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.inc.c 26# 27# Fix up known issues in the xtensa-modules.c 28# 29tar -xf "$OVERLAY" -O binutils/xtensa-modules.c | \ 30 sed -e 's/^\(xtensa_opcode_encode_fn.*\[\] =\)/static \1/' \ 31 -e '/^int num_bypass_groups()/,/}/d' \ 32 -e '/^int num_bypass_group_chunks()/,/}/d' \ 33 -e '/^uint32 \*bypass_entry(int i)/,/}/d' \ 34 -e '/^#include "ansidecl.h"/d' \ 35 -e '/^Slot_[a-zA-Z0-9_]\+_decode (const xtensa_insnbuf insn)/,/^}/s/^ return 0;$/ return XTENSA_UNDEFINED;/' \ 36 -e 's/#include <xtensa-isa.h>/#include "xtensa-isa.h"/' \ 37 > "$TARGET"/xtensa-modules.inc.c 38 39cat <<EOF > "${TARGET}.c" 40#include "qemu/osdep.h" 41#include "cpu.h" 42#include "exec/gdbstub.h" 43#include "qemu-common.h" 44#include "qemu/host-utils.h" 45 46#include "core-$NAME/core-isa.h" 47#include "overlay_tool.h" 48 49#define xtensa_modules xtensa_modules_$NAME 50#include "core-$NAME/xtensa-modules.inc.c" 51 52static XtensaConfig $NAME __attribute__((unused)) = { 53 .name = "$NAME", 54 .gdb_regmap = { 55 .reg = { 56#include "core-$NAME/gdb-config.inc.c" 57 } 58 }, 59 .isa_internal = &xtensa_modules, 60 .clock_freq_khz = $FREQ, 61 DEFAULT_SECTIONS 62}; 63 64REGISTER_CORE($NAME) 65EOF 66 67grep -q core-${NAME}.o "$BASE"/Makefile.objs || \ 68 echo "obj-y += core-${NAME}.o" >> "$BASE"/Makefile.objs 69