github-mirrors/cvw
1
0
Fork 0
mirror of https://github.com/openhwgroup/cvw.git synced 2025-04-22 12:57:23 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Modified rvvidaemon to populate a struct with all the relavent fields.

Browse source
This commit is contained in:
Ross Thompson 2024-06-12 08:56:16 -07:00
parent 3e7d07dfb6
commit f5d4db68b1
1 changed files with 34 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

40
fpga/rvvidaemon/rvvidaemon.c
View file

@ -75,6 +75,14 @@ typedef struct {
uint8_t GPREn : 1;
uint8_t FPREn : 1;
uint16_t CSRCount : 12;
uint8_t GPRReg : 5;
uint64_t GPRValue;
uint8_t FPRReg : 5;
uint64_t FPRValue;
uint8_t CSRWen[3];
uint16_t CSRReg[3];
uint64_t CSRValue[3];
} RequiredRVVI_t; // total size is 241 bits or 30.125 bytes
typedef struct {
@ -82,7 +90,7 @@ typedef struct {
uint64_t RegValue;
} Reg_t;
void DecodeRVVI(uint8_t *payload, ssize_t payloadsize, uint64_t * PC, uint32_t *insn);
void DecodeRVVI(uint8_t *payload, ssize_t payloadsize, uint64_t * PC, uint32_t *insn, RequiredRVVI_t *InstructionData);
void BitShiftArray(uint8_t *dst, uint8_t *src, uint8_t ShiftAmount, int Length);
int main(int argc, char **argv){
@ -146,7 +154,8 @@ int main(int argc, char **argv){
//printf("Correct destination MAC address\n");
uint64_t PC;
uint32_t insn;
DecodeRVVI(buf + headerbytes, payloadbytes, &PC, &insn);
RequiredRVVI_t InstructionData;
DecodeRVVI(buf + headerbytes, payloadbytes, &PC, &insn, &InstructionData);
}
}
@ -155,7 +164,7 @@ int main(int argc, char **argv){
return 0;
}
void DecodeRVVI(uint8_t *payload, ssize_t payloadsize, uint64_t * PC, uint32_t *insn){
void DecodeRVVI(uint8_t *payload, ssize_t payloadsize, uint64_t * PC, uint32_t *insn, RequiredRVVI_t *InstructionData){
// you know this actually easiser in assembly. :(
uint8_t buf2[BUF_SIZ], buf3[BUF_SIZ];
uint8_t * buf2ptr, *buf3ptr;
@ -183,6 +192,9 @@ void DecodeRVVI(uint8_t *payload, ssize_t payloadsize, uint64_t * PC, uint32_t *
uint64_t GPRData = 0;
uint8_t FPRReg = 0;
uint64_t FPRData = 0;
uint8_t CSRWen[3] = {0, 0, 0};
uint16_t CSRReg[3];
uint64_t CSRValue[3];
Trap = RequiredFlags & 0x1;
PrivilegeMode = (RequiredFlags >> 1) & 0x3;
@ -245,9 +257,6 @@ void DecodeRVVI(uint8_t *payload, ssize_t payloadsize, uint64_t * PC, uint32_t *
BitShiftArray(buf2, payload, 1, Buf2Size);
}
int CSRIndex;
uint8_t CSRWen[3] = {0, 0, 0};
uint16_t CSRReg[3];
uint64_t CSRValue[3];
buf2ptr = buf2;
for(CSRIndex = 0; CSRIndex < CSRCount; CSRIndex++){
CSRReg[CSRIndex] = (*(uint16_t *) buf2ptr) & 0xFFF;
@ -263,6 +272,25 @@ void DecodeRVVI(uint8_t *payload, ssize_t payloadsize, uint64_t * PC, uint32_t *
}
}
InstructionData->PC = *PC;
InstructionData->insn = *insn;
InstructionData->Mcycle = Mcycle;
InstructionData->Minstret = Minstret;
InstructionData->Trap = Trap;
InstructionData->PrivilegeMode = PrivilegeMode;
InstructionData->GPREn = GPRWen;
InstructionData->FPREn = FPRWen;
InstructionData->CSRCount = CSRCount;
InstructionData->GPRReg = GPRReg;
InstructionData->GPRValue = GPRData;
InstructionData->FPRReg = FPRReg;
InstructionData->FPRValue = FPRData;
for(CSRIndex = 0; CSRIndex < 3; CSRIndex++){
InstructionData->CSRWen[CSRIndex] = CSRWen[CSRIndex];
InstructionData->CSRReg[CSRIndex] = CSRReg[CSRIndex];
InstructionData->CSRValue[CSRIndex] = CSRValue[CSRIndex];
}
//printf("Wrote reg %d = %lx\n", FirstReg->RegAddress, FirstReg->RegValue);
}
printf("!!!!!\n\n");