diff options
Diffstat (limited to 'arch/sparc/kernel/entry.S')
| -rw-r--r-- | arch/sparc/kernel/entry.S | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index f41ecc5ac0b4..ec9c7bc67d21 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -400,6 +400,39 @@ linux_trap_ipi15_sun4d: /* FIXME */ 1: b,a 1b +#ifdef CONFIG_SPARC_LEON + + .globl smpleon_ticker + /* SMP per-cpu ticker interrupts are handled specially. */ +smpleon_ticker: + SAVE_ALL + or %l0, PSR_PIL, %g2 + wr %g2, 0x0, %psr + WRITE_PAUSE + wr %g2, PSR_ET, %psr + WRITE_PAUSE + call leon_percpu_timer_interrupt + add %sp, STACKFRAME_SZ, %o0 + wr %l0, PSR_ET, %psr + WRITE_PAUSE + RESTORE_ALL + + .align 4 + .globl linux_trap_ipi15_leon +linux_trap_ipi15_leon: + SAVE_ALL + or %l0, PSR_PIL, %l4 + wr %l4, 0x0, %psr + WRITE_PAUSE + wr %l4, PSR_ET, %psr + WRITE_PAUSE + call leon_cross_call_irq + nop + b ret_trap_lockless_ipi + clr %l6 + +#endif /* CONFIG_SPARC_LEON */ + #endif /* CONFIG_SMP */ /* This routine handles illegal instructions and privileged |