changes
This commit is contained in:
Miguel Fuertes committed
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commit
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-30
@@ -1,7 +1,6 @@
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#!/bin/sh -e
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# mk_gpt_both0.sh
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# - Usa TOT_SECTORS=7569408 (sectores lógicos de 512B) para fijar last-lba y el header GPT de respaldo.
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# - Para obtener TOT_SECTORS automáticamente desde EDL:
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# Creates GPT table with fixed TOT_SECTORS=7569408 (512B logical sectors)
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# To get TOT_SECTORS automatically from EDL:
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# HEX=$(edl printgpt 2>&1 | sed -n 's/.*sectors:\(0x[0-9A-Fa-f]\+\).*/\1/p' | tail -n1)
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# TOT_SECTORS=$((HEX))
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@@ -9,29 +8,29 @@ OUTFILE=${1:-gpt_both0.bin}
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TMPDIR=$(mktemp -d)
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IMG="${TMPDIR}/gpt.img"
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# Tamaño total en sectores de 512B (aportado)
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# Total size in 512B sectors
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TOT_SECTORS=7569408
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# GPT: first-lba y last-lba
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# GPT boundaries
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FIRST_LBA=34
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LAST_LBA=$((TOT_SECTORS - 34))
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# rootfs 128 MiB -> 128*1024*1024/512 = 262144 sectores
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# rootfs: 128 MiB = 262144 sectors
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ROOTFS_START=348194
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ROOTFS_SIZE=262144
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ROOTFS_END=$((ROOTFS_START + ROOTFS_SIZE - 1))
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# rootfs_data ocupa el resto hasta last-lba
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# rootfs_data: remaining space
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ROOTFSDATA_START=$((ROOTFS_END + 1))
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ROOTFSDATA_SIZE=$((LAST_LBA - ROOTFSDATA_START + 1))
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# Comprobaciones básicas
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[ ${ROOTFSDATA_SIZE} -gt 0 ] || { echo "ERROR: No hay espacio para rootfs_data"; exit 1; }
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# Validation
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[ ${ROOTFSDATA_SIZE} -gt 0 ] || { echo "ERROR: No space for rootfs_data"; exit 1; }
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# Crear imagen con el tamaño exacto
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# Create image with exact size
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truncate -s $((TOT_SECTORS * 512)) "${IMG}"
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# Tabla GPT vía heredoc directa a sfdisk
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# Generate GPT table
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sfdisk "${IMG}" <<EOF
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label: gpt
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label-id: DB708ACF-2E04-8DE2-BAFE-30C9B26444C5
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@@ -40,29 +39,28 @@ first-lba: ${FIRST_LBA}
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last-lba: ${LAST_LBA}
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sector-size: 512
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gpt.img1 : start= 4096, size= 2, type=57B90A16-22C9-E33B-8F5D-0E81686A68CB, name="fsc"
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gpt.img2 : start= 4098, size= 3072, type=638FF8E2-22C9-E33B-8F5D-0E81686A68CB, name="fsg"
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gpt.img3 : start= 7170, size= 131072, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, name="modem"
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gpt.img4 : start= 138242, size= 3072, type=EBBEADAF-22C9-E33B-8F5D-0E81686A68CB, name="modemst1"
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gpt.img5 : start= 141314, size= 3072, type=0A288B1F-22C9-E33B-8F5D-0E81686A68CB, name="modemst2"
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gpt.img6 : start= 144386, size= 65536, type=6C95E238-E343-4BA8-B489-8681ED22AD0B, name="persist"
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gpt.img7 : start= 209922, size= 32, type=303E6AC3-AF15-4C54-9E9B-D9A8FBECF401, name="sec"
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gpt.img8 : start= 209954, size= 1024, type=E1A6A689-0C8D-4CC6-B4E8-55A4320FBD8A, name="hyp"
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gpt.img9 : start= 210978, size= 1024, type=098DF793-D712-413D-9D4E-89D711772228, name="rpm"
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gpt.img10 : start= 212002, size= 1024, type=DEA0BA2C-CBDD-4805-B4F9-F428251C3E98, name="sbl1"
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gpt.img11 : start= 213026, size= 2048, type=A053AA7F-40B8-4B1C-BA08-2F68AC71A4F4, name="tz"
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gpt.img12 : start= 215074, size= 2048, type=400FFDCD-22E0-47E7-9A23-F16ED9382388, name="aboot"
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gpt.img13 : start= 217122, size= 131072, type=20117F86-E985-4357-B9EE-374BC1D8487D, name="boot"
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# rootfs 128 MiB fijo
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gpt.img1 : start=4096, size=2, type=57B90A16-22C9-E33B-8F5D-0E81686A68CB, name="fsc"
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gpt.img2 : start=4098, size=3072, type=638FF8E2-22C9-E33B-8F5D-0E81686A68CB, name="fsg"
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gpt.img3 : start=7170, size=131072, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, name="modem"
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gpt.img4 : start=138242, size=3072, type=EBBEADAF-22C9-E33B-8F5D-0E81686A68CB, name="modemst1"
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gpt.img5 : start=141314, size=3072, type=0A288B1F-22C9-E33B-8F5D-0E81686A68CB, name="modemst2"
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gpt.img6 : start=144386, size=65536, type=6C95E238-E343-4BA8-B489-8681ED22AD0B, name="persist"
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gpt.img7 : start=209922, size=32, type=303E6AC3-AF15-4C54-9E9B-D9A8FBECF401, name="sec"
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gpt.img8 : start=209954, size=1024, type=E1A6A689-0C8D-4CC6-B4E8-55A4320FBD8A, name="hyp"
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gpt.img9 : start=210978, size=1024, type=098DF793-D712-413D-9D4E-89D711772228, name="rpm"
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gpt.img10 : start=212002, size=1024, type=DEA0BA2C-CBDD-4805-B4F9-F428251C3E98, name="sbl1"
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gpt.img11 : start=213026, size=2048, type=A053AA7F-40B8-4B1C-BA08-2F68AC71A4F4, name="tz"
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gpt.img12 : start=215074, size=2048, type=400FFDCD-22E0-47E7-9A23-F16ED9382388, name="aboot"
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gpt.img13 : start=217122, size=131072, type=20117F86-E985-4357-B9EE-374BC1D8487D, name="boot"
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gpt.img14 : start=${ROOTFS_START}, size=${ROOTFS_SIZE}, type=1B81E7E6-F50D-419B-A739-2AEEF8DA3335, name="rootfs"
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# rootfs_data consume el resto útil hasta last-lba
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gpt.img15 : start=${ROOTFSDATA_START}, size=${ROOTFSDATA_SIZE}, type=1B81E7E6-F50D-419B-A739-2AEEF8DA3335, name="rootfs_data"
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gpt.img15 : start=${ROOTFSDATA_START}, type=1B81E7E6-F50D-419B-A739-2AEEF8DA3335, name="rootfs_data"
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EOF
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# Construir gpt_both0.bin (primario + entradas + header GPT de respaldo)
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# size=${ROOTFSDATA_SIZE},
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# Build gpt_both0.bin (primary + entries + backup header)
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dd if="${IMG}" of="${OUTFILE}" bs=512 count=34
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dd if="${IMG}" bs=512 skip=2 count=32 >> "${OUTFILE}"
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dd if="${IMG}" bs=512 skip=$((TOT_SECTORS - 1)) count=1 >> "${OUTFILE}"
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echo "OK -> ${OUTFILE}"
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echo "Generated: ${OUTFILE}"
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