPYRIGHT OWNER 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.
*/
/* */
/* From Figure 3.2 of rej09b0146_sh7706.pdf */
/* */
enum
{
MMU_AREA_U0_START = 0x00000000,
MMU_AREA_U0_END = 0x80000000,
MMU_AREA_P0_START = 0x00000000,
MMU_AREA_P1_START = 0x80000000,
MMU_AREA_P2_START = 0xA0000000,
MMU_AREA_P3_START = 0xC0000000,
MMU_AREA_P4_START = 0xE0000000,
MMU_AREA_P4_END = 0xFFFFFFFF,
};
typedef enum
{
MMU_AREA_U0,
MMU_AREA_P0,
MMU_AREA_P1,
MMU_AREA_P2,
MMU_AREA_P3,
MMU_AREA_P4,
MMU_AREA_INVALID,
} MMUarea;
/* */
/* From Section 3.2 of rej09b0146_sh7706.pdf. Also, Fig 3.8 */
/* */
#define mmucr_field_at(r) ((r) & B0001)
#define mmucr_field_ix(r) (((r) >> 1) & B0001)
#define mmucr_field_tf(r) (((r) >> 2) & B0001)
#define mmucr_field_rc(r) (((r) >> 4) & B0011)
#define mmucr_field_sv(r) (((r) >> 8) & B0001)
#define pteh_field_vpn31_17(r) (((r) >> 17) & ((1 << 15) - 1))
#define pteh_field_vpn11_10(r) (((r) >> 10) & B0011)
#define pteh_field_index(r) (((r) >> 12) & B00011111)
#define pteh_field_asid(r) ((r) & B11111111)
#define ptel_field_sh(r) (((r) >> 1) & B0001)
#define ptel_field_d(r) (((r) >> 2) & B0001)
#define ptel_field_c(r) (((r) >> 3) & B0001)
#define ptel_field_sz(r) (((r) >> 4) & B0001)
#define ptel_field_pr(r) (((r) >> 5) & B0011)
#define ptel_field_v(r) (((r) >> 8) & B0001)
#define ptel_field_ppn(r) (((r) >> 10) & ((1 << 22) - 1))
/* */
/* From Figure 3.4 of rej09b0146_sh7706.pdf */
/* */
#define vaddr1k_field_vpn(a) (((a) >> 10) & ((1 << 22) - 1))
#define vaddr1k_field_offset(a) ((a) & B0000001111111111)
#define vaddr4k_field_vpn(a) (((a) >> 12) & ((1 << 20) - 1))
#define vaddr4k_field_offset(a) ((a) & B0000111111111111)
/*
WTF was I thinking ?
#define tlbentry_datafield_sh(e) ((e) & B0001)
#define tlbentry_datafield_d(e) (((e) >> 1) & B0001)
#define tlbentry_datafield_c(e) (((e) >> 2) & B0001)
#define tlbentry_datafield_sz(e) (((e) >> 3) & B0001)
#define tlbentry_datafield_pr(e) (((e) >> 4) & B0011)
#define tlbentry_datafield_ppn(e) (((e) >> 6) & ((1 << 22) - 1))
#define tlbentry_addrfield_v(e) ((e) & B0001)
#define tlbentry_addrfield_asid(e) (((e) >> 1) & B11111111)
#define tlbentry_addrfield_vpn11_10(e) (((e) >> 9) & B0011)
#define tlbentry_addrfield_vpn31_17(e) (((e) >> 11) & ((1 << 15) - 1))
*/
//TODO: this cant be right. see figure 3.13
#define tlbentry_data_pack(ppn,pr,sz,c,d,sh) (((ppn) << 6) | ((pr) << 4) |\
((sz) << 3) | ((c) << 2) |\
((d) << 1) | (sh))
#define tlbentry_addr_pack(vpn31_17,vpn11_10,asid,v) (((vpn31_17) << 11) |\
((vpn11_10) << 9) | ((asid) << 1) | (v))
#define vaddr_field_vpn11_10(e) (((e) >> 10) & B0011)
#define vaddr_field_vpn31_17(e) (((e) >> 17) & ((1 << 15) - 1))
/* */
/* From Figure 3.13 for TLB address and data array memory */
/* mapped access. Some of the macros are very similar to */
/* other previously defined macros, but using those would */
/* obfuscate. */
/* */
#define tlbaddrarray_addrfield_index(a) (((a) >> 12) & B00011111)
#define tlbaddrarray_addrfield_way(a) (((a) >> 8) & B0011)
#define tlbaddrarray_datafield_vpn31_17(d) (((d) >> 17) & ((1 << 15) - 1))
#define tlbaddrarray_datafield_vpn11_10(d) (((d) >> 10) & B0011)
#define tlbaddrarray_datafield_v(d) (((d) >> 8) & B0001)
#define tlbaddrarray_datafield_asid(d) ((d) & B11111111)
#define tlbdataarray_addrfield_index(a) (((a) >> 12) & B00011111)
#define tlbdataarray_addrfield_way(a) (((a) >> 8) & B0011)
#define tlbdataarray_datafield_ppn(d) (((d) >> 10) & ((1 << 19) - 1))
#define tlbdataarray_datafield_v(d) (((d) >> 8) & B0001)
#define tlbdataarray_datafield_pr(d) (((d) >> 5) & B0011)
#define tlbdataarray_datafield_sz(d) (((d) >> 4) & B0001)
#define tlbdataarray_datafield_c(d) (((d) >> 3) & B0001)
#define tlbdataarray_datafield_d(d) (((d) >> 2) & B0001)
#define tlbdataarray_datafield_sh(d) (((d) >> 1) & B0001)