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https://github.com/freebsd/freebsd-src
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stand: Move md_copymodules into modinfo.c and reduce copies
md_copymodules, bi_copymdoules, bi_copymodules32 (x2) and bi_copymodules64 (x2) are all the same routine... Replace them all with md_copymodules. This saves about 800 bytes on i386 BIOS loader, which is a nice bonus. Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D36572
This commit is contained in:
parent
bca9c87b61
commit
5d1531d9d4
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@ -93,49 +93,6 @@ md_copyenv(vm_offset_t addr)
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return(addr);
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return(addr);
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}
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}
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static int align;
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#define MOD_ALIGN(l) roundup(l, align)
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static vm_offset_t
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md_copymodules(vm_offset_t addr, int kern64)
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{
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struct preloaded_file *fp;
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struct file_metadata *md;
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uint64_t scratch64;
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uint32_t scratch32;
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int c;
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c = addr != 0;
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/* start with the first module on the list, should be the kernel */
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for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
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MOD_NAME(addr, fp->f_name, c); /* this field must come first */
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MOD_TYPE(addr, fp->f_type, c);
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if (fp->f_args)
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MOD_ARGS(addr, fp->f_args, c);
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if (kern64) {
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scratch64 = fp->f_addr;
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MOD_ADDR(addr, scratch64, c);
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scratch64 = fp->f_size;
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MOD_SIZE(addr, scratch64, c);
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} else {
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scratch32 = fp->f_addr;
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#ifdef __arm__
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scratch32 -= __elfN(relocation_offset);
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#endif
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MOD_ADDR(addr, scratch32, c);
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MOD_SIZE(addr, fp->f_size, c);
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}
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for (md = fp->f_metadata; md != NULL; md = md->md_next) {
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if (!(md->md_type & MODINFOMD_NOCOPY)) {
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MOD_METADATA(addr, md, c);
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}
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}
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}
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MOD_END(addr, c);
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return(addr);
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}
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/*
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/*
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* Load the information expected by a kernel.
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* Load the information expected by a kernel.
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*
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*
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86
stand/common/modinfo.c
Normal file
86
stand/common/modinfo.c
Normal file
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@ -0,0 +1,86 @@
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/*-
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* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: FreeBSD: src/sys/boot/sparc64/loader/metadata.c,v 1.6
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*/
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#include <stand.h>
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#include <sys/param.h>
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#include <sys/linker.h>
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#include <sys/boot.h>
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#include <sys/reboot.h>
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#if defined(LOADER_FDT_SUPPORT)
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#include <fdt_platform.h>
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#endif
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#ifdef __arm__
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#include <machine/elf.h>
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#endif
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#include <machine/metadata.h>
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#include "bootstrap.h"
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#include "modinfo.h"
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static int align;
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#define MOD_ALIGN(l) roundup(l, align)
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vm_offset_t
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md_copymodules(vm_offset_t addr, bool kern64)
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{
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struct preloaded_file *fp;
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struct file_metadata *md;
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uint64_t scratch64;
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uint32_t scratch32;
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int c;
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c = addr != 0;
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/* start with the first module on the list, should be the kernel */
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for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
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MOD_NAME(addr, fp->f_name, c); /* this field must come first */
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MOD_TYPE(addr, fp->f_type, c);
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if (fp->f_args)
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MOD_ARGS(addr, fp->f_args, c);
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if (kern64) {
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scratch64 = fp->f_addr;
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MOD_ADDR(addr, scratch64, c);
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scratch64 = fp->f_size;
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MOD_SIZE(addr, scratch64, c);
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} else {
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scratch32 = fp->f_addr;
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#ifdef __arm__
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scratch32 -= __elfN(relocation_offset);
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#endif
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MOD_ADDR(addr, scratch32, c);
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MOD_SIZE(addr, fp->f_size, c);
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}
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for (md = fp->f_metadata; md != NULL; md = md->md_next) {
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if (!(md->md_type & MODINFOMD_NOCOPY)) {
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MOD_METADATA(addr, md, c);
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}
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}
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}
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MOD_END(addr, c);
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return(addr);
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}
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@ -69,4 +69,6 @@
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COPY32(0, a, c); \
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COPY32(0, a, c); \
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}
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}
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vm_offset_t md_copymodules(vm_offset_t addr, bool kern64);
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#endif /* COMMON_MODINFO_H */
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#endif /* COMMON_MODINFO_H */
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@ -61,11 +61,6 @@ __FBSDID("$FreeBSD$");
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#include "geliboot.h"
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#include "geliboot.h"
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#endif
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#endif
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/*
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* Align to a pointer / long
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*/
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#define MOD_ALIGN(l) roundup(l, sizeof(u_long))
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int bi_load(char *args, vm_offset_t *modulep, vm_offset_t *kernendp,
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int bi_load(char *args, vm_offset_t *modulep, vm_offset_t *kernendp,
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bool exit_bs);
