diff options
Diffstat (limited to 'hw/riscv')
| -rw-r--r-- | hw/riscv/spike.c | 41 |
1 files changed, 25 insertions, 16 deletions
diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c index 288d69cd9f..597df4c288 100644 --- a/hw/riscv/spike.c +++ b/hw/riscv/spike.c @@ -42,6 +42,7 @@ static const MemMapEntry spike_memmap[] = { [SPIKE_MROM] = { 0x1000, 0xf000 }, + [SPIKE_HTIF] = { 0x1000000, 0x1000 }, [SPIKE_CLINT] = { 0x2000000, 0x10000 }, [SPIKE_DRAM] = { 0x80000000, 0x0 }, }; @@ -75,6 +76,10 @@ static void create_fdt(SpikeState *s, const MemMapEntry *memmap, qemu_fdt_add_subnode(fdt, "/htif"); qemu_fdt_setprop_string(fdt, "/htif", "compatible", "ucb,htif0"); + if (!htif_uses_elf_symbols()) { + qemu_fdt_setprop_cells(fdt, "/htif", "reg", + 0x0, memmap[SPIKE_HTIF].base, 0x0, memmap[SPIKE_HTIF].size); + } qemu_fdt_add_subnode(fdt, "/soc"); qemu_fdt_setprop(fdt, "/soc", "ranges", NULL, 0); @@ -172,6 +177,7 @@ static void create_fdt(SpikeState *s, const MemMapEntry *memmap, if (cmdline) { qemu_fdt_add_subnode(fdt, "/chosen"); qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline); + qemu_fdt_setprop_string(fdt, "/chosen", "stdout-path", "/htif"); } } @@ -241,10 +247,6 @@ static void spike_board_init(MachineState *machine) memory_region_add_subregion(system_memory, memmap[SPIKE_DRAM].base, machine->ram); - /* create device tree */ - create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline, - riscv_is_32bit(&s->soc[0])); - /* boot rom */ memory_region_init_rom(mask_rom, NULL, "riscv.spike.mrom", memmap[SPIKE_MROM].size, &error_fatal); @@ -266,6 +268,7 @@ static void spike_board_init(MachineState *machine) htif_symbol_callback); } + /* Load kernel */ if (machine->kernel_filename) { kernel_start_addr = riscv_calc_kernel_start_addr(&s->soc[0], firmware_end_addr); @@ -273,17 +276,6 @@ static void spike_board_init(MachineState *machine) kernel_entry = riscv_load_kernel(machine->kernel_filename, kernel_start_addr, htif_symbol_callback); - - if (machine->initrd_filename) { - hwaddr start; - hwaddr end = riscv_load_initrd(machine->initrd_filename, - machine->ram_size, kernel_entry, - &start); - qemu_fdt_setprop_cell(s->fdt, "/chosen", - "linux,initrd-start", start); - 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 @@ -292,6 +284,22 @@ static void spike_board_init(MachineState *machine) kernel_entry = 0; } + /* Create device tree */ + create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline, + riscv_is_32bit(&s->soc[0])); + + /* Load initrd */ + if (machine->kernel_filename && machine->initrd_filename) { + hwaddr start; + hwaddr end = riscv_load_initrd(machine->initrd_filename, + machine->ram_size, kernel_entry, + &start); + qemu_fdt_setprop_cell(s->fdt, "/chosen", + "linux,initrd-start", start); + qemu_fdt_setprop_cell(s->fdt, "/chosen", "linux,initrd-end", + end); + } + /* Compute the fdt load address in dram */ fdt_load_addr = riscv_load_fdt(memmap[SPIKE_DRAM].base, machine->ram_size, s->fdt); @@ -303,7 +311,8 @@ static void spike_board_init(MachineState *machine) /* initialize HTIF using symbols found in load_kernel */ htif_mm_init(system_memory, mask_rom, - &s->soc[0].harts[0].env, serial_hd(0)); + &s->soc[0].harts[0].env, serial_hd(0), + memmap[SPIKE_HTIF].base); } static void spike_machine_instance_init(Object *obj) |