stand: Create common/modinfo.h
Move all the MOD_xxx macros to this header. Each user of this interface is currently required to define MOD_ALIGNMENT(l). modinfo was selected because it sits inbetween modules and metadata and will make it easier to migrate to new, shared intefaces. Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D36571
This commit is contained in:
parent
8b19d28d68
commit
bca9c87b61
@ -44,6 +44,7 @@ __FBSDID("$FreeBSD$");
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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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#ifdef LOADER_GELI_SUPPORT
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#include "geliboot.h"
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@ -92,68 +93,8 @@ md_copyenv(vm_offset_t addr)
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return(addr);
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}
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/*
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* Copy module-related data into the load area, where it can be
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* used as a directory for loaded modules.
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*
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* Module data is presented in a self-describing format. Each datum
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* is preceded by a 32-bit identifier and a 32-bit size field.
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*
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* Currently, the following data are saved:
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*
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* MOD_NAME (variable) module name (string)
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* MOD_TYPE (variable) module type (string)
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* MOD_ARGS (variable) module parameters (string)
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* MOD_ADDR sizeof(vm_offset_t) module load address
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* MOD_SIZE sizeof(size_t) module size
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* MOD_METADATA (variable) type-specific metadata
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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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#define COPY32(v, a, c) { \
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uint32_t x = (v); \
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if (c) \
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archsw.arch_copyin(&x, a, sizeof(x)); \
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a += sizeof(x); \
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}
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#define MOD_STR(t, a, s, c) { \
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COPY32(t, a, c); \
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COPY32(strlen(s) + 1, a, c) \
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if (c) \
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archsw.arch_copyin(s, a, strlen(s) + 1);\
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a += MOD_ALIGN(strlen(s) + 1); \
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}
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#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
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#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
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#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
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#define MOD_VAR(t, a, s, c) { \
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COPY32(t, a, c); \
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COPY32(sizeof(s), a, c); \
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if (c) \
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archsw.arch_copyin(&s, a, sizeof(s)); \
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a += MOD_ALIGN(sizeof(s)); \
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}
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#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
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#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
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#define MOD_METADATA(a, mm, c) { \
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COPY32(MODINFO_METADATA | mm->md_type, a, c);\
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COPY32(mm->md_size, a, c); \
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if (c) \
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archsw.arch_copyin(mm->md_data, a, mm->md_size);\
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a += MOD_ALIGN(mm->md_size); \
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}
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#define MOD_END(a, c) { \
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COPY32(MODINFO_END, a, c); \
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COPY32(0, a, c); \
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}
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static vm_offset_t
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md_copymodules(vm_offset_t addr, int kern64)
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72
stand/common/modinfo.h
Normal file
72
stand/common/modinfo.h
Normal file
@ -0,0 +1,72 @@
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/*-
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* Copyright (c) 2022, Netflix, Inc.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#ifndef COMMON_MODINFO_H
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#define COMMON_MODINFO_H
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/*
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* Copy module-related data into the load area, where it can be
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* used as a directory for loaded modules.
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*
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* Module data is presented in a self-describing format. Each datum
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* is preceded by a 32-bit identifier and a 32-bit size field.
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*
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* Currently, the following data are saved:
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*
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* MOD_NAME (variable) module name (string)
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* MOD_TYPE (variable) module type (string)
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* MOD_ARGS (variable) module parameters (string)
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* MOD_ADDR sizeof(vm_offset_t) module load address
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* MOD_SIZE sizeof(size_t) module size
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* MOD_METADATA (variable) type-specific metadata
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*
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* Clients are required to define a MOD_ALIGN(l) macro which rounds the passed
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* in length to the required alignment for the kernel being booted.
