diff options
-rw-r--r-- | hw/riscv/boot.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c index d62f3dc..3c70ac7 100644 --- a/hw/riscv/boot.c +++ b/hw/riscv/boot.c @@ -41,7 +41,17 @@ bool riscv_is_32_bit(MachineState *machine) { - if (!strncmp(machine->cpu_type, "rv32", 4)) { + /* + * To determine if the CPU is 32-bit we need to check a few different CPUs. + * + * If the CPU starts with rv32 + * If the CPU is a sifive 3 seriries CPU (E31, U34) + * If it's the Ibex CPU + */ + if (!strncmp(machine->cpu_type, "rv32", 4) || + (!strncmp(machine->cpu_type, "sifive", 6) && + machine->cpu_type[8] == '3') || + !strncmp(machine->cpu_type, "lowrisc-ibex", 12)) { return true; } else { return false; |