@@ -227,6 +227,7 @@ obj-ppc-y += vga.o
# PREP target
obj-ppc-y += i8259.o mc146818rtc.o
obj-ppc-y += ppc_prep.o
+obj-ppc-y += ppc_bebox.o
# OldWorld PowerMac
obj-ppc-y += ppc_oldworld.o
# NewWorld PowerMac
@@ -515,6 +515,142 @@ out:
return ret;
}
+/* BeBox ROM image loader */
+
+struct bebox_image_header {
+ uint32_t entry;
+ uint32_t TOC;
+ uint32_t serial_num[2];
+ uint32_t checksum;
+ uint32_t addr;
+ uint32_t size;
+ uint32_t segtable;
+ char date[32];
+};
+
+struct bebox_image_section {
+ uint32_t size;
+ uint32_t offset;
+ uint32_t addr;
+ uint32_t zsize;
+};
+
+static void bswap_bebox_header(struct bebox_image_header *hdr)
+{
+#ifndef HOST_WORDS_BIGENDIAN
+ bswap32s(&hdr->entry);
+ bswap32s(&hdr->TOC);
+ bswap32s(&hdr->serial_num[0]);
+ bswap32s(&hdr->serial_num[1]);
+ bswap32s(&hdr->checksum);
+ bswap32s(&hdr->addr);
+ bswap32s(&hdr->size);
+ bswap32s(&hdr->segtable);
+#endif
+}
+
+static void bswap_bebox_section(struct bebox_image_section *sec)
+{
+#ifndef HOST_WORDS_BIGENDIAN
+ bswap32s(&sec->size);
+ bswap32s(&sec->addr);
+ bswap32s(&sec->offset);
+ bswap32s(&sec->zsize);
+#endif
+}
+
+/* Load a BeBox nub image. */
+int load_bebox(const char *filename, target_phys_addr_t *ep,
+ target_phys_addr_t *ds, target_phys_addr_t *loadaddr)
+{
+ int fd;
+ int size;
+ int i;
+ struct bebox_image_header h;
+ struct bebox_image_header *hdr = &h;
+ struct bebox_image_section s;
+ struct bebox_image_section *sec = &s;
+ uint8_t *data = NULL;
+ int ret = -1;
+fprintf(stderr, "%s(%s)\n", __FUNCTION__, filename);
+ fd = open(filename, O_RDONLY | O_BINARY);
+ if (fd < 0)
+ return -1;
+
+ size = read(fd, hdr, sizeof(uboot_image_header_t));
+ if (size < sizeof(uboot_image_header_t))
+ goto out;
+
+fprintf(stderr, "%s: %d read\n", __FUNCTION__, size);
+ bswap_bebox_header(hdr);
+
+fprintf(stderr, "%s: entry %08x addr %08x\n", __FUNCTION__, hdr->entry, hdr->addr);
+ /* XXX: all known images load there, but... */
+ if (hdr->entry != 0xfff00100)
+ goto out;
+ if (hdr->addr != 0xfff00000)
+ goto out;
+ /* date field seems be ASCII, ends with \n and \0 padded */
+ for (i = 0; i < 32; i++) {
+ if (!qemu_isprint(hdr->date[i]))
+ break;
+ }
+ if (i >= 32 || hdr->date[i] != '\n')
+ goto out;
+ i++;
+ for (; i < 32; i++) {
+ if (hdr->date[i] != '\0')
+ goto out;
+ }
+
+ /* TODO: check sum */
+
+fprintf(stderr, "%s: hdr ok\n", __FUNCTION__);
+ /* it seems the image is supposed to be loaded at hdr->addr,
+ * then the primary boot nub relocates the sections itself, copying some in RAM.
