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ab348b0982
Follow the Svukte spec, do the memory access address checking 1. Include instruction fetches or explicit memory accesses 2. System run in effective privilege U or VU 3. Check senvcfg[UKTE] being set, or hstatus[HUKTE] being set if instruction is HLV, HLVX, HSV and execute from U mode to VU mode 4. Depend on Sv39 and check virtual addresses bit[SXLEN-1] 5. Raises a page-fault exception corresponding to the original access type. Ref: https://github.com/riscv/riscv-isa-manual/pull/1564/files Signed-off-by: Frank Chang <frank.chang@sifive.com> Signed-off-by: Fea.Wang <fea.wang@sifive.com> Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Reviewed-by: Jim Shu <jim.shu@sifive.com> Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-ID: <20241203034932.25185-5-fea.wang@sifive.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com> |
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| meson.build | ||