fixes CLIC to match clicinfo description in CLIC spec 11.04.2023
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b493745cd7
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@ -356,7 +356,6 @@ protected:
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std::unordered_map<unsigned, rd_csr_f> csr_rd_cb;
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std::unordered_map<unsigned, wr_csr_f> csr_wr_cb;
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uint8_t clic_cfg_reg{0};
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uint32_t clic_info_reg{0};
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std::array<uint32_t, 32> clic_inttrig_reg;
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union clic_int_reg_t {
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struct{
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@ -521,7 +520,6 @@ riscv_hart_m_p<BASE, FEAT>::riscv_hart_m_p(feature_config cfg)
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csr_wr_cb[mintthresh] = &this_class::write_intthresh;
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clic_int_reg.resize(cfg.clic_num_irq, clic_int_reg_t{.raw=0});
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clic_cfg_reg=0x20;
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clic_info_reg = (/*CLICINTCTLBITS*/ 4U<<21) + cfg.clic_num_irq;
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clic_mact_lvl = clic_mprev_lvl = (1<<(cfg.clic_int_ctl_bits)) - 1;
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csr[mintthresh] = (1<<(cfg.clic_int_ctl_bits)) - 1;
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insert_mem_range(cfg.clic_base, 0x5000UL,
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@ -1178,8 +1176,6 @@ iss::status riscv_hart_m_p<BASE, FEAT>::read_clic(uint64_t addr, unsigned length
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if(addr==cfg.clic_base) { // cliccfg
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*data=clic_cfg_reg;
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for(auto i=1; i<length; ++i) *(data+i)=0;
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} else if(addr>=(cfg.clic_base+4) && (addr+length)<=(cfg.clic_base+8)){ // clicinfo
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read_reg_uint32(addr, clic_info_reg, data, length);
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} else if(addr>=(cfg.clic_base+0x40) && (addr+length)<=(cfg.clic_base+0x40+cfg.clic_num_trigger*4)){ // clicinttrig
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auto offset = ((addr&0x7fff)-0x40)/4;
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read_reg_uint32(addr, clic_inttrig_reg[offset], data, length);
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@ -1196,8 +1192,6 @@ template<typename BASE, features_e FEAT>
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iss::status riscv_hart_m_p<BASE, FEAT>::write_clic(uint64_t addr, unsigned length, const uint8_t *const data) {
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if(addr==cfg.clic_base) { // cliccfg
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clic_cfg_reg = (clic_cfg_reg&~0x1e) | (*data&0x1e);
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// } else if(addr>=(cfg.clic_base+4) && (addr+length)<=(cfg.clic_base+4)){ // clicinfo
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// write_uint32(addr, clic_info_reg, data, length);
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} else if(addr>=(cfg.clic_base+0x40) && (addr+length)<=(cfg.clic_base+0x40+cfg.clic_num_trigger*4)){ // clicinttrig
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auto offset = ((addr&0x7fff)-0x40)/4;
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write_reg_uint32(addr, clic_inttrig_reg[offset], data, length);
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@ -380,7 +380,6 @@ protected:
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std::unordered_map<unsigned, rd_csr_f> csr_rd_cb;
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std::unordered_map<unsigned, wr_csr_f> csr_wr_cb;
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uint8_t clic_cfg_reg{0};
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uint32_t clic_info_reg{0};
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std::array<uint32_t, 32> clic_inttrig_reg;
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union clic_int_reg_t {
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struct{
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@ -589,7 +588,6 @@ riscv_hart_mu_p<BASE, FEAT>::riscv_hart_mu_p(feature_config cfg)
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}
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clic_int_reg.resize(cfg.clic_num_irq, clic_int_reg_t{.raw=0});
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clic_cfg_reg=0x30;
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clic_info_reg = (/*CLICINTCTLBITS*/ 4U<<21) + cfg.clic_num_irq;
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clic_mact_lvl = clic_mprev_lvl = (1<<(cfg.clic_int_ctl_bits)) - 1;
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clic_uact_lvl = clic_uprev_lvl = (1<<(cfg.clic_int_ctl_bits)) - 1;
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csr[mintthresh] = (1<<(cfg.clic_int_ctl_bits)) - 1;
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@ -1387,8 +1385,6 @@ iss::status riscv_hart_mu_p<BASE, FEAT>::read_clic(uint64_t addr, unsigned lengt
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if(addr==cfg.clic_base) { // cliccfg
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*data=clic_cfg_reg;
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for(auto i=1; i<length; ++i) *(data+i)=0;
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} else if(addr>=(cfg.clic_base+4) && (addr+length)<=(cfg.clic_base+8)){ // clicinfo
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read_reg_uint32(addr, clic_info_reg, data, length);
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} else if(addr>=(cfg.clic_base+0x40) && (addr+length)<=(cfg.clic_base+0x40+cfg.clic_num_trigger*4)){ // clicinttrig
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auto offset = ((addr&0x7fff)-0x40)/4;
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read_reg_uint32(addr, clic_inttrig_reg[offset], data, length);
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@ -1405,8 +1401,6 @@ template<typename BASE, features_e FEAT>
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iss::status riscv_hart_mu_p<BASE, FEAT>::write_clic(uint64_t addr, unsigned length, const uint8_t *const data) {
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if(addr==cfg.clic_base) { // cliccfg
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clic_cfg_reg = (clic_cfg_reg&~0x1e) | (*data&0x1e);
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// } else if(addr>=(cfg.clic_base+4) && (addr+length)<=(cfg.clic_base+4)){ // clicinfo
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// write_uint32(addr, clic_info_reg, data, length);
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} else if(addr>=(cfg.clic_base+0x40) && (addr+length)<=(cfg.clic_base+0x40+cfg.clic_num_trigger*4)){ // clicinttrig
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auto offset = ((addr&0x7fff)-0x40)/4;
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write_reg_uint32(addr, clic_inttrig_reg[offset], data, length);
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