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Commit 0c51ed93 authored Mar 13, 2006 by David S. Miller

[SPARC64]: First cut at VIS simulator for Niagara.



Niagara does not implement some of the VIS instructions in
hardware, so we have to emulate them.

Signed-off-by: David S. Miller <davem@davemloft.net>

parent 90a6646b

arch/sparc64/kernel/Makefile

+2 −1

Original line number	Original line	Diff line number	Diff line
	@@ -11,7 +11,8 @@ obj-y := process.o setup.o cpu.o idprom.o \
	traps.o devices.o auxio.o una_asm.o \		traps.o devices.o auxio.o una_asm.o \
	irq.o ptrace.o time.o sys_sparc.o signal.o \		irq.o ptrace.o time.o sys_sparc.o signal.o \
	unaligned.o central.o pci.o starfire.o semaphore.o \		unaligned.o central.o pci.o starfire.o semaphore.o \
	power.o sbus.o iommu_common.o sparc64_ksyms.o chmc.o		power.o sbus.o iommu_common.o sparc64_ksyms.o chmc.o \
			visemul.o

	obj-$(CONFIG_PCI) += ebus.o isa.o pci_common.o pci_iommu.o \		obj-$(CONFIG_PCI) += ebus.o isa.o pci_common.o pci_iommu.o \
	pci_psycho.o pci_sabre.o pci_schizo.o \		pci_psycho.o pci_sabre.o pci_schizo.o \

arch/sparc64/kernel/traps.c

+5 −0

Original line number	Original line	Diff line number	Diff line
	@@ -2273,6 +2273,11 @@ void do_illegal_instruction(struct pt_regs *regs)
	} else if ((insn & 0xc1580000) == 0xc1100000) /* LDQ/STQ */ {		} else if ((insn & 0xc1580000) == 0xc1100000) /* LDQ/STQ */ {
	if (handle_ldf_stq(insn, regs))		if (handle_ldf_stq(insn, regs))
	return;		return;
			} else if (tlb_type == hypervisor) {
			extern int vis_emul(struct pt_regs *, unsigned int);

			if (!vis_emul(regs, insn))
			return;
	}		}
	}		}
	info.si_signo = SIGILL;		info.si_signo = SIGILL;

arch/sparc64/kernel/visemul.c

0 → 100644

+894 −0

File added.

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