+ * But we don't have the image for the primary boot nub, so we do it on our own. */
+
+ *ep = hdr->entry;
+ *ds = hdr->TOC;
+ data = qemu_malloc(hdr->size);
+
+ /* we also include the header when flashing */
+ lseek(fd, 0, SEEK_SET);
+
+ if (read(fd, data, hdr->size) != hdr->size) {
+ fprintf(stderr, "Error reading file\n");
+ goto out;
+ }
+
+ rom_add_blob_fixed(filename, data, hdr->size, hdr->addr);
+
+ if (loadaddr)
+ *loadaddr = hdr->addr;
+
+fprintf(stderr, "%s: loaded @ %08x\n", __FUNCTION__, *loadaddr);
+
+ /* relocate sections */
+ for (i = 0; ; i++) {
+ memcpy(sec, data + hdr->segtable + i * sizeof(*sec), sizeof(*sec));
+ bswap_bebox_section(sec);
+fprintf(stderr, "%s: section: offset %08x addr %08x size %d zsize %d \n", __FUNCTION__, sec->offset, sec->addr, sec->size, sec->zsize);
+ if (sec->size == 0 && sec->zsize == 0)
+ break;
+ /* already there */
+ if (sec->addr == -1 || sec->addr == (hdr->addr + sec->offset))
+ continue;
+ rom_add_blob_z(filename, data + sec->offset, sec->size, sec->addr, sec->zsize);
+ }
+
+ ret = hdr->size;
+
+out:
+ if (data)
+ qemu_free(data);
+ close(fd);
+ return ret;
+}
+
/*
* Functions for reboot-persistent memory regions.
* - used for vga bios and option roms.
@@ -640,6 +776,21 @@ int rom_add_blob(const char *name, const void *blob, size_t len,
return 0;
}
+int rom_add_blob_z(const char *name, const void *blob, size_t len,
+ target_phys_addr_t addr, size_t zlen)
+{
+ Rom *rom;
+
+ rom = qemu_mallocz(sizeof(*rom));
+ rom->name = qemu_strdup(name);
+ rom->addr = addr;
+ rom->romsize = len + zlen;
+ rom->data = qemu_mallocz(rom->romsize);
+ memcpy(rom->data, blob, len);
+ rom_insert(rom);
+ return 0;
+}
+
int rom_add_vga(const char *file)
{
return rom_add_file(file, "vgaroms", 0, -1);
@@ -13,6 +13,8 @@ int load_aout(const char *filename, target_phys_addr_t addr, int max_sz,
int bswap_needed, target_phys_addr_t target_page_size);
int load_uimage(const char *filename, target_phys_addr_t *ep,
target_phys_addr_t *loadaddr, int *is_linux);
+int load_bebox(const char *filename, target_phys_addr_t *ep,
+ target_phys_addr_t *ds, target_phys_addr_t *loadaddr);
int read_targphys(const char *name,
int fd, target_phys_addr_t dst_addr, size_t nbytes);
@@ -25,6 +27,8 @@ int rom_add_file(const char *file, const char *fw_dir,
target_phys_addr_t addr, int32_t bootindex);
int rom_add_blob(const char *name, const void *blob, size_t len,
target_phys_addr_t addr);
+int rom_add_blob_z(const char *name, const void *blob, size_t len,
+ target_phys_addr_t addr, size_t zlen);
int rom_load_all(void);
void rom_set_fw(void *f);
int rom_copy(uint8_t *dest, target_phys_addr_t addr, size_t size);
new file mode 100644
@@ -0,0 +1,822 @@
+/*
+ * QEMU PPC BeBox hardware System Emulator
+ *
+ * Copyright (c) 2003-2007 Jocelyn Mayer
+ * Copyright (c) 2010 François Revol
+ *
+ * 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 "nvram.h"
+#include "pc.h"
+#include "fdc.h"
+#include "net.h"
+#include "sysemu.h"
+#include "isa.h"
+#include "pci.h"
+#include "prep_pci.h"
+#include "usb-ohci.h"
+#include "ppc.h"
+#include "boards.h"
+#include "qemu-log.h"
+#include "ide.h"
+#include "loader.h"
