+
/*
* QEMU OldWorld PowerMac (currently ~G3 Beige) hardware System Emulator
*
#include "net.h"
#include "isa.h"
#include "pci.h"
+#include "usb-ohci.h"
#include "boards.h"
#include "fw_cfg.h"
#include "escc.h"
+#include "ide.h"
+#include "loader.h"
+#include "elf.h"
+#include "kvm.h"
+#include "kvm_ppc.h"
+#include "blockdev.h"
#define MAX_IDE_BUS 2
-#define VGA_BIOS_SIZE 65536
#define CFG_ADDR 0xf0000510
-/* temporary frame buffer OSI calls for the video.x driver. The right
- solution is to modify the driver to use VGA PCI I/Os */
-/* XXX: to be removed. This is no way related to emulation */
-static int vga_osi_call (CPUState *env)
+static int fw_cfg_boot_set(void *opaque, const char *boot_device)
{
- static int vga_vbl_enabled;
- int linesize;
-
- // printf("osi_call R5=" REGX "\n", ppc_dump_gpr(env, 5));
-
- /* same handler as PearPC, coming from the original MOL video
- driver. */
- switch(env->gpr[5]) {
- case 4:
- break;
- case 28: /* set_vmode */
- if (env->gpr[6] != 1 || env->gpr[7] != 0)
- env->gpr[3] = 1;
- else
- env->gpr[3] = 0;
- break;
- case 29: /* get_vmode_info */
- if (env->gpr[6] != 0) {
- if (env->gpr[6] != 1 || env->gpr[7] != 0) {
- env->gpr[3] = 1;
- break;
- }
- }
- env->gpr[3] = 0;
- env->gpr[4] = (1 << 16) | 1; /* num_vmodes, cur_vmode */
- env->gpr[5] = (1 << 16) | 0; /* num_depths, cur_depth_mode */
- env->gpr[6] = (graphic_width << 16) | graphic_height; /* w, h */
- env->gpr[7] = 85 << 16; /* refresh rate */
- env->gpr[8] = (graphic_depth + 7) & ~7; /* depth (round to byte) */
- linesize = ((graphic_depth + 7) >> 3) * graphic_width;
- linesize = (linesize + 3) & ~3;
- env->gpr[9] = (linesize << 16) | 0; /* row_bytes, offset */
- break;
- case 31: /* set_video power */
- env->gpr[3] = 0;
- break;
- case 39: /* video_ctrl */
- if (env->gpr[6] == 0 || env->gpr[6] == 1)
- vga_vbl_enabled = env->gpr[6];
- env->gpr[3] = 0;
- break;
- case 47:
- break;
- case 59: /* set_color */
- /* R6 = index, R7 = RGB */
- env->gpr[3] = 0;
- break;
- case 64: /* get color */
- /* R6 = index */
- env->gpr[3] = 0;
- break;
- case 116: /* set hwcursor */
- /* R6 = x, R7 = y, R8 = visible, R9 = data */
- break;
- default:
- fprintf(stderr, "unsupported OSI call R5=" REGX "\n",
- ppc_dump_gpr(env, 5));
- break;
- }
+ fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
+ return 0;
+}
+
- return 1; /* osi_call handled */
+static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
+{
+ return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
}
-static int fw_cfg_boot_set(void *opaque, const char *boot_device)
+static target_phys_addr_t round_page(target_phys_addr_t addr)
{
- fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
- return 0;
+ return (addr + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
}
-static void ppc_heathrow_init (ram_addr_t ram_size, int vga_ram_size,
+static void ppc_heathrow_init (ram_addr_t ram_size,
const char *boot_device,
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];
+ CPUState *env = NULL;
+ char *filename;
qemu_irq *pic, **heathrow_irqs;
int linux_boot, i;
- ram_addr_t ram_offset, bios_offset, vga_bios_offset;
- uint32_t kernel_base, initrd_base;
+ ram_addr_t ram_offset, bios_offset;
+ uint32_t kernel_base, initrd_base, cmdline_base = 0;
int32_t kernel_size, initrd_size;
PCIBus *pci_bus;
MacIONVRAMState *nvr;
- int vga_bios_size, bios_size;
+ int bios_size;
int pic_mem_index, nvram_mem_index, dbdma_mem_index, cuda_mem_index;
int escc_mem_index, ide_mem_index[2];
uint16_t ppc_boot_device;
- BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
- int index;
+ DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
void *fw_cfg;
void *dbdma;
- uint8_t *vga_bios_ptr;
linux_boot = (kernel_filename != NULL);
}
/* Set time-base frequency to 16.6 Mhz */
cpu_ppc_tb_init(env, 16600000UL);
- env->osi_call = vga_osi_call;
- qemu_register_reset(&cpu_ppc_reset, env);
- envs[i] = env;
+ qemu_register_reset((QEMUResetHandler*)&cpu_reset, env);
}
/* allocate RAM */
exit(1);
}
- ram_offset = qemu_ram_alloc(ram_size);
+ ram_offset = qemu_ram_alloc(NULL, "ppc_heathrow.ram", ram_size);
cpu_register_physical_memory(0, ram_size, ram_offset);
/* allocate and load BIOS */
- bios_offset = qemu_ram_alloc(BIOS_SIZE);
+ bios_offset = qemu_ram_alloc(NULL, "ppc_heathrow.bios", BIOS_SIZE);
if (bios_name == NULL)
bios_name = PROM_FILENAME;
- snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
+ filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
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 (filename) {
+ bios_size = load_elf(filename, 0, NULL, NULL, NULL, NULL,
+ 1, ELF_MACHINE, 0);
+ qemu_free(filename);
+ } else {
+ bios_size = -1;
+ }
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", bios_name);
exit(1);
}
- /* 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, 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);
- vga_bios_size = 0;
- } else {
- /* set a specific header (XXX: find real Apple format for NDRV
- drivers) */
- 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;
+ int bswap_needed;
+
+#ifdef BSWAP_NEEDED
+ bswap_needed = 1;
+#else
+ bswap_needed = 0;
+#endif
kernel_base = KERNEL_LOAD_ADDR;
- /* 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);
- }
+ kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
+ NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
if (kernel_size < 0)
kernel_size = load_aout(kernel_filename, kernel_base,
- ram_size - kernel_base);
+ ram_size - kernel_base, bswap_needed,
+ TARGET_PAGE_SIZE);
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",
+ hw_error("qemu: could not load kernel '%s'\n",
kernel_filename);
exit(1);
}
/* load initrd */
if (initrd_filename) {
- initrd_base = INITRD_LOAD_ADDR;
+ initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
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);
}
+ cmdline_base = round_page(initrd_base + initrd_size);
} else {
initrd_base = 0;
initrd_size = 0;
+ cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
}
ppc_boot_device = 'm';
} else {
((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
break;
default:
- cpu_abort(env, "Bus model not supported on OldWorld Mac machine\n");
- exit(1);
+ hw_error("Bus model not supported on OldWorld Mac machine\n");
}
}
/* init basic PC hardware */
if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
- cpu_abort(env, "Only 6xx bus is supported on heathrow machine\n");
- exit(1);
+ hw_error("Only 6xx bus is supported on heathrow machine\n");
}
pic = heathrow_pic_init(&pic_mem_index, 1, heathrow_irqs);
pci_bus = pci_grackle_init(0xfec00000, pic);
- pci_vga_init(pci_bus, vga_ram_size,
- vga_bios_offset, vga_bios_size);
+ pci_vga_init(pci_bus);
escc_mem_index = escc_init(0x80013000, pic[0x0f], pic[0x10], serial_hds[0],
serial_hds[1], ESCC_CLOCK, 4);
for(i = 0; i < nb_nics; i++)
- pci_nic_init(pci_bus, &nd_table[i], -1, "ne2k_pci");
+ pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);
- if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
- fprintf(stderr, "qemu: too many IDE bus\n");
- exit(1);
- }
+ ide_drive_get(hd, MAX_IDE_BUS);
/* First IDE channel is a MAC IDE on the MacIO bus */
- index = drive_get_index(IF_IDE, 0, 0);
- if (index == -1)
- hd[0] = NULL;
- else
- hd[0] = drives_table[index].bdrv;
- index = drive_get_index(IF_IDE, 0, 1);
- if (index == -1)
- hd[1] = NULL;
- else
- hd[1] = drives_table[index].bdrv;
dbdma = DBDMA_init(&dbdma_mem_index);
ide_mem_index[0] = -1;
ide_mem_index[1] = pmac_ide_init(hd, pic[0x0D], dbdma, 0x16, pic[0x02]);
/* Second IDE channel is a CMD646 on the PCI bus */
- index = drive_get_index(IF_IDE, 1, 0);
- if (index == -1)
- hd[0] = NULL;
- else
- hd[0] = drives_table[index].bdrv;
- index = drive_get_index(IF_IDE, 1, 1);
- if (index == -1)
- hd[1] = NULL;
- else
- hd[1] = drives_table[index].bdrv;
+ hd[0] = hd[MAX_IDE_DEVS];
+ hd[1] = hd[MAX_IDE_DEVS + 1];
hd[3] = hd[2] = NULL;
pci_cmd646_ide_init(pci_bus, hd, 0);
escc_mem_index);
if (usb_enabled) {
- usb_ohci_init_pci(pci_bus, 3, -1);
+ usb_ohci_init_pci(pci_bus, -1);
}
if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
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);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
+ pstrcpy_targphys("cmdline", cmdline_base, 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);
+
+ 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 = qemu_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);
}
-QEMUMachine heathrow_machine = {
+static QEMUMachine heathrow_machine = {
.name = "g3beige",
.desc = "Heathrow based PowerMAC",
.init = ppc_heathrow_init,
- .ram_require = BIOS_SIZE + VGA_BIOS_SIZE + VGA_RAM_SIZE,
.max_cpus = MAX_CPUS,
+#ifndef TARGET_PPC64
+ .is_default = 1,
+#endif
};
+
+static void heathrow_machine_init(void)
+{
+ qemu_register_machine(&heathrow_machine);
+}
+
+machine_init(heathrow_machine_init);
projects / qemu.git / blobdiff