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-rw-r--r--sys/boot/efi/libefi/bootinfo.c351
1 files changed, 0 insertions, 351 deletions
diff --git a/sys/boot/efi/libefi/bootinfo.c b/sys/boot/efi/libefi/bootinfo.c
deleted file mode 100644
index bfda81d..0000000
--- a/sys/boot/efi/libefi/bootinfo.c
+++ /dev/null
@@ -1,351 +0,0 @@
-/*-
- * 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.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <stand.h>
-#include <string.h>
-#include <sys/param.h>
-#include <sys/reboot.h>
-#include <sys/linker.h>
-#include <machine/elf.h>
-#include <machine/bootinfo.h>
-
-#include <efi.h>
-#include <efilib.h>
-
-#include "bootstrap.h"
-
-static EFI_GUID hcdp = HCDP_TABLE_GUID;
-
-/*
- * Return a 'boothowto' value corresponding to the kernel arguments in
- * (kargs) and any relevant environment variables.
- */
-static struct
-{
- const char *ev;
- int mask;
-} howto_names[] = {
- {"boot_askname", RB_ASKNAME},
- {"boot_cdrom", RB_CDROM},
- {"boot_ddb", RB_KDB},
- {"boot_dfltroot", RB_DFLTROOT},
- {"boot_gdb", RB_GDB},
- {"boot_multicons", RB_MULTIPLE},
- {"boot_mute", RB_MUTE},
- {"boot_pause", RB_PAUSE},
- {"boot_serial", RB_SERIAL},
- {"boot_single", RB_SINGLE},
- {"boot_verbose", RB_VERBOSE},
- {NULL, 0}
-};
-
-extern char *efi_fmtdev(void *vdev);
-
-int
-bi_getboothowto(char *kargs)
-{
- char *cp;
- int howto;
- int active;
- int i;
-
- /* Parse kargs */
- howto = 0;
- if (kargs != NULL) {
- cp = kargs;
- active = 0;
- while (*cp != 0) {
- if (!active && (*cp == '-')) {
- active = 1;
- } else if (active)
- switch (*cp) {
- case 'a':
- howto |= RB_ASKNAME;
- break;
- case 'C':
- howto |= RB_CDROM;
- break;
- case 'd':
- howto |= RB_KDB;
- break;
- case 'D':
- howto |= RB_MULTIPLE;
- break;
- case 'm':
- howto |= RB_MUTE;
- break;
- case 'g':
- howto |= RB_GDB;
- break;
- case 'h':
- howto |= RB_SERIAL;
- break;
- case 'p':
- howto |= RB_PAUSE;
- break;
- case 'r':
- howto |= RB_DFLTROOT;
- break;
- case 's':
- howto |= RB_SINGLE;
- break;
- case 'v':
- howto |= RB_VERBOSE;
- break;
- default:
- active = 0;
- break;
- }
- cp++;
- }
- }
- /* get equivalents from the environment */
- for (i = 0; howto_names[i].ev != NULL; i++)
- if (getenv(howto_names[i].ev) != NULL)
- howto |= howto_names[i].mask;
- if (!strcmp(getenv("console"), "comconsole"))
- howto |= RB_SERIAL;
- if (!strcmp(getenv("console"), "nullconsole"))
- howto |= RB_MUTE;
- return(howto);
-}
-
-/*
- * Copy the environment into the load area starting at (addr).
- * Each variable is formatted as <name>=<value>, with a single nul
- * separating each variable, and a double nul terminating the environment.
- */
-vm_offset_t
-bi_copyenv(vm_offset_t addr)
-{
- struct env_var *ep;
-
- /* traverse the environment */
- for (ep = environ; ep != NULL; ep = ep->ev_next) {
- efi_copyin(ep->ev_name, addr, strlen(ep->ev_name));
- addr += strlen(ep->ev_name);
- efi_copyin("=", addr, 1);
- addr++;
- if (ep->ev_value != NULL) {
- efi_copyin(ep->ev_value, addr, strlen(ep->ev_value));
- addr += strlen(ep->ev_value);
- }
- efi_copyin("", addr, 1);
- addr++;
- }
- efi_copyin("", addr, 1);
- addr++;
- return(addr);
-}
-
-/*
- * Copy module-related data into the load area, where it can be
- * used as a directory for loaded modules.
- *
- * Module data is presented in a self-describing format. Each datum
- * is preceded by a 32-bit identifier and a 32-bit size field.