+#include "mc146818rtc.h"
+#include "blockdev.h"
+
+#define HARD_DEBUG_PPC_IO
+#define DEBUG_PPC_IO
+
+/*
+ * References:
+ * http://www.netbsd.org/ports/bebox/hardware.html
+ * http://haiku-os.org/legacy-docs/benewsletter/Issue1-5.html
+ * http://mail-index.netbsd.org/port-bebox/2000/02/03/0000.html
+ * http://testou.free.fr/www.beatjapan.org/mirror/www.be.com/products/bebox/dual603spec.html
+ * http://plus.mobianlegends.com/emulators/advancemess-0.102.0.1/advancemess-0.102.0.1/mess/machine/bebox.c
+ */
+
+/* SMP is not enabled, for now */
+#define MAX_CPUS 1
+
+#define MAX_IDE_BUS 2
+
+//#define BIOS_ADDR 0xff000000
+//#define BIOS_SIZE (16*1024 * 1024)
+#define BIOS_ADDR 0xfff00000
+#define BIOS_SIZE (1024 * 1024)
+//#define BIOS_FILENAME "ppc_rom.bin"
+#define BIOS_FILENAME "bootnub.image"
+
+#define KERNEL_LOAD_ADDR 0x01000000
+#define INITRD_LOAD_ADDR 0x01800000
+
+#if defined (HARD_DEBUG_PPC_IO) && !defined (DEBUG_PPC_IO)
+#define DEBUG_PPC_IO
+#endif
+
+#if defined (HARD_DEBUG_PPC_IO)
+#define PPC_IO_DPRINTF(fmt, ...) \
+do { \
+ if (qemu_loglevel_mask(CPU_LOG_IOPORT)) { \
+ qemu_log("%s: " fmt, __func__ , ## __VA_ARGS__); \
+ } else { \
+ printf("%s : " fmt, __func__ , ## __VA_ARGS__); \
+ } \
+} while (0)
+#elif defined (DEBUG_PPC_IO)
+#define PPC_IO_DPRINTF(fmt, ...) \
+qemu_log_mask(CPU_LOG_IOPORT, fmt, ## __VA_ARGS__)
+#else
+#define PPC_IO_DPRINTF(fmt, ...) do { } while (0)
+#endif
+
+static target_phys_addr_t bios_entry = 0;
+
+/* Constants for devices init */
+static const int ide_iobase[2] = { 0x1f0, 0x170 };
+static const int ide_iobase2[2] = { 0x3f6, 0x376 };
+static const int ide_irq[2] = { 13, /*WTF:13*/14 };
+
+#define NE2000_NB_MAX 6
+
+static uint32_t ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360, 0x280, 0x380 };
+static int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 };
+
+//static PITState *pit;
+
+/* ISA IO ports bridge */
+#define PPC_IO_BASE 0x80000000
+
+#if 0
+/* Speaker port 0x61 */
+static int speaker_data_on;
+static int dummy_refresh_clock;
+#endif
+
+static void speaker_ioport_write (void *opaque, uint32_t addr, uint32_t val)
+{
+fprintf(stderr, "%s(,%08x,%d %08x)\n", __FUNCTION__, addr, val, val);
+#if 0
+ speaker_data_on = (val >> 1) & 1;
+ pit_set_gate(pit, 2, val & 1);
+#endif
+}
+
+static uint32_t speaker_ioport_read (void *opaque, uint32_t addr)
+{
+fprintf(stderr, "%s(,%08x)\n", __FUNCTION__, addr);
+#if 0
+ int out;
+ out = pit_get_out(pit, 2, qemu_get_clock(vm_clock));
+ dummy_refresh_clock ^= 1;
+ return (speaker_data_on << 1) | pit_get_gate(pit, 2) | (out << 5) |
+ (dummy_refresh_clock << 4);
+#endif
+ return 0;
+}
+
+/* PCI intack register */
+/* Read-only register (?) */
+static void _PPC_intack_write (void *opaque,
+ target_phys_addr_t addr, uint32_t value)
+{
+#if 1
+ printf("%s: 0x" TARGET_FMT_plx " => 0x%08" PRIx32 "\n", __func__, addr,
+ value);
+#endif
+}
+
+static inline uint32_t _PPC_intack_read(target_phys_addr_t addr)
+{
+ uint32_t retval = 0;
+
+ if ((addr & 0xf) == 0)
+ retval = pic_intack_read(isa_pic);
+#if 1
+ printf("%s: 0x" TARGET_FMT_plx " <= %08" PRIx32 "\n", __func__, addr,
+ retval);
+#endif
+
+ return retval;
+}
