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cleans up priv wrappers

This commit is contained in:
Eyck Jentzsch 2022-10-05 08:58:57 +02:00
parent b20fd3eba5
commit a977200284
3 changed files with 46 additions and 84 deletions
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86
src/iss/arch/riscv_hart_m_p.h
View File

@ -182,7 +182,7 @@ public:
return traits<BASE>::MISA_VAL&0b0100?~1:~3; return traits<BASE>::MISA_VAL&0b0100?~1:~3;
} }
riscv_hart_m_p(); riscv_hart_m_p(feature_config cfg = feature_config{});
virtual ~riscv_hart_m_p() = default; virtual ~riscv_hart_m_p() = default;
void reset(uint64_t address) override; void reset(uint64_t address) override;
@ -194,9 +194,9 @@ public:
iss::status write(const address_type type, const access_type access, const uint32_t space, iss::status write(const address_type type, const access_type access, const uint32_t space,
const uint64_t addr, const unsigned length, const uint8_t *const data) override; const uint64_t addr, const unsigned length, const uint8_t *const data) override;
virtual uint64_t enter_trap(uint64_t flags) override { return riscv_hart_m_p::enter_trap(flags, fault_data, fault_data); } uint64_t enter_trap(uint64_t flags) override { return riscv_hart_m_p::enter_trap(flags, fault_data, fault_data); }
virtual uint64_t enter_trap(uint64_t flags, uint64_t addr, uint64_t instr) override; uint64_t enter_trap(uint64_t flags, uint64_t addr, uint64_t instr) override;
virtual uint64_t leave_trap(uint64_t flags) override; uint64_t leave_trap(uint64_t flags) override;
const reg_t& get_mhartid() const { return mhartid_reg; } const reg_t& get_mhartid() const { return mhartid_reg; }
void set_mhartid(reg_t mhartid) { mhartid_reg = mhartid; }; void set_mhartid(reg_t mhartid) { mhartid_reg = mhartid; };
@ -208,14 +208,6 @@ public:
iss::instrumentation_if *get_instrumentation_if() override { return &instr_if; } iss::instrumentation_if *get_instrumentation_if() override { return &instr_if; }
void setMemReadCb(std::function<iss::status(phys_addr_t, unsigned, uint8_t* const)> const& memReadCb) {
mem_read_cb = memReadCb;
}
void setMemWriteCb(std::function<iss::status(phys_addr_t, unsigned, const uint8_t* const)> const& memWriteCb) {
mem_write_cb = memWriteCb;
}
void set_csr(unsigned addr, reg_t val){ void set_csr(unsigned addr, reg_t val){
csr[addr & csr.page_addr_mask] = val; csr[addr & csr.page_addr_mask] = val;
} }
@ -337,8 +329,6 @@ protected:
} }
reg_t mhartid_reg{0x0}; reg_t mhartid_reg{0x0};
std::function<iss::status(phys_addr_t, unsigned, uint8_t *const)>mem_read_cb;
std::function<iss::status(phys_addr_t, unsigned, const uint8_t *const)> mem_write_cb;
void check_interrupt(); void check_interrupt();
bool pmp_check(const access_type type, const uint64_t addr, const unsigned len); bool pmp_check(const access_type type, const uint64_t addr, const unsigned len);
@ -346,23 +336,22 @@ protected:
std::vector<std::function<mem_read_f>> memfn_read; std::vector<std::function<mem_read_f>> memfn_read;
std::vector<std::function<mem_write_f>> memfn_write; std::vector<std::function<mem_write_f>> memfn_write;
void insert_mem_range(uint64_t, uint64_t, std::function<mem_read_f>, std::function<mem_write_f>); void insert_mem_range(uint64_t, uint64_t, std::function<mem_read_f>, std::function<mem_write_f>);
uint64_t clic_base_addr{0}; feature_config cfg;
unsigned clic_num_irq{0};
