diff options
Diffstat (limited to 'hw/openrisc/openrisc_sim.c')
| -rw-r--r-- | hw/openrisc/openrisc_sim.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/hw/openrisc/openrisc_sim.c b/hw/openrisc/openrisc_sim.c index e0e71c0faa..8184caa60b 100644 --- a/hw/openrisc/openrisc_sim.c +++ b/hw/openrisc/openrisc_sim.c @@ -315,6 +315,33 @@ static hwaddr openrisc_load_kernel(ram_addr_t ram_size, return 0; } +static hwaddr openrisc_load_initrd(Or1ksimState *state, const char *filename, + hwaddr load_start, uint64_t mem_size) +{ + void *fdt = state->fdt; + int size; + hwaddr start; + + /* We put the initrd right after the kernel; page aligned. */ + start = TARGET_PAGE_ALIGN(load_start); + + size = load_ramdisk(filename, start, mem_size - start); + if (size < 0) { + size = load_image_targphys(filename, start, mem_size - start); + if (size < 0) { + error_report("could not load ramdisk '%s'", filename); + exit(1); + } + } + + qemu_fdt_setprop_cell(fdt, "/chosen", + "linux,initrd-start", start); + qemu_fdt_setprop_cell(fdt, "/chosen", + "linux,initrd-end", start + size); + + return start + size; +} + static uint32_t openrisc_load_fdt(Or1ksimState *state, hwaddr load_start, uint64_t mem_size) { @@ -393,6 +420,10 @@ static void openrisc_sim_init(MachineState *machine) load_addr = openrisc_load_kernel(ram_size, kernel_filename); if (load_addr > 0) { + if (machine->initrd_filename) { + load_addr = openrisc_load_initrd(state, machine->initrd_filename, + load_addr, machine->ram_size); + } boot_info.fdt_addr = openrisc_load_fdt(state, load_addr, machine->ram_size); } |