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bool exit_bs);
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@ -170,36 +165,6 @@ bi_copyenv(vm_offset_t start)
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return(last);
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return(last);
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}
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}
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static vm_offset_t
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bi_copymodules(vm_offset_t addr)
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{
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struct preloaded_file *fp;
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struct file_metadata *md;
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int c;
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uint64_t v;
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c = addr != 0;
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/* Start with the first module on the list, should be the kernel. */
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for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
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MOD_NAME(addr, fp->f_name, c); /* This must come first. */
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MOD_TYPE(addr, fp->f_type, c);
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if (fp->f_args)
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MOD_ARGS(addr, fp->f_args, c);
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v = fp->f_addr;
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#if defined(__arm__)
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v -= __elfN(relocation_offset);
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#endif
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MOD_ADDR(addr, v, c);
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v = fp->f_size;
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MOD_SIZE(addr, v, c);
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for (md = fp->f_metadata; md != NULL; md = md->md_next)
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if (!(md->md_type & MODINFOMD_NOCOPY))
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MOD_METADATA(addr, md, c);
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}
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MOD_END(addr, c);
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return(addr);
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}
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static EFI_STATUS
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static EFI_STATUS
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efi_do_vmap(EFI_MEMORY_DESCRIPTOR *mm, UINTN sz, UINTN mmsz, UINT32 mmver)
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efi_do_vmap(EFI_MEMORY_DESCRIPTOR *mm, UINTN sz, UINTN mmsz, UINT32 mmver)
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{
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{
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@ -487,7 +452,7 @@ bi_load(char *args, vm_offset_t *modulep, vm_offset_t *kernendp, bool exit_bs)
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#endif
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#endif
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bi_load_efi_data(kfp, exit_bs);
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bi_load_efi_data(kfp, exit_bs);
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size = bi_copymodules(0);
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size = md_copymodules(0, true);
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kernend = roundup(addr + size, PAGE_SIZE);
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kernend = roundup(addr + size, PAGE_SIZE);
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*kernendp = kernend;
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*kernendp = kernend;
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@ -512,7 +477,7 @@ bi_load(char *args, vm_offset_t *modulep, vm_offset_t *kernendp, bool exit_bs)
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#endif
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#endif
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/* Copy module list and metadata. */
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/* Copy module list and metadata. */
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(void)bi_copymodules(addr);
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(void)md_copymodules(addr, true);
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return (0);
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return (0);
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}
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}
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@ -44,37 +44,6 @@ __FBSDID("$FreeBSD$");
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static struct bootinfo bi;
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static struct bootinfo bi;
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/*
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* We have 4 byte alignment for 32-bit targets. This code is compiled as 32-bit
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* code...
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*/
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#define MOD_ALIGN(l) roundup(l, sizeof(u_long))
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static vm_offset_t
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bi_copymodules32(vm_offset_t addr)
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{
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struct preloaded_file *fp;
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struct file_metadata *md;
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int c;
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c = addr != 0;
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/* start with the first module on the list, should be the kernel */
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for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
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MOD_NAME(addr, fp->f_name, c); /* this field must come first */
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MOD_TYPE(addr, fp->f_type, c);
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if (fp->f_args)
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MOD_ARGS(addr, fp->f_args, c);
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MOD_ADDR(addr, fp->f_addr, c);
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MOD_SIZE(addr, fp->f_size, c);
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for (md = fp->f_metadata; md != NULL; md = md->md_next)
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if (!(md->md_type & MODINFOMD_NOCOPY))
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MOD_METADATA(addr, md, c);
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}
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MOD_END(addr, c);
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return(addr);
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}
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/*
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/*
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* Load the information expected by an i386 kernel.
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* Load the information expected by an i386 kernel.
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*
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*
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@ -179,7 +148,7 @@ bi_load32(char *args, int *howtop, int *bootdevp, vm_offset_t *bip, vm_offset_t
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/* Figure out the size and location of the metadata */
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/* Figure out the size and location of the metadata */
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*modulep = addr;
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*modulep = addr;
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size = bi_copymodules32(0);
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size = md_copymodules(0, false);
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kernend = roundup(addr + size, PAGE_SIZE);
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kernend = roundup(addr + size, PAGE_SIZE);
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*kernendp = kernend;
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*kernendp = kernend;
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@ -188,7 +157,7 @@ bi_load32(char *args, int *howtop, int *bootdevp, vm_offset_t *bip, vm_offset_t
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bcopy(&kernend, md->md_data, sizeof kernend);
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bcopy(&kernend, md->md_data, sizeof kernend);
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/* copy module list and metadata */
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/* copy module list and metadata */
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(void)bi_copymodules32(addr);
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(void)md_copymodules(addr, false);
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ssym = esym = 0;
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ssym = esym = 0;
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md = file_findmetadata(kfp, MODINFOMD_SSYM);
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md = file_findmetadata(kfp, MODINFOMD_SSYM);
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@ -45,40 +45,6 @@ __FBSDID("$FreeBSD$");
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#include "geliboot.h"
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#include "geliboot.h"
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#endif
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#endif
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/*
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* We have 8 byte alignment for 64-bit targets. This code is compiled as 64-bit
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* code...