unsigned clic_num_trigger{0};
unsigned mcause_max_irq{16}; unsigned mcause_max_irq{16};
inline bool debug_mode_active() {return this->reg.PRIV&0x4;} inline bool debug_mode_active() {return this->reg.PRIV&0x4;}
}; };
template <typename BASE, features_e FEAT> template <typename BASE, features_e FEAT>
riscv_hart_m_p<BASE, FEAT>::riscv_hart_m_p() riscv_hart_m_p<BASE, FEAT>::riscv_hart_m_p(feature_config cfg)
: state() : state()
, instr_if(*this) { , instr_if(*this)
, cfg(cfg) {
// reset values // reset values
csr[misa] = traits<BASE>::MISA_VAL; csr[misa] = traits<BASE>::MISA_VAL;
csr[mvendorid] = 0x669; csr[mvendorid] = 0x669;
csr[marchid] = traits<BASE>::MARCHID_VAL; csr[marchid] = traits<BASE>::MARCHID_VAL;
csr[mimpid] = 1; csr[mimpid] = 1;
csr[mclicbase] = 0xc0000000; // TODO: should be taken from YAML file csr[mclicbase] = cfg.clic_base; // TODO: should be taken from YAML file
uart_buf.str(""); uart_buf.str("");
for (unsigned addr = mhpmcounter3; addr <= mhpmcounter31; ++addr){ for (unsigned addr = mhpmcounter3; addr <= mhpmcounter31; ++addr){
@ -385,7 +374,10 @@ riscv_hart_m_p<BASE, FEAT>::riscv_hart_m_p()
//csr_wr_cb[addr] = &this_class::write_csr_reg; //csr_wr_cb[addr] = &this_class::write_csr_reg;
} }
// common regs // common regs
const std::array<unsigned, 10> addrs{{misa, mvendorid, marchid, mimpid, mepc, mtvec, mscratch, mcause, mtval, mscratch}}; const std::array<unsigned, 9> addrs{{
misa, mvendorid, marchid, mimpid,
mepc, mtvec, mscratch, mcause, mtval
}};
for(auto addr: addrs) { for(auto addr: addrs) {
csr_rd_cb[addr] = &this_class::read_csr_reg; csr_rd_cb[addr] = &this_class::read_csr_reg;
csr_wr_cb[addr] = &this_class::write_csr_reg; csr_wr_cb[addr] = &this_class::write_csr_reg;
@ -416,6 +408,8 @@ riscv_hart_m_p<BASE, FEAT>::riscv_hart_m_p()
csr_rd_cb[mie] = &this_class::read_ie; csr_rd_cb[mie] = &this_class::read_ie;
csr_wr_cb[mie] = &this_class::write_ie; csr_wr_cb[mie] = &this_class::write_ie;
csr_rd_cb[mhartid] = &this_class::read_hartid; csr_rd_cb[mhartid] = &this_class::read_hartid;
csr_rd_cb[mcounteren] = &this_class::read_null;
csr_wr_cb[mcounteren] = &this_class::write_null;
csr_wr_cb[misa] = &this_class::write_null; csr_wr_cb[misa] = &this_class::write_null;
csr_wr_cb[mvendorid] = &this_class::write_null; csr_wr_cb[mvendorid] = &this_class::write_null;
csr_wr_cb[marchid] = &this_class::write_null; csr_wr_cb[marchid] = &this_class::write_null;
@ -436,29 +430,27 @@ riscv_hart_m_p<BASE, FEAT>::riscv_hart_m_p()
csr_rd_cb[mclicbase] = &this_class::read_csr_reg; csr_rd_cb[mclicbase] = &this_class::read_csr_reg;
csr_wr_cb[mclicbase] = &this_class::write_null; csr_wr_cb[mclicbase] = &this_class::write_null;
clic_base_addr=0xC0000000; clic_int_reg.resize(cfg.clic_num_irq, clic_int_reg_t{.raw=0});
clic_num_irq=16;
clic_int_reg.resize(clic_num_irq);
clic_cfg_reg=0x20; clic_cfg_reg=0x20;
clic_info_reg = (/*CLICINTCTLBITS*/ 4U<<21) + clic_num_irq; clic_info_reg = (/*CLICINTCTLBITS*/ 4U<<21) + cfg.clic_num_irq;
mcause_max_irq=clic_num_irq+16; mcause_max_irq=cfg.clic_num_irq+16;
insert_mem_range(clic_base_addr, 0x5000UL, insert_mem_range(cfg.clic_base, 0x5000UL,
[this](phys_addr_t addr, unsigned length, uint8_t * const data) { return read_clic(addr.val, length, data);}, [this](phys_addr_t addr, unsigned length, uint8_t * const data) { return read_clic(addr.val, length, data);},
