* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k/block: amiflop - Remove superfluous amiga_chip_alloc() cast
m68k/atari: ARAnyM - Add support for network access
m68k/atari: ARAnyM - Add support for console access
m68k/atari: ARAnyM - Add support for block access
m68k/atari: Initial ARAnyM support
m68k: Kconfig - Remove unneeded "default n"
m68k: Makefiles - Change to new flags variables
m68k/amiga: Reclaim Chip RAM for PPC exception handlers
m68k: Allow all kernel traps to be handled via exception fixups
m68k: Use base_trap_init() to initialize vectors
m68k: Add helper function handle_kernel_fault()
config ARCH_HAS_ILOG2_U32
bool
- default n
config ARCH_HAS_ILOG2_U64
bool
- default n
config GENERIC_HWEIGHT
bool
If you don't want to compile a kernel exclusively for a Sun 3, say N.
+config NATFEAT
+ bool "ARAnyM emulator support"
+ depends on ATARI
+ help
+ This option enables support for ARAnyM native features, such as
+ access to a disk image as /dev/hda.
+
+config NFBLOCK
+ tristate "NatFeat block device support"
+ depends on BLOCK && NATFEAT
+ help
+ Say Y to include support for the ARAnyM NatFeat block device
+ which allows direct access to the hard drives without using
+ the hardware emulation.
+
+config NFCON
+ tristate "NatFeat console driver"
+ depends on NATFEAT
+ help
+ Say Y to include support for the ARAnyM NatFeat console driver
+ which allows the console output to be redirected to the stderr
+ output of ARAnyM.
+
+config NFETH
+ tristate "NatFeat Ethernet support"
+ depends on NET_ETHERNET && NATFEAT
+ help
+ Say Y to include support for the ARAnyM NatFeat network device
+ which will emulate a regular ethernet device while presenting an
+ ethertap device to the host system.
+
comment "Processor type"
config M68020
core-$(CONFIG_BVME6000) += arch/m68k/bvme6000/
core-$(CONFIG_SUN3X) += arch/m68k/sun3x/ arch/m68k/sun3/
core-$(CONFIG_SUN3) += arch/m68k/sun3/ arch/m68k/sun3/prom/
+core-$(CONFIG_NATFEAT) += arch/m68k/emu/
core-$(CONFIG_M68040) += arch/m68k/fpsp040/
core-$(CONFIG_M68060) += arch/m68k/ifpsp060/
core-$(CONFIG_M68KFPU_EMU) += arch/m68k/math-emu/
if (!AMIGAHW_PRESENT(CHIP_RAM))
return;
- /*
- * Remove the first 4 pages where PPC exception handlers will be located
- */
- amiga_chip_size -= 0x4000;
chipram_res.end = amiga_chip_size-1;
request_resource(&iomem_resource, &chipram_res);
--- /dev/null
+#
+# Makefile for Linux arch/m68k/emu source directory
+#
+
+obj-y += natfeat.o
+
+obj-$(CONFIG_NFBLOCK) += nfblock.o
+obj-$(CONFIG_NFCON) += nfcon.o
+obj-$(CONFIG_NFETH) += nfeth.o
--- /dev/null
+/*
+ * natfeat.c - ARAnyM hardware support via Native Features (natfeats)
+ *
+ * Copyright (c) 2005 Petr Stehlik of ARAnyM dev team
+ *
+ * Reworked for Linux by Roman Zippel <zippel@linux-m68k.org>
+ *
+ * This software may be used and distributed according to the terms of
+ * the GNU General Public License (GPL), incorporated herein by reference.
+ */
+
+#include <linux/types.h>
+#include <linux/console.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <asm/machdep.h>
+#include <asm/natfeat.h>
+
+asm("\n"
+" .global nf_get_id,nf_call\n"
+"nf_get_id:\n"
+" .short 0x7300\n"
+" rts\n"
+"nf_call:\n"
+" .short 0x7301\n"
+" rts\n"
+"1: moveq.l #0,%d0\n"
+" rts\n"
+" .section __ex_table,\"a\"\n"
+" .long nf_get_id,1b\n"
+" .long nf_call,1b\n"
+" .previous");
+EXPORT_SYMBOL_GPL(nf_get_id);
+EXPORT_SYMBOL_GPL(nf_call);
+
+void nfprint(const char *fmt, ...)
