#include "net.h"
#include "sysemu.h"
#include "boards.h"
+#include "fw_cfg.h"
#include "escc.h"
+#include "openpic.h"
#define MAX_IDE_BUS 2
#define VGA_BIOS_SIZE 65536
+#define CFG_ADDR 0xf0000510
/* debug UniNorth */
//#define DEBUG_UNIN
#ifdef DEBUG_UNIN
-#define UNIN_DPRINTF(fmt, args...) \
-do { printf("UNIN: " fmt , ##args); } while (0)
+#define UNIN_DPRINTF(fmt, ...) \
+ do { printf("UNIN: " fmt , ## __VA_ARGS__); } while (0)
#else
-#define UNIN_DPRINTF(fmt, args...)
+#define UNIN_DPRINTF(fmt, ...)
#endif
/* UniN device */
&unin_readl,
};
+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 Mac99 hardware initialisation */
-static void ppc_core99_init (ram_addr_t ram_size, int vga_ram_size,
+static void ppc_core99_init (ram_addr_t ram_size,
const char *boot_device,
const char *kernel_filename,
const char *kernel_cmdline,
qemu_irq *pic, **openpic_irqs;
int unin_memory;
int linux_boot, i;
- ram_addr_t ram_offset, vga_ram_offset, bios_offset, vga_bios_offset;
+ ram_addr_t ram_offset, bios_offset, vga_bios_offset;
uint32_t kernel_base, kernel_size, initrd_base, initrd_size;
PCIBus *pci_bus;
- nvram_t nvram;
-#if 0
MacIONVRAMState *nvr;
int nvram_mem_index;
-#endif
- m48t59_t *m48t59;
int vga_bios_size, bios_size;
qemu_irq *dummy_irq;
int pic_mem_index, dbdma_mem_index, cuda_mem_index, escc_mem_index;
int ppc_boot_device;
int index;
BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
+ void *fw_cfg;
void *dbdma;
+ uint8_t *vga_bios_ptr;
linux_boot = (kernel_filename != NULL);
/* init CPUs */
if (cpu_model == NULL)
- cpu_model = "default";
+ cpu_model = "G4";
for (i = 0; i < smp_cpus; i++) {
env = cpu_init(cpu_model);
if (!env) {
ram_offset = qemu_ram_alloc(ram_size);
cpu_register_physical_memory(0, ram_size, ram_offset);
- /* allocate VGA RAM */
- vga_ram_offset = qemu_ram_alloc(vga_ram_size);
-
/* allocate and load BIOS */
bios_offset = qemu_ram_alloc(BIOS_SIZE);
if (bios_name == NULL)
- bios_name = BIOS_FILENAME;
+ bios_name = PROM_FILENAME;
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
- bios_size = load_image(buf, phys_ram_base + bios_offset);
+ cpu_register_physical_memory(PROM_ADDR, BIOS_SIZE, bios_offset | IO_MEM_ROM);
+
+ /* Load OpenBIOS (ELF) */
+ bios_size = load_elf(buf, 0, NULL, NULL, NULL);
if (bios_size < 0 || bios_size > BIOS_SIZE) {
- cpu_abort(env, "qemu: could not load PowerPC bios '%s'\n", buf);
+ hw_error("qemu: could not load PowerPC bios '%s'\n", buf);
exit(1);
}
- bios_size = (bios_size + 0xfff) & ~0xfff;
- if (bios_size > 0x00080000) {
- /* As the NVRAM is located at 0xFFF04000, we cannot use 1 MB BIOSes */
- cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n");
- }
- cpu_register_physical_memory((uint32_t)(-bios_size),
- bios_size, bios_offset | IO_MEM_ROM);
/* allocate and load VGA BIOS */
vga_bios_offset = qemu_ram_alloc(VGA_BIOS_SIZE);
+ vga_bios_ptr = qemu_get_ram_ptr(vga_bios_offset);
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
- vga_bios_size = load_image(buf, phys_ram_base + vga_bios_offset + 8);
+ vga_bios_size = load_image(buf, vga_bios_ptr + 8);
if (vga_bios_size < 0) {
/* if no bios is present, we can still work */
fprintf(stderr, "qemu: warning: could not load VGA bios '%s'\n", buf);
} else {
/* set a specific header (XXX: find real Apple format for NDRV
drivers) */
- phys_ram_base[vga_bios_offset] = 'N';
- phys_ram_base[vga_bios_offset + 1] = 'D';
- phys_ram_base[vga_bios_offset + 2] = 'R';
- phys_ram_base[vga_bios_offset + 3] = 'V';
- cpu_to_be32w((uint32_t *)(phys_ram_base + vga_bios_offset + 4),
- vga_bios_size);
+ vga_bios_ptr[0] = 'N';
+ vga_bios_ptr[1] = 'D';
+ vga_bios_ptr[2] = 'R';
+ vga_bios_ptr[3] = 'V';
+ cpu_to_be32w((uint32_t *)(vga_bios_ptr + 4), vga_bios_size);
vga_bios_size += 8;
}
if (linux_boot) {
+ uint64_t lowaddr = 0;
kernel_base = KERNEL_LOAD_ADDR;
