boards: remove x86-multiboot-common
This commit is contained in:
Hauke Petersen
parent
99009af25e
commit
b3eb9b8cf2
@ -1,3 +0,0 @@
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MODULE = x86-multiboot-common
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include $(RIOTBASE)/Makefile.base
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@ -1,67 +0,0 @@
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ifeq (, $(NEWLIB_BASE))
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NEWLIB_BASE := $(RIOTBASE)/toolchain/x86/i586-none-elf
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endif
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ifneq (0, $(shell test -e "$(NEWLIB_BASE)/lib/libc.a" && echo $$?))
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NEWLIB_PRECOMPILED_NAME := i586-newlib_2.2.0.20150623_tlsf-3337.tar.bz2
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NEWLIB_PRECOMPILED := http://download.riot-os.org/$(NEWLIB_PRECOMPILED_NAME)
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NEWLIB_PRECOMPILED_MD5 := 8090a768cf0294b259fe7ad904d085c7
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$(warning Precompiled newlib is missing in $(NEWLIB_BASE))
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$(warning Downloading from $(NEWLIB_PRECOMPILED))
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$(shell cd $(RIOTBASE) && $(DLCACHE) "$(NEWLIB_PRECOMPILED)" 8090a768cf0294b259fe7ad904d085c7 - | tar xj)
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endif
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ifeq (,$(BUILD_INCLUDE_BASE))
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GCC_BUILD_TRIPLET ?= $(shell gcc -dumpmachine)
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GCC_BUILD_VERSION ?= $(shell gcc -dumpversion)
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BUILD_INCLUDE_BASE = /usr/lib/gcc/$(GCC_BUILD_TRIPLET)/$(GCC_BUILD_VERSION)
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ifeq (,$(shell echo $(GCC_BUILD_TRIPLET) | sed -e 's,-.*,,' | grep -e '\(x\|i[3-7]\)86'))
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$(warning Your build machine is a(n) $(GCC_BUILD_TRIPLET).)
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$(warning Since this is not IA32 compatible, you must set BUILD_INCLUDE_BASE explicitly!)
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endif
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endif
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export INCLUDES += -isystem $(BUILD_INCLUDE_BASE)/include \
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-isystem $(NEWLIB_BASE)/include \
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-isystem $(NEWLIB_BASE)/sys-include \
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-isystem $(BUILD_INCLUDE_BASE)/include-fixed \
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-I$(RIOTBOARD)/x86-multiboot-common/include
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export CPU = x86
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# toolchain config
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export CC ?= $(PREFIX)gcc
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ifeq ($(LTO),1)
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export AR = $(PREFIX)gcc-ar
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else
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export AR = $(PREFIX)ar
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endif
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export AS ?= $(PREFIX)as
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export RANLIB ?= $(PREFIX)ranlib
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export LINK ?= $(RIOTBASE)/boards/x86-multiboot-common/dist/link $(PREFIX)gcc
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export SIZE ?= $(PREFIX)size
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export OBJCOPY ?= $(PREFIX)objcopy
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export CFLAGS += -m32 -mfpmath=387 -ffreestanding -nostdlib -nostdinc -fno-builtin
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export OFLAGS = -O binary
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LINKFLAGS += -m32 -nostdlib -nostdinc -nostartfiles -nodefaultlibs \
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--prefix=$(NEWLIB_BASE) \
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-Wl,-rpath,$(NEWLIB_BASE)/lib \
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-T$(RIOTBASE)/boards/x86-multiboot-common/linker.ld
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# clean up unused functions
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export CFLAGS += -ffunction-sections -fdata-sections
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export LINKFLAGS += -Wl,--gc-sections
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UNDEF += $(BINDIR)/x86-multiboot-common/startup.o
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BASELIBS += $(NEWLIB_BASE)/lib/libc.a \
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$(NEWLIB_BASE)/lib/libm.a
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all:
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all-debug: export CFLAGS += -ggdb3 -O0
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all-debug: all
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14
boards/x86-multiboot-common/dist/link
vendored
14
boards/x86-multiboot-common/dist/link
vendored
@ -1,14 +0,0 @@
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#!/usr/bin/env bash
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args=($@)
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for ((i = 0; i < ${#args[@]}; ++i))
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do
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if [[ "${args[i]}" == '-lm' ]]
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then
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unset args[i]
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break
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fi
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done
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exec "${args[@]}"
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@ -1,238 +0,0 @@
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/* Copyright (C) 1999,2003,2007,2008,2009 Free Software Foundation, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ANY
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* DEVELOPER OR DISTRIBUTOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
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* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* @defgroup boards_x86-multiboot i586 multiboot common
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* @ingroup boards
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* @brief Common files for multiboot enabled kernels
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*
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* @ingroup x86-multiboot
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* @{
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* @file
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* @brief Architecture specific definitions for multiboot enabled kernels
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*/
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#ifndef MULTIBOOT_H
