| 1 | #! /bin/bash -e |
| 2 | |
| 3 | OVERLAY="$1" |
| 4 | NAME="$2" |
| 5 | FREQ=40000 |
| 6 | BASE=$(dirname "$0") |
| 7 | TARGET="$BASE"/core-$NAME |
| 8 | |
| 9 | [ $# -ge 2 -a -f "$OVERLAY" ] || { cat <<EOF |
| 10 | Usage: $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). |
| 16 | EOF |
| 17 | exit |
| 18 | } |
| 19 | |
| 20 | [ $# -ge 3 ] && FREQ="$3" |
| 21 | mkdir -p "$TARGET" |
| 22 | tar -xf "$OVERLAY" -C "$TARGET" --strip-components=2 \ |
| 23 | xtensa/config/core-isa.h \ |
| 24 | xtensa/config/core-matmap.h |
| 25 | tar -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 | # |
| 30 | tar -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 | > "$TARGET"/xtensa-modules.c.inc |
| 40 | |
| 41 | cat <<EOF > "${TARGET}.c" |
| 42 | #include "qemu/osdep.h" |
| 43 | #include "cpu.h" |
| 44 | #include "gdbstub/helpers.h" |
| 45 | #include "qemu/host-utils.h" |
| 46 | |
| 47 | #include "core-$NAME/core-isa.h" |
| 48 | #include "core-$NAME/core-matmap.h" |
| 49 | #include "overlay_tool.h" |
| 50 | |
| 51 | #define xtensa_modules xtensa_modules_$NAME |
| 52 | #include "core-$NAME/xtensa-modules.c.inc" |
| 53 | |
| 54 | static XtensaConfig $NAME __attribute__((unused)) = { |
| 55 | .name = "$NAME", |
| 56 | .gdb_regmap = { |
| 57 | .reg = { |
| 58 | #include "core-$NAME/gdb-config.c.inc" |
| 59 | } |
| 60 | }, |
| 61 | .isa_internal = &xtensa_modules, |
| 62 | .clock_freq_khz = $FREQ, |
| 63 | DEFAULT_SECTIONS |
| 64 | }; |
| 65 | |
| 66 | REGISTER_CORE($NAME) |
| 67 | EOF |
| 68 | |
| 69 | grep -qxf core-${NAME}.c "$BASE"/cores.list || \ |
| 70 | echo core-${NAME}.c >> "$BASE"/cores.list |