+
+static uint32_t PPC_intack_readb (void *opaque, target_phys_addr_t addr)
+{
+ return _PPC_intack_read(addr);
+}
+
+static uint32_t PPC_intack_readw (void *opaque, target_phys_addr_t addr)
+{
+ return _PPC_intack_read(addr);
+}
+
+static uint32_t PPC_intack_readl (void *opaque, target_phys_addr_t addr)
+{
+ return _PPC_intack_read(addr);
+}
+
+static CPUWriteMemoryFunc * const PPC_intack_write[] = {
+ &_PPC_intack_write,
+ &_PPC_intack_write,
+ &_PPC_intack_write,
+};
+
+static CPUReadMemoryFunc * const PPC_intack_read[] = {
+ &PPC_intack_readb,
+ &PPC_intack_readw,
+ &PPC_intack_readl,
+};
+
+/* PowerPC control and status registers */
+#if 0 // Not used
+static struct {
+ /* IDs */
+ uint32_t veni_devi;
+ uint32_t revi;
+ /* Control and status */
+ uint32_t gcsr;
+ uint32_t xcfr;
+ uint32_t ct32;
+ uint32_t mcsr;
+ /* General purpose registers */
+ uint32_t gprg[6];
+ /* Exceptions */
+ uint32_t feen;
+ uint32_t fest;
+ uint32_t fema;
+ uint32_t fecl;
+ uint32_t eeen;
+ uint32_t eest;
+ uint32_t eecl;
+ uint32_t eeint;
+ uint32_t eemck0;
+ uint32_t eemck1;
+ /* Error diagnostic */
+} XCSR;
+
+static void PPC_XCSR_writeb (void *opaque,
+ target_phys_addr_t addr, uint32_t value)
+{
+ printf("%s: 0x" TARGET_FMT_plx " => 0x%08" PRIx32 "\n", __func__, addr,
+ value);
+}
+
+static void PPC_XCSR_writew (void *opaque,
+ target_phys_addr_t addr, uint32_t value)
+{
+ printf("%s: 0x" TARGET_FMT_plx " => 0x%08" PRIx32 "\n", __func__, addr,
+ value);
+}
+
+static void PPC_XCSR_writel (void *opaque,
+ target_phys_addr_t addr, uint32_t value)
+{
+ printf("%s: 0x" TARGET_FMT_plx " => 0x%08" PRIx32 "\n", __func__, addr,
+ value);
+}
+
+static uint32_t PPC_XCSR_readb (void *opaque, target_phys_addr_t addr)
+{
+ uint32_t retval = 0;
+
+ printf("%s: 0x" TARGET_FMT_plx " <= %08" PRIx32 "\n", __func__, addr,
+ retval);
+
+ return retval;
+}
+
+static uint32_t PPC_XCSR_readw (void *opaque, target_phys_addr_t addr)
+{
+ uint32_t retval = 0;
+
+ printf("%s: 0x" TARGET_FMT_plx " <= %08" PRIx32 "\n", __func__, addr,
+ retval);
+
+ return retval;
+}
+
+static uint32_t PPC_XCSR_readl (void *opaque, target_phys_addr_t addr)
+{
+ uint32_t retval = 0;
+
+ printf("%s: 0x" TARGET_FMT_plx " <= %08" PRIx32 "\n", __func__, addr,
+ retval);
+
+ return retval;
+}
+
+static CPUWriteMemoryFunc * const PPC_XCSR_write[] = {
+ &PPC_XCSR_writeb,
+ &PPC_XCSR_writew,
+ &PPC_XCSR_writel,
+};
+
+static CPUReadMemoryFunc * const PPC_XCSR_read[] = {
+ &PPC_XCSR_readb,
+ &PPC_XCSR_readw,
+ &PPC_XCSR_readl,
+};
+#endif
+
+/* Fake super-io ports for BeBox platform (Intel 82378ZB) */
+typedef struct sysctrl_t {
+ qemu_irq reset_irq;
+ M48t59State *nvram;
+ uint8_t state;
+ uint8_t syscontrol;
+ uint8_t fake_io[2];
+ int contiguous_map;
+ int endian;
+} sysctrl_t;
+
+enum {
+ STATE_HARDFILE = 0x01,
+};
+
+static sysctrl_t *sysctrl;
+
+static void BeBox_io_write (void *opaque, uint32_t addr, uint32_t val)
+{
+ sysctrl_t *sysctrl = opaque;
+
+ PPC_IO_DPRINTF("0x%08" PRIx32 " => 0x%02" PRIx32 "\n", addr - PPC_IO_BASE,
+ val);
+ sysctrl->fake_io[addr - 0x0398] = val;
+}
+
+static uint32_t BeBox_io_read (void *opaque, uint32_t addr)
+{
+ sysctrl_t *sysctrl = opaque;
