diff options
Diffstat (limited to 'hw/riscv/sifive_u.c')
| -rw-r--r-- | hw/riscv/sifive_u.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index 39923209f4..46e6ed90ca 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -380,6 +380,7 @@ static void sifive_u_machine_init(MachineState *machine) target_ulong start_addr = memmap[SIFIVE_U_DRAM].base; int i; uint32_t fdt_load_addr; + uint64_t kernel_entry; /* Initialize SoC */ object_initialize_child(OBJECT(machine), "soc", &s->soc, TYPE_RISCV_U_SOC); @@ -436,8 +437,7 @@ static void sifive_u_machine_init(MachineState *machine) riscv_find_and_load_firmware(machine, BIOS_FILENAME, start_addr, NULL); if (machine->kernel_filename) { - uint64_t kernel_entry = riscv_load_kernel(machine->kernel_filename, - NULL); + kernel_entry = riscv_load_kernel(machine->kernel_filename, NULL); if (machine->initrd_filename) { hwaddr start; @@ -449,6 +449,12 @@ static void sifive_u_machine_init(MachineState *machine) qemu_fdt_setprop_cell(s->fdt, "/chosen", "linux,initrd-end", end); } + } else { + /* + * If dynamic firmware is used, it doesn't know where is the next mode + * if kernel argument is not set. + */ + kernel_entry = 0; } /* Compute the fdt load address in dram */ @@ -458,7 +464,8 @@ static void sifive_u_machine_init(MachineState *machine) /* reset vector */ uint32_t reset_vec[11] = { s->msel, /* MSEL pin state */ - 0x00000297, /* 1: auipc t0, %pcrel_hi(dtb) */ + 0x00000297, /* 1: auipc t0, %pcrel_hi(fw_dyn) */ + 0x02828613, /* addi a2, t0, %pcrel_lo(1b) */ 0xf1402573, /* csrr a0, mhartid */ #if defined(TARGET_RISCV32) 0x0202a583, /* lw a1, 32(t0) */ @@ -468,12 +475,11 @@ static void sifive_u_machine_init(MachineState *machine) 0x0182b283, /* ld t0, 24(t0) */ #endif 0x00028067, /* jr t0 */ - 0x00000000, start_addr, /* start: .dword */ 0x00000000, fdt_load_addr, /* fdt_laddr: .dword */ 0x00000000, - /* dtb: */ + /* fw_dyn: */ }; /* copy in the reset vector in little_endian byte order */ @@ -482,6 +488,10 @@ static void sifive_u_machine_init(MachineState *machine) } rom_add_blob_fixed_as("mrom.reset", reset_vec, sizeof(reset_vec), memmap[SIFIVE_U_MROM].base, &address_space_memory); + + riscv_rom_copy_firmware_info(memmap[SIFIVE_U_MROM].base, + memmap[SIFIVE_U_MROM].size, + sizeof(reset_vec), kernel_entry); } static bool sifive_u_machine_get_start_in_flash(Object *obj, Error **errp) |