mirror of https://github.com/wolfSSL/wolfBoot.git
57 lines
1.9 KiB
Bash
Executable File
57 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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# Run the aarch64_efi wolfboot.efi in QEMU aarch64 UEFI for fast iteration/debug.
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# No hardware / USB stick needed: a scratch dir is exposed to UEFI as a FAT ESP.
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#
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# ./tools/scripts/aarch64-efi-qemu.sh # run, auto-launch wolfboot.efi
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# ./tools/scripts/aarch64-efi-qemu.sh --gdb # freeze at reset for gdb (-s -S)
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# ./tools/scripts/aarch64-efi-qemu.sh --fresh-vars # reset the UEFI NVRAM store
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#
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# In another shell for --gdb:
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# gdb-multiarch wolfboot.elf -ex 'target remote :1234'
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set -e
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ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
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ESP="$ROOT/tools/qemu-esp"
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CODE=/usr/share/AAVMF/AAVMF_CODE.fd
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VARS_SRC=/usr/share/AAVMF/AAVMF_VARS.fd
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for f in "$CODE" "$VARS_SRC"; do
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[ -r "$f" ] || { echo "Missing $f -- install qemu-efi-aarch64"; exit 1; }
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done
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command -v qemu-system-aarch64 >/dev/null || { echo "Install qemu-system-arm"; exit 1; }
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mkdir -p "$ESP"
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cp "$ROOT/wolfboot.efi" "$ESP"/
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cp "$ROOT/aarch64_efi-stage/kernel.img" "$ESP"/ 2>/dev/null || true
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# auto-run wolfboot.efi from the UEFI shell
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printf 'fs0:\r\nwolfboot.efi\r\n' > "$ESP/startup.nsh"
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# Parse flags (order-independent).
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GDB_ARGS=""
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FRESH_VARS=0
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for arg in "$@"; do
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case "$arg" in
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--gdb) GDB_ARGS="-s -S" ;;
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--fresh-vars) FRESH_VARS=1 ;;
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esac
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done
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# Preserve the UEFI variable store (including any Secure Boot key enrollment)
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# across runs; recreate it only when missing or when --fresh-vars is given.
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VARS="$ROOT/tools/qemu-esp/AAVMF_VARS.fd"
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if [ ! -f "$VARS" ] || [ "$FRESH_VARS" = "1" ]; then
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cp "$VARS_SRC" "$VARS"
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fi
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if [ -n "$GDB_ARGS" ]; then
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echo "GDB mode: qemu frozen. In another shell:"
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echo " gdb-multiarch $ROOT/wolfboot.elf -ex 'target remote :1234'"
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fi
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exec qemu-system-aarch64 \
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-machine virt -cpu cortex-a72 -m 1024 -smp 1 \
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-drive if=pflash,format=raw,file="$CODE",readonly=on \
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-drive if=pflash,format=raw,file="$VARS" \
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-drive format=raw,file=fat:rw:"$ESP" \
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-net none -nographic $GDB_ARGS
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