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/*
* Copyright 2010-2011 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*/
#ifndef ASM_KVM_BOOKE_HV_ASM_H
#define ASM_KVM_BOOKE_HV_ASM_H
#ifdef __ASSEMBLY__
/*
* All exceptions from guest state must go through KVM
* (except for those which are delivered directly to the guest) --
* there are no exceptions for which we fall through directly to
* the normal host handler.
*
* Expected inputs (normal exceptions):
* SCRATCH0 = saved r10
* r10 = thread struct
* r11 = appropriate SRR1 variant (currently used as scratch)
* r13 = saved CR
* *(r10 + THREAD_NORMSAVE(0)) = saved r11
* *(r10 + THREAD_NORMSAVE(2)) = saved r13
*
* Expected inputs (crit/mcheck/debug exceptions):
* appropriate SCRATCH = saved r8
* r8 = exception level stack frame
* r9 = *(r8 + _CCR) = saved CR
* r11 = appropriate SRR1 variant (currently used as scratch)
* *(r8 + GPR9) = saved r9
* *(r8 + GPR10) = saved r10 (r10 not yet clobbered)
* *(r8 + GPR11) = saved r11
*/
.macro DO_KVM intno srr1
#ifdef CONFIG_KVM_BOOKE_HV
BEGIN_FTR_SECTION
mtocrf 0x80, r11 /* check MSR[GS] without clobbering reg */
bf 3, kvmppc_resume_\intno\()_\srr1
b kvmppc_handler_\intno\()_\srr1
kvmppc_resume_\intno\()_\srr1:
END_FTR_SECTION_IFSET(CPU_FTR_EMB_HV)
#endif
.endm
#endif /*__ASSEMBLY__ */
#endif /* ASM_KVM_BOOKE_HV_ASM_H */
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