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-rw-r--r--stand/efi/loader/arch/i386/Makefile.inc14
-rw-r--r--stand/efi/loader/arch/i386/bootinfo.c275
-rw-r--r--stand/efi/loader/arch/i386/efimd.c142
-rw-r--r--stand/efi/loader/arch/i386/elf32_freebsd.c100
-rw-r--r--stand/efi/loader/arch/i386/exec.c49
-rw-r--r--stand/efi/loader/arch/i386/i386_copy.c59
-rw-r--r--stand/efi/loader/arch/i386/ldscript.i38677
-rw-r--r--stand/efi/loader/arch/i386/start.S68
8 files changed, 784 insertions, 0 deletions
diff --git a/stand/efi/loader/arch/i386/Makefile.inc b/stand/efi/loader/arch/i386/Makefile.inc
new file mode 100644
index 000000000000..70d2848ba26f
--- /dev/null
+++ b/stand/efi/loader/arch/i386/Makefile.inc
@@ -0,0 +1,14 @@
+# $FreeBSD$
+
+SRCS+= start.S \
+ efimd.c \
+ elf32_freebsd.c \
+ exec.c
+
+.PATH: ${BOOTSRC}/i386/libi386
+SRCS+= nullconsole.c \
+ comconsole.c \
+ spinconsole.c
+
+CFLAGS+= -fPIC -DTERM_EMU
+LDFLAGS+= -Wl,-znocombreloc
diff --git a/stand/efi/loader/arch/i386/bootinfo.c b/stand/efi/loader/arch/i386/bootinfo.c
new file mode 100644
index 000000000000..cbd6e4ebe977
--- /dev/null
+++ b/stand/efi/loader/arch/i386/bootinfo.c
@@ -0,0 +1,275 @@
+/*-
+ * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
+ * Copyright (c) 2006 Marcel Moolenaar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$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));
+}
diff --git a/stand/efi/loader/arch/i386/efimd.c b/stand/efi/loader/arch/i386/efimd.c
new file mode 100644
index 000000000000..8e1d850d82cc
--- /dev/null
+++ b/stand/efi/loader/arch/i386/efimd.c
@@ -0,0 +1,142 @@
+/*-
+ * Copyright (c) 2004, 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 ``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 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 <efi.h>
+#include <efilib.h>
+
+#include <libi386.h>
+#include <machine/bootinfo.h>
+
+#define EFI_INTEL_FPSWA \
+ {0xc41b6531,0x97b9,0x11d3,{0x9a,0x29,0x00,0x90,0x27,0x3f,0xc1,0x4d}}
+
+static EFI_GUID fpswa_guid = EFI_INTEL_FPSWA;
+
+/* DIG64 Headless Console & Debug Port Table. */
+#define HCDP_TABLE_GUID \
+ {0xf951938d,0x620b,0x42ef,{0x82,0x79,0xa8,0x4b,0x79,0x61,0x78,0x98}}
+
+static EFI_GUID hcdp_guid = HCDP_TABLE_GUID;
+
+static UINTN mapkey;
+
+int ldr_bootinfo(struct bootinfo *, uint64_t *);
+int ldr_enter(const char *);
+
+static uint64_t
+ldr_alloc(vm_offset_t va)
+{
+
+ return (0);
+}
+
+int
+ldr_bootinfo(struct bootinfo *bi, uint64_t *bi_addr)
+{
+ VOID *fpswa;
+ EFI_MEMORY_DESCRIPTOR *mm;
+ EFI_PHYSICAL_ADDRESS addr;
+ EFI_HANDLE handle;
+ EFI_STATUS status;
+ size_t bisz;
+ UINTN mmsz, pages, sz;
+ UINT32 mmver;
+
+ bi->bi_systab = (uint64_t)ST;
+ bi->bi_hcdp = (uint64_t)efi_get_table(&hcdp_guid);
+
+ sz = sizeof(EFI_HANDLE);
+ status = BS->LocateHandle(ByProtocol, &fpswa_guid, 0, &sz, &handle);
+ if (status == 0)
+ status = BS->HandleProtocol(handle, &fpswa_guid, &fpswa);
+ bi->bi_fpswa = (status == 0) ? (uint64_t)fpswa : 0;
+
+ bisz = (sizeof(struct bootinfo) + 0x0f) & ~0x0f;
+
+ /*
+ * Allocate enough pages to hold the bootinfo block and the memory
+ * map EFI will return to us. The memory map has an unknown size,
+ * so we have to determine that first. Note that the AllocatePages
+ * call can itself modify the memory map, so we have to take that
+ * into account as well. The changes to the memory map are caused
+ * by splitting a range of free memory into two (AFAICT), so that
+ * one is marked as being loader data.