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*/
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#define COPY32(v, a, c) { \
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uint32_t x = (v); \
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if (c) \
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archsw.arch_copyin(&x, a, sizeof(x)); \
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a += sizeof(x); \
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}
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#define MOD_STR(t, a, s, c) { \
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COPY32(t, a, c); \
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COPY32(strlen(s) + 1, a, c) \
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if (c) \
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archsw.arch_copyin(s, a, strlen(s) + 1);\
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a += MOD_ALIGN(strlen(s) + 1); \
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}
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#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
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#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
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#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
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#define MOD_VAR(t, a, s, c) { \
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COPY32(t, a, c); \
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COPY32(sizeof(s), a, c); \
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if (c) \
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archsw.arch_copyin(&s, a, sizeof(s)); \
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a += MOD_ALIGN(sizeof(s)); \
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}
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#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
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#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
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#define MOD_METADATA(a, mm, c) { \
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COPY32(MODINFO_METADATA | mm->md_type, a, c);\
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COPY32(mm->md_size, a, c); \
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if (c) \
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archsw.arch_copyin(mm->md_data, a, mm->md_size);\
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a += MOD_ALIGN(mm->md_size); \
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}
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#define MOD_END(a, c) { \
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COPY32(MODINFO_END, a, c); \
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COPY32(0, a, c); \
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}
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#endif /* COMMON_MODINFO_H */
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@ -44,6 +44,7 @@ __FBSDID("$FreeBSD$");
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#include <efilib.h>
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#include "bootstrap.h"
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#include "modinfo.h"
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#include "loader_efi.h"
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#if defined(__amd64__)
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@ -60,6 +61,11 @@ __FBSDID("$FreeBSD$");
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#include "geliboot.h"
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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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bool exit_bs);
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@ -164,66 +170,6 @@ bi_copyenv(vm_offset_t start)
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return(last);
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}
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/*
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* Copy module-related data into the load area, where it can be
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* used as a directory for loaded modules.
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*
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* Module data is presented in a self-describing format. Each datum
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* is preceded by a 32-bit identifier and a 32-bit size field.
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*
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* Currently, the following data are saved:
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*
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* MOD_NAME (variable) module name (string)
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* MOD_TYPE (variable) module type (string)
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* MOD_ARGS (variable) module parameters (string)
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* MOD_ADDR sizeof(vm_offset_t) module load address
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* MOD_SIZE sizeof(size_t) module size
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* MOD_METADATA (variable) type-specific metadata
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*/
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#define MOD_ALIGN(l) roundup(l, sizeof(u_long))
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#define COPY32(v, a, c) { \
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uint32_t x = (v); \
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if (c) \
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archsw.arch_copyin(&x, a, sizeof(x)); \
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a += sizeof(x); \
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}
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#define MOD_STR(t, a, s, c) { \
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COPY32(t, a, c); \
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COPY32(strlen(s) + 1, a, c); \
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if (c) \
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archsw.arch_copyin(s, a, strlen(s) + 1); \
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a += MOD_ALIGN(strlen(s) + 1); \
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}
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#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
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#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
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#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
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#define MOD_VAR(t, a, s, c) { \
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COPY32(t, a, c); \
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COPY32(sizeof(s), a, c); \
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if (c) \
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archsw.arch_copyin(&s, a, sizeof(s)); \
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a += MOD_ALIGN(sizeof(s)); \
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}
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#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
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#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
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#define MOD_METADATA(a, mm, c) { \
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COPY32(MODINFO_METADATA | mm->md_type, a, c); \
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COPY32(mm->md_size, a, c); \
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if (c) \
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archsw.arch_copyin(mm->md_data, a, mm->md_size); \
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a += MOD_ALIGN(mm->md_size); \
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}
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#define MOD_END(a, c) { \
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COPY32(MODINFO_END, a, c); \
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COPY32(0, a, c); \
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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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@ -34,6 +34,7 @@ __FBSDID("$FreeBSD$");
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#include <machine/bootinfo.h>
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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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#include "libi386.h"
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#include "btxv86.h"
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@ -44,64 +45,10 @@ __FBSDID("$FreeBSD$");
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static struct bootinfo bi;
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/*
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* Copy module-related data into the load area, where it can be
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* used as a directory for loaded modules.
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*
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* Module data is presented in a self-describing format. Each datum
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* is preceded by a 32-bit identifier and a 32-bit size field.
