Timur Tabi bd497fc978 powerpc: introduce ePAPR embedded hypervisor hcall interface ... ePAPR hypervisors provide operating system services via a "hypercall" interface. The following steps need to be performed to make an hcall: 1. Load r11 with the hcall number 2. Load specific other registers with parameters 3. Issue instrucion "sc 1" 4. The return code is in r3 5. Other returned parameters are in other registers. To provide this service to the kernel, these steps are wrapped in inline assembly functions. Standard ePAPR hcalls are in epapr_hcalls.h, and Freescale extensions are in fsl_hcalls.h. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>		2011-06-27 08:30:19 -05:00
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asm	powerpc: introduce ePAPR embedded hypervisor hcall interface	2011-06-27 08:30:19 -05:00