diff options
Diffstat (limited to 'hw/riscv/sifive_u.c')
| -rw-r--r-- | hw/riscv/sifive_u.c | 53 |
1 files changed, 19 insertions, 34 deletions
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index b40a4767e2..2fb6ee231f 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -94,11 +94,12 @@ static const MemMapEntry sifive_u_memmap[] = { #define GEM_REVISION 0x10070109 static void create_fdt(SiFiveUState *s, const MemMapEntry *memmap, - uint64_t mem_size, const char *cmdline, bool is_32_bit) + bool is_32_bit) { - MachineState *ms = MACHINE(qdev_get_machine()); + MachineState *ms = MACHINE(s); + uint64_t mem_size = ms->ram_size; void *fdt; - int cpu; + int cpu, fdt_size; uint32_t *cells; char *nodename; uint32_t plic_phandle, prci_phandle, gpio_phandle, phandle = 1; @@ -112,14 +113,13 @@ static void create_fdt(SiFiveUState *s, const MemMapEntry *memmap, }; if (ms->dtb) { - fdt = s->fdt = load_device_tree(ms->dtb, &s->fdt_size); + fdt = ms->fdt = load_device_tree(ms->dtb, &fdt_size); if (!fdt) { error_report("load_device_tree() failed"); exit(1); } - goto update_bootargs; } else { - fdt = s->fdt = create_device_tree(&s->fdt_size); + fdt = ms->fdt = create_device_tree(&fdt_size); if (!fdt) { error_report("create_device_tree() failed"); exit(1); @@ -510,11 +510,6 @@ static void create_fdt(SiFiveUState *s, const MemMapEntry *memmap, qemu_fdt_setprop_string(fdt, "/aliases", "serial0", nodename); g_free(nodename); - -update_bootargs: - if (cmdline && *cmdline) { - qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline); - } } static void sifive_u_machine_reset(void *opaque, int n, int level) @@ -533,6 +528,7 @@ static void sifive_u_machine_init(MachineState *machine) MemoryRegion *flash0 = g_new(MemoryRegion, 1); target_ulong start_addr = memmap[SIFIVE_U_DEV_DRAM].base; target_ulong firmware_end_addr, kernel_start_addr; + const char *firmware_name; uint32_t start_addr_hi32 = 0x00000000; int i; uint32_t fdt_load_addr; @@ -565,8 +561,7 @@ static void sifive_u_machine_init(MachineState *machine) qemu_allocate_irq(sifive_u_machine_reset, NULL, 0)); /* create device tree */ - create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline, - riscv_is_32bit(&s->soc.u_cpus)); + create_fdt(s, memmap, riscv_is_32bit(&s->soc.u_cpus)); if (s->start_in_flash) { /* @@ -595,30 +590,23 @@ static void sifive_u_machine_init(MachineState *machine) break; } - if (riscv_is_32bit(&s->soc.u_cpus)) { - firmware_end_addr = riscv_find_and_load_firmware(machine, - RISCV32_BIOS_BIN, start_addr, NULL); - } else { - firmware_end_addr = riscv_find_and_load_firmware(machine, - RISCV64_BIOS_BIN, start_addr, NULL); - } + firmware_name = riscv_default_firmware_name(&s->soc.u_cpus); + firmware_end_addr = riscv_find_and_load_firmware(machine, firmware_name, + start_addr, NULL); if (machine->kernel_filename) { kernel_start_addr = riscv_calc_kernel_start_addr(&s->soc.u_cpus, firmware_end_addr); - kernel_entry = riscv_load_kernel(machine->kernel_filename, - kernel_start_addr, NULL); + kernel_entry = riscv_load_kernel(machine, kernel_start_addr, NULL); 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); + riscv_load_initrd(machine, kernel_entry); + } + + if (machine->kernel_cmdline && *machine->kernel_cmdline) { + qemu_fdt_setprop_string(machine->fdt, "/chosen", "bootargs", + machine->kernel_cmdline); } } else { /* @@ -630,14 +618,11 @@ static void sifive_u_machine_init(MachineState *machine) /* Compute the fdt load address in dram */ fdt_load_addr = riscv_load_fdt(memmap[SIFIVE_U_DEV_DRAM].base, - machine->ram_size, s->fdt); + machine->ram_size, machine->fdt); if (!riscv_is_32bit(&s->soc.u_cpus)) { start_addr_hi32 = (uint64_t)start_addr >> 32; } - /* Set machine->fdt for 'dumpdtb' QMP/HMP command */ - machine->fdt = s->fdt; - /* reset vector */ uint32_t reset_vec[12] = { s->msel, /* MSEL pin state */ |