[this](phys_addr_t addr, unsigned length, uint8_t const * const data) {return write_clic(addr.val, length, data);}); [this](phys_addr_t addr, unsigned length, uint8_t const * const data) {return write_clic(addr.val, length, data);});
} }
if(FEAT & FEAT_TCM) { if(FEAT & FEAT_TCM) {
tcm.resize(0x8000); tcm.resize(cfg.tcm_size);
std::function<mem_read_f> read_clic_cb = [this](phys_addr_t addr, unsigned length, uint8_t * const data) { std::function<mem_read_f> read_clic_cb = [this](phys_addr_t addr, unsigned length, uint8_t * const data) {
auto offset=addr.val-0x10000000; auto offset=addr.val-this->cfg.tcm_base;
std::copy(tcm.data() + offset, tcm.data() + offset + length, data); std::copy(tcm.data() + offset, tcm.data() + offset + length, data);
return iss::Ok; return iss::Ok;
}; };
std::function<mem_write_f> write_clic_cb = [this](phys_addr_t addr, unsigned length, uint8_t const * const data) { std::function<mem_write_f> write_clic_cb = [this](phys_addr_t addr, unsigned length, uint8_t const * const data) {
auto offset=addr.val-0x10000000; auto offset=addr.val-this->cfg.tcm_base;
std::copy(data, data + length, tcm.data() + offset); std::copy(data, data + length, tcm.data() + offset);
return iss::Ok; return iss::Ok;
}; };
insert_mem_range(0x10000000, 0x8000UL, read_clic_cb, write_clic_cb); insert_mem_range(cfg.tcm_base, cfg.tcm_size, read_clic_cb, write_clic_cb);
} }
if(FEAT & FEAT_DEBUG){ if(FEAT & FEAT_DEBUG){
csr_wr_cb[dscratch0] = &this_class::write_dcsr_reg; csr_wr_cb[dscratch0] = &this_class::write_dcsr_reg;
@ -582,7 +574,7 @@ iss::status riscv_hart_m_p<BASE, FEAT>::read(const address_type type, const acce
} }
auto phys_addr = type==iss::address_type::PHYSICAL?phys_addr_t{access, space, addr}:BASE::v2p(iss::addr_t{access, type, space, addr}); auto phys_addr = type==iss::address_type::PHYSICAL?phys_addr_t{access, space, addr}:BASE::v2p(iss::addr_t{access, type, space, addr});
auto res = iss::Err; auto res = iss::Err;
if(!is_fetch(access) && memfn_range.size()){ if(access != access_type::FETCH && memfn_range.size()){
auto it = std::find_if(std::begin(memfn_range), std::end(memfn_range), [phys_addr](std::tuple<uint64_t, uint64_t> const& a){ auto it = std::find_if(std::begin(memfn_range), std::end(memfn_range), [phys_addr](std::tuple<uint64_t, uint64_t> const& a){
return std::get<0>(a)<=phys_addr.val && (std::get<0>(a)+std::get<1>(a))>phys_addr.val; return std::get<0>(a)<=phys_addr.val && (std::get<0>(a)+std::get<1>(a))>phys_addr.val;
}); });
@ -863,7 +855,7 @@ template <typename BASE, features_e FEAT> iss::status riscv_hart_m_p<BASE, FEAT>
} }
template <typename BASE, features_e FEAT> iss::status riscv_hart_m_p<BASE, FEAT>::read_tvec(unsigned addr, reg_t &val) { template <typename BASE, features_e FEAT> iss::status riscv_hart_m_p<BASE, FEAT>::read_tvec(unsigned addr, reg_t &val) {
val = csr[mtvec] & ~2; val = csr[addr] & ~2;
return iss::Ok; return iss::Ok;
} }
@ -879,7 +871,7 @@ template <typename BASE, features_e FEAT> iss::status riscv_hart_m_p<BASE, FEAT>
} }
template <typename BASE, features_e FEAT> iss::status riscv_hart_m_p<BASE, FEAT>::write_cause(unsigned addr, reg_t val) { template <typename BASE, features_e FEAT> iss::status riscv_hart_m_p<BASE, FEAT>::write_cause(unsigned addr, reg_t val) {
csr[mcause] = val & ((1UL<<(traits<BASE>::XLEN-1))| (mcause_max_irq-1)); csr[addr] = val & ((1UL<<(traits<BASE>::XLEN-1))| (mcause_max_irq-1));
return iss::Ok; return iss::Ok;
