2 Commits

Author SHA1 Message Date
a3084456fd rework core definitions 2021-09-04 12:47:07 +02:00
09b01af3fa fix find_package use and debug access alignment check 2021-08-26 22:10:27 +02:00
9 changed files with 124 additions and 42 deletions

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@ -6,6 +6,8 @@ project(dbt-rise-tgc VERSION 1.0.0)
include(GNUInstallDirs)
find_package(elfio)
if(WITH_LLVM)
if(DEFINED ENV{LLVM_HOME})
find_path (LLVM_DIR LLVM-Config.cmake $ENV{LLVM_HOME}/lib/cmake/llvm)

16
gen_input/TGC_B.core_desc Normal file
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@ -0,0 +1,16 @@
import "CoreDSL-Instruction-Set-Description/RV32I.core_desc"
import "CoreDSL-Instruction-Set-Description/RVM.core_desc"
import "CoreDSL-Instruction-Set-Description/RVC.core_desc"
Core TGC_B provides RV32I {
architectural_state {
unsigned XLEN=32;
unsigned PCLEN=32;
// definitions for the architecture wrapper
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
unsigned MISA_VAL = 0b01000000000000000000000100000000;
unsigned PGSIZE = 0x1000; //1 << 12;
unsigned PGMASK = 0xfff; //PGSIZE-1
}
}

15
gen_input/TGC_C.core_desc Normal file
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@ -0,0 +1,15 @@
import "CoreDSL-Instruction-Set-Description/RV32I.core_desc"
import "CoreDSL-Instruction-Set-Description/RVM.core_desc"
import "CoreDSL-Instruction-Set-Description/RVC.core_desc"
Core TGC_C provides RV32I, RV32M, RV32IC {
architectural_state {
unsigned XLEN=32;
unsigned PCLEN=32;
// definitions for the architecture wrapper
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
unsigned MISA_VAL = 0b01000000000000000001000100000100;
unsigned PGSIZE = 0x1000; //1 << 12;
unsigned PGMASK = 0xfff; //PGSIZE-1
}
}

13
gen_input/TGC_D.core_desc Normal file
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@ -0,0 +1,13 @@
import "CoreDSL-Instruction-Set-Description/RV32I.core_desc"
import "CoreDSL-Instruction-Set-Description/RVM.core_desc"
import "CoreDSL-Instruction-Set-Description/RVC.core_desc"
Core TGC_D provides RV32I, RV32M, RV32IC {
architectural_state {
unsigned XLEN=32;
unsigned PCLEN=32;
// definitions for the architecture wrapper
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
unsigned MISA_VAL = 0b01000000000000000001000100000100;
}
}

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@ -0,0 +1,73 @@
import "CoreDSL-Instruction-Set-Description/RISCVBase.core_desc"
import "CoreDSL-Instruction-Set-Description/RV32I.core_desc"
import "CoreDSL-Instruction-Set-Description/RVM.core_desc"
import "CoreDSL-Instruction-Set-Description/RVC.core_desc"
InstructionSet X_RB_MAC extends RISCVBase {
architectural_state {
register unsigned<64> ACC;
}
instructions {
RESET_ACC { // v-- funct7 v-- funct3
encoding: 7'd0 :: 10'b0 :: 3'd0 :: 5'b0 :: 7'b0001011;
behavior: ACC = 0;
}
GET_ACC_LO {
encoding: 7'd1 :: 10'b0 :: 3'd0 :: rd[4:0] :: 7'b0001011;
behavior: if (rd != 0) X[rd] = ACC[31:0];
}
GET_ACC_HI {
encoding: 7'd2 :: 10'b0 :: 3'd0 :: rd[4:0] :: 7'b0001011;
behavior: if (rd != 0) X[rd] = ACC[63:32];
}
MACU_32 {
encoding: 7'd0 :: rs2[4:0] :: rs1[4:0] :: 3'd1 :: 5'b0 :: 7'b0001011;
behavior: {
unsigned<64> mul = X[rs1] * X[rs2];
unsigned<33> add = mul[31:0] + ACC[31:0];
ACC = add[31:0];
}
}
MACS_32 {
encoding: 7'd1 :: rs2[4:0] :: rs1[4:0] :: 3'd1 :: 5'b0 :: 7'b0001011;
behavior: {
signed<64> mul = ((signed) X[rs1]) * ((signed) X[rs2]);
signed<33> add = ((signed) mul[31:0]) + ((signed) ACC[31:0]);
ACC = add[31:0]; // bit range always yields unsigned type
}
}
MACU_64 {
encoding: 7'd0 :: rs2[4:0] :: rs1[4:0] :: 3'd2 :: 5'b0 :: 7'b0001011;
behavior: {
unsigned<64> mul = X[rs1] * X[rs2];
unsigned<65> add = mul + ACC;
ACC = add[63:0];
}
}
MACS_64 {
encoding: 7'd1 :: rs2[4:0] :: rs1[4:0] :: 3'd2 :: 5'b0 :: 7'b0001011;
behavior: {
signed<64> mul = ((signed) X[rs1]) * ((signed) X[rs2]);
signed<65> add = mul + ((signed) ACC);
ACC = add[63:0];
}
}
}
}
Core TGC_D_XRB_MAC provides RV32I, RV32M, RV32IC, X_RB_MAC {
architectural_state {
unsigned XLEN=32;
unsigned PCLEN=32;
// definitions for the architecture wrapper
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
unsigned MISA_VAL = 0b01000000000000000001000100000100;
}
}