- *
- * Currently, the following data are saved:
- *
- * MOD_NAME (variable) module name (string)
- * MOD_TYPE (variable) module type (string)
- * MOD_ARGS (variable) module parameters (string)
- * MOD_ADDR sizeof(vm_offset_t) module load address
- * MOD_SIZE sizeof(size_t) module size
- * MOD_METADATA (variable) type-specific metadata
- */
-#define COPY32(v, a) { \
- u_int32_t x = (v); \
- efi_copyin(&x, a, sizeof(x)); \
- a += sizeof(x); \
-}
-
-#define MOD_STR(t, a, s) { \
- COPY32(t, a); \
- COPY32(strlen(s) + 1, a); \
- efi_copyin(s, a, strlen(s) + 1); \
- a += roundup(strlen(s) + 1, sizeof(u_int64_t));\
-}
-
-#define MOD_NAME(a, s) MOD_STR(MODINFO_NAME, a, s)
-#define MOD_TYPE(a, s) MOD_STR(MODINFO_TYPE, a, s)
-#define MOD_ARGS(a, s) MOD_STR(MODINFO_ARGS, a, s)
-
-#define MOD_VAR(t, a, s) { \
- COPY32(t, a); \
- COPY32(sizeof(s), a); \
- efi_copyin(&s, a, sizeof(s)); \
- a += roundup(sizeof(s), sizeof(u_int64_t)); \
-}
-
-#define MOD_ADDR(a, s) MOD_VAR(MODINFO_ADDR, a, s)
-#define MOD_SIZE(a, s) MOD_VAR(MODINFO_SIZE, a, s)
-
-#define MOD_METADATA(a, mm) { \
- COPY32(MODINFO_METADATA | mm->md_type, a); \
- COPY32(mm->md_size, a); \
- efi_copyin(mm->md_data, a, mm->md_size); \
- a += roundup(mm->md_size, sizeof(u_int64_t));\
-}
-
-#define MOD_END(a) { \
- COPY32(MODINFO_END, a); \
- COPY32(0, a); \
-}
-
-vm_offset_t
-bi_copymodules(vm_offset_t addr)
-{
- struct preloaded_file *fp;
- struct file_metadata *md;
-
- /* start with the first module on the list, should be the kernel */
- for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
-
- MOD_NAME(addr, fp->f_name); /* this field must come first */
- MOD_TYPE(addr, fp->f_type);
- if (fp->f_args)
- MOD_ARGS(addr, fp->f_args);
- MOD_ADDR(addr, fp->f_addr);
- MOD_SIZE(addr, fp->f_size);
- for (md = fp->f_metadata; md != NULL; md = md->md_next)
- if (!(md->md_type & MODINFOMD_NOCOPY))
- MOD_METADATA(addr, md);
- }
- MOD_END(addr);
- return(addr);
-}
-
-/*
- * Load the information expected by the kernel.
- *
- * - The kernel environment is copied into kernel space.
- * - Module metadata are formatted and placed in kernel space.
- */
-int
-bi_load(struct bootinfo *bi, struct preloaded_file *fp, UINTN *mapkey,
- UINTN pages)
-{
- char *rootdevname;
- struct efi_devdesc *rootdev;
- struct preloaded_file *xp;
- vm_offset_t addr, bootinfo_addr;
- vm_offset_t ssym, esym;
- struct file_metadata *md;
- EFI_STATUS status;
- UINTN bisz, key;
-
- /*
- * Version 1 bootinfo.
- */
- bi->bi_magic = BOOTINFO_MAGIC;
- bi->bi_version = 1;
-
- /*
- * Calculate boothowto.
- */
- bi->bi_boothowto = bi_getboothowto(fp->f_args);
-
- /*
- * Stash EFI System Table.
- */
- bi->bi_systab = (u_int64_t) ST;
-
- /*
- * Allow the environment variable 'rootdev' to override the supplied
- * device. This should perhaps go to MI code and/or have $rootdev
- * tested/set by MI code before launching the kernel.
- */
- rootdevname = getenv("rootdev");
- efi_getdev((void **)(&rootdev), rootdevname, NULL);
- if (rootdev == NULL) { /* bad $rootdev/$currdev */
- printf("can't determine root device\n");
- return(EINVAL);
- }
-
- /* Try reading the /etc/fstab file to select the root device */
- getrootmount(efi_fmtdev((void *)rootdev));
- free(rootdev);
-
- ssym = esym = 0;
- if ((md = file_findmetadata(fp, MODINFOMD_SSYM)) != NULL)
- ssym = *((vm_offset_t *)&(md->md_data));
- if ((md = file_findmetadata(fp, MODINFOMD_ESYM)) != NULL)
- esym = *((vm_offset_t *)&(md->md_data));
- if (ssym == 0 || esym == 0)
- ssym = esym = 0; /* sanity */
-
- bi->bi_symtab = ssym;
- bi->bi_esymtab = esym;
-
- bi->bi_hcdp = (uint64_t)efi_get_table(&hcdp); /* DIG64 HCDP table addr. */
- fpswa_init(&bi->bi_fpswa); /* find FPSWA interface */
-
- /* find the last module in the chain */
- addr = 0;
- for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) {
- if (addr < (xp->f_addr + xp->f_size))
- addr = xp->f_addr + xp->f_size;
- }
-
- /* pad to a page boundary */
- addr = (addr + PAGE_MASK) & ~PAGE_MASK;
-
- /* copy our environment */
- bi->bi_envp = addr;
- addr = bi_copyenv(addr);
-
- /* pad to a page boundary */
- addr = (addr + PAGE_MASK) & ~PAGE_MASK;
-
- /* copy module list and metadata */
- bi->bi_modulep = addr;
- addr = bi_copymodules(addr);
-
- /* all done copying stuff in, save end of loaded object space */
- bi->bi_kernend = addr;
-
- /*
- * Read the memory map and stash it after bootinfo. Align the memory map
- * on a 16-byte boundary (the bootinfo block is page aligned).
- */
- bisz = (sizeof(struct bootinfo) + 0x0f) & ~0x0f;
- bi->bi_memmap = ((u_int64_t)bi) + bisz;
- bi->bi_memmap_size = EFI_PAGE_SIZE * pages - bisz;
- status = BS->GetMemoryMap(&bi->bi_memmap_size,
- (EFI_MEMORY_DESCRIPTOR *)bi->bi_memmap, &key,
- &bi->bi_memdesc_size, &bi->bi_memdesc_version);
- if (EFI_ERROR(status)) {
- printf("bi_load: Can't read memory map\n");
- return EINVAL;
- }
- *mapkey = key;
-
- return(0);
-}
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