2 * Copyright (C) 2010 Andreas Tobler
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6 * modification, are permitted provided that the following conditions
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27 #include <machine/asm.h>
29 /* Hypervisor entry call. */
30 #define hc .long 0x44000022
33 * Simple HV calls take the same arguments, with the same ABI, as this
39 #if defined(_CALL_ELF) && _CALL_ELF == 2
40 ld %r11,96(%r1) /* Last couple args into volatile regs*/
43 ld %r11,112(%r1) /* Last couple args into volatile regs*/
46 hc /* invoke the hypervisor */
49 blr /* return r3 = status */
53 * PFT HV calls take a special ABI (see PAPR 14.5.4.1)
55 * r3-r7 arguments passed unchanged, r8-r10 are addresses of return values
56 * HV takes the same r3-r7, but returns values in r3, r4-r6
58 ASENTRY(phyp_pft_hcall)
62 std %r8,48(%r1) /* save arguments */
65 hc /* invoke the hypervisor */
66 ld %r11,48(%r1) /* store results */
72 ld %r1,0(%r1) /* exit */
75 blr /* return r3 = status */