+{
+ static char buf[256];
+ va_list ap;
+ int n;
+
+ va_start(ap, fmt);
+ n = vsnprintf(buf, 256, fmt, ap);
+ nf_call(nf_get_id("NF_STDERR"), buf);
+ va_end(ap);
+}
+
+static void nf_poweroff(void)
+{
+ long id = nf_get_id("NF_SHUTDOWN");
+
+ if (id)
+ nf_call(id);
+}
+
+void nf_init(void)
+{
+ unsigned long id, version;
+ char buf[256];
+
+ id = nf_get_id("NF_VERSION");
+ if (!id)
+ return;
+ version = nf_call(id);
+
+ id = nf_get_id("NF_NAME");
+ if (!id)
+ return;
+ nf_call(id, buf, 256);
+ buf[255] = 0;
+
+ pr_info("NatFeats found (%s, %lu.%lu)\n", buf, version >> 16,
+ version & 0xffff);
+
+ mach_power_off = nf_poweroff;
+}
--- /dev/null
+/*
+ * ARAnyM block device driver
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/genhd.h>
+#include <linux/blkdev.h>
+#include <linux/hdreg.h>
+#include <linux/slab.h>
+
+#include <asm/natfeat.h>
+
+static long nfhd_id;
+
+enum {
+ /* emulation entry points */
+ NFHD_READ_WRITE = 10,
+ NFHD_GET_CAPACITY = 14,
+
+ /* skip ACSI devices */
+ NFHD_DEV_OFFSET = 8,
+};
+
+static inline s32 nfhd_read_write(u32 major, u32 minor, u32 rwflag, u32 recno,
+ u32 count, u32 buf)
+{
+ return nf_call(nfhd_id + NFHD_READ_WRITE, major, minor, rwflag, recno,
+ count, buf);
+}
+
+static inline s32 nfhd_get_capacity(u32 major, u32 minor, u32 *blocks,
+ u32 *blocksize)
+{
+ return nf_call(nfhd_id + NFHD_GET_CAPACITY, major, minor, blocks,
+ blocksize);
+}
+
+static LIST_HEAD(nfhd_list);
+
+static int major_num;
+module_param(major_num, int, 0);
+
+struct nfhd_device {
+ struct list_head list;
+ int id;
+ u32 blocks, bsize;
+ int bshift;
+ struct request_queue *queue;
+ struct gendisk *disk;
+};
+
+static int nfhd_make_request(struct request_queue *queue, struct bio *bio)
+{
+ struct nfhd_device *dev = queue->queuedata;
+ struct bio_vec *bvec;
+ int i, dir, len, shift;
+ sector_t sec = bio->bi_sector;
+
+ dir = bio_data_dir(bio);
+ shift = dev->bshift;
+ bio_for_each_segment(bvec, bio, i) {
+ len = bvec->bv_len;
+ len >>= 9;
+ nfhd_read_write(dev->id, 0, dir, sec >> shift, len >> shift,
+ bvec_to_phys(bvec));
+ sec += len;
+ }
+ bio_endio(bio, 0);
+ return 0;
+}
+
+static int nfhd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
+{
+ struct nfhd_device *dev = bdev->bd_disk->private_data;
+
+ geo->cylinders = dev->blocks >> (6 - dev->bshift);
+ geo->heads = 4;
+ geo->sectors = 16;
+
+ return 0;
+}
+
+static const struct block_device_operations nfhd_ops = {
+ .owner = THIS_MODULE,
+ .getgeo = nfhd_getgeo,
+};
+
+static int __init nfhd_init_one(int id, u32 blocks, u32 bsize)
+{
+ struct nfhd_device *dev;
+ int dev_id = id - NFHD_DEV_OFFSET;
+
+ pr_info("nfhd%u: found device with %u blocks (%u bytes)\n", dev_id,
+ blocks, bsize);
+
+ if (bsize < 512 || (bsize & (bsize - 1))) {
+ pr_warn("nfhd%u: invalid block size\n", dev_id);
+ return -EINVAL;
+ }
+
+ dev = kmalloc(sizeof(struct nfhd_device), GFP_KERNEL);
+ if (!dev)
+ goto out;
+
+ dev->id = id;
+ dev->blocks = blocks;
+ dev->bsize = bsize;
+ dev->bshift = ffs(bsize) - 10;
+
+ dev->queue = blk_alloc_queue(GFP_KERNEL);
