@@ -52,6 +52,8 @@
#define MAX_IDE_BUS 2
+#define CFG_ADDR 0xf0000510
+
#define BIOS_SIZE (1024 * 1024)
#define BIOS_FILENAME "ppc_rom.bin"
#define KERNEL_LOAD_ADDR 0x01000000
@@ -358,6 +360,12 @@ static const MemoryRegionPortio prep_portio_list[] = {
PORTIO_END_OF_LIST(),
};
+static int fw_cfg_boot_set(void *opaque, const char *boot_device)
+{
+ fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
+ return 0;
+}
+
/* PowerPC PREP hardware initialisation */
static void ppc_prep_init(QEMUMachineInitArgs *args)
{
@@ -389,6 +397,7 @@ static void ppc_prep_init(QEMUMachineInitArgs *args)
qemu_irq *cpu_exit_irq;
int ppc_boot_device;
DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
+ void *fw_cfg;
sysctrl = g_malloc0(sizeof(sysctrl_t));
@@ -559,6 +568,39 @@ static void ppc_prep_init(QEMUMachineInitArgs *args)
/* XXX: need an option to load a NVRAM image */
0,
graphic_width, graphic_height, graphic_depth);
+
+ /* Prepare firmware configuration for OpenBIOS */
+ fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
+ fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
+ fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)args->ram_size);
+ fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_PREP);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, 0);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, 0);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, 0);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, 0);
+ fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_device[0]);
+
+ fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
+ fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
+ fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
+
+ fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
+ if (kvm_enabled()) {
+#ifdef CONFIG_KVM
+ uint8_t *hypercall;
+
+ fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq());
+ hypercall = g_malloc(16);
+ kvmppc_get_hypercall(env, hypercall, 16);
+ fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
+#endif
+ } else {
+ fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, get_ticks_per_sec());
+ }
+ qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
static QEMUMachine prep_machine = {
Note that OHW is still the default firmware. Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> --- hw/ppc/prep.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+)