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*/
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#define MOD_ALIGN(l) roundup(l, sizeof(uint64_t))
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static vm_offset_t
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bi_copymodules64(vm_offset_t addr)
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{
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struct preloaded_file *fp;
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struct file_metadata *md;
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int c;
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uint64_t v;
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c = addr != 0;
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/* start with the first module on the list, should be the kernel */
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for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
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MOD_NAME(addr, fp->f_name, c); /* this field must come first */
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MOD_TYPE(addr, fp->f_type, c);
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if (fp->f_args)
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MOD_ARGS(addr, fp->f_args, c);
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v = fp->f_addr;
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MOD_ADDR(addr, v, c);
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v = fp->f_size;
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MOD_SIZE(addr, v, c);
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for (md = fp->f_metadata; md != NULL; md = md->md_next)
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if (!(md->md_type & MODINFOMD_NOCOPY))
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MOD_METADATA(addr, md, c);
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}
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MOD_END(addr, c);
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return(addr);
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}
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/*
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/*
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* Check to see if this CPU supports long mode.
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* Check to see if this CPU supports long mode.
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*/
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*/
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@ -197,7 +163,7 @@ bi_load64(char *args, vm_offset_t *modulep,
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#endif
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#endif
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bi_load_vbe_data(kfp);
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bi_load_vbe_data(kfp);
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size = bi_copymodules64(0);
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size = md_copymodules(0, true);
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/* copy our environment */
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/* copy our environment */
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envp = roundup(addr + size, PAGE_SIZE);
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envp = roundup(addr + size, PAGE_SIZE);
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@ -216,7 +182,7 @@ bi_load64(char *args, vm_offset_t *modulep,
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bcopy(&envp, md->md_data, sizeof envp);
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bcopy(&envp, md->md_data, sizeof envp);
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/* copy module list and metadata */
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/* copy module list and metadata */
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(void)bi_copymodules64(*modulep);
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(void)md_copymodules(*modulep, true);
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return(0);
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return(0);
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}
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}
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@ -6,6 +6,7 @@ CFLAGS+=-I${LDRSRC}
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SRCS+= boot.c commands.c console.c devopen.c interp.c
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SRCS+= boot.c commands.c console.c devopen.c interp.c
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SRCS+= interp_backslash.c interp_parse.c ls.c misc.c
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SRCS+= interp_backslash.c interp_parse.c ls.c misc.c
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SRCS+= modinfo.c
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SRCS+= module.c nvstore.c pnglite.c tslog.c
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SRCS+= module.c nvstore.c pnglite.c tslog.c
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CFLAGS.module.c += -I$(SRCTOP)/sys/teken -I${SRCTOP}/contrib/pnglite
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CFLAGS.module.c += -I$(SRCTOP)/sys/teken -I${SRCTOP}/contrib/pnglite
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@ -43,36 +43,6 @@ __FBSDID("$FreeBSD$");
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static struct bootinfo bi;
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static struct bootinfo bi;
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/*
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* We have 4 byte alignment for 32-bit targets.
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*/
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|
||||||
#define MOD_ALIGN(l) roundup(l, sizeof(uint32_t))
|
|
||||||
|
|
||||||
static vm_offset_t
|
|
||||||
bi_copymodules32(vm_offset_t addr)
|
|
||||||
{
|
|
||||||
struct preloaded_file *fp;
|
|
||||||
struct file_metadata *md;
|
|
||||||
int c;
|
|
||||||
|
|
||||||
c = addr != 0;
|
|
||||||
/* 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, c); /* this field must come first */
|
|
||||||
MOD_TYPE(addr, fp->f_type, c);
|
|
||||||
if (fp->f_args)
|
|
||||||
MOD_ARGS(addr, fp->f_args, c);
|
|
||||||
MOD_ADDR(addr, fp->f_addr, c);
|
|
||||||
MOD_SIZE(addr, fp->f_size, c);
|
|
||||||
for (md = fp->f_metadata; md != NULL; md = md->md_next)
|
|
||||||
if (!(md->md_type & MODINFOMD_NOCOPY))
|
|
||||||
MOD_METADATA(addr, md, c);
|
|
||||||
}
|
|
||||||
MOD_END(addr, c);
|
|
||||||
return(addr);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Load the information expected by an i386 kernel.
