| /* SPDX-License-Identifier: GPL-2.0 */ |
| #include <asm/asm-offsets.h> |
| #include <asm/asm.h> |
| #include <asm/frame.h> |
| #include <asm/unwind_hints.h> |
| |
| #include <linux/linkage.h> |
| #include <linux/bits.h> |
| #include <linux/errno.h> |
| |
| .macro PKVM_MODULE_CALL |
| /* Save the output parameter. */ |
| push %r12 |
| |
| /* Push output pointer to stack. */ |
| push %rsi |
| |
| mov %rdi, %rax |
| |
| vmcall |
| |
| pop %r12 |
| |
| test %r12, %r12 |
| jz .Lno_output_struct |
| |
| /* Copy result registers to output struct. */ |
| movq %rcx, 0(%r12) |
| movq %rdx, 8(%r12) |
| movq %r8, 16(%r12) |
| movq %r9, 24(%r12) |
| |
| .Lno_output_struct: |
| pop %r12 |
| .endm |
| |
| SYM_FUNC_START(__pkvm_module_call) |
| FRAME_BEGIN |
| PKVM_MODULE_CALL |
| FRAME_END |
| RET |
| SYM_FUNC_END(__pkvm_module_call) |