+
+ PPC_IO_DPRINTF("0x%08" PRIx32 " <= 0x%02" PRIx32 "\n", addr - PPC_IO_BASE,
+ sysctrl->fake_io[addr - 0x0398]);
+ return sysctrl->fake_io[addr - 0x0398];
+}
+
+static void BeBox_io_800_writeb (void *opaque, uint32_t addr, uint32_t val)
+{
+ sysctrl_t *sysctrl = opaque;
+
+ PPC_IO_DPRINTF("0x%08" PRIx32 " => 0x%02" PRIx32 "\n",
+ addr - PPC_IO_BASE, val);
+ switch (addr) {
+ case 0x0092:
+ /* Special port 92 */
+ /* Check soft reset asked */
+ if (val & 0x01) {
+ qemu_irq_raise(sysctrl->reset_irq);
+ } else {
+ qemu_irq_lower(sysctrl->reset_irq);
+ }
+ /* Check LE mode */
+ if (val & 0x02) {
+ sysctrl->endian = 1;
+ } else {
+ sysctrl->endian = 0;
+ }
+ break;
+ case 0x0800:
+ /* Motorola CPU configuration register : read-only */
+ break;
+ case 0x0802:
+ /* Motorola base module feature register : read-only */
+ break;
+ case 0x0803:
+ /* Motorola base module status register : read-only */
+ break;
+ case 0x0808:
+ /* Hardfile light register */
+ if (val & 1)
+ sysctrl->state |= STATE_HARDFILE;
+ else
+ sysctrl->state &= ~STATE_HARDFILE;
+ break;
+ case 0x0810:
+ /* Password protect 1 register */
+ if (sysctrl->nvram != NULL)
+ m48t59_toggle_lock(sysctrl->nvram, 1);
+ break;
+ case 0x0812:
+ /* Password protect 2 register */
+ if (sysctrl->nvram != NULL)
+ m48t59_toggle_lock(sysctrl->nvram, 2);
+ break;
+ case 0x0814:
+ /* L2 invalidate register */
+ // tlb_flush(first_cpu, 1);
+ break;
+ case 0x081C:
+ /* system control register */
+ sysctrl->syscontrol = val & 0x0F;
+ break;
+ case 0x0850:
+ /* I/O map type register */
+ sysctrl->contiguous_map = val & 0x01;
+ break;
+ default:
+ printf("ERROR: unaffected IO port write: %04" PRIx32
+ " => %02" PRIx32"\n", addr, val);
+ break;
+ }
+}
+
+static uint32_t BeBox_io_800_readb (void *opaque, uint32_t addr)
+{
+ sysctrl_t *sysctrl = opaque;
+ uint32_t retval = 0xFF;
+
+ switch (addr) {
+ case 0x0092:
+ /* Special port 92 */
+ retval = 0x00;
+ break;
+ case 0x0800:
+ /* Motorola CPU configuration register */
+ retval = 0xEF; /* MPC750 */
+ break;
+ case 0x0802:
+ /* Motorola Base module feature register */
+ retval = 0xAD; /* No ESCC, PMC slot neither ethernet */
+ break;
+ case 0x0803:
+ /* Motorola base module status register */
+ retval = 0xE0; /* Standard MPC750 */
+ break;
+ case 0x080C:
+ /* Equipment present register:
+ * no L2 cache
+ * no upgrade processor
+ * no cards in PCI slots
+ * SCSI fuse is bad
+ */
+ retval = 0x3C;
+ break;
+ case 0x0810:
+ /* Motorola base module extended feature register */
+ retval = 0x39; /* No USB, CF and PCI bridge. NVRAM present */
+ break;
+ case 0x0814:
+ /* L2 invalidate: don't care */
+ break;
+ case 0x0818:
+ /* Keylock */
+ retval = 0x00;
+ break;
+ case 0x081C:
+ /* system control register
+ * 7 - 6 / 1 - 0: L2 cache enable
+ */
+ retval = sysctrl->syscontrol;
+ break;
+ case 0x0823:
+ /* */
+ retval = 0x03; /* no L2 cache */
+ break;
+ case 0x0850:
+ /* I/O map type register */
+ retval = sysctrl->contiguous_map;
+ break;
+ default:
+ printf("ERROR: unaffected IO port: %04" PRIx32 " read\n", addr);
+ break;
+ }
+ PPC_IO_DPRINTF("0x%08" PRIx32 " <= 0x%02" PRIx32 "\n",
+ addr - PPC_IO_BASE, retval);
