[PATCH 29/31] scripts: k3img: make dmdata optional
Sascha Hauer
s.hauer at pengutronix.de
Wed May 28 04:45:41 PDT 2025
dmdata will not be needed for AM62L support, so make it optional.
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
scripts/k3img | 39 +++++++++++++++++++++++++--------------
1 file changed, 25 insertions(+), 14 deletions(-)
diff --git a/scripts/k3img b/scripts/k3img
index a9f7e513723b251c3605e81a97093e23850a8f4d..2cb2a6b33bbdf6bcf2dedcd067dcc2ffd2d17d04 100755
--- a/scripts/k3img
+++ b/scripts/k3img
@@ -68,14 +68,12 @@ done
shasbl=$(sha512sum $sbl | sed 's/ .*//')
shasysfw=$(sha512sum $sysfw | sed 's/ .*//')
shasysfwdata=$(sha512sum $sysfwdata | sed 's/ .*//')
-shadmdata=$(sha512sum $dmdata | sed 's/ .*//')
sblsize=$(stat -c%s $sbl)
sysfwsize=$(stat -c%s $sysfw)
sysfwdatasize=$(stat -c%s $sysfwdata)
-dmdatasize=$(stat -c%s $dmdata)
-total=$(($sblsize + $sysfwsize + $sysfwdatasize + $dmdatasize))
+total=$(($sblsize + $sysfwsize + $sysfwdatasize))
TMPDIR="$(mktemp -d)"
trap 'rm -rf -- "$TMPDIR"' EXIT
@@ -83,7 +81,7 @@ trap 'rm -rf -- "$TMPDIR"' EXIT
certcfg=${TMPDIR}/certcfg
cert=${TMPDIR}/cert
-num_comp=4
+num_comp=3
if [ -n "${innerdata}" ]; then
shainnerdata=$(sha512sum $innerdata | sed 's/ .*//')
@@ -100,12 +98,32 @@ shaType = OID:2.16.840.1.101.3.4.2.3
shaValue = FORMAT:HEX,OCT:$shainnerdata
EOF
)
-
num_comp=$((num_comp + 1))
total=$((total + innerdatasize))
sysfw_inner_cert="sysfw_inner_cert=SEQUENCE:sysfw_inner_cert"
fi
+if [ -n "${dmdata}" ]; then
+ shadmdata=$(sha512sum $dmdata | sed 's/ .*//')
+ dmdatasize=$(stat -c%s $dmdata)
+
+ dmdata_sect=$(cat <<EOF
+[dm_data]
+compType = INTEGER:17
+bootCore = INTEGER:16
+compOpts = INTEGER:0
+destAddr = FORMAT:HEX,OCT:$dmdata_addr
+compSize = INTEGER:$dmdatasize
+shaType = OID:2.16.840.1.101.3.4.2.3
+shaValue = FORMAT:HEX,OCT:$shadmdata
+EOF
+)
+
+ num_comp=$((num_comp + 1))
+ total=$((total + dmdatasize))
+ dm_data="dm_data=SEQUENCE:dm_data"
+fi
+
cat > $certcfg <<EndOfHereDocument
[ req ]
distinguished_name = req_distinguished_name
@@ -138,7 +156,7 @@ sbl=SEQUENCE:sbl
sysfw=SEQUENCE:sysfw
sysfw_data=SEQUENCE:sysfw_data
$sysfw_inner_cert
-dm_data=SEQUENCE:dm_data
+$dm_data
[sbl]
compType = INTEGER:1
@@ -175,14 +193,7 @@ coreDbgSecEn = INTEGER:0
$innercert
-[dm_data]
-compType = INTEGER:17
-bootCore = INTEGER:16
-compOpts = INTEGER:0
-destAddr = FORMAT:HEX,OCT:$dmdata_addr
-compSize = INTEGER:$dmdatasize
-shaType = OID:2.16.840.1.101.3.4.2.3
-shaValue = FORMAT:HEX,OCT:$shadmdata
+$dmdata_sect
EndOfHereDocument
--
2.39.5
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