+ if (dev->queue == NULL)
+ goto free_dev;
+
+ dev->queue->queuedata = dev;
+ blk_queue_make_request(dev->queue, nfhd_make_request);
+ blk_queue_logical_block_size(dev->queue, bsize);
+
+ dev->disk = alloc_disk(16);
+ if (!dev->disk)
+ goto free_queue;
+
+ dev->disk->major = major_num;
+ dev->disk->first_minor = dev_id * 16;
+ dev->disk->fops = &nfhd_ops;
+ dev->disk->private_data = dev;
+ sprintf(dev->disk->disk_name, "nfhd%u", dev_id);
+ set_capacity(dev->disk, (sector_t)blocks * (bsize / 512));
+ dev->disk->queue = dev->queue;
+
+ add_disk(dev->disk);
+
+ list_add_tail(&dev->list, &nfhd_list);
+
+ return 0;
+
+free_queue:
+ blk_cleanup_queue(dev->queue);
+free_dev:
+ kfree(dev);
+out:
+ return -ENOMEM;
+}
+
+static int __init nfhd_init(void)
+{
+ u32 blocks, bsize;
+ int i;
+
+ nfhd_id = nf_get_id("XHDI");
+ if (!nfhd_id)
+ return -ENODEV;
+
+ major_num = register_blkdev(major_num, "nfhd");
+ if (major_num <= 0) {
+ pr_warn("nfhd: unable to get major number\n");
+ return major_num;
+ }
+
+ for (i = NFHD_DEV_OFFSET; i < 24; i++) {
+ if (nfhd_get_capacity(i, 0, &blocks, &bsize))
+ continue;
+ nfhd_init_one(i, blocks, bsize);
+ }
+
+ return 0;
+}
+
+static void __exit nfhd_exit(void)
+{
+ struct nfhd_device *dev, *next;
+
+ list_for_each_entry_safe(dev, next, &nfhd_list, list) {
+ list_del(&dev->list);
+ del_gendisk(dev->disk);
+ put_disk(dev->disk);
+ blk_cleanup_queue(dev->queue);
+ kfree(dev);
+ }
+ unregister_blkdev(major_num, "nfhd");
+}
+
+module_init(nfhd_init);
+module_exit(nfhd_exit);
+
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * ARAnyM console driver
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/console.h>
+#include <linux/tty.h>
+#include <linux/tty_driver.h>
+#include <linux/tty_flip.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+#include <linux/uaccess.h>
+
+#include <asm/natfeat.h>
+
+static int stderr_id;
+static struct tty_driver *nfcon_tty_driver;
+
+static void nfputs(const char *str, unsigned int count)
+{
+ char buf[68];
+
+ buf[64] = 0;
+ while (count > 64) {
+ memcpy(buf, str, 64);
+ nf_call(stderr_id, buf);
+ str += 64;
+ count -= 64;
+ }
+ memcpy(buf, str, count);
+ buf[count] = 0;
+ nf_call(stderr_id, buf);
+}
+
+static void nfcon_write(struct console *con, const char *str,
+ unsigned int count)
+{
+ nfputs(str, count);
+}
+
+static struct tty_driver *nfcon_device(struct console *con, int *index)
+{
+ *index = 0;
+ return (con->flags & CON_ENABLED) ? nfcon_tty_driver : NULL;
+}
+
+static struct console nf_console = {
+ .name = "nfcon",
+ .write = nfcon_write,
+ .device = nfcon_device,
+ .flags = CON_PRINTBUFFER,
+ .index = -1,
+};
+
+
+static int nfcon_tty_open(struct tty_struct *tty, struct file *filp)
+{
+ return 0;
+}
+
+static void nfcon_tty_close(struct tty_struct *tty, struct file *filp)
+{
+}
+
+static int nfcon_tty_write(struct tty_struct *tty, const unsigned char *buf,
+ int count)
+{
+ nfputs(buf, count);
+ return count;
+}
+
+static int nfcon_tty_put_char(struct tty_struct *tty, unsigned char ch)
+{
