From a78c942df64ef4cf495fd4d8715e48501bd7f8a4 Mon Sep 17 00:00:00 2001 From: Chris Metcalf Date: Thu, 14 Oct 2010 16:23:03 -0400 Subject: arch/tile: parameterize system PLs to support KVM port While not a port to KVM (yet), this change modifies the kernel to be able to build either at PL1 or at PL2 with a suitable config switch. Pushing up this change avoids handling branch merge issues going forward with the KVM work. Signed-off-by: Chris Metcalf --- arch/tile/kernel/irq.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'arch/tile/kernel/irq.c') diff --git a/arch/tile/kernel/irq.c b/arch/tile/kernel/irq.c index 596c6008693..394d554f21a 100644 --- a/arch/tile/kernel/irq.c +++ b/arch/tile/kernel/irq.c @@ -61,9 +61,9 @@ static DEFINE_SPINLOCK(available_irqs_lock); #if CHIP_HAS_IPI() /* Use SPRs to manipulate device interrupts. */ -#define mask_irqs(irq_mask) __insn_mtspr(SPR_IPI_MASK_SET_1, irq_mask) -#define unmask_irqs(irq_mask) __insn_mtspr(SPR_IPI_MASK_RESET_1, irq_mask) -#define clear_irqs(irq_mask) __insn_mtspr(SPR_IPI_EVENT_RESET_1, irq_mask) +#define mask_irqs(irq_mask) __insn_mtspr(SPR_IPI_MASK_SET_K, irq_mask) +#define unmask_irqs(irq_mask) __insn_mtspr(SPR_IPI_MASK_RESET_K, irq_mask) +#define clear_irqs(irq_mask) __insn_mtspr(SPR_IPI_EVENT_RESET_K, irq_mask) #else /* Use HV to manipulate device interrupts. */ #define mask_irqs(irq_mask) hv_disable_intr(irq_mask) @@ -89,16 +89,16 @@ void tile_dev_intr(struct pt_regs *regs, int intnum) * masked by a previous interrupt. Then, mask out the ones * we're going to handle. */ - unsigned long masked = __insn_mfspr(SPR_IPI_MASK_1); - original_irqs = __insn_mfspr(SPR_IPI_EVENT_1) & ~masked; - __insn_mtspr(SPR_IPI_MASK_SET_1, original_irqs); + unsigned long masked = __insn_mfspr(SPR_IPI_MASK_K); + original_irqs = __insn_mfspr(SPR_IPI_EVENT_K) & ~masked; + __insn_mtspr(SPR_IPI_MASK_SET_K, original_irqs); #else /* * Hypervisor performs the equivalent of the Gx code above and * then puts the pending interrupt mask into a system save reg * for us to find. */ - original_irqs = __insn_mfspr(SPR_SYSTEM_SAVE_1_3); + original_irqs = __insn_mfspr(SPR_SYSTEM_SAVE_K_3); #endif remaining_irqs = original_irqs; @@ -225,7 +225,7 @@ void __cpuinit setup_irq_regs(void) /* Enable interrupt delivery. */ unmask_irqs(~0UL); #if CHIP_HAS_IPI() - raw_local_irq_unmask(INT_IPI_1); + raw_local_irq_unmask(INT_IPI_K); #endif } -- cgit v1.2.3-70-g09d2