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@ -1,37 +0,0 @@
import "CoreDSL-Instruction-Set-Description/RV32I.core_desc"
import "CoreDSL-Instruction-Set-Description/RVM.core_desc"
import "CoreDSL-Instruction-Set-Description/RVC.core_desc"
Core TGC_B provides RV32I {
architectural_state {
unsigned XLEN=32;
unsigned PCLEN=32;
// definitions for the architecture wrapper
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
unsigned MISA_VAL = 0b01000000000000000000000100000000;
unsigned PGSIZE = 0x1000; //1 << 12;
unsigned PGMASK = 0xfff; //PGSIZE-1
}
}
Core TGC_C provides RV32I, RV32M, RV32IC {
architectural_state {
unsigned XLEN=32;
unsigned PCLEN=32;
// definitions for the architecture wrapper
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
unsigned MISA_VAL = 0b01000000000000000001000100000100;
unsigned PGSIZE = 0x1000; //1 << 12;
unsigned PGMASK = 0xfff; //PGSIZE-1
}
}
Core TGC_D provides RV32I, RV32M, RV32IC {
architectural_state {
unsigned XLEN=32;
unsigned PCLEN=32;
// definitions for the architecture wrapper
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
unsigned MISA_VAL = 0b01000000000000000001000100000100;
}
}

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@ -541,7 +541,7 @@ iss::status riscv_hart_m_p<BASE>::write(const address_type type, const access_ty
return iss::Err;
}
try {
if(length>1 && (addr&(length-1))){
if(!(access && iss::access_type::DEBUG) && length>1 && (addr&(length-1))){
this->reg.trap_state = 1<<31 | 6<<16;
fault_data=addr;
return iss::Err;

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@ -109,11 +109,11 @@ public:
sync_type needed_sync() const override { return PRE_SYNC; }
void disass_output(uint64_t pc, const std::string instr) override {
if (!owner->disass_output(pc, instr) && INFO <= Log<Output2FILE<disass>>::reporting_level() && Output2FILE<disass>::stream()) {
if (!owner->disass_output(pc, instr)) {
std::stringstream s;
s << "[p:" << lvl[this->reg.PRIV] << ";s:0x" << std::hex << std::setfill('0')
<< std::setw(sizeof(reg_t) * 2) << (reg_t)this->state.mstatus << std::dec << ";c:" << this->reg.icount << "]";
Log<Output2FILE<disass>>().get(INFO, "disass")
SCCDEBUG(owner->name())<<"disass: "
<< "0x" << std::setw(16) << std::right << std::setfill('0') << std::hex << pc << "\t\t" << std::setw(40)
<< std::setfill(' ') << std::left << instr << s.str();
}

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@ -4138,8 +4138,8 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
this->do_sync(POST_SYNC, std::numeric_limits<unsigned>::max());
pc.val = super::core.enter_trap(std::numeric_limits<uint64_t>::max(), pc.val, 0);
} else {
if (is_jump_to_self_enabled(cond) &&
(insn == 0x0000006f || (insn&0xffff)==0xa001)) throw simulation_stopped(0); // 'J 0' or 'C.J 0'
if (is_jump_to_self_enabled(cond) && (insn == 0x0000006f || (insn&0xffff)==0xa001))
throw simulation_stopped(0); // 'J 0' or 'C.J 0'
auto f = decode_inst(insn);
pc = (this->*f)(pc, insn);
}