DBT-RISE/DBT-RISE-TGC
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replaces virtual functions with memory pointers (kind of)

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Eyck Jentzsch
2025-03-11 08:31:25 +01:00
parent 57d5ea92be
commit fb0f6255e9
5 changed files with 26 additions and 11 deletions
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15
src/iss/arch/riscv_hart_common.h
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@@ -348,6 +348,9 @@ template <typename BASE, typename LOGCAT = logging::disass> struct riscv_hart_co
using reg_t = typename core::reg_t;
using addr_t = typename core::addr_t;
using rd_csr_f = std::function<iss::status(unsigned addr, reg_t&)>;
using wr_csr_f = std::function<iss::status(unsigned addr, reg_t)>;
#define MK_CSR_RD_CB(FCT) [this](unsigned a, reg_t& r) -> iss::status { return this->FCT(a, r); };
#define MK_CSR_WR_CB(FCT) [this](unsigned a, reg_t r) -> iss::status { return this->FCT(a, r); };
@@ -530,8 +533,14 @@ template <typename BASE, typename LOGCAT = logging::disass> struct riscv_hart_co
this->reg.cycle + cycle_offset);
};
void register_custom_csr_rd(unsigned addr) { csr_rd_cb[addr] = &this_class::read_custom_csr; }
void register_custom_csr_wr(unsigned addr) { csr_wr_cb[addr] = &this_class::write_custom_csr; }
void register_csr(unsigned addr, rd_csr_f f) { csr_rd_cb[addr] = f; }
void register_csr(unsigned addr, wr_csr_f f) { csr_wr_cb[addr] = f; }
void register_csr(unsigned addr, rd_csr_f rdf, wr_csr_f wrf) {
csr_rd_cb[addr] = rdf;
csr_wr_cb[addr] = wrf;
}
void unregister_csr_rd(unsigned addr) { csr_rd_cb.erase(addr); }
void unregister_csr_wr(unsigned addr) { csr_wr_cb.erase(addr); }
bool debug_mode_active() { return this->reg.PRIV & 0x4; }
@@ -777,8 +786,6 @@ protected:
using csr_page_type = typename csr_type::page_type;
csr_type csr;
using rd_csr_f = std::function<iss::status(unsigned addr, reg_t&)>;
using wr_csr_f = std::function<iss::status(unsigned addr, reg_t)>;
std::unordered_map<unsigned, rd_csr_f> csr_rd_cb;
std::unordered_map<unsigned, wr_csr_f> csr_wr_cb;