LXR qemu/target-xtensa/import

   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=1 \
  23    --xform='s/core/core-isa/' config/core.h
  24tar -xf "$OVERLAY" -O gdb/xtensa-config.c | \
  25    sed -n '1,/*\//p;/XTREG/,/XTREG_END/p' > "$TARGET"/gdb-config.c
  26
  27cat <<EOF > "${TARGET}.c"
  28#include "cpu.h"
  29#include "exec/exec-all.h"
  30#include "exec/gdbstub.h"
  31#include "qemu/host-utils.h"
  32
  33#include "core-$NAME/core-isa.h"
  34#include "overlay_tool.h"
  35
  36static XtensaConfig $NAME __attribute__((unused)) = {
  37    .name = "$NAME",
  38    .gdb_regmap = {
  39        .reg = {
  40#include "core-$NAME/gdb-config.c"
  41        }
  42    },
  43    .clock_freq_khz = $FREQ,
  44    DEFAULT_SECTIONS
  45};
  46
  47REGISTER_CORE($NAME)
  48EOF
  49
  50grep -q core-${NAME}.o "$BASE"/Makefile.objs || \
  51    echo "obj-y += core-${NAME}.o" >> "$BASE"/Makefile.objs
  52