diff options
| author | Ronald G. Minnich <rminnich@gmail.com> | 2016-02-12 22:37:48 +0000 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2016-02-20 04:55:13 +0100 |
| commit | 9831244cb8b3e72aa03851cfa73819e2964de330 (patch) | |
| tree | 77a7565d955bb4da0115eff04ed6b8d7fc68cc37 /src/arch/power8/bootblock.S | |
| parent | 41462bd0c34838b3047ff21a15dc78a99b76e53c (diff) | |
emulation/qemu-power8: initial mainboard and arch commit
This builds and produces an image.
The next step is to get a 'halt' instruction into the boot block and then attach with qemu.
I can't get the powerpc64le-linux-gnu-ld.bfd to recognize any output arch but
powerpc. That makes no sense to me.
Change-Id: Ia2a5fe07a1457e7b6974ab1473539c7447d7a449
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: https://review.coreboot.org/13704
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/arch/power8/bootblock.S')
| -rw-r--r-- | src/arch/power8/bootblock.S | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/arch/power8/bootblock.S b/src/arch/power8/bootblock.S new file mode 100644 index 0000000000..3b864aa21a --- /dev/null +++ b/src/arch/power8/bootblock.S @@ -0,0 +1,44 @@ +/* + * Early initialization code for power8. + * + * Copyright 2013 Google Inc. + * + * 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. + */ + +.section ".text._start", "ax", %progbits +.globl _start +_start: + b _start + .section ".id", "a", %progbits + + .section ".id", "a", @progbits + + .globl __id_start +__id_start: +ver: + .asciz "4" //COREBOOT_VERSION +vendor: + .asciz "qemu" //CONFIG_MAINBOARD_VENDOR +part: + .asciz "1" //CONFIG_MAINBOARD_PART_NUMBER + /* Reverse offset to the vendor id */ +.long __id_end + CONFIG_ID_SECTION_OFFSET - ver + /* Reverse offset to the vendor id */ +.long __id_end + CONFIG_ID_SECTION_OFFSET - vendor + /* Reverse offset to the part number */ +.long __id_end + CONFIG_ID_SECTION_OFFSET - part + /* of this romimage */ +.long CONFIG_ROM_SIZE + .globl __id_end + +__id_end: +.previous |