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author | Andrew Waterman <andrew@sifive.com> | 2022-09-20 14:35:28 -0700 |
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committer | GitHub <noreply@github.com> | 2022-09-20 14:35:28 -0700 |
commit | 326fa00f587c43f76d94acbeaed83ffba2e07d3b (patch) | |
tree | 1328145c71687481ab58a9a935cceb956c87d7b9 /riscv/processor.cc | |
parent | ccc9791807b59d848e7c8983cea49a16fb4a2912 (diff) | |
parent | 32e199cce48a7b837e026bf072b8fd1a8f9c62f6 (diff) | |
download | spike-326fa00f587c43f76d94acbeaed83ffba2e07d3b.zip spike-326fa00f587c43f76d94acbeaed83ffba2e07d3b.tar.gz spike-326fa00f587c43f76d94acbeaed83ffba2e07d3b.tar.bz2 |
Merge pull request #1036 from plctlab/plct-sscofpmf-dev
add support for sscofpmf extension v0.5.2
Diffstat (limited to 'riscv/processor.cc')
-rw-r--r-- | riscv/processor.cc | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/riscv/processor.cc b/riscv/processor.cc index 3d56abc..5ae6bbb 100644 --- a/riscv/processor.cc +++ b/riscv/processor.cc @@ -228,13 +228,15 @@ void state_t::reset(processor_t* const proc, reg_t max_isa) } for (reg_t i = 3; i <= 31; ++i) { const reg_t which_mevent = CSR_MHPMEVENT3 + i - 3; + const reg_t which_meventh = CSR_MHPMEVENT3H + i - 3; const reg_t which_mcounter = CSR_MHPMCOUNTER3 + i - 3; const reg_t which_mcounterh = CSR_MHPMCOUNTER3H + i - 3; const reg_t which_counter = CSR_HPMCOUNTER3 + i - 3; const reg_t which_counterh = CSR_HPMCOUNTER3H + i - 3; - auto mevent = std::make_shared<const_csr_t>(proc, which_mevent, 0); + const reg_t mevent_mask = proc->extension_enabled_const(EXT_SSCOFPMF) ? MHPMEVENT_VUINH | MHPMEVENT_VSINH | MHPMEVENTH_UINH | + MHPMEVENT_UINH | MHPMEVENT_MINH | MHPMEVENT_OF : 0; + mevent[i - 3] = std::make_shared<masked_csr_t>(proc, which_mevent, mevent_mask, 0); auto mcounter = std::make_shared<const_csr_t>(proc, which_mcounter, 0); - csrmap[which_mevent] = mevent; csrmap[which_mcounter] = mcounter; if (proc->extension_enabled_const(EXT_ZICNTR) && proc->extension_enabled_const(EXT_ZIHPM)) { @@ -242,21 +244,30 @@ void state_t::reset(processor_t* const proc, reg_t max_isa) csrmap[which_counter] = counter; } if (xlen == 32) { + csrmap[which_mevent] = std::make_shared<rv32_low_csr_t>(proc, which_mevent, mevent[i - 3]);; auto mcounterh = std::make_shared<const_csr_t>(proc, which_mcounterh, 0); csrmap[which_mcounterh] = mcounterh; if (proc->extension_enabled_const(EXT_ZICNTR) && proc->extension_enabled_const(EXT_ZIHPM)) { auto counterh = std::make_shared<counter_proxy_csr_t>(proc, which_counterh, mcounterh); csrmap[which_counterh] = counterh; } + if (proc->extension_enabled_const(EXT_SSCOFPMF)) { + auto meventh = std::make_shared<rv32_high_csr_t>(proc, which_meventh, mevent[i - 3]); + csrmap[which_meventh] = meventh; + } + } else { + csrmap[which_mevent] = mevent[i - 3]; } } csrmap[CSR_MCOUNTINHIBIT] = std::make_shared<const_csr_t>(proc, CSR_MCOUNTINHIBIT, 0); + if (proc->extension_enabled_const(EXT_SSCOFPMF)) + csrmap[CSR_SCOUNTOVF] = std::make_shared<scountovf_csr_t>(proc, CSR_SCOUNTOVF); csrmap[CSR_MIE] = mie = std::make_shared<mie_csr_t>(proc, CSR_MIE); csrmap[CSR_MIP] = mip = std::make_shared<mip_csr_t>(proc, CSR_MIP); auto sip_sie_accr = std::make_shared<generic_int_accessor_t>( this, ~MIP_HS_MASK, // read_mask - MIP_SSIP, // ip_write_mask + MIP_SSIP | MIP_LCOFIP, // ip_write_mask ~MIP_HS_MASK, // ie_write_mask generic_int_accessor_t::mask_mode_t::MIDELEG, 0 // shiftamt @@ -706,6 +717,8 @@ void processor_t::take_interrupt(reg_t pending_interrupts) enabled_interrupts = MIP_SSIP; else if (enabled_interrupts & MIP_STIP) enabled_interrupts = MIP_STIP; + else if (enabled_interrupts & MIP_LCOFIP) + enabled_interrupts = MIP_LCOFIP; else if (enabled_interrupts & MIP_VSEIP) enabled_interrupts = MIP_VSEIP; else if (enabled_interrupts & MIP_VSSIP) |