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| author | xinyuwang-sifive <1047913839@qq.com> | 2024-04-10 17:15:29 +0800 |
|---|---|---|
| committer | Jerry Zhao <jerryz123@berkeley.edu> | 2024-04-29 13:30:07 -0700 |
| commit | 10b97370eb588da957fd2fbfc8155261100d13bf (patch) | |
| tree | 97aaded9540f22636995b363bbc22507d575cd07 /riscv/csrs.cc | |
| parent | b3bcc127f0d6d39607f1d081191a678c2956b736 (diff) | |
| download | riscv-isa-sim-10b97370eb588da957fd2fbfc8155261100d13bf.zip riscv-isa-sim-10b97370eb588da957fd2fbfc8155261100d13bf.tar.gz riscv-isa-sim-10b97370eb588da957fd2fbfc8155261100d13bf.tar.bz2 | |
add hlvx pmp protect to fix issue 1557
Diffstat (limited to 'riscv/csrs.cc')
| -rw-r--r-- | riscv/csrs.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/riscv/csrs.cc b/riscv/csrs.cc index 2bd8b0d..31e05f2 100644 --- a/riscv/csrs.cc +++ b/riscv/csrs.cc @@ -180,7 +180,7 @@ bool pmpaddr_csr_t::subset_match(reg_t addr, reg_t len) const noexcept { return !(is_tor ? tor_homogeneous : napot_homogeneous); } -bool pmpaddr_csr_t::access_ok(access_type type, reg_t mode) const noexcept { +bool pmpaddr_csr_t::access_ok(access_type type, reg_t mode, bool hlvx) const noexcept { const bool cfgx = cfg & PMP_X; const bool cfgw = cfg & PMP_W; const bool cfgr = cfg & PMP_R; @@ -191,7 +191,7 @@ bool pmpaddr_csr_t::access_ok(access_type type, reg_t mode) const noexcept { const bool typer = type == LOAD; const bool typex = type == FETCH; const bool typew = type == STORE; - const bool normal_rwx = (typer && cfgr) || (typew && cfgw) || (typex && cfgx); + const bool normal_rwx = (typer && cfgr && (!hlvx || cfgx)) || (typew && cfgw) || (typex && cfgx); const bool mseccfg_mml = state->mseccfg->get_mml(); if (mseccfg_mml) { |