--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/ppc_chrp.c Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,339 @@
+/*
+ * QEMU PowerPC CHRP (currently NewWorld PowerMac) hardware System Emulator
+ *
+ * Copyright (c) 2004-2007 Fabrice Bellard
+ * Copyright (c) 2007 Jocelyn Mayer
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "hw.h"
+#include "ppc.h"
+#include "ppc_mac.h"
+#include "nvram.h"
+#include "pc.h"
+#include "pci.h"
+#include "net.h"
+#include "sysemu.h"
+#include "boards.h"
+
+#define MAX_IDE_BUS 2
+
+/* UniN device */
+static void unin_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
+{
+}
+
+static uint32_t unin_readl (void *opaque, target_phys_addr_t addr)
+{
+ return 0;
+}
+
+static CPUWriteMemoryFunc *unin_write[] = {
+ &unin_writel,
+ &unin_writel,
+ &unin_writel,
+};
+
+static CPUReadMemoryFunc *unin_read[] = {
+ &unin_readl,
+ &unin_readl,
+ &unin_readl,
+};
+
+/* PowerPC Mac99 hardware initialisation */
+static void ppc_core99_init (ram_addr_t ram_size, int vga_ram_size,
+ const char *boot_device, DisplayState *ds,
+ const char *kernel_filename,
+ const char *kernel_cmdline,
+ const char *initrd_filename,
+ const char *cpu_model)
+{
+ CPUState *env = NULL, *envs[MAX_CPUS];
+ char buf[1024];
+ qemu_irq *pic, **openpic_irqs;
+ int unin_memory;
+ int linux_boot, i;
+ unsigned long 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;
+ int ide_mem_index[2];
+ int ppc_boot_device;
+ int index;
+ BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
+
+ linux_boot = (kernel_filename != NULL);
+
+ /* init CPUs */
+ if (cpu_model == NULL)
+ cpu_model = "default";
+ for (i = 0; i < smp_cpus; i++) {
+ env = cpu_init(cpu_model);
+ if (!env) {
+ fprintf(stderr, "Unable to find PowerPC CPU definition\n");
+ exit(1);
+ }
+ /* Set time-base frequency to 100 Mhz */
+ cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
+#if 0
+ env->osi_call = vga_osi_call;
+#endif
+ qemu_register_reset(&cpu_ppc_reset, env);
+ envs[i] = env;
+ }
+ if (env->nip < 0xFFF80000) {
+ /* Special test for PowerPC 601:
+ * the boot vector is at 0xFFF00100, then we need a 1MB BIOS.
+ * But the NVRAM is located at 0xFFF04000...
+ */
+ cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n");
+ }
+
+ /* allocate RAM */
+ cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
+
+ /* allocate and load BIOS */
+ bios_offset = ram_size + vga_ram_size;
+ if (bios_name == NULL)
+ bios_name = BIOS_FILENAME;
+ snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
+ bios_size = load_image(buf, phys_ram_base + bios_offset);
+ if (bios_size < 0 || bios_size > BIOS_SIZE) {
+ cpu_abort(env, "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 = bios_offset + bios_size;
+ snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
+ vga_bios_size = load_image(buf, phys_ram_base + vga_bios_offset + 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);
+ vga_bios_size = 0;
+ } 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_size += 8;
+ }
+ vga_bios_size = (vga_bios_size + 0xfff) & ~0xfff;
+
+ if (linux_boot) {
+ kernel_base = KERNEL_LOAD_ADDR;
+ /* now we can load the kernel */
+ kernel_size = load_image(kernel_filename, phys_ram_base + kernel_base);
+ if (kernel_size < 0) {
+ cpu_abort(env, "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);
+ if (initrd_size < 0) {
+ cpu_abort(env, "qemu: could not load initial ram disk '%s'\n",
+ initrd_filename);
+ exit(1);
+ }
+ } else {
+ initrd_base = 0;
+ initrd_size = 0;
+ }
+ ppc_boot_device = 'm';
+ } else {
+ kernel_base = 0;
+ kernel_size = 0;
+ initrd_base = 0;
+ initrd_size = 0;
+ ppc_boot_device = '\0';
+ /* We consider that NewWorld PowerMac never have any floppy drive
+ * For now, OHW cannot boot from the network.