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*
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* Currently, the following data are saved:
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*
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* MOD_NAME (variable) module name (string)
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* MOD_TYPE (variable) module type (string)
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* MOD_ARGS (variable) module parameters (string)
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* MOD_ADDR sizeof(vm_offset_t) module load address
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* MOD_SIZE sizeof(size_t) module size
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* MOD_METADATA (variable) type-specific metadata
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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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#define COPY32(v, a, c) { \
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uint32_t x = (v); \
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if (c) \
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archsw.arch_copyin(&x, a, sizeof(x)); \
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a += sizeof(x); \
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}
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#define MOD_STR(t, a, s, c) { \
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COPY32(t, a, c); \
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COPY32(strlen(s) + 1, a, c); \
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if (c) \
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archsw.arch_copyin(s, a, strlen(s) + 1); \
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a += MOD_ALIGN(strlen(s) + 1); \
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}
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#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
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#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
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#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
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#define MOD_VAR(t, a, s, c) { \
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COPY32(t, a, c); \
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COPY32(sizeof(s), a, c); \
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if (c) \
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archsw.arch_copyin(&s, a, sizeof(s)); \
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a += MOD_ALIGN(sizeof(s)); \
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}
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#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
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#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
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#define MOD_METADATA(a, mm, c) { \
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COPY32(MODINFO_METADATA | mm->md_type, a, c); \
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COPY32(mm->md_size, a, c); \
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if (c) \
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archsw.arch_copyin(mm->md_data, a, mm->md_size); \
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a += MOD_ALIGN(mm->md_size); \
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}
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#define MOD_END(a, c) { \
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COPY32(MODINFO_END, a, c); \
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COPY32(0, a, c); \
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}
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static vm_offset_t
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bi_copymodules32(vm_offset_t addr)
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@ -37,6 +37,7 @@ __FBSDID("$FreeBSD$");
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#include <machine/psl.h>
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#include <machine/specialreg.h>
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#include "bootstrap.h"
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#include "modinfo.h"
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#include "libi386.h"
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#include "btxv86.h"
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@ -45,64 +46,10 @@ __FBSDID("$FreeBSD$");
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#endif
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/*
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* Copy module-related data into the load area, where it can be
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* used as a directory for loaded modules.
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*
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* Module data is presented in a self-describing format. Each datum
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* is preceded by a 32-bit identifier and a 32-bit size field.
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*
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* Currently, the following data are saved:
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*
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* MOD_NAME (variable) module name (string)
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* MOD_TYPE (variable) module type (string)
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* MOD_ARGS (variable) module parameters (string)
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* MOD_ADDR sizeof(vm_offset_t) module load address
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* MOD_SIZE sizeof(size_t) module size
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* MOD_METADATA (variable) type-specific metadata
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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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#define COPY32(v, a, c) { \
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uint32_t x = (v); \
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if (c) \
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archsw.arch_copyin(&x, a, sizeof(x)); \
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a += sizeof(x); \
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}
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#define MOD_STR(t, a, s, c) { \
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COPY32(t, a, c); \
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COPY32(strlen(s) + 1, a, c); \
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if (c) \
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archsw.arch_copyin(s, a, strlen(s) + 1); \
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a += MOD_ALIGN(strlen(s) + 1); \
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}
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#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
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#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
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#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
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#define MOD_VAR(t, a, s, c) { \
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COPY32(t, a, c); \
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COPY32(sizeof(s), a, c); \
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if (c) \
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archsw.arch_copyin(&s, a, sizeof(s)); \
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a += MOD_ALIGN(sizeof(s)); \
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}
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#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
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#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
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#define MOD_METADATA(a, mm, c) { \
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COPY32(MODINFO_METADATA | mm->md_type, a, c); \
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COPY32(mm->md_size, a, c); \
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if (c) \
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archsw.arch_copyin(mm->md_data, a, mm->md_size); \
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a += MOD_ALIGN(mm->md_size); \
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}
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#define MOD_END(a, c) { \
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COPY32(MODINFO_END, a, c); \
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COPY32(0, a, c); \
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}
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static vm_offset_t
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bi_copymodules64(vm_offset_t addr)
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@ -34,6 +34,7 @@ __FBSDID("$FreeBSD$");
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#include <i386/include/bootinfo.h>
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#include "bootstrap.h"
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#include "modinfo.h"
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#include "libuserboot.h"
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#ifdef LOADER_GELI_SUPPORT
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@ -43,64 +44,9 @@ __FBSDID("$FreeBSD$");
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static struct bootinfo bi;
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/*
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* Copy module-related data into the load area, where it can be
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* used as a directory for loaded modules.
