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[v1.03][RISCV] Add preeliminary uarch detection

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Dr-Noob
2023-04-07 16:19:43 +02:00
parent 69dd47bab0
commit 13e86d7f14
6 changed files with 88 additions and 7 deletions
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48
src/riscv/uarch.c
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@@ -1,18 +1,56 @@
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "uarch.h"
#include "../common/global.h"
typedef uint32_t MICROARCH;
struct uarch {
//MICROARCH uarch;
MICROARCH uarch;
char* uarch_str;
int32_t process; // measured in nanometers
};
enum {
UARCH_UNKNOWN,
// SIFIVE
UARCH_U74MC
};
#define UARCH_START if (false) {}
#define CHECK_UARCH(arch, cpu, cpuinfo_str, uarch_str, str, uarch, vendor) \
else if (strcmp(cpuinfo_str, uarch_str) == 0) fill_uarch(arch, cpu, str, uarch, vendor);
#define UARCH_END else { printBug("Unknown microarchitecture detected: uarch='%s'", cpuinfo_str); fill_uarch(arch, cpu, "Unknown", UARCH_UNKNOWN, CPU_VENDOR_UNKNOWN); }
void fill_uarch(struct uarch* arch, struct cpuInfo* cpu, char* str, MICROARCH u, VENDOR vendor) {
arch->uarch = u;
cpu->cpu_vendor = vendor;
arch->uarch_str = emalloc(sizeof(char) * (strlen(str)+1));
strcpy(arch->uarch_str, str);
}
struct uarch* get_uarch_from_cpuinfo_str(char* cpuinfo_str, struct cpuInfo* cpu) {
struct uarch* arch = emalloc(sizeof(struct uarch));
if(cpuinfo_str == NULL) {
printWarn("get_uarch_from_cpuinfo: Unable to detect microarchitecture, cpuinfo_str is NULL");
fill_uarch(arch, cpu, "Unknown", UARCH_UNKNOWN, CPU_VENDOR_UNKNOWN);
return arch;
}
UARCH_START
CHECK_UARCH(arch, cpu, cpuinfo_str, "sifive,u74-mc", "U74-MC", UARCH_U74MC, CPU_VENDOR_SIFIVE)
UARCH_END
return arch;
}
char* get_str_uarch(struct cpuInfo* cpu) {
return "Unknown";
return cpu->arch->uarch_str;
}
void free_uarch_struct(struct uarch* arch) {
free(arch->uarch_str);
free(arch);
}