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#define MULTIBOOT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** How many bytes from the start of the file we search for the header. */
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#define MULTIBOOT_SEARCH 8192
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/** The flags for the Multiboot header. */
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#define MULTIBOOT_HEADER_FLAGS 0x00010003
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/** The magic field should contain this. */
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#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
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/** This should be in %eax. */
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#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
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/** The bits in the required part of flags field we don't support. */
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#define MULTIBOOT_UNSUPPORTED 0x0000fffc
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/** Alignment of multiboot modules. */
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#define MULTIBOOT_MOD_ALIGN 0x00001000
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/** Alignment of the multiboot info structure. */
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#define MULTIBOOT_INFO_ALIGN 0x00000004
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/** Flags set in the 'flags' member of the multiboot header. */
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/** Align all boot modules on i386 page (4KB) boundaries. */
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#define MULTIBOOT_PAGE_ALIGN 0x00000001
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/** Must pass memory information to OS. */
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#define MULTIBOOT_MEMORY_INFO 0x00000002
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/** Must pass video information to OS. */
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#define MULTIBOOT_VIDEO_MODE 0x00000004
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/** This flag indicates the use of the address fields in the header. */
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#define MULTIBOOT_AOUT_KLUDGE 0x00010000
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/** Flags to be set in the 'flags' member of the multiboot info structure. */
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/** is there basic lower/upper memory information? */
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#define MULTIBOOT_INFO_MEMORY 0x00000001
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/** is there a boot device set? */
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#define MULTIBOOT_INFO_BOOTDEV 0x00000002
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/** is the command-line defined? */
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#define MULTIBOOT_INFO_CMDLINE 0x00000004
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/** are there modules to do something with? */
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#define MULTIBOOT_INFO_MODS 0x00000008
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/** These next two are mutually exclusive */
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/** is there a symbol table loaded? */
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#define MULTIBOOT_INFO_AOUT_SYMS 0x00000010
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/** is there an ELF section header table? */
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#define MULTIBOOT_INFO_ELF_SHDR 0X00000020
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/** is there a full memory map? */
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#define MULTIBOOT_INFO_MEM_MAP 0x00000040
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/** Is there drive info? */
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#define MULTIBOOT_INFO_DRIVE_INFO 0x00000080
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/** Is there a config table? */
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#define MULTIBOOT_INFO_CONFIG_TABLE 0x00000100
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/** Is there a boot loader name? */
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#define MULTIBOOT_INFO_BOOT_LOADER_NAME 0x00000200
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/** Is there a APM table? */
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#define MULTIBOOT_INFO_APM_TABLE 0x00000400
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/** Is there video information? */
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#define MULTIBOOT_INFO_VIDEO_INFO 0x00000800
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#ifndef ASM_FILE
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typedef unsigned short multiboot_uint16_t;
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typedef unsigned int multiboot_uint32_t;
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typedef unsigned long long multiboot_uint64_t;
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typedef struct multiboot_header {
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/** Must be MULTIBOOT_MAGIC - see above. */
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multiboot_uint32_t magic;
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/** Feature flags. */
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multiboot_uint32_t flags;
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/** The above fields plus this one must equal 0 mod 2^32. */
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multiboot_uint32_t checksum;
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/** These are only valid if MULTIBOOT_AOUT_KLUDGE is set. */
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multiboot_uint32_t header_addr;
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multiboot_uint32_t load_addr;
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multiboot_uint32_t load_end_addr;
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multiboot_uint32_t bss_end_addr;
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multiboot_uint32_t entry_addr;
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/** These are only valid if MULTIBOOT_VIDEO_MODE is set. */
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multiboot_uint32_t mode_type;
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multiboot_uint32_t width;
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multiboot_uint32_t height;
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multiboot_uint32_t depth;
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} multiboot_header_t;
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/** The symbol table for a.out. */
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struct multiboot_aout_symbol_table {
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multiboot_uint32_t tabsize;
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multiboot_uint32_t strsize;
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multiboot_uint32_t addr;
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multiboot_uint32_t reserved;
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};
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typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t;
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/** The section header table for ELF. */
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struct multiboot_elf_section_header_table {
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multiboot_uint32_t num;
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multiboot_uint32_t size;
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multiboot_uint32_t addr;
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multiboot_uint32_t shndx;
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};
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typedef struct multiboot_elf_section_header_table multiboot_elf_section_header_table_t;
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struct multiboot_info {
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/** Multiboot info version number */
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multiboot_uint32_t flags;
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/** Available memory from BIOS */
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multiboot_uint32_t mem_lower;
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multiboot_uint32_t mem_upper;
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/** "root" partition */
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multiboot_uint32_t boot_device;
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/** Kernel command line */
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multiboot_uint32_t cmdline;
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/** Boot-Module list */
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multiboot_uint32_t mods_count;
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multiboot_uint32_t mods_addr;
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union {
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multiboot_aout_symbol_table_t aout_sym;
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multiboot_elf_section_header_table_t elf_sec;
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} u;
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/** Memory Mapping buffer */
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multiboot_uint32_t mmap_length;
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multiboot_uint32_t mmap_addr;
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/** Drive Info buffer */
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multiboot_uint32_t drives_length;
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multiboot_uint32_t drives_addr;
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/** ROM configuration table */
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multiboot_uint32_t config_table;
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/** Boot Loader Name */
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multiboot_uint32_t boot_loader_name;
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/** APM table */
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multiboot_uint32_t apm_table;
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/** Video */
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multiboot_uint32_t vbe_control_info;
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multiboot_uint32_t vbe_mode_info;
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multiboot_uint16_t vbe_mode;
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multiboot_uint16_t vbe_interface_seg;
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multiboot_uint16_t vbe_interface_off;
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multiboot_uint16_t vbe_interface_len;
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};
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typedef struct multiboot_info multiboot_info_t;
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struct multiboot_mmap_entry {
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multiboot_uint32_t size;
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multiboot_uint64_t addr;
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multiboot_uint64_t len;
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#define MULTIBOOT_MEMORY_AVAILABLE 1
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#define MULTIBOOT_MEMORY_RESERVED 2
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multiboot_uint32_t type;
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} __attribute__((packed));
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typedef struct multiboot_mmap_entry multiboot_memory_map_t;
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struct multiboot_mod_list {
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/** the memory used goes from bytes 'mod_start' to 'mod_end-1' inclusive */
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multiboot_uint32_t mod_start;
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multiboot_uint32_t mod_end;
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/** Module command line */
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multiboot_uint32_t cmdline;
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/** padding to take it to 16 bytes (must be zero) */
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multiboot_uint32_t pad;
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};
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typedef struct multiboot_mod_list multiboot_module_t;
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#endif /** ! ASM_FILE */
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#ifdef __cplusplus
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}
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#endif
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#endif /* MULTIBOOT_H */
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/** @} */
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@ -1,117 +0,0 @@
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/*
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* Copyright (C) 2014 René Kijewski <rene.kijewski@fu-berlin.de>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/* The bootloader will look at this image and start execution at the symbol
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designated as the entry point. */
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ENTRY(_start)
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/* Tell where the various sections of the object files will be put in the final
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kernel image. */
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SECTIONS
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{
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/* Begin putting sections at 1 MiB, a conventional place for kernels to be
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loaded at by the bootloader. */
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. = 1M;
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_kernel_memory_start = .;
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/* First put the multiboot header, as it is required to be put very early
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early in the image or the bootloader won't recognize the file format.
