From 0d4600f607e19e5af14815bdf94143af4b70ff7f Mon Sep 17 00:00:00 2001
From: Sean Bruno <sbruno@FreeBSD.org>
Date: Fri, 14 Oct 2016 17:25:29 +0000
Subject: [PATCH] Update i386 build of loader.efi (but leave it disabled) so
 that we at least build it now.

Reviewed by:	emaste
Differential Revision:	https://reviews.freebsd.org/D7801
---
 sys/boot/efi/loader/arch/i386/efimd.c         |  5 ++++-
 sys/boot/efi/loader/arch/i386/elf32_freebsd.c | 10 +++++++---
 sys/boot/efi/loader/arch/i386/exec.c          |  6 ++++++
 targets/pseudo/userland/misc/Makefile.depend  |  2 +-
 4 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/sys/boot/efi/loader/arch/i386/efimd.c b/sys/boot/efi/loader/arch/i386/efimd.c
index 01905e664fdd..8e1d850d82cc 100644
--- a/sys/boot/efi/loader/arch/i386/efimd.c
+++ b/sys/boot/efi/loader/arch/i386/efimd.c
@@ -48,7 +48,10 @@ static EFI_GUID hcdp_guid = HCDP_TABLE_GUID;
 
 static UINTN mapkey;
 
-uint64_t
+int ldr_bootinfo(struct bootinfo *, uint64_t *);
+int ldr_enter(const char *);
+
+static uint64_t
 ldr_alloc(vm_offset_t va)
 {
 
diff --git a/sys/boot/efi/loader/arch/i386/elf32_freebsd.c b/sys/boot/efi/loader/arch/i386/elf32_freebsd.c
index b3a18d27d387..d3c42613108e 100644
--- a/sys/boot/efi/loader/arch/i386/elf32_freebsd.c
+++ b/sys/boot/efi/loader/arch/i386/elf32_freebsd.c
@@ -35,12 +35,16 @@ __FBSDID("$FreeBSD$");
 #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);
@@ -72,14 +76,14 @@ elf32_exec(struct preloaded_file *fp)
     ehdr = (Elf_Ehdr *)&(md->md_data);
 
     efi_time_fini();
-    err = bi_load(fp->f_args, &boothowto, &bootdev, &bootinfop, &modulep, &kernend);
+    err = bi_load(fp->f_args, &modulep, &kernend);
     if (err != 0) {
 	efi_time_init();
 	return(err);
     }
     entry = ehdr->e_entry & 0xffffff;
 
-    printf("Start @ 0x%lx ...\n", entry);
+    printf("Start @ 0x%x ...\n", entry);
 
     ldr_enter(fp->f_name);
 
diff --git a/sys/boot/efi/loader/arch/i386/exec.c b/sys/boot/efi/loader/arch/i386/exec.c
index 579f5593b24b..12a367cda5c2 100644
--- a/sys/boot/efi/loader/arch/i386/exec.c
+++ b/sys/boot/efi/loader/arch/i386/exec.c
@@ -36,6 +36,12 @@ __FBSDID("$FreeBSD$");
 uint32_t __base;
 struct __v86 __v86;
 
+/* XXX - Needed a definition here to implicitly define exit(); do not remove. */
+static void
+exit(int x)
+{
+}
+
 void
 __v86int()
 {
diff --git a/targets/pseudo/userland/misc/Makefile.depend b/targets/pseudo/userland/misc/Makefile.depend
index 19ede3238843..a4091cc1d76f 100644
--- a/targets/pseudo/userland/misc/Makefile.depend
+++ b/targets/pseudo/userland/misc/Makefile.depend
@@ -77,7 +77,7 @@ DIRDEPS.amd64+= \
 
 DIRDEPS.arm= ${_sys_boot_fdt} ${_sys_boot_efi}
 DIRDEPS.arm64= ${_sys_boot_fdt} ${_sys_boot_efi}
-DIRDEPS.i386= ${DIRDEPS.x86sys} sys/boot/efi/libefi
+DIRDEPS.i386= ${DIRDEPS.x86sys} ${_sys_boot_efi}
 DIRDEPS.powerpc= ${_sys_boot_fdt} sys/boot/libstand32 sys/boot/ofw sys/boot/uboot
 DIRDEPS.pc98= sys/boot/libstand32
 DIRDEPS.sparc64= sys/boot/ofw ${_sys_boot_zfs}