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DBT-RISE-TGC
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fix wait for interrupt. Adapt for new SCC structure

This commit is contained in:
Stanislaw Kaushanski 2021-04-07 17:42:08 +02:00
parent 0a76ccbdac
commit 7009943106
4 changed files with 12 additions and 20 deletions
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4
CMakeLists.txt
View File

@ -60,7 +60,7 @@ endif()
target_compile_options(${PROJECT_NAME} PRIVATE -Wno-shift-count-overflow)
target_include_directories(${PROJECT_NAME} PUBLIC incl)
target_link_libraries(${PROJECT_NAME} PUBLIC softfloat scc-util)
target_link_libraries(${PROJECT_NAME} PUBLIC softfloat scc-util jsoncpp)
target_link_libraries(${PROJECT_NAME} PUBLIC -Wl,--whole-archive dbt-core -Wl,--no-whole-archive)
target_link_libraries(${PROJECT_NAME} PUBLIC ${Boost_LIBRARIES} )
set_target_properties(${PROJECT_NAME} PROPERTIES
@ -78,7 +78,7 @@ if(SystemC_FOUND)
target_compile_definitions(${PROJECT_NAME}_sc PUBLIC WITH_SCV)
target_include_directories(${PROJECT_NAME}_sc PUBLIC ${SCV_INCLUDE_DIRS})
endif()
target_link_libraries(${PROJECT_NAME}_sc PUBLIC ${PROJECT_NAME} scc )
target_link_libraries(${PROJECT_NAME}_sc PUBLIC ${PROJECT_NAME} scc)
if(WITH_LLVM)
target_link_libraries(${PROJECT_NAME}_sc PUBLIC ${llvm_libs})
endif()

20
incl/iss/arch/riscv_hart_m_p.h
View File

@ -894,7 +894,10 @@ template <typename BASE> void riscv_hart_m_p<BASE>::check_interrupt() {
if (enabled_interrupts != 0) {
int res = 0;
while ((enabled_interrupts & 1) == 0) enabled_interrupts >>= 1, res++;
while ((enabled_interrupts & 1) == 0) {
enabled_interrupts >>= 1;
res++;
}
this->reg.pending_trap = res << 16 | 1; // 0x80 << 24 | (cause << 16) | trap_id
}
}
@ -946,20 +949,7 @@ template <typename BASE> uint64_t riscv_hart_m_p<BASE>::enter_trap(uint64_t flag
}
template <typename BASE> uint64_t riscv_hart_m_p<BASE>::leave_trap(uint64_t flags) {
/* TODO: configurable support of User mode
auto cur_priv = this->reg.PRIV;
auto inst_priv = flags & 0x3;
auto status = state.mstatus;
// pop the relevant lower-privilege interrupt enable and privilege mode stack
// clear respective yIE
if (inst_priv == PRIV_M) {
this->reg.PRIV = state.mstatus.MPP;
state.mstatus.MPP = 0; // clear mpp to U mode
state.mstatus.MIE = state.mstatus.MPIE;
} else {
CLOG(ERROR, disass) << "Unsupported mode:" << inst_priv;
}*/
state.mstatus.MIE = state.mstatus.MPIE;
// sets the pc to the value stored in the x epc register.
this->reg.NEXT_PC = csr[mepc];
CLOG(INFO, disass) << "Executing xRET";

6
incl/sysc/core_complex.h
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@ -33,10 +33,10 @@
#ifndef _SYSC_SIFIVE_FE310_H_
#define _SYSC_SIFIVE_FE310_H_
#include "scc/initiator_mixin.h"
#include "tlm/scc/initiator_mixin.h"
#include "scc/traceable.h"
#include "scc/utilities.h"
#include "scv4tlm/tlm_rec_initiator_socket.h"
#include "tlm/scc/scv4tlm/tlm_rec_initiator_socket.h"
#include <cci_configuration>
#include <tlm>
#include <tlm_core/tlm_1/tlm_req_rsp/tlm_1_interfaces/tlm_core_ifs.h>
@ -75,7 +75,7 @@ class core_wrapper;
class core_complex : public sc_core::sc_module, public scc::traceable {
public:
scc::initiator_mixin<scv4tlm::tlm_rec_initiator_socket<32>> initiator{"intor"};
tlm::scc::initiator_mixin<tlm::scc::scv4tlm::tlm_rec_initiator_socket<32>> initiator{"intor"};
sc_core::sc_in<sc_core::sc_time> clk_i{"clk_i"};

2
src/sysc/core_complex.cpp
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@ -191,6 +191,8 @@ public:
} else
this->csr[arch::mip] &= ~mask;
this->check_interrupt();
if(value)
SCCTRACE(owner->name()) << "Triggering interrupt " << id << " Pending trap: " << this->reg.pending_trap;
}
private: