diff options
author | Paul Burton <paul.burton@imgtec.com> | 2014-06-14 00:00:10 +0100 |
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committer | Patrick Georgi <pgeorgi@google.com> | 2015-03-21 16:56:59 +0100 |
commit | e8530033b8b5a353c884fd3c90457f703ff0bc38 (patch) | |
tree | 401cdb669ee76cae632dfdee644c21ccb8a618f5 /src/arch/mips/romstage.ld | |
parent | cb8f36043c9f0aec980c340108fc92011aacc9ca (diff) | |
download | coreboot-e8530033b8b5a353c884fd3c90457f703ff0bc38.tar.xz |
arch/mips: Add base MIPS architecture support
Add the build infrastructure and basic architectural support required
to build for targets using the MIPS architecture. This is sufficient
to run on a simulator, but will require the addition of some cache
maintenance and timer setup in order to run on real hardware.
BUG=chrome-os-partner:31438, chromium:409082
TEST=none yet
Change-Id: I027902d8408e419b626d0aab7768bc564bd49047
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: fcc0d934d7223922c878b1f87021cb5c2d7e6f21
Original-Change-Id: If4f99554463bd3760fc142477440326fd16c67cc
Original-Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/207972
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8760
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/arch/mips/romstage.ld')
-rw-r--r-- | src/arch/mips/romstage.ld | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/arch/mips/romstage.ld b/src/arch/mips/romstage.ld new file mode 100644 index 0000000000..8964285230 --- /dev/null +++ b/src/arch/mips/romstage.ld @@ -0,0 +1,72 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Imagination Technologies + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +OUTPUT_ARCH(mips) + +ENTRY(stage_entry) + +PHDRS +{ + to_load PT_LOAD; +} + +preram_cbmem_console = CONFIG_CBMEM_CONSOLE_PRERAM_BASE; + +SECTIONS +{ + . = CONFIG_ROMSTAGE_BASE; + + .romtext . : { + _rom = .; + _start = .; + *(.text.stage_entry.mips); + *(.text.startup); + *(.text); + } : to_load + + .romdata . : { + *(.rodata); + *(.data); + . = ALIGN(16); + _erom = .; + } + + /* bss will be cleared by cbfs_load_stage */ + .bss . : { + . = ALIGN(8); + _bss = .; + *(.bss) + *(.sbss) + *(COMMON) + } + + _ebss = .; + _end = .; + + /* Discard the sections we don't need/want */ + /DISCARD/ : { + *(.comment) + *(.note) + *(.comment.*) + *(.note.*) + *(.eh_frame); + } +} |