+ */
+ sz = 0;
+ BS->GetMemoryMap(&sz, NULL, &mapkey, &mmsz, &mmver);
+ sz += mmsz;
+ sz = (sz + 15) & ~15;
+ pages = EFI_SIZE_TO_PAGES(sz + bisz);
+ status = BS->AllocatePages(AllocateAnyPages, EfiLoaderData, pages,
+ &addr);
+ if (EFI_ERROR(status)) {
+ printf("%s: AllocatePages() returned 0x%lx\n", __func__,
+ (long)status);
+ return (ENOMEM);
+ }
+
+ /*
+ * Read the memory map and stash it after bootinfo. Align the
+ * memory map on a 16-byte boundary (the bootinfo block is page
+ * aligned).
+ */
+ *bi_addr = addr;
+ mm = (void *)(addr + bisz);
+ sz = (EFI_PAGE_SIZE * pages) - bisz;
+ status = BS->GetMemoryMap(&sz, mm, &mapkey, &mmsz, &mmver);
+ if (EFI_ERROR(status)) {
+ printf("%s: GetMemoryMap() returned 0x%lx\n", __func__,
+ (long)status);
+ return (EINVAL);
+ }
+ bi->bi_memmap = (uint64_t)mm;
+ bi->bi_memmap_size = sz;
+ bi->bi_memdesc_size = mmsz;
+ bi->bi_memdesc_version = mmver;
+
+ bcopy(bi, (void *)(*bi_addr), sizeof(*bi));
+ return (0);
+}
+
+int
+ldr_enter(const char *kernel)
+{
+ EFI_STATUS status;
+
+ status = BS->ExitBootServices(IH, mapkey);
+ if (EFI_ERROR(status)) {
+ printf("%s: ExitBootServices() returned 0x%lx\n", __func__,
+ (long)status);
+ return (EINVAL);
+ }
+
+ return (0);
+}
diff --git a/stand/efi/loader/arch/i386/elf32_freebsd.c b/stand/efi/loader/arch/i386/elf32_freebsd.c
new file mode 100644
index 000000000000..d3c42613108e
--- /dev/null
+++ b/stand/efi/loader/arch/i386/elf32_freebsd.c
@@ -0,0 +1,100 @@
+/*-
+ * 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 <sys/param.h>
+#include <sys/exec.h>
+#include <sys/linker.h>
+#include <string.h>
+#include <machine/bootinfo.h>
+#include <machine/elf.h>
+#include <stand.h>
+
+#include <efi.h>
+#include <efilib.h>
+
+#include "bootstrap.h"
+#include "../libi386/libi386.h"
+#include "../btx/lib/btxv86.h"
+
+extern void __exec(caddr_t addr, ...);
+extern int bi_load(char *args, vm_offset_t *modulep, vm_offset_t *kernendp);
+extern int ldr_enter(const char *kernel);
+
+static int elf32_exec(struct preloaded_file *amp);
+static int elf32_obj_exec(struct preloaded_file *amp);
+
+struct file_format i386_elf = { elf32_loadfile, elf32_exec };
+struct file_format i386_elf_obj = { elf32_obj_loadfile, elf32_obj_exec };
+
+struct file_format *file_formats[] = {
+ &i386_elf,
+ &i386_elf_obj,
+ NULL
+};
+
+/*
+ * There is an ELF kernel and one or more ELF modules loaded.
