diff options
Diffstat (limited to 'bsps/x86_64/amd64')
| -rw-r--r-- | bsps/x86_64/amd64/config/amd64.cfg | 13 | ||||
| -rw-r--r-- | bsps/x86_64/amd64/console/console.c | 135 | ||||
| -rw-r--r-- | bsps/x86_64/amd64/headers.am | 7 | ||||
| -rw-r--r-- | bsps/x86_64/amd64/include/bsp.h | 51 | ||||
| -rw-r--r-- | bsps/x86_64/amd64/include/start.h | 47 | ||||
| -rw-r--r-- | bsps/x86_64/amd64/include/tm27.h | 1 | ||||
| -rw-r--r-- | bsps/x86_64/amd64/start/bsp_specs | 9 | ||||
| -rw-r--r-- | bsps/x86_64/amd64/start/bspstart.c | 32 | ||||
| -rw-r--r-- | bsps/x86_64/amd64/start/linkcmds | 281 | ||||
| -rw-r--r-- | bsps/x86_64/amd64/start/start.c | 36 |
10 files changed, 612 insertions, 0 deletions
diff --git a/bsps/x86_64/amd64/config/amd64.cfg b/bsps/x86_64/amd64/config/amd64.cfg new file mode 100644 index 0000000000..3c4492d9d3 --- /dev/null +++ b/bsps/x86_64/amd64/config/amd64.cfg @@ -0,0 +1,13 @@ +include $(RTEMS_ROOT)/make/custom/default.cfg + +RTEMS_CPU = x86_64 + +CFLAGS_OPTIMIZE_V += -O2 -g +CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections + +# We can't have the red zone because interrupts will not respect that area. +CPU_CFLAGS = -mno-red-zone +# This flag tells GCC to not assume values will fit in 32-bit registers. This +# way we can avoid linker-time relocation errors spawning from values being +# larger than their optimized container sizes. +CPU_CFLAGS += -mcmodel=large diff --git a/bsps/x86_64/amd64/console/console.c b/bsps/x86_64/amd64/console/console.c new file mode 100644 index 0000000000..b272b679d7 --- /dev/null +++ b/bsps/x86_64/amd64/console/console.c @@ -0,0 +1,135 @@ +/* + * Copyright (c) 2018. + * Amaan Cheval <amaan.cheval@gmail.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <bsp.h> +#include <rtems/bspIo.h> +#include <rtems/libio.h> + +/* console_initialize + * + * This routine initializes the console IO driver. + * + * Input parameters: NONE + * + * Output parameters: NONE + * + * Return values: + */ + +rtems_device_driver console_initialize( + rtems_device_major_number major, + rtems_device_minor_number minor, + void *arg +) +{ + (void) major; + (void) minor; + (void) arg; + return RTEMS_SUCCESSFUL; +} + +/* + * Open entry point + */ + +rtems_device_driver console_open( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + (void) major; + (void) minor; + (void) arg; + return RTEMS_SUCCESSFUL; +} + +/* + * Close entry point + */ + +rtems_device_driver console_close( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + (void) major; + (void) minor; + (void) arg; + return RTEMS_SUCCESSFUL; +} + +/* + * read bytes from the serial port. We only have stdin. + */ + +rtems_device_driver console_read( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + (void) major; + (void) minor; + (void) arg; + return RTEMS_SUCCESSFUL; +} + +/* + * write bytes to the serial port. Stdout and stderr are the same. + */ + +rtems_device_driver console_write( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + (void) major; + (void) minor; + (void) arg; + return 0; +} + +/* + * IO Control entry point + */ + +rtems_device_driver console_control( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + (void) major; + (void) minor; + (void) arg; + return RTEMS_SUCCESSFUL; +} + +BSP_output_char_function_type BSP_output_char = NULL; +BSP_polling_getchar_function_type BSP_poll_char = NULL; diff --git a/bsps/x86_64/amd64/headers.am b/bsps/x86_64/amd64/headers.am new file mode 100644 index 0000000000..f9f42e7fd3 --- /dev/null +++ b/bsps/x86_64/amd64/headers.am @@ -0,0 +1,7 @@ +## This file was generated by "./boostrap -H". + +include_HEADERS = +include_HEADERS += ../../../../../../bsps/x86_64/amd64/include/bsp.h +include_HEADERS += include/bspopts.h +include_HEADERS += ../../../../../../bsps/x86_64/amd64/include/start.h +include_HEADERS += ../../../../../../bsps/x86_64/amd64/include/tm27.h diff --git a/bsps/x86_64/amd64/include/bsp.h b/bsps/x86_64/amd64/include/bsp.h new file mode 100644 index 0000000000..2fa6da42a0 --- /dev/null +++ b/bsps/x86_64/amd64/include/bsp.h @@ -0,0 +1,51 @@ +/* bsp.h + * + * This include file contains all board IO definitions. + */ + +/* + * Copyright (c) 2018. + * Amaan Cheval <amaan.cheval@gmail.com> + * + * Copyright (c) 1989-1999. + * On-Line Applications Research Corporation (OAR). + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef LIBBSP_X86_64_AMD64_BSP_H +#define LIBBSP_X86_64_AMD64_BSP_H + +#include <bspopts.h> +#include <bsp/default-initial-extension.h> + +#include <rtems.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/bsps/x86_64/amd64/include/start.h b/bsps/x86_64/amd64/include/start.h new file mode 100644 index 0000000000..eee249e3a6 --- /dev/null +++ b/bsps/x86_64/amd64/include/start.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2018. + * Amaan Cheval <amaan.cheval@gmail.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef LIBBSP_AMD64_START_H +#define LIBBSP_AMD64_START_H + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/** + * @brief Entry point for generated ELF. + * + * The linkcmds script sets this function as the entry point, to be jumped into + * the bootloader. It calls boot_card and kicks the whole RTEMS initialization + * process off. + */ +void _start(void); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* LIBBSP_AMD64_START_H */ diff --git a/bsps/x86_64/amd64/include/tm27.h b/bsps/x86_64/amd64/include/tm27.h new file mode 100644 index 0000000000..0dfa7bf628 --- /dev/null +++ b/bsps/x86_64/amd64/include/tm27.h @@ -0,0 +1 @@ +#include <rtems/tm27-default.h> diff --git a/bsps/x86_64/amd64/start/bsp_specs b/bsps/x86_64/amd64/start/bsp_specs new file mode 100644 index 0000000000..87638cc027 --- /dev/null +++ b/bsps/x86_64/amd64/start/bsp_specs @@ -0,0 +1,9 @@ +%rename endfile old_endfile +%rename startfile old_startfile + +*startfile: +%{!qrtems: %(old_startfile)} \ +%{!nostdlib: %{qrtems: crti.o%s crtbegin.o%s}} + +*endfile: +%{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s crtn.o%s} diff --git a/bsps/x86_64/amd64/start/bspstart.c b/bsps/x86_64/amd64/start/bspstart.c new file mode 100644 index 0000000000..784748ce3f --- /dev/null +++ b/bsps/x86_64/amd64/start/bspstart.c @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2018. + * Amaan Cheval <amaan.cheval@gmail.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <bsp.h> +#include <bsp/bootcard.h> + +void bsp_start(void) +{ +} diff --git a/bsps/x86_64/amd64/start/linkcmds b/bsps/x86_64/amd64/start/linkcmds new file mode 100644 index 0000000000..46b1ccbfe7 --- /dev/null +++ b/bsps/x86_64/amd64/start/linkcmds @@ -0,0 +1,281 @@ +/* Copyright (C) 2014-2018 Free Software Foundation, Inc. + Copying and distribution of this script, with or without modification, + are permitted in any medium without royalty provided the copyright + notice and this notice are preserved. */ + +/* + * Copy of default linker script generated with: + * x86_64-rtems5-ld --verbose + * + * Changes: + * - Added HeapSize, RamBase, RamSize, WorkBase + * - rtemssroset section + * - rtemsstack section + */ + +OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", + "elf64-x86-64") +OUTPUT_ARCH(i386:x86-64) +ENTRY(_start) + +HeapSize = DEFINED(HeapSize) ? HeapSize : + DEFINED(_HeapSize) ? _HeapSize : 0x0; +RamBase = DEFINED(RamBase) ? RamBase : + DEFINED(_RamBase) ? _RamBase : 0x0; + +/* XXX: Defaulting to 4GiB. + */ +RamSize = DEFINED(RamSize) ? RamSize : + DEFINED(_RamSize) ? _RamSize : 0xFFFFFFFF; + +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + PROVIDE (__executable_start = SEGMENT_START("text-segment", 0x400000)); . = SEGMENT_START("text-segment", 0x400000) + SIZEOF_HEADERS; + .interp : { *(.interp) } + .note.gnu.build-id : { *(.note.gnu.build-id) } + .hash : { *(.hash) } + .gnu.hash : { *(.gnu.