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cadc0f2513
The message will indicate the reset is caused by which program address
of jump and link instruction.
BRANCH=None
BUG=b:79706847
TEST=No error message under these tests: cold reset, soft reset,
and sysjump.
On bip, declare ".get_cc = NULL" for it83xx tcpm driver. And get
the following message.
log:
--- UART initialized after reboot ---
[Reset cause: unknown]
...
===Unknown reset! jump from f824 or f826===
[0.004504 low power idle task started]
...
Disassembly:
0000f814 <tcpm_get_cc>:
f814: fc 00 push25 $r6, #0 ! {$r6, $fp, $gp, $lp}
f816: 46 30 00 17 sethi $r3, #0x17
f81a: 58 31 8a cc ori $r3, $r3, #0xacc
f81e: 95 04 slli333 $r4, $r0, #4
f820: 88 64 add45 $r3, $r4
f822: a0 da lwi333 $r3, [$r3 + #8]
f824: a0 da lwi333 $r3, [$r3 + #8]
f826: dd 23 jral5 $r3
f828: fc 80 pop25 $r6, #0 ! {$r6, $fp, $gp, $lp}
Change-Id: I2eaf2ad95eb92c68ce6f8240ea6ec90ac2b4a5c9
Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
Reviewed-on: https://chromium-review.googlesource.com/1070387
Reviewed-by: Jett Rink <jettrink@chromium.org>