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firmware: Ensure the mtvec is updated.

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Signed-off-by: Atish Patra <atish.patra@wdc.com>
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Atish Patra
2019-02-27 11:08:26 -08:00
committed by Anup Patel
parent 754ff34108
commit d4dd2b37f3
1 changed files with 5 additions and 0 deletions
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5
firmware/fw_base.S
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@@ -184,6 +184,11 @@ _start_warm:
/* Setup trap handler */ /* Setup trap handler */
la a4, _trap_handler la a4, _trap_handler
csrw CSR_MTVEC, a4 csrw CSR_MTVEC, a4
/* Make sure that mtvec is updated */
1:
csrr a5, CSR_MTVEC
bne a4, a5, 1b
/* Initialize SBI runtime */ /* Initialize SBI runtime */
csrr a0, CSR_MSCRATCH csrr a0, CSR_MSCRATCH