+ char temp[2] = { ch, 0 };
+
+ nf_call(stderr_id, temp);
+ return 1;
+}
+
+static int nfcon_tty_write_room(struct tty_struct *tty)
+{
+ return 64;
+}
+
+static const struct tty_operations nfcon_tty_ops = {
+ .open = nfcon_tty_open,
+ .close = nfcon_tty_close,
+ .write = nfcon_tty_write,
+ .put_char = nfcon_tty_put_char,
+ .write_room = nfcon_tty_write_room,
+};
+
+#ifndef MODULE
+
+static int __init nf_debug_setup(char *arg)
+{
+ if (strcmp(arg, "nfcon"))
+ return 0;
+
+ stderr_id = nf_get_id("NF_STDERR");
+ if (stderr_id) {
+ nf_console.flags |= CON_ENABLED;
+ register_console(&nf_console);
+ }
+
+ return 0;
+}
+
+early_param("debug", nf_debug_setup);
+
+#endif /* !MODULE */
+
+static int __init nfcon_init(void)
+{
+ int res;
+
+ stderr_id = nf_get_id("NF_STDERR");
+ if (!stderr_id)
+ return -ENODEV;
+
+ nfcon_tty_driver = alloc_tty_driver(1);
+ if (!nfcon_tty_driver)
+ return -ENOMEM;
+
+ nfcon_tty_driver->owner = THIS_MODULE;
+ nfcon_tty_driver->driver_name = "nfcon";
+ nfcon_tty_driver->name = "nfcon";
+ nfcon_tty_driver->type = TTY_DRIVER_TYPE_SYSTEM;
+ nfcon_tty_driver->subtype = SYSTEM_TYPE_TTY;
+ nfcon_tty_driver->init_termios = tty_std_termios;
+ nfcon_tty_driver->flags = TTY_DRIVER_REAL_RAW;
+
+ tty_set_operations(nfcon_tty_driver, &nfcon_tty_ops);
+ res = tty_register_driver(nfcon_tty_driver);
+ if (res) {
+ pr_err("failed to register nfcon tty driver\n");
+ put_tty_driver(nfcon_tty_driver);
+ return res;
+ }
+
+ if (!(nf_console.flags & CON_ENABLED))
+ register_console(&nf_console);
+
+ return 0;
+}
+
+static void __exit nfcon_exit(void)
+{
+ unregister_console(&nf_console);
+ tty_unregister_driver(nfcon_tty_driver);
+ put_tty_driver(nfcon_tty_driver);
+}
+
+module_init(nfcon_init);
+module_exit(nfcon_exit);
+
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * atari_nfeth.c - ARAnyM ethernet card driver for GNU/Linux
+ *
+ * Copyright (c) 2005 Milan Jurik, Petr Stehlik of ARAnyM dev team
+ *
+ * Based on ARAnyM driver for FreeMiNT written by Standa Opichal
+ *
+ * This software may be used and distributed according to the terms of
+ * the GNU General Public License (GPL), incorporated herein by reference.
+ */
+
+#define DRV_VERSION "0.3"
+#define DRV_RELDATE "10/12/2005"
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/module.h>
+#include <asm/natfeat.h>
+#include <asm/virtconvert.h>
+
+enum {
+ GET_VERSION = 0,/* no parameters, return NFAPI_VERSION in d0 */
+ XIF_INTLEVEL, /* no parameters, return Interrupt Level in d0 */
+ XIF_IRQ, /* acknowledge interrupt from host */
+ XIF_START, /* (ethX), called on 'ifup', start receiver thread */
+ XIF_STOP, /* (ethX), called on 'ifdown', stop the thread */
+ XIF_READLENGTH, /* (ethX), return size of network data block to read */
+ XIF_READBLOCK, /* (ethX, buffer, size), read block of network data */
+ XIF_WRITEBLOCK, /* (ethX, buffer, size), write block of network data */
+ XIF_GET_MAC, /* (ethX, buffer, size), return MAC HW addr in buffer */
+ XIF_GET_IPHOST, /* (ethX, buffer, size), return IP address of host */
