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adapt to privileged spec

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This commit is contained in:
Eyck Jentzsch
2022-03-31 20:33:12 +02:00
parent 8e4e702cb9
commit 00d2d06cbd
3 changed files with 9 additions and 37 deletions
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11
incl/iss/arch/riscv_hart_m_p.h
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@@ -314,7 +314,6 @@ protected:
iss::status read_ie(unsigned addr, reg_t &val);
iss::status write_ie(unsigned addr, reg_t val);
iss::status read_ip(unsigned addr, reg_t &val);
iss::status write_ip(unsigned addr, reg_t val);
iss::status read_hartid(unsigned addr, reg_t &val);
iss::status write_epc(unsigned addr, reg_t val);
iss::status write_intstatus(unsigned addr, reg_t val);
@@ -411,7 +410,7 @@ riscv_hart_m_p<BASE, FEAT>::riscv_hart_m_p()
csr_rd_cb[mtvec] = &this_class::read_tvec;
csr_wr_cb[mepc] = &this_class::write_epc;
csr_rd_cb[mip] = &this_class::read_ip;
csr_wr_cb[mip] = &this_class::write_ip;
csr_wr_cb[mip] = &this_class::write_null;
csr_rd_cb[mie] = &this_class::read_ie;
csr_wr_cb[mie] = &this_class::write_ie;
csr_rd_cb[mhartid] = &this_class::read_hartid;
@@ -906,14 +905,6 @@ template <typename BASE, features_e FEAT> iss::status riscv_hart_m_p<BASE, FEAT>
return iss::Ok;
}
template <typename BASE, features_e FEAT> iss::status riscv_hart_m_p<BASE, FEAT>::write_ip(unsigned addr, reg_t val) {
auto mask = get_irq_mask();
mask &= 0xf; // only xSIP is writable
csr[mip] = (csr[mip] & ~mask) | (val & mask);
check_interrupt();
return iss::Ok;
}
template <typename BASE, features_e FEAT> iss::status riscv_hart_m_p<BASE, FEAT>::write_epc(unsigned addr, reg_t val) {
csr[addr] = val & get_pc_mask();
return iss::Ok;

16
incl/iss/arch/riscv_hart_msu_vp.h
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@@ -400,7 +400,6 @@ private:
iss::status read_ie(unsigned addr, reg_t &val);
iss::status write_ie(unsigned addr, reg_t val);
iss::status read_ip(unsigned addr, reg_t &val);
iss::status write_ip(unsigned addr, reg_t val);
iss::status read_hartid(unsigned addr, reg_t &val);
iss::status write_epc(unsigned addr, reg_t val);
iss::status read_satp(unsigned addr, reg_t &val);
@@ -499,11 +498,11 @@ riscv_hart_msu_vp<BASE>::riscv_hart_msu_vp()
csr_wr_cb[sepc] = &this_class::write_epc;
csr_wr_cb[uepc] = &this_class::write_epc;
csr_rd_cb[mip] = &this_class::read_ip;
csr_wr_cb[mip] = &this_class::write_ip;
csr_wr_cb[mip] = &this_class::write_null;
csr_rd_cb[sip] = &this_class::read_ip;
csr_wr_cb[sip] = &this_class::write_ip;
csr_wr_cb[sip] = &this_class::write_null;
csr_rd_cb[uip] = &this_class::read_ip;
csr_wr_cb[uip] = &this_class::write_ip;
csr_wr_cb[uip] = &this_class::write_null;
csr_rd_cb[mie] = &this_class::read_ie;
csr_wr_cb[mie] = &this_class::write_ie;
csr_rd_cb[sie] = &this_class::read_ie;
@@ -959,15 +958,6 @@ template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::read_ip(unsigned a
return iss::Ok;
}
template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::write_ip(unsigned addr, reg_t val) {
auto req_priv_lvl = (addr >> 8) & 0x3;
auto mask = get_irq_mask(req_priv_lvl);
mask &= ~(1 << 7); // MTIP is read only
csr[mip] = (csr[mip] & ~mask) | (val & mask);
check_interrupt();
return iss::Ok;
}
template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::write_epc(unsigned addr, reg_t val) {
csr[addr] = val & get_pc_mask();
return iss::Ok;

19
incl/iss/arch/riscv_hart_mu_p.h
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@@ -329,7 +329,6 @@ protected:
iss::status read_ie(unsigned addr, reg_t &val);
iss::status write_ie(unsigned addr, reg_t val);
iss::status read_ip(unsigned addr, reg_t &val);
iss::status write_ip(unsigned addr, reg_t val);
iss::status write_ideleg(unsigned addr, reg_t val);
iss::status write_edeleg(unsigned addr, reg_t val);
iss::status read_hartid(unsigned addr, reg_t &val);
@@ -432,7 +431,7 @@ riscv_hart_mu_p<BASE, FEAT>::riscv_hart_mu_p(feature_config cfg)
csr_rd_cb[mtvec] = &this_class::read_tvec;
csr_wr_cb[mepc] = &this_class::write_epc;
csr_rd_cb[mip] = &this_class::read_ip;
csr_wr_cb[mip] = &this_class::write_ip;
csr_wr_cb[mip] = &this_class::write_null;
csr_rd_cb[mie] = &this_class::read_ie;
csr_wr_cb[mie] = &this_class::write_ie;
csr_rd_cb[mhartid] = &this_class::read_hartid;
@@ -461,7 +460,7 @@ riscv_hart_mu_p<BASE, FEAT>::riscv_hart_mu_p(feature_config cfg)
csr_rd_cb[uie] = &this_class::read_ie;
csr_wr_cb[uie] = &this_class::write_ie;
csr_rd_cb[uip] = &this_class::read_ip;
csr_wr_cb[uip] = &this_class::write_ip;
csr_wr_cb[uip] = &this_class::write_null;
csr_wr_cb[uepc] = &this_class::write_epc;
csr_rd_cb[ustatus] = &this_class::read_status;
csr_wr_cb[ustatus] = &this_class::write_status;
@@ -1062,14 +1061,6 @@ template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT
return iss::Ok;
}
template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::write_ip(unsigned addr, reg_t val) {
auto mask = get_irq_mask((addr >> 8) & 0x3);
mask &= 0xf; // only xSIP is writable
csr[mip] = (csr[mip] & ~mask) | (val & mask);
check_interrupt();
return iss::Ok;
}
template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::write_ideleg(unsigned addr, reg_t val) {
auto mask = 0b000100010001; // only U mode supported
csr[mideleg] = (csr[mideleg] & ~mask) | (val & mask);
@@ -1244,7 +1235,7 @@ iss::status riscv_hart_mu_p<BASE, FEAT>::read_clic(uint64_t addr, unsigned lengt
} else if(addr>=(cfg.clic_base+0x40) && (addr+length)<=(cfg.clic_base+0x40+cfg.clic_num_trigger*4)){ // clicinttrig
auto offset = ((addr&0x7fff)-0x40)/4;
read_reg_uint32(addr, clic_inttrig_reg[offset], data, length);
} else if(addr>=(cfg.clic_base+0x1000) && (addr+length)<=(cfg.clic_base+cfg.clic_num_irq*4)){ // clicintip/clicintie/clicintattr/clicintctl
} else if(addr>=(cfg.clic_base+0x1000) && (addr+length)<=(cfg.clic_base+0x1000+cfg.clic_num_irq*4)){ // clicintip/clicintie/clicintattr/clicintctl
auto offset = ((addr&0x7fff)-0x1000)/4;
read_reg_uint32(addr, clic_int_reg[offset].raw, data, length);
} else {
@@ -1260,10 +1251,10 @@ iss::status riscv_hart_mu_p<BASE, FEAT>::write_clic(uint64_t addr, unsigned leng
clic_cfg_reg&= 0x7e;
// } else if(addr>=(cfg.clic_base+4) && (addr+length)<=(cfg.clic_base+4)){ // clicinfo
// write_uint32(addr, clic_info_reg, data, length);
} else if(addr>=(cfg.clic_base+0x40) && (addr+length)<=(cfg.clic_base+0xC0)){ // clicinttrig
} else if(addr>=(cfg.clic_base+0x40) && (addr+length)<=(cfg.clic_base+0x40+cfg.clic_num_trigger*4)){ // clicinttrig
auto offset = ((addr&0x7fff)-0x40)/4;
write_reg_uint32(addr, clic_inttrig_reg[offset], data, length);
} else if(addr>=(cfg.clic_base+0x1000) && (addr+length)<=(cfg.clic_base+cfg.clic_num_irq*4)){ // clicintip/clicintie/clicintattr/clicintctl
} else if(addr>=(cfg.clic_base+0x1000) && (addr+length)<=(cfg.clic_base+0x1000+cfg.clic_num_irq*4)){ // clicintip/clicintie/clicintattr/clicintctl
auto offset = ((addr&0x7fff)-0x1000)/4;
write_reg_uint32(addr, clic_int_reg[offset].raw, data, length);
}