- /* now we can load the kernel */
- kernel_size = load_image(kernel_filename, phys_ram_base + kernel_base);
+
+ /* Now we can load the kernel. The first step tries to load the kernel
+ supposing PhysAddr = 0x00000000. If that was wrong the kernel is
+ loaded again, the new PhysAddr being computed from lowaddr. */
+ kernel_size = load_elf(kernel_filename, kernel_base, NULL, &lowaddr, NULL);
+ if (kernel_size > 0 && lowaddr != KERNEL_LOAD_ADDR) {
+ kernel_size = load_elf(kernel_filename, (2 * kernel_base) - lowaddr,
+ NULL, 0, NULL);
+ }
+ if (kernel_size < 0)
+ kernel_size = load_aout(kernel_filename, kernel_base,
+ ram_size - kernel_base);
+ if (kernel_size < 0)
+ kernel_size = load_image_targphys(kernel_filename,
+ kernel_base,
+ ram_size - kernel_base);
if (kernel_size < 0) {
- cpu_abort(env, "qemu: could not load kernel '%s'\n",
- kernel_filename);
+ hw_error("qemu: could not load kernel '%s'\n", kernel_filename);
exit(1);
}
/* load initrd */
if (initrd_filename) {
initrd_base = INITRD_LOAD_ADDR;
- initrd_size = load_image(initrd_filename,
- phys_ram_base + initrd_base);
+ initrd_size = load_image_targphys(initrd_filename, initrd_base,
+ ram_size - initrd_base);
if (initrd_size < 0) {
- cpu_abort(env, "qemu: could not load initial ram disk '%s'\n",
- initrd_filename);
+ hw_error("qemu: could not load initial ram disk '%s'\n",
+ initrd_filename);
exit(1);
}
} else {
break;
#endif /* defined(TARGET_PPC64) */
default:
- cpu_abort(env, "Bus model not supported on mac99 machine\n");
+ hw_error("Bus model not supported on mac99 machine\n");
exit(1);
}
}
pic = openpic_init(NULL, &pic_mem_index, smp_cpus, openpic_irqs, NULL);
pci_bus = pci_pmac_init(pic);
/* init basic PC hardware */
- pci_vga_init(pci_bus, phys_ram_base + vga_ram_offset,
- vga_ram_offset, vga_ram_size,
- vga_bios_offset, vga_bios_size);
+ pci_vga_init(pci_bus, vga_bios_offset, vga_bios_size);
/* XXX: suppress that */
dummy_irq = i8259_init(NULL);
if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
graphic_depth = 15;
-#if 0 /* XXX: this is ugly but needed for now, or OHW won't boot */
+
/* The NewWorld NVRAM is not located in the MacIO device */
nvr = macio_nvram_init(&nvram_mem_index, 0x2000, 1);
pmac_format_nvram_partition(nvr, 0x2000);
macio_nvram_map(nvr, 0xFFF04000);
- nvram.opaque = nvr;
- nvram.read_fn = &macio_nvram_read;
- nvram.write_fn = &macio_nvram_write;
-#else
- m48t59 = m48t59_init(dummy_irq[8], 0xFFF04000, 0x0074, NVRAM_SIZE, 59);
- nvram.opaque = m48t59;
- nvram.read_fn = &m48t59_read;
- nvram.write_fn = &m48t59_write;
-#endif
- PPC_NVRAM_set_params(&nvram, NVRAM_SIZE, "MAC99", ram_size,
- ppc_boot_device, kernel_base, kernel_size,
- kernel_cmdline,
- initrd_base, initrd_size,
- /* XXX: need an option to load a NVRAM image */
- 0,
- graphic_width, graphic_height, graphic_depth);
/* No PCI init: the BIOS will do it */
- /* Special port to get debug messages from Open-Firmware */
- register_ioport_write(0x0F00, 4, 1, &PPC_debug_write, NULL);
+ fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
+ fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
+ fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_MAC99);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
+ if (kernel_cmdline) {
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
+ pstrcpy_targphys(CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline);
+ } else {
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
+ }
+ fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
+ fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device);
+ qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
QEMUMachine core99_machine = {
.name = "mac99",
.desc = "Mac99 based PowerMAC",
.init = ppc_core99_init,
- .ram_require = BIOS_SIZE + VGA_BIOS_SIZE + VGA_RAM_SIZE,
.max_cpus = MAX_CPUS,
};
projects / qemu / blobdiff