54 lines
1.4 KiB
Bash
54 lines
1.4 KiB
Bash
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#! /bin/bash -e
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OVERLAY="$1"
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NAME="$2"
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FREQ=40000
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BASE=$(dirname "$0")
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TARGET="$BASE"/core-$NAME
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[ $# -ge 2 -a -f "$OVERLAY" ] || { cat <<EOF
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Usage: $0 overlay-archive-to-import core-name [frequency-in-KHz]
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overlay-archive-to-import: file name of xtensa-config-overlay.tar.gz
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to import configuration from.
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core-name: QEMU name of the imported core. Must be valid
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C identifier.
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frequency-in-KHz: core frequency (40MHz if not specified).
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EOF
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exit
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}
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[ $# -ge 3 ] && FREQ="$3"
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mkdir -p "$TARGET"
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tar -xf "$OVERLAY" -C "$TARGET" --strip-components=1 \
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--xform='s/core/core-isa/' config/core.h
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tar -xf "$OVERLAY" -O gdb/xtensa-config.c | \
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sed -n '1,/*\//p;/pc/,/a15/p' > "$TARGET"/gdb-config.c
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NUM_REGS=$(grep XTREG "$TARGET"/gdb-config.c | wc -l)
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cat <<EOF > "${TARGET}.c"
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#include "cpu.h"
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#include "exec/exec-all.h"
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#include "exec/gdbstub.h"
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#include "qemu/host-utils.h"
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#include "core-$NAME/core-isa.h"
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#include "overlay_tool.h"
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static const XtensaConfig $NAME __attribute__((unused)) = {
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.name = "$NAME",
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.gdb_regmap = {
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.num_regs = $NUM_REGS,
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.reg = {
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#include "core-$NAME/gdb-config.c"
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}
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},
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.clock_freq_khz = $FREQ,
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DEFAULT_SECTIONS
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};
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REGISTER_CORE($NAME)
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EOF
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grep -q core-${NAME}.o "$BASE"/Makefile.objs || \
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echo "obj-y += core-${NAME}.o" >> "$BASE"/Makefile.objs
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