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.a...@aisec.fraunhofer.de>
---
Changes in v3:
- New patch to hang if relocation of secondary harts fails
Changes in v2: None
arch/riscv/cpu/start.S | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/cpu/start.S b/arch/riscv/cpu/start.S
index 5ac899b141..a4433fbd6b 100644
--- a/arch/riscv/cpu/start.S
+++ b/arch/riscv/cpu/start.S
@@ -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
/*
--
2.20.1
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