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