} }
@ -959,7 +951,6 @@ iss::status riscv_hart_m_p<BASE, FEAT>::write_intthresh(unsigned addr, reg_t val
template <typename BASE, features_e FEAT> template <typename BASE, features_e FEAT>
iss::status riscv_hart_m_p<BASE, FEAT>::read_mem(phys_addr_t paddr, unsigned length, uint8_t *const data) { iss::status riscv_hart_m_p<BASE, FEAT>::read_mem(phys_addr_t paddr, unsigned length, uint8_t *const data) {
if(mem_read_cb) return mem_read_cb(paddr, length, data);
switch (paddr.val) { switch (paddr.val) {
case 0x0200BFF8: { // CLINT base, mtime reg case 0x0200BFF8: { // CLINT base, mtime reg
if (sizeof(reg_t) < length) return iss::Err; if (sizeof(reg_t) < length) return iss::Err;
@ -984,14 +975,12 @@ iss::status riscv_hart_m_p<BASE, FEAT>::read_mem(phys_addr_t paddr, unsigned len
template <typename BASE, features_e FEAT> template <typename BASE, features_e FEAT>
iss::status riscv_hart_m_p<BASE, FEAT>::write_mem(phys_addr_t paddr, unsigned length, const uint8_t *const data) { iss::status riscv_hart_m_p<BASE, FEAT>::write_mem(phys_addr_t paddr, unsigned length, const uint8_t *const data) {
if(mem_write_cb) return mem_write_cb(paddr, length, data);
switch (paddr.val) { switch (paddr.val) {
case 0x10013000: // UART0 base, TXFIFO reg case 0x10013000: // UART0 base, TXFIFO reg
case 0x10023000: // UART1 base, TXFIFO reg case 0x10023000: // UART1 base, TXFIFO reg
uart_buf << (char)data[0]; uart_buf << (char)data[0];
if (((char)data[0]) == '\n' || data[0] == 0) { if (((char)data[0]) == '\n' || data[0] == 0) {
// LOG(INFO)<<"UART"<<((paddr.val>>16)&0x3)<<" send LOG(INFO)<<"UART"<<((paddr.val>>16)&0x3)<<" send '"<<uart_buf.str()<<"'";
// '"<<uart_buf.str()<<"'";
std::cout << uart_buf.str(); std::cout << uart_buf.str();
uart_buf.str(""); uart_buf.str("");
} }
@ -1062,15 +1051,15 @@ iss::status riscv_hart_m_p<BASE, FEAT>::write_mem(phys_addr_t paddr, unsigned le
template<typename BASE, features_e FEAT> template<typename BASE, features_e FEAT>
iss::status riscv_hart_m_p<BASE, FEAT>::read_clic(uint64_t addr, unsigned length, uint8_t *const data) { iss::status riscv_hart_m_p<BASE, FEAT>::read_clic(uint64_t addr, unsigned length, uint8_t *const data) {
if(addr==clic_base_addr) { // cliccfg if(addr==cfg.clic_base) { // cliccfg
*data=clic_cfg_reg; *data=clic_cfg_reg;
for(auto i=1; i<length; ++i) *(data+i)=0; for(auto i=1; i<length; ++i) *(data+i)=0;
} else if(addr>=(clic_base_addr+4) && (addr+length)<=(clic_base_addr+8)){ // clicinfo } else if(addr>=(cfg.clic_base+4) && (addr+length)<=(cfg.clic_base+8)){ // clicinfo
read_reg_uint32(addr, clic_info_reg, data, length); read_reg_uint32(addr, clic_info_reg, data, length);
} else if(addr>=(clic_base_addr+0x40) && (addr+length)<=(clic_base_addr+0x40+clic_num_trigger*4)){ // 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; auto offset = ((addr&0x7fff)-0x40)/4;
read_reg_uint32(addr, clic_inttrig_reg[offset], data, length); read_reg_uint32(addr, clic_inttrig_reg[offset], data, length);
} else if(addr>=(clic_base_addr+0x1000) && (addr+length)<=(clic_base_addr+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; auto offset = ((addr&0x7fff)-0x1000)/4;
read_reg_uint32(addr, clic_int_reg[offset].raw, data, length); read_reg_uint32(addr, clic_int_reg[offset].raw, data, length);
} else { } else {
@ -1081,17 +1070,18 @@ iss::status riscv_hart_m_p<BASE, FEAT>::read_clic(uint64_t addr, unsigned length
