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author | Michael Ellerman <mpe@ellerman.id.au> | 2021-09-01 09:06:17 +1000 |
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committer | Vasant Hegde <hegdevasant@linux.vnet.ibm.com> | 2021-09-09 12:49:23 +0530 |
commit | 0b3276fede4dee03c5e8b27281d92cef503475aa (patch) | |
tree | 1c582f6560d4ed1e937d6bd9af1f5ad1382c9d6b | |
parent | 6352fa85e23f3c620544edcb3feb971d3babd746 (diff) | |
download | skiboot-0b3276fede4dee03c5e8b27281d92cef503475aa.zip skiboot-0b3276fede4dee03c5e8b27281d92cef503475aa.tar.gz skiboot-0b3276fede4dee03c5e8b27281d92cef503475aa.tar.bz2 |
external/mambo: Print more info when the kernel is too big
Make it a bit easier to boot large kernels by printing more info when
the kernel is too big, so the user has some idea how much they need to
adjust PAYLOAD_ADDR by.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
-rw-r--r-- | external/mambo/skiboot.tcl | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/external/mambo/skiboot.tcl b/external/mambo/skiboot.tcl index 0ecb55a..91617b7 100644 --- a/external/mambo/skiboot.tcl +++ b/external/mambo/skiboot.tcl @@ -705,8 +705,10 @@ mysim memory fread $mconf(boot_load) $boot_size $mconf(boot_image) set payload_size [file size $mconf(payload)] mysim memory fread $mconf(payload_addr) $payload_size $mconf(payload) -if { $payload_size > [expr $mconf(boot_load) - $mconf(payload_addr)] } { - error "vmlinux is too large, consider adjusting PAYLOAD_ADDR" +set available_space [expr $mconf(boot_load) - $mconf(payload_addr)] +if { $payload_size > $available_space } { + set overflow [expr $payload_size - $available_space] + error "vmlinux is too large by $overflow bytes ($payload_size > $available_space), consider adjusting PAYLOAD_ADDR" } # Flatten it |