diff options
Diffstat (limited to 'tests/migration')
-rwxr-xr-x | tests/migration/rebuild-x86-bootblock.sh | 33 | ||||
-rw-r--r-- | tests/migration/x86-a-b-bootblock.h | 51 | ||||
-rw-r--r-- | tests/migration/x86-a-b-bootblock.s | 92 |
3 files changed, 176 insertions, 0 deletions
diff --git a/tests/migration/rebuild-x86-bootblock.sh b/tests/migration/rebuild-x86-bootblock.sh new file mode 100755 index 0000000000..86cec5d284 --- /dev/null +++ b/tests/migration/rebuild-x86-bootblock.sh @@ -0,0 +1,33 @@ +#!/bin/sh +# Copyright (c) 2016-2018 Red Hat, Inc. and/or its affiliates +# This work is licensed under the terms of the GNU GPL, version 2 or later. +# See the COPYING file in the top-level directory. +# +# Author: dgilbert@redhat.com + +ASMFILE=$PWD/tests/migration/x86-a-b-bootblock.s +HEADER=$PWD/tests/migration/x86-a-b-bootblock.h + +if [ ! -e "$ASMFILE" ] +then + echo "Couldn't find $ASMFILE" >&2 + exit 1 +fi + +ASM_WORK_DIR=$(mktemp -d --tmpdir X86BB.XXXXXX) +cd "$ASM_WORK_DIR" && +as --32 -march=i486 "$ASMFILE" -o x86.o && +objcopy -O binary x86.o x86.boot && +dd if=x86.boot of=x86.bootsect bs=256 count=2 skip=124 && +xxd -i x86.bootsect | +sed -e 's/.*int.*//' > x86.hex && +cat - x86.hex <<HERE > "$HEADER" +/* This file is automatically generated from + * tests/migration/x86-a-b-bootblock.s, edit that and then run + * tests/migration/rebuild-x86-bootblock.sh to update, + * and then remember to send both in your patch submission. + */ +HERE + +rm x86.hex x86.bootsect x86.boot x86.o +cd .. && rmdir "$ASM_WORK_DIR" diff --git a/tests/migration/x86-a-b-bootblock.h b/tests/migration/x86-a-b-bootblock.h new file mode 100644 index 0000000000..78a151fe2a --- /dev/null +++ b/tests/migration/x86-a-b-bootblock.h @@ -0,0 +1,51 @@ +/* This file is automatically generated from + * tests/migration/x86-a-b-bootblock.s, edit that and then run + * tests/migration/rebuild-x86-bootblock.sh to update, + * and then remember to send both in your patch submission. + */ +unsigned char x86_bootsect[] = { + 0xfa, 0x0f, 0x01, 0x16, 0x74, 0x7c, 0x66, 0xb8, 0x01, 0x00, 0x00, 0x00, + 0x0f, 0x22, 0xc0, 0x66, 0xea, 0x20, 0x7c, 0x00, 0x00, 0x08, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe4, 0x92, 0x0c, 0x02, + 0xe6, 0x92, 0xb8, 0x10, 0x00, 0x00, 0x00, 0x8e, 0xd8, 0x66, 0xb8, 0x41, + 0x00, 0x66, 0xba, 0xf8, 0x03, 0xee, 0xb3, 0x00, 0xb8, 0x00, 0x00, 0x10, + 0x00, 0xfe, 0x00, 0x05, 0x00, 0x10, 0x00, 0x00, 0x3d, 0x00, 0x00, 0x40, + 0x06, 0x7c, 0xf2, 0xfe, 0xc3, 0x75, 0xe9, 0x66, 0xb8, 0x42, 0x00, 0x66, + 0xba, 0xf8, 0x03, 0xee, 0xeb, 0xde, 0x66, 0x90, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x9a, 0xcf, 0x00, + 0xff, 0xff, 0x00, 0x00, 0x00, 0x92, 0xcf, 0x00, 0x27, 0x00, 0x5c, 0x7c, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0xaa +}; + diff --git a/tests/migration/x86-a-b-bootblock.s b/tests/migration/x86-a-b-bootblock.s new file mode 100644 index 0000000000..b1642641a7 --- /dev/null +++ b/tests/migration/x86-a-b-bootblock.s @@ -0,0 +1,92 @@ +# x86 bootblock used in migration test +# repeatedly increments the first byte of each page in a 100MB +# range. +# Outputs an initial 'A' on serial followed by repeated 'B's +# +# run tests/migration/rebuild-x86-bootblock.sh +# to regenerate the hex, and remember to include both the .h and .s +# in any patches. +# +# Copyright (c) 2016 Red Hat, Inc. and/or its affiliates +# This work is licensed under the terms of the GNU GPL, version 2 or later. +# See the COPYING file in the top-level directory. +# +# Author: dgilbert@redhat.com + + +.code16 +.org 0x7c00 + .file "fill.s" + .text + .globl start + .type start, @function +start: # at 0x7c00 ? + cli + lgdt gdtdesc + mov $1,%eax + mov %eax,%cr0 # Protected mode enable + data32 ljmp $8,$0x7c20 + +.org 0x7c20 +.code32 + # A20 enable - not sure I actually need this + inb $0x92,%al + or $2,%al + outb %al, $0x92 + + # set up DS for the whole of RAM (needed on KVM) + mov $16,%eax + mov %eax,%ds + + mov $65,%ax + mov $0x3f8,%dx + outb %al,%dx + + # bl keeps a counter so we limit the output speed + mov $0, %bl +mainloop: + # Start from 1MB + mov $(1024*1024),%eax +innerloop: + incb (%eax) + add $4096,%eax + cmp $(100*1024*1024),%eax + jl innerloop + + inc %bl + jnz mainloop + + mov $66,%ax + mov $0x3f8,%dx + outb %al,%dx + + jmp mainloop + + # GDT magic from old (GPLv2) Grub startup.S + .p2align 2 /* force 4-byte alignment */ +gdt: + .word 0, 0 + .byte 0, 0, 0, 0 + + /* -- code segment -- + * base = 0x00000000, limit = 0xFFFFF (4 KiB Granularity), present + * type = 32bit code execute/read, DPL = 0 + */ + .word 0xFFFF, 0 + .byte 0, 0x9A, 0xCF, 0 + + /* -- data segment -- + * base = 0x00000000, limit 0xFFFFF (4 KiB Granularity), present + * type = 32 bit data read/write, DPL = 0 + */ + .word 0xFFFF, 0 + .byte 0, 0x92, 0xCF, 0 + +gdtdesc: + .word 0x27 /* limit */ + .long gdt /* addr */ + +/* I'm a bootable disk */ +.org 0x7dfe + .byte 0x55 + .byte 0xAA |