template<typename BASE, features_e FEAT> template<typename BASE, features_e FEAT>
iss::status riscv_hart_m_p<BASE, FEAT>::write_clic(uint64_t addr, unsigned length, const uint8_t *const data) { iss::status riscv_hart_m_p<BASE, FEAT>::write_clic(uint64_t addr, unsigned length, const uint8_t *const data) {
if(addr==clic_base_addr) { // cliccfg if(addr==cfg.clic_base) { // cliccfg
clic_cfg_reg = *data; clic_cfg_reg = *data;
clic_cfg_reg&= 0x7e; clic_cfg_reg&= 0x7e;
// } else if(addr>=(clic_base_addr+4) && (addr+length)<=(clic_base_addr+4)){ // clicinfo // } else if(addr>=(cfg.clic_base+4) && (addr+length)<=(cfg.clic_base+4)){ // clicinfo
// write_uint32(addr, clic_info_reg, data, length); // write_uint32(addr, clic_info_reg, data, length);
} else if(addr>=(clic_base_addr+0x40) && (addr+length)<=(clic_base_addr+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; auto offset = ((addr&0x7fff)-0x40)/4;
write_reg_uint32(addr, clic_inttrig_reg[offset], data, length); write_reg_uint32(addr, clic_inttrig_reg[offset], data, length);
} else if(addr>=(clic_base_addr+0x1000) && (addr+length)<=(clic_base_addr+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; auto offset = ((addr&0x7fff)-0x1000)/4;
write_reg_uint32(addr, clic_int_reg[offset].raw, data, length); write_reg_uint32(addr, clic_int_reg[offset].raw, data, length);
clic_int_reg[offset].raw &= 0xf0c70101; // clicIntCtlBits->0xf0, clicintattr->0xc7, clicintie->0x1, clicintip->0x1
} }
return iss::Ok; return iss::Ok;
} }
@ -1109,8 +1099,8 @@ template <typename BASE, features_e FEAT> void riscv_hart_m_p<BASE, FEAT>::check
// any synchronous traps. // any synchronous traps.
auto ena_irq = csr[mip] & csr[mie]; auto ena_irq = csr[mip] & csr[mie];
bool mie = state.mstatus.MIE; bool mstatus_mie = state.mstatus.MIE;
auto m_enabled = this->reg.PRIV < PRIV_M || (this->reg.PRIV == PRIV_M && mie); auto m_enabled = this->reg.PRIV < PRIV_M || mstatus_mie;
auto enabled_interrupts = m_enabled ? ena_irq : 0; auto enabled_interrupts = m_enabled ? ena_irq : 0;
if (enabled_interrupts != 0) { if (enabled_interrupts != 0) {

12
src/iss/arch/riscv_hart_msu_vp.h
View File

@ -312,14 +312,6 @@ public:
iss::instrumentation_if *get_instrumentation_if() override { return &instr_if; } iss::instrumentation_if *get_instrumentation_if() override { return &instr_if; }
void setMemReadCb(std::function<iss::status(phys_addr_t, unsigned, uint8_t* const)> const& memReadCb) {
mem_read_cb = memReadCb;
}
void setMemWriteCb(std::function<iss::status(phys_addr_t, unsigned, const uint8_t* const)> const& memWriteCb) {
mem_write_cb = memWriteCb;
}
void set_csr(unsigned addr, reg_t val){ void set_csr(unsigned addr, reg_t val){
csr[addr & csr.page_addr_mask] = val; csr[addr & csr.page_addr_mask] = val;
} }
@ -422,8 +414,6 @@ private:
} }
reg_t mhartid_reg{0x0}; reg_t mhartid_reg{0x0};
std::function<iss::status(phys_addr_t, unsigned, uint8_t *const)>mem_read_cb;
std::function<iss::status(phys_addr_t, unsigned, const uint8_t *const)> mem_write_cb;
protected: protected:
void check_interrupt(); void check_interrupt();
@ -1031,7 +1021,6 @@ template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::write_fcsr(unsigne
template <typename BASE> template <typename BASE>
iss::status riscv_hart_msu_vp<BASE>::read_mem(phys_addr_t paddr, unsigned length, uint8_t *const data) { iss::status riscv_hart_msu_vp<BASE>::read_mem(phys_addr_t paddr, unsigned length, uint8_t *const data) {
