xref: /openbmc/qemu/target/xtensa/import_core.sh (revision 4a09d0bb) 
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