diff options
Diffstat (limited to 'hw/spapr.c')
| -rw-r--r-- | hw/spapr.c | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/hw/spapr.c b/hw/spapr.c index 876768631b..1152a25b2e 100644 --- a/hw/spapr.c +++ b/hw/spapr.c @@ -44,6 +44,10 @@ #define INITRD_LOAD_ADDR 0x02800000 #define FDT_MAX_SIZE 0x10000 #define RTAS_MAX_SIZE 0x10000 +#define FW_MAX_SIZE 0x400000 +#define FW_FILE_NAME "slof.bin" + +#define MIN_RAM_SLOF 512UL #define TIMEBASE_FREQ 512000000ULL @@ -57,6 +61,7 @@ static void *spapr_create_fdt(int *fdt_size, ram_addr_t ramsize, sPAPREnvironment *spapr, target_phys_addr_t initrd_base, target_phys_addr_t initrd_size, + const char *boot_device, const char *kernel_cmdline, target_phys_addr_t rtas_addr, target_phys_addr_t rtas_size, @@ -105,6 +110,7 @@ static void *spapr_create_fdt(int *fdt_size, ram_addr_t ramsize, &start_prop, sizeof(start_prop)))); _FDT((fdt_property(fdt, "linux,initrd-end", &end_prop, sizeof(end_prop)))); + _FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device))); _FDT((fdt_end_node(fdt))); @@ -261,7 +267,7 @@ static void ppc_spapr_init(ram_addr_t ram_size, ram_addr_t ram_offset; target_phys_addr_t fdt_addr, rtas_addr; uint32_t kernel_base, initrd_base; - long kernel_size, initrd_size, htab_size, rtas_size; + long kernel_size, initrd_size, htab_size, rtas_size, fw_size; long pteg_shift = 17; int fdt_size; char *filename; @@ -392,13 +398,33 @@ static void ppc_spapr_init(ram_addr_t ram_size, initrd_size = 0; } } else { - fprintf(stderr, "pSeries machine needs -kernel for now"); - exit(1); + if (ram_size < (MIN_RAM_SLOF << 20)) { + fprintf(stderr, "qemu: pSeries SLOF firmware requires >= " + "%ldM guest RAM\n", MIN_RAM_SLOF); + exit(1); + } + filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "slof.bin"); + fw_size = load_image_targphys(filename, 0, FW_MAX_SIZE); + if (fw_size < 0) { + hw_error("qemu: could not load LPAR rtas '%s'\n", filename); + exit(1); + } + qemu_free(filename); + kernel_base = 0x100; + initrd_base = 0; + initrd_size = 0; + + /* SLOF will startup the secondary CPUs using RTAS, + rather than expecting a kexec() style entry */ + for (i = 0; i < smp_cpus; i++) { + envs[i]->halted = 1; + } } /* Prepare the device tree */ fdt = spapr_create_fdt(&fdt_size, ram_size, cpu_model, envs, spapr, - initrd_base, initrd_size, kernel_cmdline, + initrd_base, initrd_size, + boot_device, kernel_cmdline, rtas_addr, rtas_size, pteg_shift + 7); assert(fdt != NULL); @@ -409,6 +435,7 @@ static void ppc_spapr_init(ram_addr_t ram_size, envs[0]->gpr[3] = fdt_addr; envs[0]->gpr[5] = 0; envs[0]->hreset_vector = kernel_base; + envs[0]->halted = 0; } static QEMUMachine spapr_machine = { |