From 1820a8d2163554dcd0272cc095338499db4a4dc3 Mon Sep 17 00:00:00 2001 From: Bharat Bhushan Date: Tue, 8 Oct 2013 09:32:19 +0530 Subject: kvm/powerpc: rename kvm_hypercall() to epapr_hypercall() kvm_hypercall() have nothing KVM specific, so renamed to epapr_hypercall(). Also this in moved to arch/powerpc/include/asm/epapr_hcalls.h Signed-off-by: Bharat Bhushan Signed-off-by: Alexander Graf --- arch/powerpc/include/asm/epapr_hcalls.h | 46 +++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) (limited to 'arch/powerpc/include/asm/epapr_hcalls.h') diff --git a/arch/powerpc/include/asm/epapr_hcalls.h b/arch/powerpc/include/asm/epapr_hcalls.h index 86b0ac79990c..eec87f9494bc 100644 --- a/arch/powerpc/include/asm/epapr_hcalls.h +++ b/arch/powerpc/include/asm/epapr_hcalls.h @@ -460,5 +460,51 @@ static inline unsigned int ev_idle(void) return r3; } + +#ifdef CONFIG_EPAPR_PARAVIRT +static inline unsigned long epapr_hypercall(unsigned long *in, + unsigned long *out, + unsigned long nr) +{ + unsigned long register r0 asm("r0"); + unsigned long register r3 asm("r3") = in[0]; + unsigned long register r4 asm("r4") = in[1]; + unsigned long register r5 asm("r5") = in[2]; + unsigned long register r6 asm("r6") = in[3]; + unsigned long register r7 asm("r7") = in[4]; + unsigned long register r8 asm("r8") = in[5]; + unsigned long register r9 asm("r9") = in[6]; + unsigned long register r10 asm("r10") = in[7]; + unsigned long register r11 asm("r11") = nr; + unsigned long register r12 asm("r12"); + + asm volatile("bl epapr_hypercall_start" + : "=r"(r0), "=r"(r3), "=r"(r4), "=r"(r5), "=r"(r6), + "=r"(r7), "=r"(r8), "=r"(r9), "=r"(r10), "=r"(r11), + "=r"(r12) + : "r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7), "r"(r8), + "r"(r9), "r"(r10), "r"(r11) + : "memory", "cc", "xer", "ctr", "lr"); + + out[0] = r4; + out[1] = r5; + out[2] = r6; + out[3] = r7; + out[4] = r8; + out[5] = r9; + out[6] = r10; + out[7] = r11; + + return r3; +} +#else +static unsigned long epapr_hypercall(unsigned long *in, + unsigned long *out, + unsigned long nr) +{ + return EV_UNIMPLEMENTED; +} +#endif + #endif /* !__ASSEMBLY__ */ #endif /* _EPAPR_HCALLS_H */ -- cgit v1.2.3