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Next we'll put the .text section. */
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._multiboot_header :
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{
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KEEP(*(._multiboot_header))
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}
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.note.gnu.build-id :
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{
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*(.note.gnu.build-id)
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}
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.text :
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{
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. = ALIGN(4);
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_section_text_start = .;
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*(.text)
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*(.text.*)
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*(.gnu.linkonce.t)
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*(.gnu.linkonce.t.*)
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_section_text_end = .;
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}
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. = ALIGN(0x1000);
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/* Read-only data. */
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.rodata :
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{
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_section_rodata_start = .;
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*(.rodata)
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*(.rodata.*)
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*(.gnu.linkonce.r)
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*(.gnu.linkonce.r.*)
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_section_rodata_end = .;
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}
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. = ALIGN(0x1000);
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/* Read-write data (initialized) */
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.data :
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{
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_section_data_start = .;
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*(.data)
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*(.data.*)
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*(.gnu.linkonce.d)
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*(.gnu.linkonce.d.*)
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. = ALIGN(4);
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_section_data_end = .;
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/* no need to align between .data and .bss */
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}
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/* Read-write data (uninitialized) and stack */
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.bss :
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{
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_section_bss_start = .;
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*(COMMON)
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*(COMMON.*)
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*(.bss)
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*(.bss.*)
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*(.gnu.linkonce.b)
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*(.gnu.linkonce.b.*)
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_section_bss_end = .;
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}
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. = ALIGN(0x1000);
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_kernel_memory_end = .;
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. += 0x1000;
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. = ALIGN(0x10000);
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_heap_start = .;
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/* The compiler may produce other sections, by default it will put them in
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a segment with the same name. Simply add stuff here as needed. */
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}
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@ -1,144 +0,0 @@
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/*
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* Copyright (C) 2014 René Kijewski <rene.kijewski@fu-berlin.de>
|
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*
|
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* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