+ XIF_GET_IPATARI,/* (ethX, buffer, size), return IP address of atari */
+ XIF_GET_NETMASK /* (ethX, buffer, size), return IP netmask */
+};
+
+#define MAX_UNIT 8
+
+/* These identify the driver base version and may not be removed. */
+static const char version[] __devinitdata =
+ KERN_INFO KBUILD_MODNAME ".c:v" DRV_VERSION " " DRV_RELDATE
+ " S.Opichal, M.Jurik, P.Stehlik\n"
+ KERN_INFO " http://aranym.org/\n";
+
+MODULE_AUTHOR("Milan Jurik");
+MODULE_DESCRIPTION("Atari NFeth driver");
+MODULE_LICENSE("GPL");
+/*
+MODULE_PARM(nfeth_debug, "i");
+MODULE_PARM_DESC(nfeth_debug, "nfeth_debug level (1-2)");
+*/
+
+
+static long nfEtherID;
+static int nfEtherIRQ;
+
+struct nfeth_private {
+ int ethX;
+};
+
+static struct net_device *nfeth_dev[MAX_UNIT];
+
+static int nfeth_open(struct net_device *dev)
+{
+ struct nfeth_private *priv = netdev_priv(dev);
+ int res;
+
+ res = nf_call(nfEtherID + XIF_START, priv->ethX);
+ netdev_dbg(dev, "%s: %d\n", __func__, res);
+
+ /* Ready for data */
+ netif_start_queue(dev);
+
+ return 0;
+}
+
+static int nfeth_stop(struct net_device *dev)
+{
+ struct nfeth_private *priv = netdev_priv(dev);
+
+ /* No more data */
+ netif_stop_queue(dev);
+
+ nf_call(nfEtherID + XIF_STOP, priv->ethX);
+
+ return 0;
+}
+
+/*
+ * Read a packet out of the adapter and pass it to the upper layers
+ */
+static inline void recv_packet(struct net_device *dev)
+{
+ struct nfeth_private *priv = netdev_priv(dev);
+ unsigned short pktlen;
+ struct sk_buff *skb;
+
+ /* read packet length (excluding 32 bit crc) */
+ pktlen = nf_call(nfEtherID + XIF_READLENGTH, priv->ethX);
+
+ netdev_dbg(dev, "%s: %u\n", __func__, pktlen);
+
+ if (!pktlen) {
+ netdev_dbg(dev, "%s: pktlen == 0\n", __func__);
+ dev->stats.rx_errors++;
+ return;
+ }
+
+ skb = dev_alloc_skb(pktlen + 2);
+ if (!skb) {
+ netdev_dbg(dev, "%s: out of mem (buf_alloc failed)\n",
+ __func__);
+ dev->stats.rx_dropped++;
+ return;
+ }
+
+ skb->dev = dev;
+ skb_reserve(skb, 2); /* 16 Byte align */
+ skb_put(skb, pktlen); /* make room */
+ nf_call(nfEtherID + XIF_READBLOCK, priv->ethX, virt_to_phys(skb->data),
+ pktlen);
+
+ skb->protocol = eth_type_trans(skb, dev);
+ netif_rx(skb);
+ dev->last_rx = jiffies;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += pktlen;
+
+ /* and enqueue packet */
+ return;
+}
+
+static irqreturn_t nfeth_interrupt(int irq, void *dev_id)
+{
+ int i, m, mask;
+
+ mask = nf_call(nfEtherID + XIF_IRQ, 0);
+ for (i = 0, m = 1; i < MAX_UNIT; m <<= 1, i++) {
+ if (mask & m && nfeth_dev[i]) {
+ recv_packet(nfeth_dev[i]);
+ nf_call(nfEtherID + XIF_IRQ, m);
+ }
+ }
+ return IRQ_HANDLED;
+}
+
+static int nfeth_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ unsigned int len;
+ char *data, shortpkt[ETH_ZLEN];
+ struct nfeth_private *priv = netdev_priv(dev);
+
+ data = skb->data;
+ len = skb->len;
+ if (len < ETH_ZLEN) {
+ memset(shortpkt, 0, ETH_ZLEN);
+ memcpy(shortpkt, data, len);
+ data = shortpkt;
+ len = ETH_ZLEN;
+ }
+
+ netdev_dbg(dev, "%s: send %u bytes\n", __func__, len);
