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SH7708 数据表(PDF) 97 Page - Renesas Technology Corp |
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SH7708 数据表(HTML) 97 Page - Renesas Technology Corp |
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97 / 633 page ![]() 79 VPN 31 23 11110010 * * 16 (1) TLB Address Array Access Read access W 0 * VPN * 31 23 24 24 17 17 17 11110010 * ** * 16 Write access Read/write access W 60 * * A VPN 31 23 24 11110011 * * 16 17 Address field W 0 * * 31 Data field 10 PPN 8 9 7 654 3 2 1 0 X V XX VPN 31 16 Data field (2) TLB Data Array Access 12 10 11 8 97 12 10 11 8 97 12 10 11 8 97 12 10 11 8 97 6 * 0 0 ASID 0V VPN 0 0 17 VPN 16 12 10 11 VPN 31 ASID 8 97 0 * V D C SH PR SZ VPN: V: A: W: Virtual page number Valid bit Association bit Way (00: Way 0, 01: Way 1, 10: Way 2, 11: Way 3) ASID: : Address space identifier Don’t care bit PPN: PR: C: SH: VPN: X: W: Physical page number Protection key field Cacheable bit Share status bit Virtual page number 0 for read, don’t care bit for write Way (00: Way 0, 01: Way 1, 10: Way 2, 11: Way 3) V: SZ: D: : Valid bit Page size bit Dirty bit Don’t care bit Address field Data field Address field * * * * * * * Figure 3.14 Specifying Address and Data for Memory-Mapped TLB Access |
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