projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 90803342 LE |
1 | #!/bin/sh |
| 2 | ### | |
| 3 | # @file | |
| 4 | # Shell script to assemble and dump the fake Int10h handler from NASM source to | |
| 5 | # a C array. | |
| 6 | # | |
| 7 | # Copyright (C) 2014, Red Hat, Inc. | |
| 8 | # Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR> | |
| 9 | # | |
| 10 | # This program and the accompanying materials are licensed and made available | |
| 11 | # under the terms and conditions of the BSD License which accompanies this | |
| 12 | # distribution. The full text of the license may be found at | |
| 13 | # http://opensource.org/licenses/bsd-license.php | |
| 14 | # | |
| 15 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT | |
| 16 | # WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
| 17 | # | |
| 18 | ### | |
| 19 | ||
| 20 | set -e -u | |
| 21 | ||
| 22 | STEM=$(dirname -- "$0")/$(basename -- "$0" .sh) | |
| 23 | ||
| 24 | # | |
| 25 | # Install exit handler -- remove temporary files. | |
| 26 | # | |
| 27 | exit_handler() | |
| 28 | { | |
| 29 | rm -f -- "$STEM".bin "$STEM".disasm "$STEM".offsets "$STEM".insns \ | |
| 30 | "$STEM".bytes | |
| 31 | } | |
| 32 | trap exit_handler EXIT | |
| 33 | ||
| 34 | # | |
| 35 | # Assemble the source file. | |
| 36 | # | |
| 37 | nasm -o "$STEM".bin -- "$STEM".asm | |
| 38 | ||
| 39 | # | |
| 40 | # Disassemble it, in order to get a binary dump associated with the source. | |
| 41 | # (ndisasm doesn't recognize the "--" end-of-options delimiter.) | |
| 42 | # | |
| 43 | ndisasm "$STEM".bin >"$STEM".disasm | |
| 44 | ||
| 45 | # | |
| 46 | # Create three files, each with one column of the disassembly. | |
| 47 | # | |
| 48 | # The first column contains the offsets, and it starts the comment. | |
| 49 | # | |
| 50 | cut -c 1-8 -- "$STEM".disasm \ | |
| 51 | | sed -e 's,^, /* ,' >"$STEM".offsets | |
| 52 | ||
| 53 | # | |
| 54 | # The second column contains the assembly-language instructions, and it closes | |
| 55 | # the comment. We first pad it to 30 characters. | |
| 56 | # | |
| 57 | cut -c 29- -- "$STEM".disasm \ | |
| 58 | | sed -e 's,$, ,' \ | |
| 59 | -e 's,^\(.\{30\}\).*$,\1 */,' >"$STEM".insns | |
| 60 | ||
| 61 | # | |
| 62 | # The third column contains the bytes corresponding to the instruction, | |
| 63 | # represented as C integer constants. First strip trailing whitespace from the | |
| 64 | # middle column of the input disassembly, then process pairs of nibbles. | |
| 65 | # | |
| 66 | cut -c 11-28 -- "$STEM".disasm \ | |
| 67 | | sed -e 's, \+$,,' -e 's/\(..\)/ 0x\1,/g' >"$STEM".bytes | |
| 68 | ||
| 69 | # | |
| 70 | # Write the output file, recombining the columns. The output should have CRLF | |
| 71 | # line endings. | |
| 72 | # | |
| 73 | { | |
| 74 | printf '//\n' | |
| 75 | printf '// THIS FILE WAS GENERATED BY "%s". DO NOT EDIT.\n' \ | |
| 76 | "$(basename -- "$0")" | |
| 77 | printf '//\n' | |
| 78 | printf '#ifndef _VBE_SHIM_H_\n' | |
| 79 | printf '#define _VBE_SHIM_H_\n' | |
| 80 | printf 'STATIC CONST UINT8 mVbeShim[] = {\n' | |
| 81 | paste -d ' ' -- "$STEM".offsets "$STEM".insns "$STEM".bytes | |
| 82 | printf '};\n' | |
| 83 | printf '#endif\n' | |
| 84 | } \ | |
| 85 | | unix2dos >"$STEM".h |