+
+ return retval;
+}
+
+static inline target_phys_addr_t bebox_IO_address(sysctrl_t *sysctrl,
+ target_phys_addr_t addr)
+{
+ if (sysctrl->contiguous_map == 0) {
+ /* 64 KB contiguous space for IOs */
+ addr &= 0xFFFF;
+ } else {
+ /* 8 MB non-contiguous space for IOs */
+ addr = (addr & 0x1F) | ((addr & 0x007FFF000) >> 7);
+ }
+
+ return addr;
+}
+
+static void PPC_bebox_io_writeb (void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ sysctrl_t *sysctrl = opaque;
+
+ addr = bebox_IO_address(sysctrl, addr);
+ cpu_outb(addr, value);
+}
+
+static uint32_t PPC_bebox_io_readb (void *opaque, target_phys_addr_t addr)
+{
+ sysctrl_t *sysctrl = opaque;
+ uint32_t ret;
+
+ addr = bebox_IO_address(sysctrl, addr);
+ ret = cpu_inb(addr);
+
+ return ret;
+}
+
+static void PPC_bebox_io_writew (void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ sysctrl_t *sysctrl = opaque;
+
+ addr = bebox_IO_address(sysctrl, addr);
+ PPC_IO_DPRINTF("0x" TARGET_FMT_plx " => 0x%08" PRIx32 "\n", addr, value);
+ cpu_outw(addr, value);
+}
+
+static uint32_t PPC_bebox_io_readw (void *opaque, target_phys_addr_t addr)
+{
+ sysctrl_t *sysctrl = opaque;
+ uint32_t ret;
+
+ addr = bebox_IO_address(sysctrl, addr);
+ ret = cpu_inw(addr);
+ PPC_IO_DPRINTF("0x" TARGET_FMT_plx " <= 0x%08" PRIx32 "\n", addr, ret);
+
+ return ret;
+}
+
+static void PPC_bebox_io_writel (void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ sysctrl_t *sysctrl = opaque;
+
+ addr = bebox_IO_address(sysctrl, addr);
+ PPC_IO_DPRINTF("0x" TARGET_FMT_plx " => 0x%08" PRIx32 "\n", addr, value);
+ cpu_outl(addr, value);
+}
+
+static uint32_t PPC_bebox_io_readl (void *opaque, target_phys_addr_t addr)
+{
+ sysctrl_t *sysctrl = opaque;
+ uint32_t ret;
+
+ addr = bebox_IO_address(sysctrl, addr);
+ ret = cpu_inl(addr);
+ PPC_IO_DPRINTF("0x" TARGET_FMT_plx " <= 0x%08" PRIx32 "\n", addr, ret);
+
+ return ret;
+}
+
+static CPUWriteMemoryFunc * const PPC_bebox_io_write[] = {
+ &PPC_bebox_io_writeb,
+ &PPC_bebox_io_writew,
+ &PPC_bebox_io_writel,
+};
+
+static CPUReadMemoryFunc * const PPC_bebox_io_read[] = {
+ &PPC_bebox_io_readb,
+ &PPC_bebox_io_readw,
+ &PPC_bebox_io_readl,
+};
+
+#define NVRAM_SIZE 0x2000
+
+static void main_cpu_reset(void *opaque)
+{
+ CPUState *env = opaque;
+
+ cpu_reset(env);
+ if (bios_entry) {
+ env->nip = bios_entry;
+ //HACK
+ env->gpr[2] = env->gpr[13] = 0x600000;
+ }
+}
+
+
+static void cpu_request_exit(void *opaque, int irq, int level)
+{
+ CPUState *env = cpu_single_env;
+
+ if (env && level) {
+ cpu_exit(env);
+ }
+}
+
+/* PowerPC BeBox hardware initialisation */
+static void ppc_bebox_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;
+ char *filename;
+ nvram_t nvram;
+ M48t59State *m48t59;
+ int PPC_io_memory;
+ int linux_boot, i, nb_nics1, bios_size;
+ ram_addr_t ram_offset, bios_offset;
+ uint32_t kernel_base, initrd_base;
+ long kernel_size, initrd_size;
+ PCIBus *pci_bus;
+ qemu_irq *i8259;
+ qemu_irq *cpu_exit_irq;
+ int ppc_boot_device;
+ DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
+ DriveInfo *fd[MAX_FD];
+
+ sysctrl = qemu_mallocz(sizeof(sysctrl_t));
+sysctrl->fake_io[0] = 0xff;
+
+ linux_boot = (kernel_filename != NULL);
