diff options
author | Doug Rabson <dfr@FreeBSD.org> | 2001-06-09 16:49:51 +0000 |
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committer | Doug Rabson <dfr@FreeBSD.org> | 2001-06-09 16:49:51 +0000 |
commit | fd3e14e91599d0e8b970eca17fd0d331457aa2e6 (patch) | |
tree | 0363e9594830da1c3f4c6b69d6fa954589ec10ab /sys/boot/ia64/common | |
parent | 856ebd68ae6780c3a4358d0993c1596e6ac539e1 (diff) | |
download | src-fd3e14e91599d0e8b970eca17fd0d331457aa2e6.tar.gz src-fd3e14e91599d0e8b970eca17fd0d331457aa2e6.zip |
First approximation of an ia64 EFI loader. Not functional.
Notes
Notes:
svn path=/head/; revision=77943
Diffstat (limited to 'sys/boot/ia64/common')
-rw-r--r-- | sys/boot/ia64/common/copy.c | 59 | ||||
-rw-r--r-- | sys/boot/ia64/common/devicename.c | 239 | ||||
-rw-r--r-- | sys/boot/ia64/common/exec.c | 143 |
3 files changed, 441 insertions, 0 deletions
diff --git a/sys/boot/ia64/common/copy.c b/sys/boot/ia64/common/copy.c new file mode 100644 index 000000000000..ffecba6891d5 --- /dev/null +++ b/sys/boot/ia64/common/copy.c @@ -0,0 +1,59 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ +/* + * MD primitives supporting placement of module data + * + * XXX should check load address/size against memory top. + */ +#include <stand.h> + +#include <efi.h> +#include <efilib.h> +#include <machine/ia64_cpu.h> + +int +efi_copyin(void *src, vm_offset_t dest, size_t len) +{ + bcopy(src, (void*) dest, len); + return(len); +} + +int +efi_copyout(vm_offset_t src, void *dest, size_t len) +{ + bcopy((void*) src, dest, len); + return(len); +} + +int +efi_readin(int fd, vm_offset_t dest, size_t len) +{ + return(read(fd, (void*) dest, len)); +} + + diff --git a/sys/boot/ia64/common/devicename.c b/sys/boot/ia64/common/devicename.c new file mode 100644 index 000000000000..c041019bd632 --- /dev/null +++ b/sys/boot/ia64/common/devicename.c @@ -0,0 +1,239 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <stand.h> +#include <string.h> +#include <sys/disklabel.h> +#include "bootstrap.h" + +#include <efi.h> +#include <efilib.h> +#include "efiboot.h" + +static int efi_parsedev(struct efi_devdesc **dev, const char *devspec, const char **path); + +/* + * Point (dev) at an allocated device specifier for the device matching the + * path in (devspec). If it contains an explicit device specification, + * use that. If not, use the default device. + */ +int +efi_getdev(void **vdev, const char *devspec, const char **path) +{ + struct efi_devdesc **dev = (struct efi_devdesc **)vdev; + int rv; + + /* + * If it looks like this is just a path and no + * device, go with the current device. + */ + if ((devspec == NULL) || + (devspec[0] == '/') || + (strchr(devspec, ':') == NULL)) { + + if (((rv = efi_parsedev(dev, getenv("currdev"), NULL)) == 0) && + (path != NULL)) + *path = devspec; + return(rv); + } + + /* + * Try to parse the device name off the beginning of the devspec + */ + return(efi_parsedev(dev, devspec, path)); +} + +/* + * Point (dev) at an allocated device specifier matching the string version + * at the beginning of (devspec). Return a pointer to the remaining + * text in (path). + * + * In all cases, the beginning of (devspec) is compared to the names + * of known devices in the device switch, and then any following text + * is parsed according to the rules applied to the device type. + * + * For disk-type devices, the syntax is: + * + * disk<unit>[s<slice>][<partition>]: + * + */ +static int +efi_parsedev(struct efi_devdesc **dev, const char *devspec, const char **path) +{ + struct efi_devdesc *idev; + struct devsw *dv; + int i, unit, slice, partition, err; + char *cp; + const char *np; + + /* minimum length check */ + if (strlen(devspec) < 2) + return(EINVAL); + + /* look for a device that matches */ + for (i = 0, dv = NULL; devsw[i] != NULL; i++) { + if (!strncmp(devspec, devsw[i]->dv_name, strlen(devsw[i]->dv_name))) { + dv = devsw[i]; + break; + } + } + + if (dv == NULL) + return(ENOENT); + idev = malloc(sizeof(struct efi_devdesc)); + err = 0; + np = (devspec + strlen(dv->dv_name)); + + switch(dv->dv_type) { + case DEVT_NONE: /* XXX what to do here? Do we care? */ + break; + + case DEVT_DISK: + unit = -1; + slice = -1; + partition = -1; + if (*np && (*np != ':')) { + unit = strtol(np, &cp, 10); /* next comes the unit number */ + if (cp == np) { + err = EUNIT; + goto fail; + } + if (*cp == 's') { /* got a slice number */ + np = cp + 1; + slice = strtol(np, &cp, 10); + if (cp == np) { + err = ESLICE; + goto fail; + } + } + if (*cp && (*cp != ':')) { + partition = *cp - 'a'; /* get a partition number */ + if ((partition < 0) || (partition >= MAXPARTITIONS)) { + err = EPART; + goto fail; + } + cp++; + } + } + if (*cp && (*cp != ':')) { + err = EINVAL; + goto fail; + } + + idev->d_kind.efidisk.unit = unit; + idev->d_kind.efidisk.slice = slice; + idev->d_kind.efidisk.partition = partition; + if (path != NULL) + *path = (*cp == 0) ? cp : cp + 1; + break; + + case DEVT_NET: + unit = 0; + + if (*np && (*np != ':')) { + unit = strtol(np, &cp, 0); /* get unit number if present */ + if (cp == np) { + err = EUNIT; + goto fail; + } + } + if (*cp && (*cp != ':')) { + err = EINVAL; + goto fail; + } + + idev->d_kind.netif.unit = unit; + if (path != NULL) + *path = (*cp == 0) ? cp : cp + 1; + break; + + default: + err = EINVAL; + goto fail; + } + idev->d_dev = dv; + idev->d_type = dv->dv_type; + if (dev == NULL) { + free(idev); + } else { + *dev = idev; + } + return(0); + + fail: + free(idev); + return(err); +} + + +char * +efi_fmtdev(void *vdev) +{ + struct efi_devdesc *dev = (struct efi_devdesc *)vdev; + static char buf[128]; /* XXX device length constant? */ + char *cp; + + switch(dev->d_type) { + case DEVT_NONE: + strcpy(buf, "(no device)"); + break; + + case DEVT_DISK: + cp = buf; + cp += sprintf(cp, "%s%d", dev->d_dev->dv_name, dev->d_kind.efidisk.unit); + if (dev->d_kind.efidisk.slice > 0) + cp += sprintf(cp, "s%d", dev->d_kind.efidisk.slice); + if (dev->d_kind.efidisk.partition >= 0) + cp += sprintf(cp, "%c", dev->d_kind.efidisk.partition + 'a'); + strcat(cp, ":"); + break; + + case DEVT_NET: + sprintf(buf, "%s%d:", dev->d_dev->dv_name, dev->d_kind.netif.unit); + break; + } + return(buf); +} + + +/* + * Set currdev to suit the value being supplied in (value) + */ +int +efi_setcurrdev(struct env_var *ev, int flags, void *value) +{ + struct efi_devdesc *ncurr; + int rv; + + if ((rv = efi_parsedev(&ncurr, value, NULL)) != 0) + return(rv); + free(ncurr); + env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL); + return(0); +} + diff --git a/sys/boot/ia64/common/exec.c b/sys/boot/ia64/common/exec.c new file mode 100644 index 000000000000..994a78714bbf --- /dev/null +++ b/sys/boot/ia64/common/exec.c @@ -0,0 +1,143 @@ +/* $FreeBSD$ */ +/* $NetBSD: loadfile.c,v 1.10 1998/06/25 06:45:46 ross Exp $ */ + +/*- + * Copyright (c) 1997 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, + * NASA Ames Research Center. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)boot.c 8.1 (Berkeley) 6/10/93 + */ + +#include <stand.h> +#include <string.h> + +#include <sys/param.h> +#include <sys/linker.h> +#include <machine/elf.h> +#include <machine/prom.h> +#include <machine/rpb.h> +#include <machine/bootinfo.h> + +#include "bootstrap.h" + +#define _KERNEL + +static int elf_exec(struct preloaded_file *amp); +int bi_load(struct bootinfo_v1 *, vm_offset_t *, + struct preloaded_file *); + +struct file_format alpha_elf = { elf_loadfile, elf_exec }; + +vm_offset_t ffp_save, ptbr_save; + +static int +elf_exec(struct preloaded_file *fp) +{ +#if 0 + static struct bootinfo_v1 bootinfo_v1; + struct file_metadata *md; + Elf_Ehdr *hdr; + int err; + + if ((md = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL) + return(EFTYPE); /* XXX actually EFUCKUP */ + hdr = (Elf_Ehdr *)&(md->md_data); + + /* XXX ffp_save does not appear to be used in the kernel.. */ + bzero(&bootinfo_v1, sizeof(bootinfo_v1)); + err = bi_load(&bootinfo_v1, &ffp_save, fp); + if (err) + return(err); + + /* + * Fill in the bootinfo for the kernel. + */ + strncpy(bootinfo_v1.booted_kernel, fp->f_name, + sizeof(bootinfo_v1.booted_kernel)); + prom_getenv(PROM_E_BOOTED_OSFLAGS, bootinfo_v1.boot_flags, + sizeof(bootinfo_v1.boot_flags)); + bootinfo_v1.hwrpb = (void *)HWRPB_ADDR; + bootinfo_v1.hwrpbsize = ((struct rpb *)HWRPB_ADDR)->rpb_size; + bootinfo_v1.cngetc = NULL; + bootinfo_v1.cnputc = NULL; + bootinfo_v1.cnpollc = NULL; + + printf("Entering %s at 0x%lx...\n", fp->f_name, hdr->e_entry); + exit(0); + closeall(); + alpha_pal_imb(); + (*(void (*)())hdr->e_entry)(ffp_save, ptbr_save, + BOOTINFO_MAGIC, &bootinfo_v1, 1, 0); +#endif +} + + + |