+ * We wish to start executing the kernel image, so make such
+ * preparations as are required, and do so.
+ */
+static int
+elf32_exec(struct preloaded_file *fp)
+{
+ struct file_metadata *md;
+ Elf_Ehdr *ehdr;
+ vm_offset_t entry, bootinfop, modulep, kernend;
+ int boothowto, err, bootdev;
+
+ if ((md = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL)
+ return(EFTYPE);
+ ehdr = (Elf_Ehdr *)&(md->md_data);
+
+ efi_time_fini();
+ err = bi_load(fp->f_args, &modulep, &kernend);
+ if (err != 0) {
+ efi_time_init();
+ return(err);
+ }
+ entry = ehdr->e_entry & 0xffffff;
+
+ printf("Start @ 0x%x ...\n", entry);
+
+ ldr_enter(fp->f_name);
+
+ dev_cleanup();
+ __exec((void *)entry, boothowto, bootdev, 0, 0, 0, bootinfop, modulep, kernend);
+
+ panic("exec returned");
+}
+
+static int
+elf32_obj_exec(struct preloaded_file *fp)
+{
+ return (EFTYPE);
+}
diff --git a/stand/efi/loader/arch/i386/exec.c b/stand/efi/loader/arch/i386/exec.c
new file mode 100644
index 000000000000..579f5593b24b
--- /dev/null
+++ b/stand/efi/loader/arch/i386/exec.c
@@ -0,0 +1,49 @@
+/*-
+ * Copyright (c) 2010 Rui Paulo <rpaulo@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 ``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 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$");
+
+#include <stand.h>
+#include <machine/elf.h>
+#include "../btx/lib/btxv86.h"
+
+#include "../../common/bootstrap.h"
+
+uint32_t __base;
+struct __v86 __v86;
+
+void
+__v86int()
+{
+ printf("%s\n", __func__);
+ exit(1);
+}
+
+void
+__exec(caddr_t addr, ...)
+{
+}
diff --git a/stand/efi/loader/arch/i386/i386_copy.c b/stand/efi/loader/arch/i386/i386_copy.c
new file mode 100644
index 000000000000..522913f5da43
--- /dev/null
+++ b/stand/efi/loader/arch/i386/i386_copy.c
@@ -0,0 +1,59 @@
+/*-
+ * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * MD primitives supporting placement of module data
+ *
+ * XXX should check load address/size against memory top.
+ */
+#include <stand.h>
+
+#include "libi386.h"
+#include "btxv86.h"
+
+ssize_t
+i386_copyin(const void *src, vm_offset_t dest, const size_t len)
+{
+ bcopy(src, PTOV(dest), len);
+ return(len);
+}
+
+ssize_t
+i386_copyout(const vm_offset_t src, void *dest, const size_t len)
+{
+ bcopy(PTOV(src), dest, len);
+ return(len);
+}
+
+
+ssize_t
+i386_readin(const int fd, vm_offset_t dest, const size_t len)
+{
+ return (read(fd, PTOV(dest), len));
+}
diff --git a/stand/efi/loader/arch/i386/ldscript.i386 b/stand/efi/loader/arch/i386/ldscript.i386
new file mode 100644
index 000000000000..e17212a1bddd
--- /dev/null
+++ b/stand/efi/loader/arch/i386/ldscript.i386
@@ -0,0 +1,77 @@
+/* $FreeBSD$ */
+OUTPUT_FORMAT("elf32-i386-freebsd", "elf32-i386-freebsd", "elf32-i386-freebsd")
+OUTPUT_ARCH(i386)
+ENTRY(_start)
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = 0;
+ ImageBase = .;
+ . = SIZEOF_HEADERS;