+
+ /* init CPUs */
+ if (cpu_model == NULL)
+ cpu_model = "603e";
+ 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);
+ }
+ if (env->flags & POWERPC_FLAG_RTC_CLK) {
+ /* POWER / PowerPC 601 RTC clock frequency is 7.8125 MHz */
+ cpu_ppc_tb_init(env, 7812500UL);
+ } else {
+ /* Set time-base frequency to 100 Mhz */
+ cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
+ }
+ //qemu_register_reset((QEMUResetHandler*)&cpu_reset, env);
+ qemu_register_reset(main_cpu_reset, env);
+ }
+
+ /* allocate RAM */
+ ram_offset = qemu_ram_alloc(NULL, "ppc_bebox.ram", ram_size);
+ cpu_register_physical_memory(0, ram_size, ram_offset);
+
+ /* allocate and load BIOS */
+ bios_offset = qemu_ram_alloc(NULL, "ppc_bebox.bios", BIOS_SIZE);
+ if (bios_name == NULL)
+ bios_name = BIOS_FILENAME;
+ filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
+ if (filename) {
+ bios_size = get_image_size(filename);
+ } else {
+ bios_size = -1;
+ }
+ if (bios_size > 0 && bios_size <= BIOS_SIZE) {
+ target_phys_addr_t bios_addr = BIOS_ADDR;
+ target_phys_addr_t entry = 0;
+ target_phys_addr_t toc = 0;
+ bios_size = BIOS_SIZE;
+ //bios_size = (bios_size + 0xfff) & ~0xfff;
+ //bios_addr = (uint32_t)(-bios_size);
+fprintf(stderr, "bs %08x @ %08x\n", bios_size, bios_addr);
+ cpu_register_physical_memory(bios_addr, bios_size,
+ bios_offset | IO_MEM_ROM);
+ //bios_size = load_image_targphys(filename, bios_addr, bios_size);
+ bios_size = load_bebox(filename, &entry, &toc, &bios_addr);
+ if (entry > 0)
+ env->nip = bios_entry = entry;
+ if (toc > 0)
+ env->gpr[2] = env->gpr[13] = toc;
+ ppc_boot_device = 'm';
+ }
+ if (bios_size < 0 || bios_size > BIOS_SIZE) {
+ hw_error("qemu: could not load PPC BeBox bios '%s'\n", bios_name);
+ }
+ if (filename) {
+ qemu_free(filename);
+ }
+/*
+ if (env->nip < 0xFFF80000 && bios_size < 0x00100000) {
+ hw_error("PowerPC 601 / 620 / 970 need a 1MB BIOS\n");
+ }
+*/
+
+ if (linux_boot) {
+ kernel_base = KERNEL_LOAD_ADDR;
+ /* now we can load the kernel */
+ kernel_size = load_image_targphys(kernel_filename, kernel_base,
+ ram_size - kernel_base);
+ if (kernel_size < 0) {
+ 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_targphys(initrd_filename, initrd_base,
+ ram_size - initrd_base);
+ if (initrd_size < 0) {
+ hw_error("qemu: could not load initial ram disk '%s'\n",
+ initrd_filename);
+ }
+ } 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';
+ /* For now, OHW cannot boot from the network. */
+ for (i = 0; boot_device[i] != '\0'; i++) {
+ if (boot_device[i] >= 'a' && 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 = 0xc0000000;
+ if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
+ hw_error("Only 6xx bus is supported on BeBox machine\n");
+ }
+ i8259 = i8259_init(first_cpu->irq_inputs[PPC6xx_INPUT_INT]);
+ pci_bus = pci_prep_init(i8259);
+ /* Hmm, bebox has no pci-isa bridge ??? */
+ isa_bus_new(NULL);
+ isa_bus_irqs(i8259);
+ // pci_bus = i440fx_init();
+ /* Register 8 MB of ISA IO space (needed for non-contiguous map) */
+ PPC_io_memory = cpu_register_io_memory(PPC_bebox_io_read,
+ PPC_bebox_io_write, sysctrl,
+ DEVICE_LITTLE_ENDIAN);