+ nf_call(nfEtherID + XIF_WRITEBLOCK, priv->ethX, virt_to_phys(data),
+ len);
+
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += len;
+
+ dev_kfree_skb(skb);
+ return 0;
+}
+
+static void nfeth_tx_timeout(struct net_device *dev)
+{
+ dev->stats.tx_errors++;
+ netif_wake_queue(dev);
+}
+
+static const struct net_device_ops nfeth_netdev_ops = {
+ .ndo_open = nfeth_open,
+ .ndo_stop = nfeth_stop,
+ .ndo_start_xmit = nfeth_xmit,
+ .ndo_tx_timeout = nfeth_tx_timeout,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+};
+
+static struct net_device * __init nfeth_probe(int unit)
+{
+ struct net_device *dev;
+ struct nfeth_private *priv;
+ char mac[ETH_ALEN], host_ip[32], local_ip[32];
+ int err;
+
+ if (!nf_call(nfEtherID + XIF_GET_MAC, unit, mac, ETH_ALEN))
+ return NULL;
+
+ dev = alloc_etherdev(sizeof(struct nfeth_private));
+ if (!dev)
+ return NULL;
+
+ dev->irq = nfEtherIRQ;
+ dev->netdev_ops = &nfeth_netdev_ops;
+
+ dev->flags |= NETIF_F_NO_CSUM;
+ memcpy(dev->dev_addr, mac, ETH_ALEN);
+
+ priv = netdev_priv(dev);
+ priv->ethX = unit;
+
+ err = register_netdev(dev);
+ if (err) {
+ free_netdev(dev);
+ return NULL;
+ }
+
+ nf_call(nfEtherID + XIF_GET_IPHOST, unit,
+ host_ip, sizeof(host_ip));
+ nf_call(nfEtherID + XIF_GET_IPATARI, unit,
+ local_ip, sizeof(local_ip));
+
+ netdev_info(dev, KBUILD_MODNAME " addr:%s (%s) HWaddr:%pM\n", host_ip,
+ local_ip, mac);
+
+ return dev;
+}
+
+static int __init nfeth_init(void)
+{
+ long ver;
+ int error, i;
+
+ nfEtherID = nf_get_id("ETHERNET");
+ if (!nfEtherID)
+ return -ENODEV;
+
+ ver = nf_call(nfEtherID + GET_VERSION);
+ pr_info("API %lu\n", ver);
+
+ nfEtherIRQ = nf_call(nfEtherID + XIF_INTLEVEL);
+ error = request_irq(nfEtherIRQ, nfeth_interrupt, IRQF_SHARED,
+ "eth emu", nfeth_interrupt);
+ if (error) {
+ pr_err("request for irq %d failed %d", nfEtherIRQ, error);
+ return error;
+ }
+
+ for (i = 0; i < MAX_UNIT; i++)
+ nfeth_dev[i] = nfeth_probe(i);
+
+ return 0;
+}
+
+static void __exit nfeth_cleanup(void)
+{
+ int i;
+
+ for (i = 0; i < MAX_UNIT; i++) {
+ if (nfeth_dev[i]) {
+ unregister_netdev(nfeth_dev[0]);
+ free_netdev(nfeth_dev[0]);
+ }
+ }
+ free_irq(nfEtherIRQ, nfeth_interrupt);
+}
+
+module_init(nfeth_init);
+module_exit(nfeth_cleanup);
--- /dev/null
+/*
+ * ARAnyM hardware support via Native Features (natfeats)
+ *
+ * Copyright (c) 2005 Petr Stehlik of ARAnyM dev team
+ *
+ * This software may be used and distributed according to the terms of
+ * the GNU General Public License (GPL), incorporated herein by reference.
+ */
+
+#ifndef _NATFEAT_H
+#define _NATFEAT_H
+
+long nf_get_id(const char *feature_name);
+long nf_call(long id, ...);
+
+void nf_init(void);
+void nf_shutdown(void);
+
+void nfprint(const char *fmt, ...)
+ __attribute__ ((format (printf, 1, 2)));
+
+# endif /* _NATFEAT_H */
wrusp(usp);
}
+extern int handle_kernel_fault(struct pt_regs *regs);
+
#else
/*
#ifdef CONFIG_SUN3X
#include <asm/dvma.h>
#endif
+#include <asm/natfeat.h>
#if !FPSTATESIZE || !NR_IRQS
#warning No CPU/platform type selected, your kernel will not work!
