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riscv: hang if relocation of secondary harts fails

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Print an error message and hang if smp_call_function() returns an error,
indicating that relocation of the secondary harts has failed.

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Lukas Auer 2019-03-17 19:28:40 +01:00 committed by Andes
parent e043240252
commit 8ac39e2974
1 changed files with 12 additions and 1 deletions
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13
arch/riscv/cpu/start.S
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@ -33,6 +33,10 @@
#define SYM_SIZE 0x18
#endif
.section .data
secondary_harts_relocation_error:
.ascii "Relocation of secondary harts has failed, error %d\n"
.section .text
.globl _start
_start:
@ -274,8 +278,15 @@ relocate_secondary_harts:
mv a2, s3
jal smp_call_function
/* hang if relocation of secondary harts has failed */
beqz a0, 1f
mv a1, a0
la a0, secondary_harts_relocation_error
jal printf
jal hang
/* restore relocation offset */
mv t6, s5
1: mv t6, s5
#endif
/*