+ cpu_register_physical_memory(0x80000000, 0x00800000, PPC_io_memory);
+
+ /* init basic PC hardware */
+ pci_vga_init(pci_bus);
+ // openpic = openpic_init(0x00000000, 0xF0000000, 1);
+ // pit = pit_init(0x40, i8259[0]);
+ rtc_init(2000, NULL);
+
+ if (serial_hds[0])
+ serial_isa_init(0, serial_hds[0]);
+ nb_nics1 = nb_nics;
+ if (nb_nics1 > NE2000_NB_MAX)
+ nb_nics1 = NE2000_NB_MAX;
+ for(i = 0; i < nb_nics1; i++) {
+ if (nd_table[i].model == NULL) {
+ nd_table[i].model = qemu_strdup("ne2k_isa");
+ }
+ if (strcmp(nd_table[i].model, "ne2k_isa") == 0) {
+ isa_ne2000_init(ne2000_io[i], ne2000_irq[i], &nd_table[i]);
+ } else {
+ 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);
+ }
+
+ for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
+ hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
+ }
+
+ for(i = 0; i < MAX_IDE_BUS; i++) {
+ isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
+ hd[2 * i],
+ hd[2 * i + 1]);
+ }
+ isa_create_simple("i8042");
+
+ cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
+ DMA_init(1, cpu_exit_irq);
+
+ // SB16_init();
+
+ for(i = 0; i < MAX_FD; i++) {
+ fd[i] = drive_get(IF_FLOPPY, 0, i);
+ }
+ fdctrl_init_isa(fd);
+
+ /* Register speaker port */
+ register_ioport_read(0x61, 1, 1, speaker_ioport_read, NULL);
+ register_ioport_write(0x61, 1, 1, speaker_ioport_write, NULL);
+ /* Register fake IO ports for BeBox */
+ sysctrl->reset_irq = first_cpu->irq_inputs[PPC6xx_INPUT_HRESET];
+ register_ioport_read(0x398, 2, 1, &BeBox_io_read, sysctrl);
+ register_ioport_write(0x398, 2, 1, &BeBox_io_write, sysctrl);
+ /* System control ports */
+ register_ioport_read(0x0092, 0x01, 1, &BeBox_io_800_readb, sysctrl);
+ register_ioport_write(0x0092, 0x01, 1, &BeBox_io_800_writeb, sysctrl);
+ register_ioport_read(0x0800, 0x52, 1, &BeBox_io_800_readb, sysctrl);
+ register_ioport_write(0x0800, 0x52, 1, &BeBox_io_800_writeb, sysctrl);
+ /* PCI intack location */
+ PPC_io_memory = cpu_register_io_memory(PPC_intack_read,
+ PPC_intack_write, NULL,
+ DEVICE_LITTLE_ENDIAN);
+ cpu_register_physical_memory(0xBFFFFFF0, 0x4, PPC_io_memory);
+ /* PowerPC control and status register group */
+#if 0
+ PPC_io_memory = cpu_register_io_memory(PPC_XCSR_read, PPC_XCSR_write,
+ NULL, DEVICE_LITTLE_ENDIAN);
+ cpu_register_physical_memory(0xFEFF0000, 0x1000, PPC_io_memory);
+#endif
+
+ if (usb_enabled) {
+ usb_ohci_init_pci(pci_bus, -1);
+ }
+
+ m48t59 = m48t59_init(i8259[8], 0, 0x0074, NVRAM_SIZE, 59);
+ if (m48t59 == NULL)
+ return;
+ sysctrl->nvram = m48t59;
+
+ /* Initialise NVRAM */
+ nvram.opaque = m48t59;
+ nvram.read_fn = &m48t59_read;
+ nvram.write_fn = &m48t59_write;
+ PPC_NVRAM_set_params(&nvram, NVRAM_SIZE, "BeBox", 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);
+
+ /* Special port to get debug messages from Open-Firmware */
+ register_ioport_write(0x0F00, 4, 1, &PPC_debug_write, NULL);
+
+fprintf(stderr, "bebox init done\n");
+}
+
+static QEMUMachine bebox_machine = {
+ .name = "bebox",
+ .desc = "PowerPC BeBox",
+ .init = ppc_bebox_init,
+ .max_cpus = MAX_CPUS,
+};
+
+static void bebox_machine_init(void)
+{
+ qemu_register_machine(&bebox_machine);
+}
+
+machine_init(bebox_machine_init);