|
* Load the information expected by an i386 kernel.
|
||||||
*
|
*
|
||||||
|
@ -157,7 +127,7 @@ bi_load32(char *args, int *howtop, int *bootdevp, vm_offset_t *bip, vm_offset_t
|
||||||
|
|
||||||
/* Figure out the size and location of the metadata */
|
/* Figure out the size and location of the metadata */
|
||||||
*modulep = addr;
|
*modulep = addr;
|
||||||
size = bi_copymodules32(0);
|
size = md_copymodules(0, false);
|
||||||
kernend = roundup(addr + size, PAGE_SIZE);
|
kernend = roundup(addr + size, PAGE_SIZE);
|
||||||
*kernendp = kernend;
|
*kernendp = kernend;
|
||||||
|
|
||||||
|
@ -166,7 +136,7 @@ bi_load32(char *args, int *howtop, int *bootdevp, vm_offset_t *bip, vm_offset_t
|
||||||
bcopy(&kernend, md->md_data, sizeof kernend);
|
bcopy(&kernend, md->md_data, sizeof kernend);
|
||||||
|
|
||||||
/* copy module list and metadata */
|
/* copy module list and metadata */
|
||||||
(void)bi_copymodules32(addr);
|
(void)md_copymodules(addr, false);
|
||||||
|
|
||||||
ssym = esym = 0;
|
ssym = esym = 0;
|
||||||
md = file_findmetadata(kfp, MODINFOMD_SSYM);
|
md = file_findmetadata(kfp, MODINFOMD_SSYM);
|
||||||
|
|
|
@ -40,40 +40,6 @@ __FBSDID("$FreeBSD$");
|
||||||
#include "modinfo.h"
|
#include "modinfo.h"
|
||||||
#include "libuserboot.h"
|
#include "libuserboot.h"
|
||||||
|
|
||||||
/*
|
|
||||||
* We have 8 byte alignment for 64-bit targets. This code is compiled as 32-bit
|
|
||||||
* code...
|
|
||||||
*/
|
|
||||||
#define MOD_ALIGN(l) roundup(l, sizeof(uint64_t))
|
|
||||||
|
|
||||||
static vm_offset_t
|
|
||||||
bi_copymodules64(vm_offset_t addr)
|
|
||||||
{
|
|
||||||
struct preloaded_file *fp;
|
|
||||||
struct file_metadata *md;
|
|
||||||
int c;
|
|
||||||
uint64_t v;
|
|
||||||
|
|
||||||
c = addr != 0;
|
|
||||||
/* 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, c); /* this field must come first */
|
|
||||||
MOD_TYPE(addr, fp->f_type, c);
|
|
||||||
if (fp->f_args)
|
|
||||||
MOD_ARGS(addr, fp->f_args, c);
|
|
||||||
v = fp->f_addr;
|
|
||||||
MOD_ADDR(addr, v, c);
|
|
||||||
v = fp->f_size;
|
|
||||||
MOD_SIZE(addr, v, c);
|
|
||||||
for (md = fp->f_metadata; md != NULL; md = md->md_next)
|
|
||||||
if (!(md->md_type & MODINFOMD_NOCOPY))
|
|
||||||
MOD_METADATA(addr, md, c);
|
|
||||||
}
|
|
||||||
MOD_END(addr, c);
|
|
||||||
return(addr);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Check to see if this CPU supports long mode.
|
* Check to see if this CPU supports long mode.
|
||||||
*/
|
*/
|
||||||
|
@ -190,7 +156,7 @@ bi_load64(char *args, vm_offset_t *modulep, vm_offset_t *kernendp)
|
||||||
|
|
||||||
/* Figure out the size and location of the metadata */
|
/* Figure out the size and location of the metadata */
|
||||||
*modulep = addr;
|
*modulep = addr;
|
||||||
size = bi_copymodules64(0);
|
size = md_copymodules(0, true);
|
||||||
kernend = roundup(addr + size, PAGE_SIZE);
|
kernend = roundup(addr + size, PAGE_SIZE);
|
||||||
*kernendp = kernend;
|
*kernendp = kernend;
|
||||||
|
|
||||||
|
@ -199,7 +165,7 @@ bi_load64(char *args, vm_offset_t *modulep, vm_offset_t *kernendp)
|
||||||
bcopy(&kernend, md->md_data, sizeof kernend);
|
bcopy(&kernend, md->md_data, sizeof kernend);
|
||||||
|
|
||||||
/* copy module list and metadata */
|
/* copy module list and metadata */
|
||||||
(void)bi_copymodules64(addr);
|
(void)md_copymodules(addr, true);
|
||||||
|
|
||||||
return(0);
|
return(0);
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in a new issue