if(mem_read_cb) return mem_read_cb(paddr, length, data);
switch (paddr.val) { switch (paddr.val) {
case 0x0200BFF8: { // CLINT base, mtime reg case 0x0200BFF8: { // CLINT base, mtime reg
if (sizeof(reg_t) < length) return iss::Err; if (sizeof(reg_t) < length) return iss::Err;
@ -1056,7 +1045,6 @@ iss::status riscv_hart_msu_vp<BASE>::read_mem(phys_addr_t paddr, unsigned length
template <typename BASE> template <typename BASE>
iss::status riscv_hart_msu_vp<BASE>::write_mem(phys_addr_t paddr, unsigned length, const uint8_t *const data) { iss::status riscv_hart_msu_vp<BASE>::write_mem(phys_addr_t paddr, unsigned length, const uint8_t *const data) {
if(mem_write_cb) return mem_write_cb(paddr, length, data);
switch (paddr.val) { switch (paddr.val) {
case 0x10013000: // UART0 base, TXFIFO reg case 0x10013000: // UART0 base, TXFIFO reg
case 0x10023000: // UART1 base, TXFIFO reg case 0x10023000: // UART1 base, TXFIFO reg

32
src/iss/arch/riscv_hart_mu_p.h
View File

@ -223,14 +223,6 @@ public:
iss::instrumentation_if *get_instrumentation_if() override { return &instr_if; } iss::instrumentation_if *get_instrumentation_if() override { return &instr_if; }
void setMemReadCb(std::function<iss::status(phys_addr_t, unsigned, uint8_t* const)> const& memReadCb) {
mem_read_cb = memReadCb;
}
void setMemWriteCb(std::function<iss::status(phys_addr_t, unsigned, const uint8_t* const)> const& memWriteCb) {
mem_write_cb = memWriteCb;
}
void set_csr(unsigned addr, reg_t val){ void set_csr(unsigned addr, reg_t val){
csr[addr & csr.page_addr_mask] = val; csr[addr & csr.page_addr_mask] = val;
} }
@ -250,26 +242,24 @@ protected:
*/ */
const std::string core_type_name() const override { return traits<BASE>::core_type; } const std::string core_type_name() const override { return traits<BASE>::core_type; }
virtual uint64_t get_pc() { return arch.get_pc(); }; uint64_t get_pc() override { return arch.reg.PC; };
virtual uint64_t get_next_pc() { return arch.get_next_pc(); }; uint64_t get_next_pc() override { return arch.reg.NEXT_PC; };
uint64_t get_instr_word() override { return arch.instruction; } uint64_t get_instr_word() override { return arch.instruction; }
uint64_t get_instr_count() { return arch.icount; } uint64_t get_instr_count() override { return arch.icount; }
uint64_t get_pendig_traps() override { return arch.trap_state; } uint64_t get_pendig_traps() override { return arch.trap_state; }
uint64_t get_total_cycles() override { return arch.icount + arch.cycle_offset; } uint64_t get_total_cycles() override { return arch.icount + arch.cycle_offset; }
virtual void set_curr_instr_cycles(unsigned cycles) { arch.cycle_offset += cycles - 1; }; void set_curr_instr_cycles(unsigned cycles) override { arch.cycle_offset += cycles - 1; };
riscv_hart_mu_p<BASE, FEAT> &arch; riscv_hart_mu_p<BASE, FEAT> &arch;
}; };
friend struct riscv_instrumentation_if; friend struct riscv_instrumentation_if;
addr_t get_pc() { return this->reg.PC; }
addr_t get_next_pc() { return this->reg.NEXT_PC; }
virtual iss::status read_mem(phys_addr_t addr, unsigned length, uint8_t *const data); virtual iss::status read_mem(phys_addr_t addr, unsigned length, uint8_t *const data);
virtual iss::status write_mem(phys_addr_t addr, unsigned length, const uint8_t *const data); virtual iss::status write_mem(phys_addr_t addr, unsigned length, const uint8_t *const data);