+ . = ALIGN(4096);
+ .text : {
+ *(.text .stub .text.* .gnu.linkonce.t.*)
+ /* .gnu.warning sections are handled specially by elf32.em. */
+ *(.gnu.warning)
+ *(.plt)
+ } =0xCCCCCCCC
+ . = ALIGN(4096);
+ .data : {
+ *(.rodata .rodata.* .gnu.linkonce.r.*)
+ *(.rodata1)
+ *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
+ *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*)
+ *(.opd)
+ *(.data .data.* .gnu.linkonce.d.*)
+ *(.data1)
+ *(.plabel)
+ *(.dynbss)
+ *(.bss .bss.* .gnu.linkonce.b.*)
+ *(COMMON)
+ }
+ . = ALIGN(4096);
+ set_Xcommand_set : {
+ __start_set_Xcommand_set = .;
+ *(set_Xcommand_set)
+ __stop_set_Xcommand_set = .;
+ }
+ set_Xficl_compile_set : {
+ __start_set_Xficl_compile_set = .;
+ *(set_Xficl_compile_set)
+ __stop_set_Xficl_compile_set = .;
+ }
+ . = ALIGN(4096);
+ __gp = .;
+ .sdata : {
+ *(.got.plt .got)
+ *(.sdata .sdata.* .gnu.linkonce.s.*)
+ *(dynsbss)
+ *(.sbss .sbss.* .gnu.linkonce.sb.*)
+ *(.scommon)
+ }
+ . = ALIGN(4096);
+ .dynamic : { *(.dynamic) }
+ . = ALIGN(4096);
+ .rel.dyn : {
+ *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
+ *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
+ *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
+ *(.rel.got)
+ *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*)
+ *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*)
+ *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*)
+ *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*)
+ *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
+ *(.rel.plt)
+ *(.relset_*)
+ *(.rel.dyn .rel.dyn.*)
+ }
+ . = ALIGN(4096);
+ .reloc : { *(.reloc) }
+ . = ALIGN(4096);
+ .hash : { *(.hash) }
+ . = ALIGN(4096);
+ .dynsym : { *(.dynsym) }
+ . = ALIGN(4096);
+ .dynstr : { *(.dynstr) }
+}
diff --git a/stand/efi/loader/arch/i386/start.S b/stand/efi/loader/arch/i386/start.S
new file mode 100644
index 000000000000..b597f419d4a1
--- /dev/null
+++ b/stand/efi/loader/arch/i386/start.S
@@ -0,0 +1,68 @@
+/*-
+ * Copyright (c) 2008-2010 Rui Paulo <rpaulo@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.
+ *
+ * $FreeBSD$
+ */
+
+ .text
+
+#include <machine/asm.h>
+
+#define EFI_SUCCESS 0
+
+/*
+ * EFI entry point.
+ * _start(EFI_IMAGE image_handle, EFI_SYSTEM_TABLE *system_table);
+ *
+ * We calculate the base address along with _DYNAMIC, relocate us and finally
+ * pass control to efi_main.
+ */
+
+ENTRY(_start)
+ pushl %ebp
+ movl %esp, %ebp
+
+ pushl 12(%ebp) /* image_handle */
+ pushl 8(%ebp) /* system_table */
+ call 0f
+0: popl %eax
+ movl %eax, %ebx
+ addl $ImageBase-0b, %eax
+ addl $_DYNAMIC-0b, %ebx
+ pushl %ebx /* dynamic */
+ pushl %eax /* ImageBase */
+ call self_reloc
+ popl %ebx /* remove ImageBase from the stack */
+ popl %ebx /* remove dynamic from the stack */
+ call efi_main
+1: leave
+ ret
+END(_start)
+
+ .data
+ .section .reloc, "a"
+ .long 0
+ .long 10
+ .word 0