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authorOliver O'Halloran <oohall@gmail.com>2019-10-11 15:27:41 +1100
committerOliver O'Halloran <oohall@gmail.com>2019-10-14 10:51:42 +1100
commita4e0f636ea8c179d68c14d96ca36e165406a452e (patch)
tree0c2a1bf5389411ee2bba4c1d0592f0e4b64e3db5 /skiboot.lds.S
parent1785745d5a7eaefd7d0c135f2a3b0f5d86aefec5 (diff)
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core/init: Don't checksum MPIPL data areas
Right now the romem checksum runs from _start until the start of our data area. This spans the area used for the MPIPL data structures since they're included in the SPIRA-H data area. Reviewed-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com> Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Diffstat (limited to 'skiboot.lds.S')
-rw-r--r--skiboot.lds.S9
1 files changed, 9 insertions, 0 deletions
diff --git a/skiboot.lds.S b/skiboot.lds.S
index 8890d69..32139b2 100644
--- a/skiboot.lds.S
+++ b/skiboot.lds.S
@@ -69,6 +69,13 @@ SECTIONS
KEEP(*(.spirah.data))
}
+ _head_end = .;
+
+ /*
+ * The following sections are read-write at runtime. We need
+ * to skip over them when checksumming the skiboot images
+ * before a fast-reboot.
+ */
. = PROC_DUMP_AREA_OFF;
.procdump : {
KEEP(*(.procdump.data))
@@ -94,6 +101,8 @@ SECTIONS
KEEP(*(.cpuctrl.data))
}
+ /* ...and back to RO */
+
. = ALIGN(0x10);
_stext = .;
.text : {