cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

import_core.sh (2200B)

      1#! /bin/bash -e
      2
      3OVERLAY="$1"
      4NAME="$2"
      5FREQ=40000
      6BASE=$(dirname "$0")
      7TARGET="$BASE"/core-$NAME
      8
      9[ $# -ge 2 -a -f "$OVERLAY" ] || { cat <<EOF
     10Usage: $0 overlay-archive-to-import core-name [frequency-in-KHz]
     11    overlay-archive-to-import:  file name of xtensa-config-overlay.tar.gz
     12                                to import configuration from.
     13    core-name:                  QEMU name of the imported core. Must be valid
     14                                C identifier.
     15    frequency-in-KHz:           core frequency (40MHz if not specified).
     16EOF
     17exit
     18}
     19
     20[ $# -ge 3 ] && FREQ="$3"
     21mkdir -p "$TARGET"
     22tar -xf "$OVERLAY" -C "$TARGET" --strip-components=2 \
     23    xtensa/config/core-isa.h \
     24    xtensa/config/core-matmap.h
     25tar -xf "$OVERLAY" -O gdb/xtensa-config.c | \
     26    sed -n '1,/*\//p;/XTREG/,/XTREG_END/p' > "$TARGET"/gdb-config.c.inc
     27#
     28# Fix up known issues in the xtensa-modules.c
     29#
     30tar -xf "$OVERLAY" -O binutils/xtensa-modules.c | \
     31    sed -e 's/^\(xtensa_opcode_encode_fn.*\[\] =\)/static \1/' \
     32        -e '/^int num_bypass_groups()/,/}/d' \
     33        -e '/^int num_bypass_group_chunks()/,/}/d' \
     34        -e '/^uint32 \*bypass_entry(int i)/,/}/d' \
     35        -e '/^#include "ansidecl.h"/d' \
     36        -e '/^Slot_[a-zA-Z0-9_]\+_decode (const xtensa_insnbuf insn)/,/^}/s/^  return 0;$/  return XTENSA_UNDEFINED;/' \
     37        -e 's/#include <xtensa-isa.h>/#include "xtensa-isa.h"/' \
     38        -e 's/^\(xtensa_isa_internal xtensa_modules\)/static \1/' \
     39    > "$TARGET"/xtensa-modules.c.inc
     40
     41cat <<EOF > "${TARGET}.c"
     42#include "qemu/osdep.h"
     43#include "cpu.h"
     44#include "exec/gdbstub.h"
     45#include "qemu-common.h"
     46#include "qemu/host-utils.h"
     47
     48#include "core-$NAME/core-isa.h"
     49#include "core-$NAME/core-matmap.h"
     50#include "overlay_tool.h"
     51
     52#define xtensa_modules xtensa_modules_$NAME
     53#include "core-$NAME/xtensa-modules.c.inc"
     54
     55static XtensaConfig $NAME __attribute__((unused)) = {
     56    .name = "$NAME",
     57    .gdb_regmap = {
     58        .reg = {
     59#include "core-$NAME/gdb-config.c.inc"
     60        }
     61    },
     62    .isa_internal = &xtensa_modules,
     63    .clock_freq_khz = $FREQ,
     64    DEFAULT_SECTIONS
     65};
     66
     67REGISTER_CORE($NAME)
     68EOF
     69
     70grep -qxf core-${NAME}.c "$BASE"/cores.list || \
     71    echo core-${NAME}.c >> "$BASE"/cores.list