aboutsummaryrefslogtreecommitdiff
path: root/stand/efi/loader/arch
diff options
context:
space:
mode:
authorWarner Losh <imp@FreeBSD.org>2018-01-19 19:09:17 +0000
committerWarner Losh <imp@FreeBSD.org>2018-01-19 19:09:17 +0000
commitcec2b3064525134283dc4a4238778c272fcfa534 (patch)
tree53e823aa704b5f4149f73ab463cd7f2c043a44f4 /stand/efi/loader/arch
parent9a8196ce190e6a13ae50849b3384496e7aa57b0c (diff)
downloadsrc-cec2b3064525134283dc4a4238778c272fcfa534.tar.gz
src-cec2b3064525134283dc4a4238778c272fcfa534.zip
Remove extra copy of bootinfo.c. It's a bit rotted copy of the one in
efi/loader. Differential Review: https://reviews.freebsd.org/D13986
Notes
Notes: svn path=/head/; revision=328169
Diffstat (limited to 'stand/efi/loader/arch')
-rw-r--r--stand/efi/loader/arch/i386/bootinfo.c275
1 files changed, 0 insertions, 275 deletions
diff --git a/stand/efi/loader/arch/i386/bootinfo.c b/stand/efi/loader/arch/i386/bootinfo.c
deleted file mode 100644
index cbd6e4ebe977..000000000000
--- a/stand/efi/loader/arch/i386/bootinfo.c
+++ /dev/null
@@ -1,275 +0,0 @@
-/*-
- * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
- * Copyright (c) 2006 Marcel Moolenaar
- * 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 <sys/boot.h>
-
-#include <efi.h>
-#include <efilib.h>
-
-#include "bootstrap.h"
-#include "libi386.h"
-#include <machine/bootinfo.h>
-
-static const char howto_switches[] = "aCdrgDmphsv";
-static int howto_masks[] = {
- RB_ASKNAME, RB_CDROM, RB_KDB, RB_DFLTROOT, RB_GDB, RB_MULTIPLE,
- RB_MUTE, RB_PAUSE, RB_SERIAL, RB_SINGLE, RB_VERBOSE
-};
-
-int
-bi_getboothowto(char *kargs)
-{
- const char *sw;
- char *opts;
- int howto, i;
-
- howto = 0;
-
- /* Get the boot options from the environment first. */
- for (i = 0; howto_names[i].ev != NULL; i++) {
- if (getenv(howto_names[i].ev) != NULL)
- howto |= howto_names[i].mask;
- }
-
- /* Parse kargs */
- if (kargs == NULL)
- return (howto);
-
- opts = strchr(kargs, '-');
- while (opts != NULL) {
- while (*(++opts) != '\0') {
- sw = strchr(howto_switches, *opts);
- if (sw == NULL)
- break;
- howto |= howto_masks[sw - howto_switches];
- }
- opts = strchr(opts, '-');
- }
-
- 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 start)
-{
- struct env_var *ep;
- vm_offset_t addr, last;
- size_t len;
-
- addr = last = start;
-
- /* Traverse the environment. */
- for (ep = environ; ep != NULL; ep = ep->ev_next) {
- len = strlen(ep->ev_name);
- if (i386_copyin(ep->ev_name, addr, len) != len)
- break;
- addr += len;
- if (i386_copyin("=", addr, 1) != 1)
- break;
- addr++;
- if (ep->ev_value != NULL) {
- len = strlen(ep->ev_value);
- if (i386_copyin(ep->ev_value, addr, len) != len)
- break;
- addr += len;
- }
- if (i386_copyin("", addr, 1) != 1)
- break;
- last = ++addr;
- }
-
- if (i386_copyin("", last++, 1) != 1)
- last = start;
- return(last);
-}
-
-/*
- * 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); \
- i386_copyin(&x, a, sizeof(x)); \
- a += sizeof(x); \
-}
-
-#define MOD_STR(t, a, s) { \
- COPY32(t, a); \
- COPY32(strlen(s) + 1, a); \
- i386_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); \
- i386_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); \
- i386_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) {
- /* The name field must come first. */
- MOD_NAME(addr, fp->f_name);
- 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 preloaded_file *fp, uint64_t *bi_addr)
-{
- struct bootinfo bi;
- struct preloaded_file *xp;
- struct file_metadata *md;
- struct devdesc *rootdev;
- char *rootdevname;
- vm_offset_t addr, ssym, esym;
-
- bzero(&bi, sizeof(struct bootinfo));
- bi.bi_version = 1;
-// bi.bi_boothowto = bi_getboothowto(fp->f_args);
-
- /*
- * 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");
- i386_getdev((void**)&rootdev, rootdevname, NULL);
- if (rootdev != NULL) {
- /* Try reading /etc/fstab to select the root device. */
- getrootmount(i386_fmtdev(rootdev));
- free(rootdev);
- }
-
- md = file_findmetadata(fp, MODINFOMD_SSYM);
- ssym = (md != NULL) ? *((vm_offset_t *)&(md->md_data)) : 0;
- md = file_findmetadata(fp, MODINFOMD_ESYM);
- esym = (md != NULL) ? *((vm_offset_t *)&(md->md_data)) : 0;
- if (ssym != 0 && esym != 0) {
- bi.bi_symtab = ssym;
- bi.bi_esymtab = esym;
- }
-
- /* 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;
- }
-
- addr = (addr + 15) & ~15;
-
- /* Copy module list and metadata. */
- bi.bi_modulep = addr;
- addr = bi_copymodules(addr);
- if (addr <= bi.bi_modulep) {
- addr = bi.bi_modulep;
- bi.bi_modulep = 0;
- }
-
- addr = (addr + 15) & ~15;
-
- /* Copy our environment. */
- bi.bi_envp = addr;
- addr = bi_copyenv(addr);
- if (addr <= bi.bi_envp) {
- addr = bi.bi_envp;
- bi.bi_envp = 0;
- }
-
- addr = (addr + PAGE_MASK) & ~PAGE_MASK;
- bi.bi_kernend = addr;
-
- return (ldr_bootinfo(&bi, bi_addr));
-}