xref: /openbmc/qemu/target/xtensa/import_core.sh (revision 7f709ce7) 
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 > "${TARGET}.c"
28#include "qemu/osdep.h"
29#include "cpu.h"
30#include "exec/exec-all.h"
31#include "exec/gdbstub.h"
32#include "qemu-common.h"
33#include "qemu/host-utils.h"
34
35#include "core-$NAME/core-isa.h"
36#include "overlay_tool.h"
37
38static XtensaConfig $NAME __attribute__((unused)) = {
39    .name = "$NAME",
40    .gdb_regmap = {
41        .reg = {
42#include "core-$NAME/gdb-config.c"
43        }
44    },
45    .clock_freq_khz = $FREQ,
46    DEFAULT_SECTIONS
47};
48
49REGISTER_CORE($NAME)
50EOF
51
52grep -q core-${NAME}.o "$BASE"/Makefile.objs || \
53    echo "obj-y += core-${NAME}.o" >> "$BASE"/Makefile.objs
54