+ */
+ for (i = 0; boot_device[i] != '\0'; i++) {
+ if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
+ ppc_boot_device = boot_device[i];
+ break;
+ }
+ }
+ if (ppc_boot_device == '\0') {
+ fprintf(stderr, "No valid boot device for Mac99 machine\n");
+ exit(1);
+ }
+ }
+
+ isa_mem_base = 0x80000000;
+
+ /* Register 8 MB of ISA IO space */
+ isa_mmio_init(0xf2000000, 0x00800000);
+
+ /* UniN init */
+ unin_memory = cpu_register_io_memory(0, unin_read, unin_write, NULL);
+ cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory);
+
+ openpic_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *));
+ openpic_irqs[0] =
+ qemu_mallocz(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
+ for (i = 0; i < smp_cpus; i++) {
+ /* Mac99 IRQ connection between OpenPIC outputs pins
+ * and PowerPC input pins
+ */
+ switch (PPC_INPUT(env)) {
+ case PPC_FLAGS_INPUT_6xx:
+ openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
+ openpic_irqs[i][OPENPIC_OUTPUT_INT] =
+ ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
+ openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
+ ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
+ openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
+ ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
+ /* Not connected ? */
+ openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
+ /* Check this */
+ openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
+ ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
+ break;
+#if defined(TARGET_PPC64)
+ case PPC_FLAGS_INPUT_970:
+ openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
+ openpic_irqs[i][OPENPIC_OUTPUT_INT] =
+ ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
+ openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
+ ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
+ openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
+ ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
+ /* Not connected ? */
+ openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
+ /* Check this */
+ openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
+ ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
+ break;
+#endif /* defined(TARGET_PPC64) */
+ default:
+ cpu_abort(env, "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, ds, phys_ram_base + ram_size,
+ ram_size, vga_ram_size,
+ vga_bios_offset, vga_bios_size);
+
+ /* XXX: suppress that */
+ dummy_irq = i8259_init(NULL);
+
+ /* XXX: use Mac Serial port */
+ serial_init(0x3f8, dummy_irq[4], 115200, serial_hds[0]);
+ for(i = 0; i < nb_nics; i++) {
+ if (!nd_table[i].model)
+ nd_table[i].model = "ne2k_pci";
+ pci_nic_init(pci_bus, &nd_table[i], -1);
+ }
+ if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
+ fprintf(stderr, "qemu: too many IDE bus\n");
+ exit(1);
+ }
+ for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
+ index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
+ if (index != -1)
+ hd[i] = drives_table[index].bdrv;
+ else
+ hd[i] = NULL;
+ }
+#if 1
+ ide_mem_index[0] = pmac_ide_init(&hd[0], pic[0x13]);
+ ide_mem_index[1] = pmac_ide_init(&hd[2], pic[0x14]);
+#else
+ pci_cmd646_ide_init(pci_bus, &hd[0], 0);
+#endif
+ /* cuda also initialize ADB */
+ cuda_init(&cuda_mem_index, pic[0x19]);
+
+ adb_kbd_init(&adb_bus);
+ adb_mouse_init(&adb_bus);
+
+ dbdma_init(&dbdma_mem_index);
+
+ macio_init(pci_bus, 0x0022, 0, pic_mem_index, dbdma_mem_index,
+ cuda_mem_index, NULL, 2, ide_mem_index);
+
+ if (usb_enabled) {
+ usb_ohci_init_pci(pci_bus, 3, -1);
+ }
+
+ 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);
+ 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);
+}
+
+QEMUMachine core99_machine = {
+ .name = "mac99",
+ .desc = "Mac99 based PowerMAC",
+ .init = ppc_core99_init,
+ .ram_require = BIOS_SIZE + VGA_RAM_SIZE,
+ .max_cpus = MAX_CPUS,
+};