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*
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* Module data is presented in a self-describing format. Each datum
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* is preceded by a 32-bit identifier and a 32-bit size field.
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*
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* Currently, the following data are saved:
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*
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* MOD_NAME (variable) module name (string)
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* MOD_TYPE (variable) module type (string)
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* MOD_ARGS (variable) module parameters (string)
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* MOD_ADDR sizeof(vm_offset_t) module load address
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* MOD_SIZE sizeof(size_t) module size
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* MOD_METADATA (variable) type-specific metadata
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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))
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#define COPY32(v, a, c) { \
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uint32_t x = (v); \
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if (c) \
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archsw.arch_copyin(&x, a, sizeof(x)); \
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a += sizeof(x); \
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}
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#define MOD_STR(t, a, s, c) { \
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COPY32(t, a, c); \
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COPY32(strlen(s) + 1, a, c); \
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if (c) \
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archsw.arch_copyin(s, a, strlen(s) + 1);\
|
||||
a += MOD_ALIGN(strlen(s) + 1); \
|
||||
}
|
||||
|
||||
#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
|
||||
#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
|
||||
#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
|
||||
|
||||
#define MOD_VAR(t, a, s, c) { \
|
||||
COPY32(t, a, c); \
|
||||
COPY32(sizeof(s), a, c); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(&s, a, sizeof(s)); \
|
||||
a += MOD_ALIGN(sizeof(s)); \
|
||||
}
|
||||
|
||||
#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
|
||||
#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
|
||||
|
||||
#define MOD_METADATA(a, mm, c) { \
|
||||
COPY32(MODINFO_METADATA | mm->md_type, a, c); \
|
||||
COPY32(mm->md_size, a, c); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(mm->md_data, a, mm->md_size);\
|
||||
a += MOD_ALIGN(mm->md_size); \
|
||||
}
|
||||
|
||||
#define MOD_END(a, c) { \
|
||||
COPY32(MODINFO_END, a, c); \
|
||||
COPY32(0, a, c); \
|
||||
}
|
||||
|
||||
static vm_offset_t
|
||||
bi_copymodules32(vm_offset_t addr)
|
||||
|
@ -37,67 +37,14 @@ __FBSDID("$FreeBSD$");
|
||||
#include <machine/specialreg.h>
|
||||
|
||||
#include "bootstrap.h"
|
||||
#include "modinfo.h"
|
||||
#include "libuserboot.h"
|
||||
|
||||
/*
|
||||
* 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
|
||||
* 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))
|
||||
#define COPY32(v, a, c) { \
|
||||
uint32_t x = (v); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(&x, a, sizeof(x)); \
|
||||
a += sizeof(x); \
|
||||
}
|
||||
|
||||
#define MOD_STR(t, a, s, c) { \
|
||||
COPY32(t, a, c); \
|
||||
COPY32(strlen(s) + 1, a, c); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(s, a, strlen(s) + 1);\
|
||||
a += MOD_ALIGN(strlen(s) + 1); \
|
||||
}
|
||||
|
||||
#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
|
||||
#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
|
||||
#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
|
||||
|
||||
#define MOD_VAR(t, a, s, c) { \
|
||||
COPY32(t, a, c); \
|
||||
COPY32(sizeof(s), a, c); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(&s, a, sizeof(s)); \
|
||||
a += MOD_ALIGN(sizeof(s)); \
|
||||
}
|
||||
|
||||
#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
|
||||
#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
|
||||
|
||||
#define MOD_METADATA(a, mm, c) { \
|
||||
COPY32(MODINFO_METADATA | mm->md_type, a, c); \
|
||||
COPY32(mm->md_size, a, c); \
|
||||
if (c) \
|
||||
archsw.arch_copyin(mm->md_data, a, mm->md_size);\
|
||||
a += MOD_ALIGN(mm->md_size); \
|
||||
}
|
||||
|
||||
#define MOD_END(a, c) { \
|
||||
COPY32(MODINFO_END, a, c); \
|
||||
COPY32(0, a, c); \
|
||||
}
|
||||
|
||||
static vm_offset_t
|
||||
bi_copymodules64(vm_offset_t addr)
|
||||
|
Loading…
Reference in New Issue
Block a user