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|
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/**
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* @ingroup boards_x86-multiboot
|
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* @{
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*
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* @file
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* @brief Startup code to be loaded by multiboot enabled bootloaders.
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*
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* @author René Kijewski <rene.kijewski@fu-berlin.de>
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*
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* @}
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*/
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|
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#include <cpu.h>
|
||||
#include <multiboot.h>
|
||||
#include <x86_kernel_memory.h>
|
||||
#include <x86_memory.h>
|
||||
#include <x86_reboot.h>
|
||||
#include <x86_videoram.h>
|
||||
|
||||
#include <inttypes.h>
|
||||
#include <stdint.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#ifndef BREAK_STARTUP
|
||||
# define BREAK_STARTUP (0)
|
||||
#endif
|
||||
|
||||
static void __attribute__((noreturn)) startup(uint32_t multiboot_magic, const multiboot_info_t *multiboot_info);
|
||||
void __attribute__((noreturn, optimize("Os", "omit-frame-pointer"), no_instrument_function)) _start(void);
|
||||
|
||||
extern const multiboot_header_t multiboot_header __attribute__((section("._multiboot_header")));
|
||||
const multiboot_header_t multiboot_header = {
|
||||
.magic = MULTIBOOT_HEADER_MAGIC,
|
||||
.flags = MULTIBOOT_HEADER_FLAGS,
|
||||
.checksum = (-(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS)),
|
||||
.header_addr = (uintptr_t) &multiboot_header,
|
||||
.load_addr = (uintptr_t) &_kernel_memory_start,
|
||||
.load_end_addr = (uintptr_t) &_section_data_end,
|
||||
.bss_end_addr = (uintptr_t) &_section_bss_end,
|
||||
.entry_addr = (uintptr_t) &_start,
|
||||
};
|
||||
|
||||
void __attribute__((noreturn, optimize("Os", "omit-frame-pointer"), no_instrument_function)) _start(void)
|
||||
{
|
||||
__asm__ volatile ("xor %ebp, %ebp");
|
||||
__asm__ volatile ("push %ebp");
|
||||
__asm__ volatile ("push %ebx");
|
||||
__asm__ volatile ("push %eax");
|
||||
__asm__ volatile ("push %ebp");
|
||||
__asm__ volatile ("jmp *%0" :: "r"(&startup));
|
||||
__builtin_unreachable();
|
||||
}
|
||||
|
||||
static const multiboot_info_t *multiboot_info;
|
||||
|
||||
bool x86_get_memory_region(uint64_t *start, uint64_t *len, unsigned long *pos)
|
||||
{
|
||||
while (1) {
|
||||
if (*pos >= multiboot_info->mmap_length) {
|
||||
return false;
|
||||
}
|
||||
|
||||
const multiboot_memory_map_t *mmap = (void *)(multiboot_info->mmap_addr + *pos);
|
||||
*pos += mmap->size + 4;
|
||||
|
||||
*start = mmap->addr;
|
||||
*len = mmap->len;
|
||||
|
||||
uint64_t end = *start + *len;
|
||||
printf(" %08lx%08lx - %08lx%08lx ", (long) (*start >> 32), (long) *start, (long) (end >> 32), (long) end);
|
||||
|
||||
if (mmap->type != 1) {
|
||||
// not free (ignore reclaimable RAM)
|
||||
const char *msg;
|
||||
switch (mmap->type) {
|
||||
case 2: msg = "reseved"; break;
|
||||
case 3: msg = "ACPI [reclaimable]"; break;
|
||||
case 4: msg = "ACPI [NVS]"; break;
|
||||
case 5: msg = "bad memory"; break;
|
||||
default: msg = "unknown";
|
||||
}
|
||||
printf("(unusable: %s)\r\n", msg);
|
||||
}
|
||||
else {
|
||||
puts("(usable)");
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void have_a_break(void)
|
||||
{
|
||||
volatile bool cnt = false;
|
||||
while (!cnt) {
|
||||
__asm__ volatile ("pause");
|
||||
}
|
||||
}
|
||||
|
||||
static void __attribute__((noreturn)) startup(uint32_t multiboot_magic, const multiboot_info_t *multiboot_info_)
|
||||
{
|
||||
x86_init_gdt(); /* load GDT early */
|
||||
x86_load_empty_idt(); /* just a safeguard to cause a tripple fault, not really needed */
|
||||
|
||||
#if BREAK_STARTUP
|
||||
have_a_break();
|
||||
#else
|
||||
(void) have_a_break;
|
||||
#endif
|
||||
|
||||
memset(&_section_bss_start, 0, &_section_bss_end - &_section_bss_start + 1);
|
||||
|
||||
videoram_puts(" Booting RIOT \r\n");
|
||||
if (multiboot_magic != MULTIBOOT_BOOTLOADER_MAGIC) {
|
||||
videoram_puts(" Multiboot magic is wrong \r\n");
|
||||
x86_hlt();
|
||||
}
|
||||
else if (!(multiboot_info->flags && MULTIBOOT_INFO_MEM_MAP)) {
|
||||
videoram_puts(" Multiboot is lacking memory map information \r\n");
|
||||
x86_hlt();
|
||||
}
|
||||
|
||||
multiboot_info = multiboot_info_;
|
||||
x86_startup();
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user