59 lines
1.6 KiB
Bash
Executable File
59 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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# Step: Flash coreboot to the T440p
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step_flash_bios() {
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section "Flash Coreboot"
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cd "$COREBOOT_DIR/build" || return 1
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if [ ! -f "coreboot.rom" ]; then
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error "coreboot.rom not found. Run the build step first."
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return 1
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fi
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# Split the ROM
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info "Splitting ROM for 8MB (bottom) and 4MB (top) chips..."
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run_cmd "dd if=coreboot.rom of=bottom.rom bs=1M count=8" || return 1
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run_cmd "dd if=coreboot.rom of=top.rom bs=1M skip=8" || return 1
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_bottom_size=$(wc -c < bottom.rom)
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_top_size=$(wc -c < top.rom)
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info "bottom.rom: $_bottom_size bytes"
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info "top.rom: $_top_size bytes"
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echo ""
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warn "You are about to flash coreboot onto your T440p."
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warn "Make sure your laptop is powered off and the battery is removed."
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warn "DO NOT interrupt the flashing process!"
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echo ""
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if ! prompt_yes_no "Ready to flash?"; then
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info "Flash cancelled."
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return 0
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fi
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# Flash 4MB (top) chip
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echo ""
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info "Attach the programmer to the 4MB (top) chip."
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prompt_continue
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info "Flashing 4MB chip..."
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run_cmd "sudo flashrom --programmer ch341a_spi -w top.rom" || return 1
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success "4MB chip flashed."
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# Flash 8MB (bottom) chip
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echo ""
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info "Now attach the programmer to the 8MB (bottom) chip."
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prompt_continue
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info "Flashing 8MB chip..."
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run_cmd "sudo flashrom --programmer ch341a_spi -w bottom.rom" || return 1
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success "8MB chip flashed."
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echo ""
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success "Coreboot has been flashed successfully!"
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echo ""
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info "Reassemble your laptop and power it on."
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info "If everything went well, you should see coreboot boot!"
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}
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