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 ---
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
/*