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On the way towards complete reconstruction of the RVVI trace.

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This commit is contained in:
Rose Thompson 2024-06-04 11:47:46 -05:00
parent fc62f80407
commit 08ff88f428
1 changed files with 17 additions and 2 deletions
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19
fpga/rvvidaemon/rvvidaemon.c
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@ -63,6 +63,20 @@
//#define ETHER_TYPE 0x0000 // The type defined in packetizer.sv
#define DEFAULT_IF "eno1"
typedef struct {
uint64_t PC;
uint32_t insn;
uint64_t Mcycle;
uint64_t Minstret;
uint8_t Trap : 1;
uint8_t PrivilegeMode : 2;
uint8_t GPREn : 1;
uint8_t FPREn : 1;
uint16_t CSRCount : 12;
} RequiredRVVI_t;
void DecodeRVVI(uint8_t *payload, uint64_t * PC, uint32_t *insn);
int main(int argc, char **argv){
@ -140,6 +154,7 @@ int main(int argc, char **argv){
void DecodeRVVI(uint8_t *payload, uint64_t * PC, uint32_t *insn){
// you know this actually easiser in assembly. :(
*PC = *((uint64_t *) payload);
*insn = *((uint32_t *) (payload + 8));
RequiredRVVI_t *RequiredFields = (RequiredRVVI_t *) payload;
*PC = RequiredFields->PC;
*insn = RequiredFields->insn;
}