@ -357,8 +347,6 @@ protected:
} }
reg_t mhartid_reg{0x0}; reg_t mhartid_reg{0x0};
std::function<iss::status(phys_addr_t, unsigned, uint8_t *const)>mem_read_cb;
std::function<iss::status(phys_addr_t, unsigned, const uint8_t *const)> mem_write_cb;
void check_interrupt(); void check_interrupt();
bool pmp_check(const access_type type, const uint64_t addr, const unsigned len); bool pmp_check(const access_type type, const uint64_t addr, const unsigned len);
@ -1020,14 +1008,12 @@ template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT
return iss::Ok; return iss::Ok;
} }
template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::read_status(unsigned addr, reg_t &val) { template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::read_status(unsigned addr, reg_t &val) {
auto req_priv_lvl = (addr >> 8) & 0x3; val = state.mstatus & hart_state_type::get_mask((addr >> 8) & 0x3);
val = state.mstatus & hart_state_type::get_mask(req_priv_lvl);
return iss::Ok; return iss::Ok;
} }
template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::write_status(unsigned addr, reg_t val) { template <typename BASE, features_e FEAT> iss::status riscv_hart_mu_p<BASE, FEAT>::write_status(unsigned addr, reg_t val) {
auto req_priv_lvl = (addr >> 8) & 0x3; state.write_mstatus(val, (addr >> 8) & 0x3);
state.write_mstatus(val, req_priv_lvl);
check_interrupt(); check_interrupt();
return iss::Ok; return iss::Ok;
} }
@ -1129,7 +1115,6 @@ iss::status riscv_hart_mu_p<BASE, FEAT>::write_intthresh(unsigned addr, reg_t va
template <typename BASE, features_e FEAT> template <typename BASE, features_e FEAT>
iss::status riscv_hart_mu_p<BASE, FEAT>::read_mem(phys_addr_t paddr, unsigned length, uint8_t *const data) { iss::status riscv_hart_mu_p<BASE, FEAT>::read_mem(phys_addr_t paddr, unsigned length, uint8_t *const data) {
if(mem_read_cb) return mem_read_cb(paddr, length, data);
switch (paddr.val) { switch (paddr.val) {
case 0x0200BFF8: { // CLINT base, mtime reg case 0x0200BFF8: { // CLINT base, mtime reg
if (sizeof(reg_t) < length) return iss::Err; if (sizeof(reg_t) < length) return iss::Err;
@ -1154,7 +1139,6 @@ iss::status riscv_hart_mu_p<BASE, FEAT>::read_mem(phys_addr_t paddr, unsigned le
template <typename BASE, features_e FEAT> template <typename BASE, features_e FEAT>
iss::status riscv_hart_mu_p<BASE, FEAT>::write_mem(phys_addr_t paddr, unsigned length, const uint8_t *const data) { iss::status riscv_hart_mu_p<BASE, FEAT>::write_mem(phys_addr_t paddr, unsigned length, const uint8_t *const data) {
if(mem_write_cb) return mem_write_cb(paddr, length, data);
switch (paddr.val) { switch (paddr.val) {
case 0x10013000: // UART0 base, TXFIFO reg case 0x10013000: // UART0 base, TXFIFO reg
case 0x10023000: // UART1 base, TXFIFO reg case 0x10023000: // UART1 base, TXFIFO reg
@ -1279,8 +1263,8 @@ template <typename BASE, features_e FEAT> void riscv_hart_mu_p<BASE, FEAT>::chec
// any synchronous traps. // any synchronous traps.
auto ena_irq = csr[mip] & csr[mie]; auto ena_irq = csr[mip] & csr[mie];
bool mie = state.mstatus.MIE; bool mstatus_mie = state.mstatus.MIE;
auto m_enabled = this->reg.PRIV < PRIV_M || mie; auto m_enabled = this->reg.PRIV < PRIV_M || mstatus_mie;
auto enabled_interrupts = m_enabled ? ena_irq & ~ideleg : 0; auto enabled_interrupts = m_enabled ? ena_irq & ~ideleg : 0;
if (enabled_interrupts != 0) { if (enabled_interrupts != 0) {