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[v1.03][RISCV] Add some more uarchs

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Dr-Noob
2023-04-12 16:23:23 +02:00
parent 9e9828d210
commit 4405a262ca
5 changed files with 28 additions and 5 deletions
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26
src/riscv/uarch.c
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@@ -16,7 +16,11 @@ struct uarch {
enum {
UARCH_UNKNOWN,
// SIFIVE
UARCH_U74MC
UARCH_U54,
UARCH_U74,
// THEAD
UARCH_C906,
UARCH_C910
};
#define UARCH_START if (false) {}
@@ -31,6 +35,9 @@ void fill_uarch(struct uarch* arch, struct cpuInfo* cpu, char* str, MICROARCH u,
strcpy(arch->uarch_str, str);
}
// https://elixir.bootlin.com/linux/latest/source/Documentation/devicetree/bindings/riscv/cpus.yaml
// SiFive: https://www.sifive.com/risc-v-core-ip
// T-Head: https://www.t-head.cn/product/c906
struct uarch* get_uarch_from_cpuinfo_str(char* cpuinfo_str, struct cpuInfo* cpu) {
struct uarch* arch = emalloc(sizeof(struct uarch));
if(cpuinfo_str == NULL) {
@@ -39,8 +46,23 @@ struct uarch* get_uarch_from_cpuinfo_str(char* cpuinfo_str, struct cpuInfo* cpu)
return arch;
}
// U74/U74-MC:
// SiFive says that U74-MC is "Multicore: four U74 cores and one S76 core" while
// U74 is "High performance Linux-capable processor". It's like U74-MC is somehow a small SoC containing
// the U74 and the S76? Then U74-MC is not a microarchitecture per se...
UARCH_START
CHECK_UARCH(arch, cpu, cpuinfo_str, "sifive,u74-mc", "U74-MC", UARCH_U74MC, CPU_VENDOR_SIFIVE)
CHECK_UARCH(arch, cpu, cpuinfo_str, "sifive,bullet0", "U74", UARCH_U74, CPU_VENDOR_SIFIVE) // bullet0 is present in U740, which has U74
// CHECK_UARCH(arch, cpu, cpuinfo_str, "sifive,e5", "XXXXXX", UARCH_U74, CPU_VENDOR_SIFIVE)
// CHECK_UARCH(arch, cpu, cpuinfo_str, "sifive,e7", "XXXXXX", UARCH_U74, CPU_VENDOR_SIFIVE)
// CHECK_UARCH(arch, cpu, cpuinfo_str, "sifive,e71", "XXXXXX", UARCH_U74, CPU_VENDOR_SIFIVE)
// CHECK_UARCH(arch, cpu, cpuinfo_str, "sifive,rocket0", "XXXXXX", UARCH_U74, CPU_VENDOR_SIFIVE)
// CHECK_UARCH(arch, cpu, cpuinfo_str, "sifive,u5", "XXXXXX", UARCH_U74, CPU_VENDOR_SIFIVE)
CHECK_UARCH(arch, cpu, cpuinfo_str, "sifive,u54", "U54", UARCH_U54, CPU_VENDOR_SIFIVE)
// CHECK_UARCH(arch, cpu, cpuinfo_str, "sifive,u7", "XXXXXX", UARCH_U74, CPU_VENDOR_SIFIVE)
CHECK_UARCH(arch, cpu, cpuinfo_str, "sifive,u74", "U74", UARCH_U74, CPU_VENDOR_SIFIVE)
CHECK_UARCH(arch, cpu, cpuinfo_str, "sifive,u74-mc", "U74", UARCH_U74, CPU_VENDOR_SIFIVE)
CHECK_UARCH(arch, cpu, cpuinfo_str, "thead,c906", "T-Head C906", UARCH_C906, CPU_VENDOR_THEAD)
CHECK_UARCH(arch, cpu, cpuinfo_str, "thead,c910", "T-Head C910", UARCH_C910, CPU_VENDOR_THEAD)
UARCH_END
return arch;