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .gnu.version : { *(.gnu.version) } + .gnu.version_d : { *(.gnu.version_d) } + .gnu.version_r : { *(.gnu.version_r) } + .rela.dyn : + { + *(.rela.init) + *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) + *(.rela.fini) + *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) + *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) + *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) + *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) + *(.rela.ctors) + *(.rela.dtors) + *(.rela.got) + *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) + *(.rela.ldata .rela.ldata.* .rela.gnu.linkonce.l.*) + *(.rela.lbss .rela.lbss.* .rela.gnu.linkonce.lb.*) + *(.rela.lrodata .rela.lrodata.* .rela.gnu.linkonce.lr.*) + *(.rela.ifunc) + } + .rela.plt : + { + *(.rela.plt) + PROVIDE_HIDDEN (__rela_iplt_start = .); + *(.rela.iplt) + PROVIDE_HIDDEN (__rela_iplt_end = .); + } + .rtemsroset : { + /* for pre rtems-libbsd FreeBSD code */ + __start_set_sysctl_set = .; + *(set_sysctl_*); + __stop_set_sysctl_set = .; + *(set_domain_*); + *(set_pseudo_*); + + KEEP (*(SORT(.rtemsroset.*))) + } =0x90909090 + .init : + { + KEEP (*(SORT_NONE(.init))) + } + .plt : { *(.plt) *(.iplt) } +.plt.got : { *(.plt.got) } +.plt.sec : { *(.plt.sec) } + .text : + { + *(.text.unlikely .text.*_unlikely .text.unlikely.*) + *(.text.exit .text.exit.*) + *(.text.startup .text.startup.*) + *(.text.hot .text.hot.*) + *(.text .stub .text.* .gnu.linkonce.t.*) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + } + .fini : + { + KEEP (*(SORT_NONE(.fini))) + } + PROVIDE (__etext = .); + PROVIDE (_etext = .); + PROVIDE (etext = .); + .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } + .rodata1 : { *(.rodata1) } + .eh_frame_hdr : { *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*) } + .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) *(.eh_frame.*) } + .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table + .gcc_except_table.*) } + .gnu_extab : ONLY_IF_RO { *(.gnu_extab*) } + /* These sections are generated by the Sun/Oracle C++ compiler. */ + .exception_ranges : ONLY_IF_RO { *(.exception_ranges + .exception_ranges*) } + /* Adjust the address for the data segment. We want to adjust up to + the same address within the page on the next page up. */ + . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); + /* Exception handling */ + .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) *(.eh_frame.*) } + .gnu_extab : ONLY_IF_RW { *(.gnu_extab) } + .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } + .exception_ranges : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) } + /* Thread Local Storage sections */ + .tdata : { + _TLS_Data_begin = .; + *(.tdata .tdata.* .gnu.linkonce.td.*) + _TLS_Data_end = .; + } + .tbss : { + _TLS_BSS_begin = .; + *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) + _TLS_BSS_end = .; + } + _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin; + _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin; + _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin; + _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin; + _TLS_Size = _TLS_BSS_end - _TLS_Data_begin; + _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss)); + .preinit_array : + { + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP (*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + } + .init_array : + { + PROVIDE_HIDDEN (__init_array_start = .); + KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*))) + KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors)) + PROVIDE_HIDDEN (__init_array_end = .); + } + .fini_array : + { + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*))) + KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors)) + PROVIDE_HIDDEN (__fini_array_end = .); + } + .ctors : + { + /* gcc uses crtbegin.o to find the start of + the constructors, so we make sure it is + first. Because this is a wildcard, it + doesn't matter if the user does not + actually link against crtbegin.o; the + linker won't look for a file to match a + wildcard. The wildcard also means that it + doesn't matter which directory crtbegin.o + is in. */ + KEEP (*crtbegin.o(.ctors)) + KEEP (*crtbegin?.o(.ctors)) + /* We don't want to include the .ctor section from + the crtend.o file until after the sorted ctors. + The .ctor section from the crtend file contains the + end of ctors marker and it must be last */ + KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + } + .dtors : + { + KEEP (*crtbegin.o(.dtors)) + KEEP (*crtbegin?.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + } + .jcr : { KEEP (*(.jcr)) } + .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) } + .dynamic : { *(.dynamic) } + .got : { *(.got) *(.igot) } + . = DATA_SEGMENT_RELRO_END (SIZEOF (.got.plt) >= 24 ? 24 : 0, .); + .got.plt : { *(.got.plt) *(.igot.plt) } + .data : + { + *(.data .data.* .gnu.linkonce.d.*) + SORT(CONSTRUCTORS) + } + .data1 : { *(.data1) } + _edata = .; PROVIDE (edata = .); + . = .; + __bss_start = .; + .bss : + { + *(.dynbss) + *(.bss .bss.* .gnu.linkonce.b.*) + *(COMMON) + /* Align here to ensure that the .bss section occupies space up to + _end. Align after .bss to ensure correct alignment even if the + .bss section disappears because there are no input sections. + FIXME: Why do we need it? When there is no .bss section, we don't + pad the .data section. */ + . = ALIGN(. != 0 ? 64 / 8 : 1); + } + .lbss : + { + *(.dynlbss) + *(.lbss .lbss.* .gnu.linkonce.lb.*) + *(LARGE_COMMON) + } + . = ALIGN(64 / 8); + . = SEGMENT_START("ldata-segment", .); + .lrodata ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) : + { + *(.lrodata .lrodata.* .gnu.linkonce.lr.*) + } + .ldata ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) : + { + *(.ldata .ldata.* .gnu.linkonce.l.*) + . = ALIGN(. != 0 ? 64 / 8 : 1); + } + . = ALIGN(64 / 8); + _end = .; PROVIDE (end = .); + .rtemsstack (NOLOAD) : + { + *(SORT(.rtemsstack.*)) + } + WorkAreaBase = .; + . = DATA_SEGMENT_END (.); + /* Stabs debugging sections. */ + + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + /* DWARF debug sections. + Symbols in the DWARF debugging sections are relative to the beginning + of the section so we begin them at 0. */ + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line .debug_line.* .debug_line_end ) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } + /* DWARF 3 */ + .debug_pubtypes 0 : { *(.debug_pubtypes) } + .debug_ranges 0 : { *(.debug_ranges) } + /* DWARF Extension. */ + .debug_macro 0 : { *(.debug_macro) } + .debug_addr 0 : { *(.debug_addr) } + .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } + /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) } +} diff --git a/bsps/x86_64/amd64/start/start.c b/bsps/x86_64/amd64/start/start.c new file mode 100644 index 0000000000..2dfeb7ebb8 --- /dev/null +++ b/bsps/x86_64/amd64/start/start.c @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2018. + * Amaan Cheval <amaan.cheval@gmail.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <bsp.h> +#include <start.h> +#include <bsp/bootcard.h> + +// XXX: _start can pass boot arguments to boot_card +// https://lists.rtems.org/pipermail/devel/2018-June/022123.html +void _start(void) +{ + boot_card(""); +} |