panic("No configuration setup");
}
+#ifdef CONFIG_NATFEAT
+ nf_init();
+#endif
+
paging_init();
#ifndef CONFIG_SUN3
#include <linux/personality.h>
#include <linux/tty.h>
#include <linux/binfmts.h>
+#include <linux/module.h>
#include <asm/setup.h>
#include <asm/uaccess.h>
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-const int frame_extra_sizes[16] = {
+static const int frame_extra_sizes[16] = {
[1] = -1, /* sizeof(((struct frame *)0)->un.fmt1), */
[2] = sizeof(((struct frame *)0)->un.fmt2),
[3] = sizeof(((struct frame *)0)->un.fmt3),
[15] = -1, /* sizeof(((struct frame *)0)->un.fmtf), */
};
+int handle_kernel_fault(struct pt_regs *regs)
+{
+ const struct exception_table_entry *fixup;
+ struct pt_regs *tregs;
+
+ /* Are we prepared to handle this kernel fault? */
+ fixup = search_exception_tables(regs->pc);
+ if (!fixup)
+ return 0;
+
+ /* Create a new four word stack frame, discarding the old one. */
+ regs->stkadj = frame_extra_sizes[regs->format];
+ tregs = (struct pt_regs *)((long)regs + regs->stkadj);
+ tregs->vector = regs->vector;
+ tregs->format = 0;
+ tregs->pc = fixup->fixup;
+ tregs->sr = regs->sr;
+
+ return 1;
+}
+
/*
* Atomically swap in the new signal mask, and wait for a signal.
*/
asmlinkage void fpu_emu(void);
#endif
-e_vector vectors[256] = {
- [VEC_BUSERR] = buserr,
- [VEC_SYS] = system_call,
-};
+e_vector vectors[256];
/* nmi handler for the Amiga */
asm(".text\n"
/*
* this must be called very early as the kernel might
* use some instruction that are emulated on the 060
+ * and so we're prepared for early probe attempts (e.g. nf_init).
*/
void __init base_trap_init(void)
{
- if(MACH_IS_SUN3X) {
+ if (MACH_IS_SUN3X) {
extern e_vector *sun3x_prom_vbr;
__asm__ volatile ("movec %%vbr, %0" : "=r" (sun3x_prom_vbr));
vectors[VEC_UNIMPII] = unimp_vec;
}
+
+ vectors[VEC_BUSERR] = buserr;
+ vectors[VEC_ILLEGAL] = trap;
+ vectors[VEC_SYS] = system_call;
}
void __init trap_init (void)
siginfo_t info;
if (fp->ptregs.sr & PS_S) {
- if ((fp->ptregs.vector >> 2) == VEC_TRACE) {
- /* traced a trapping instruction */
- } else
+ if (fp->ptregs.vector == VEC_TRACE << 2) {
+ /* traced a trapping instruction on a 68020/30,
+ * real exception will be executed afterwards.
+ */
+ } else if (!handle_kernel_fault(&fp->ptregs))
bad_super_trap(fp);
return;
}
# Makefile for the linux kernel.
#
-#EXTRA_AFLAGS += -DFPU_EMU_DEBUG
-#EXTRA_CFLAGS += -DFPU_EMU_DEBUG
+#asflags-y := -DFPU_EMU_DEBUG
+#ccflags-y := -DFPU_EMU_DEBUG
obj-y := fp_entry.o fp_scan.o fp_util.o fp_move.o fp_movem.o \
fp_cond.o fp_arith.o fp_log.o fp_trig.o
#include <asm/pgalloc.h>
extern void die_if_kernel(char *, struct pt_regs *, long);
-extern const int frame_extra_sizes[]; /* in m68k/kernel/signal.c */
int send_fault_sig(struct pt_regs *regs)
{
force_sig_info(siginfo.si_signo,
&siginfo, current);
} else {
- const struct exception_table_entry *fixup;
-
- /* Are we prepared to handle this kernel fault? */
- if ((fixup = search_exception_tables(regs->pc))) {
- struct pt_regs *tregs;
- /* Create a new four word stack frame, discarding the old
- one. */
- regs->stkadj = frame_extra_sizes[regs->format];
- tregs = (struct pt_regs *)((ulong)regs + regs->stkadj);
- tregs->vector = regs->vector;
- tregs->format = 0;
- tregs->pc = fixup->fixup;
- tregs->sr = regs->sr;
+ if (handle_kernel_fault(regs))
return -1;
- }
//if (siginfo.si_signo == SIGBUS)
// force_sig_info(siginfo.si_signo,
return -EBUSY;
ret = -ENOMEM;
- if ((raw_buf = (char *)amiga_chip_alloc (RAW_BUF_SIZE, "Floppy")) ==
- NULL) {
+ raw_buf = amiga_chip_alloc(RAW_BUF_SIZE, "Floppy");
+ if (!raw_buf) {
printk("fd: cannot get chip mem buffer\n");
goto out_blkdev;
}
projects / deliverable / linux.git / commitdiff
